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I see these being *perfect* spare tires. Never worrying about checking the pressure in it, and how strong it can be at a light weight, taking up a slightly smaller area in a boot.
I had the chance for a tour of a tyre factory about 20 years ago - I’ve never complained about tyre prices since, they are frankly amazing for all their faults.
@@Matts42039 because I am from the UK and that is how we spell tyre - personally I think tire looks ugly and I tire of it😂. No offence to our American neighbours across the pond by tyre is more colourful. (The u’s are added as we spell those words with them - I am adding to the bad joke of this) - Edit not sure why you name is appearing in the middle- not doing as I write it.
Complete clickbait. It’s just an informative video where the closest thing to an opinion on the airless tires is “we’ll see how they do”. The main question posed in the title is never answered, you never explained why they “kinda suck”.
I knew a man who worked for Armstrong Tires back in the early 1970's. While there he worked on a project to make tires that would never go flat using closed cell foam in place of air in the tire. When they were ready to Beta test the tires they selected a group of tire users who were particularly hard on tires, log truck operators. And a bunch of truck operators bought them with the guarantee that they would never go flat. The only problem was that even though the tires wouldn't go flat, the tread still had to be made of a compound soft enough to grip the road, so the tread would eventually wear out and the tire would have to be replaced. When the tires began to wear out the truck operators got mad and demanded a refund or threatened law suits because they thought "won't go flat" was the same as "lasts forever." And that's why every few years one tire company or another announces they have perfected tires that won't go flat but they never ever come on the market. They always find out that far too many people will equate "won't go flat" with "lasts forever" and either get mad when they wear out, or worse, drive them far past the point of being safe and then sue the tire company for the inevitable accident they have.
What no one seems to mention with these new concept design of airless tires is, what happens when debris get trapped in the spokes of the tires themselves? This would result in the tire being unbalanced and would be a major problem. Perhaps a thin wall of rubber covering the spokes is what would be needed for a consumer version of these tires, and all the concepts are open design to showcase the difference between these and regular air filled tires.
But if you think about it, it would be impossible to injection mold the tires with the spokes covered, they would need to be added separately, but then there is another problem: when you hit a curb with your wheel, it might rip off that layer covering the spokes It is very hard to cover those easily and reliably, no current airless tires have their spokes covered, not at NASA, not in army prototypes, not on electric scooters
@@harambe7221 Yes even slight imbalance in wheels will cause vibration and accelerate tire wear especially at high speed. Thats why tire shops will balance your wheel after installing new tires
What seems to be a better option here is a hybrid tire. An air-filled tire with enough of these "spokes" inside to make them safe to drive on in case of a blowout, since the primary goal here is to reduce fatalities from high speed blow outs and also provide the ability to get to a shop and not be stranded with a flat. Hopefully such a tire would perform mostly like a normal air-filled tire, but simply have enhanced safety and reliability.
Funny thing is, the French president had an attempt made on his life while driving in a Citroen DS, and that car's unique hydropneumatic suspension is supposedly what allowed his driver to take him off to safety despite all four tires having been shot out by the would-be assasins!
@@spedenko765 As someone who easily does 1000 miles in a week, to me it would absolutely be worth whatever cost. Of course I don't pay that cost as I drive a company vehicle, but still...the safety would be worth it to a company.
Well, the normal tires have close to a centuries worth of innovation and maturity, so these airless one have a lot of catching up to do, but the potential benefits are there. I guess it's more likely that some kind of hybrid will get more popular if it ever comes out, but it would be nice to have less waste with longer lasting tires, even if it means making a few concessions on the performance side.
So true……tire engineering is built on multiple decades of amassed knowledge. These people aren’t showing up to work everyday to “re-invent the wheel”. At this point, if they make a very small, incremental improvement over the previous version, that means a successful year.
I think the reality is that most people don’t care about performance that much. Yes, it adds to safety of course, but I’m sure most drivers would prefer to reduce their expenditures on tires and such than having more grip and stuff
@@pavelshevchenko4848 lived in a totally broke family, my dad never cheaped out on the tires. It's a good way to lose your entire family not paying attention to grip and safety.
I was thinking the same thing but, there may be reasons this isn't done. I would assume all the compression needs to happen at the air tire part and the outer airless part needs to be rigid in order to actually gain the protective benefits this design aims for. This just doesn't sound like a great design though because it adds too many cpmplex systems and gets the flaws from both while also potentially introducing its own unique flaws and doesn't fix much in exchange.
My real concern is their performance on motorcycles. A big part of the reason we use air tires is because of the sidewall allowing for the lean, but it looks like these would compress too much, or have little to no grip as you lean on the bike.
@@whodat4265 nah deadass he rly did say "perpendicular", either he's joking fr or he's planning on gyroscopes in motorcycles, which ngl would be pretty poggers my dude
The thing that makes me turn down this technology is that pneumatic tires distributes the load evenly thorough the enire wheel because it's the air pressure inside the tire that transfers the load. With these aiirless type of tires no matter how efficient the support structure might be the force on the wheel will always be localized to the area where the tire meets the floor, this reduces the wheel's life dramatically. The best use for this thechnology is to merge both into one, having pneumatic tires with a mild supporting structure inside. Since now tire valves are equipped with pressure sensors you can get a tire popped but not end up stranded inmediately because the tire still works, albeit limited, with the sensor warning you of the tire failure so you can get it fixed or replaced.
Not an issue if they last long enough. They aren't meant to last forever. Just as long as a normal tire probably. If they do that, with similar performance, and aren't susceptible to going flat, then it's a win regardless.
I'm surprised he didn't mention force transfer across the tire in pneumatic tires. Doesn't seem to know what he's talking about. Also, sensorless tires are gonna be the thing soon. They detect flats by the difference in rotational speeds. A lot of cars are already doing it.
The title is misleading. From the video, it seems the jury is still out on how these perform. In fact, at 8:00, he said they could offer the best of both world, good traction and precise steering. Eliminating the risk of high speed blowout is a huge benefit, not just for cars and motorcycles, but also bikes I'm a cyclist, had a blowout this summer that could've killed me. It's early still, but I'm excited to see where these are going.
Bryce, I think motorcycle tyres need to be quite different. A car tyre has flat profile while a motorcycle tyre has a round profile, so that when you lean in a corner the tyre still has similar contact patch and similar grip, and that also means different kinds of deformations compared to a car tyre.
There are airless tires available for bicycles now, and they do suck, quite badly. Yes, they never go flat, but the ride and handling is garbage. One thing not mentioned here is that the entire volume of air in the tire functions to absorb every shock, because the entire volume is compressed in that instant. An airless tire only uses the volume of tire directly in line between the hub and contact patch to absorb a shock. That means the shock absorbing ability of those spokes needs to be many many times greater than the same volume of air.
I've seen some lawnmowers that use airless tires, lets the lawn crew get over curbs very easily without it being a jarring transition. It was very neat.
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. For God did not send his Son into the world to condemn the world, but to save the world through him. John 3:16, 17
Well, it doesn't look like youll get one anytime soon IMO. I think with the problem of load spreading... Trapped Debris and also fatigue and splitting of the rubberised spokes after time, were all going to be better off putting up with the occasional puncture...
I hit 140 mph on a semi regular basis - up to no good on the free way 👀. Still I think airless tires are cool and want to see where the technology goes. The fact that they are spikestrip proof is a huge selling point
@@ant7699 As far as i know only concept tires dont have side panels. Once and mostly IF they ever get to market, it has been confirmed, that it will have the sides covered, so nothing can really get stuck in there.
This Michelin effort has been in progress for a lot longer than 10 years. I was an engineer by trade, before retiring 20 years ago. I was involved in producing industrial tire yarns, used in the manufacture of pneumatic tires, and we were aware of Michelin's program about 30 years ago, since it threatened our business. I also once attended a conference on the design and development of pneumatic tires, and came away highly impressed with the level of sophisticated engineering. Tires are one of the most highly engineered and evolved composites in modern industry. It will be a real challenge to improve on at, while maintaining the level of performance and low cost. I don't expect it to happen very soon..
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. For God did not send his Son into the world to condemn the world, but to save the world through him. John 3:16, 17
To be fair, they don't need to exactly "maintain the level of performance and low cost", they need to be better for the scenario you're buying for, and that "can't be popped" factor can compensate a lot! I expect them to show up in the off-road tire market first, since changing tires in the mud is a royal pain in the ass, and well worth the money to avoid
LOW COST WHAT THE F LOW COST IS BS PER TIRE SAY A 100 $ TIRE COSTS TOPS 15BUCKS DELIVERED TO THE POINT OF SALE X a billion Tire's an huh low cost my ass
The tweel has found a good use on commercial mowing equipment. They don't go flat and traction is far less of an issue on relatively slow moving mowers. I don't see them overtaking pneumatic tires anytime soon.
I suspect the commercial version would have a sidewall to protect the spokes. These open versions look like show pieces intended to show off how they work. Aside from debris entering the gaps and causing trouble, I suspect the airflow past these gaps would create a ton of noise at speed.
I remember reading about these in popular mechanics 20 years ago, they were saying they should be on the market by 2010. At this point I feel like it's never going to happen
Oh hey, remember the flying cars of the 70’s? LOL, many of the things that were supposed to be out 50 years ago are still in beta tests today, having gone through 3-30 different companies all who probably had to abandon projects because of patents from other companies.
That's because companies like Michelin don't give a shit. It's going to take another Tesla, bulldozing its way through the morass of knuckle-dragging fossils.
I actually saw these on a small excavator . Makes perfect sense that it would work well for huge high weight low speed construction applications. You don't have to wory about stuff gettibg stuck in the spokes at 5 mph and it carries large weight better than a typical hige thick construction tire.
I worked with an army prototype equipment carrier; used to integrate into infantry platoons, and they used these tires. Now they only weighed about 700lbs but driving then though forest/swamp and then 25mph on road I never had an issue with them.
@@MrPLC999 heat management is very... complicated and the lateral g forces would probably obliterate the tyres. Also Setup is more complicated because you have no pressure to adjust.
Airless tires are awesome, had the privilege of driving a truck with them except the set i drove on had side walls. There was no over excessive roll and the drive was really smooth.
my main point of thought is tyre pressures. with a standard tyre you fill or empty it depending on temperature AND how much weight it is loaded with. if you have no air you cant control how stiff the tyres are. if you have a small hatchback it could be like riding on concrete wheels but if you have an suv towing a trailer you could be riding on your hubs with the tyres fully compressed. I'm interested to see how they manage this!
@@bongocat5223 that would certainly be one way of doing it but I think it would be unlikely that people would buy another set of the correct weight wheels just for when they go somewhere with a loaded up car. there was a point in the video though where they re-treaded the tyres while they were on the car. perhaps you have a roll on tyre change station that weighs the car and fits the right wheels for you so you don't need 2 or 3 sets of wheels and have to change them yourself.
Im sure while Michelin are researching about a new tyre they have taken this into account. Maybe that's where a lot of the issue comes from? My best guess is they'll develop the spokes between the wheel and tyre to resist more weight as and when it is added, so the more weight it detects, or the more load it comes under the stiffer the spokes become to compensate. No idea how they'd do that, but that's my best guess for how they'd get round it. Either that or they sell the tyres with much lower load ratings.
@@crisrose9707 they could also create progressive tyres, so the harder you crush them the stronger they resist. The technology exists and that would sort the issues above
Progressive sounds nice but for ofroad use it's not about being Progressive but about being able to adapt your pressure to the terrain and the situation. They would also have to be closed tyres and not these open spokes. The open spokes would be terrible for offroad driving in muddy conditions.
so, living in Canada, any month with an "r" in it could experience snow. Driving through snow on airless tires will undoubtedly cause some snow to accumulate inside the tire. when driving, tires tend to warm up so once there is snow accumulating inside the tire and the car stops, the snow will likely start melting and because the ambient temperature is freezing. the melting snow will also freeze. How will this affect wheel and tire balance?
I can see the slush getting inside the tire and freezing solid. Perhaps even freezing the tire to the ground if you park when it is warmer and it turns cold at night
consider , the standard "balloon" tyre exerts pressure equally in all directions , air causes the tyre to grip the rim , stopping it peeling off under cornering or "side load" conditions and braking , it also has volume but not "mass" hence the "light"weight, the airless tyre is heavy , has to have mechanical attachment to the rim and has a "dead" feel because of the "unsprung " weight , compressed air has a natural "spring"effect that counters this , plus the grip because of this "pressure"is something the airless will never have
When Michelin introduced the first radial tire, the Michelin X, I tried some on a car that I raced and rallied. They were fantastic in that the grip compared to cross ply tires was phenomenal. But when they lost grip, usually at very high speed in a corner, they lost it in an instant and worse, did not regain grip until the car was nearly stopped, either by my braking or a track limiting barrier. I used them for endurance racing and on my trans-European travels for the tow car. The wear was minimal and the fuel efficiency was fantastic. But as other radials came on the market I switched to some of them. Pirellis didn't wear well but the transition at high slip angles was awesome. Dunlops were the best in the rain but Goodyear performed best overall, provided you buffed half the tread away before fitting. So, what's the point of my diatribe? Just look at how good even the cheapest tires perform today. Michelin pioneered the radial tire and are considered one of the best tire manufacturers today. I'm confident that they will succeed. Eventually. I am sure people will be driving on airless tires in the near future and certainly on heavy vehicles where the benefits are greatest. Buses, trucks, HGVs, etc will use airless first and Ferrari's and Lambo's probably last. But they will use them eventually. I'd put them on my 39,000 lb GVW RV now if I could.
As a cyclist these will be a huge improvement in safety. In a standard car you have the redundancy of four tires on four rims. A bike? One goes out and the rider goes flying 🦐
I work at the high performance Michelin plant (cup 2, pilot super,etc.) and the innovation in tires is crazy. The tweel/uptis tire is made at the same plant I work at. The way they are made would blow your mind.
I've had 6 blowouts, several on the freeway going almost 80mph. It is very hard trying to change a tire when you have speeding cars and trucks flying by. If there are good airless tires available, that can handle high speeds and take turns without getting out of place, I'm all for that.
Replacing these tires along with the rim tells me that each replacement would be a hefty investment. It is unknown if they'd offer a trade in program for worn out tires, because if they don't, they'll end up at the same landfill as the air tires themselves.
@@jaydunbar7538 Video said they'd get sent back to Michelin to get the retread. Sounds expensive to ship these things back to France to be re-worked. There would also be legal barriers to cross, at least there would be in the USA, where retreads on passenger cars have been outlawed for decades.
I'd be worried about the fatigue life of those springs as well as how their spring constants change with temperature (as I would expect them to get a lot softer as the temperature increases).
Glass fibre reinforced plastic parts have shockingly long fatigue lives. They are used as springs, so there is some accumulated field experience. Also, their stiffnesses are pretty much temperature-independent, as long as they are used in terranean conditions, because the glass-fibres are the components providing the stiffness.
Another problem would be the absence of adjustability of cornering stiffness by tire inflation. Tire pressure is very easy to change, thus, constitutes a great tool for car's balance adjustment. Also, a problem would be the weight variance (e.g. from city driving to roadtrips) that requires adjustability of the stiffness. I think that there are a lot of challenges but, the concept is great!
A lot of that adjustability comes from the shock absorbers not just the tires. Nobody i know EVER adjusts them. Worst case you can just use the appropriate tire for your road area
@@melody3741 Of course tire pressure isn't the only tool for balancing the car. Springs, ARB stiffness, roll center, camber, damper's bump and rebound are only a few of the tools used but adjusting the tire pressure is the easiest for a daily driver. Plus the fact that absorbers don't influence the steady state response of the car. Also, don't forget the difference between curb and gross weight.
The only people I know regularly changing pressures for their tires are off roaders (mud/sand/rocks) I’ve never met/heard of anyone regularly changing their tire pressure between city/road trips. You’d be the first.
@@JH-qy7zw Whether you have heard someone do it or not the right thing to do for a car is to vary the pressure according to the car load so that you maintain the right contact patch! Look at your car 's door (usually) and you will see what pressures the manufacturer suggests for each condition.
@@vageliswrc6050 that might be true but I doubt most people are adding or subtracting 1000s of lbs from their car. A few hundred won't make a difference.
I can totally see tires like this becoming the norm on normal road cars in the not too distant future. I can't imagine those at a track though. I can't imagine them to be lighter, stiff or soft enough in the different areas to outperforme regular tires, but who knows. It'll be fun to see the progression over the coming years.
The main problem will be making a material that can handle both vertical and horizontal stress for a very large amount of time. It would be fine if the car was in constant motion but once you leave it in one place for a long period of time the materials will begin to alter form due to the constant stress on that particular area of the tire and it not being equally distributed (like when driving).
It's also the reason why tires need a certain amount of air pressure to come in contact with the ground, anyway. With the market pushing out giant frigates, I'm not sure if these 'Airless Tires' will be good with an extraordinary amount of weight involving trucks and the added loads involving construction and the like! As cool as these new tires are, I'm still iffy about it!
Quite on the contrary, I was really surprised how little impact a flat tire makes to my run-of-the-mill everyday car. I had not even noticed in city traffic that one of my tires had gone flat - a neighboring driver told me through the window at the traffic lights. Granted, on the highway, I would most likely have noticed myself, but at around 30mph on smooth tarmac, I did not! No audible rumble, no tremble in the steering wheel, no pull to one side, nothing. Shows me how well designed all the _other_ components of wheels and suspensions are these days.
bruh we did a balloon race in science class. one kid used old HDD discs with bearings for wheels. one unscrewed immediately and the thing continued perfectly straight and level and came first for distance. the only other components were toothpicks and a piece of cardboard. nothing to do with advanced engineering. your car just becomes a three legged stool instead of a four legged one.
This has been "about to hit the market" for a while. I remember reading about tires like this 10 years ago. Then they showed up on slow moving heavy equipment and skid loaders. Never saw one on a road car, and idk why not.
Hi ..so .you don't know why these airless tires aren't readily available for consumers? Allow me to elaborate on why ....all just my humble opinion here ....All spike strips used by Law Enforcement would then be rendered useless..worldwide..🌐 😱..All criminals would be having a field day , jumping for joy🤸🤸🤸🤸🎊🎉🎊🎁 with these puncture - proof tires 😱😵..maybe not a good thing for society , especially now in this increasingly - berserk world..😵 something to consider .. Does this world really need to help the criminal be more dangerous ?!?🤔😳🤯
@@muhammad4779 Why? Tires wear out through daily use pretty regularly. Not everything is a conspiracy or corporations keeping you down. Sometimes new ideas either aren't that good and get abandoned, or take longer than people thought.
What’s funny is that in France postal trucks are already equipped with these tyres (Michelin is a French company it’s normal that the tyre are tested in France) and I’ve seen them for real on a postal truck.(sorry for the bad English)
I ride an electric unicycle, where changing tires literally involves ripping the ENTIRE unit apart then doing a bicycle-style tire change. I want to see these kinds of puncture-proof tires with that technology.
@@foxxy46213 I'd love a Penny Farthing bicycle to go along with my top hat and waxed mustache (the dandy's best friend), but alas! Penny Farthings are $3000 for a base model.
@Joey Hext I'm going on a year, now. They're an awesome little bit of technology. But like I said, I REALLY wish they had a puncture-proof tire or an easier changing process.
"Black Donuts of Rubber" will be the name of my electro-salsa band and "Good Ol' Air" the name of our first single. Great video. I'd forgotten about those airless tires. Even in electric scooters, with much less demanding work, airless "honeycomb" tires are still second-rate
I remember seeing these tyres in an engineering magazine we used to get at work about 15 years ago branding them the future of tyres. Considering they had working prototypes back then. Considering it’s taken this long to get to this point there’s clearly been a lot of problems with them.
Or mayge they are just too good .... don't punture, last longer, work out cheaper on trade ins.......maybe they dont want to loose profit by providing much better products ??!!
@@stupitdog9686 yes, i think like you. maybe its something like the lightning bulp thing. if you selling too much longer lasting bulbs, you will get a penalty.
@@stupitdog9686 but if they need maintenance and only the company that made them can fix them you create a much better income source cutting out middle men making more profit. Plus gov tax cuts from reducing waste ect. If you think about it it's much better than normal tires.
I've always thought that the problem of the airless rubber tyre / tire was the inability to adjust the pressure /compression according to loading needs, and the inability to increase back the pressure / compression should some of the rubber supports starts failing - you will experience unbalanced tyre rotation and declining pressure/compression until the next tyre/tire change. But the part about heat generation and side gripping are very good points as well. 👍🏻
I see one other potential issue. It all looks great in a clear weather on a clean road. But how about snow mud in late autumnt? How about normal mud on unpaved road? How about sand and gravel? Won't it enter this "tire" from the sides and affect the performance and "squishyness"? That would be my primary concern.
Not necessarily. If the underside surface of the outer tire was convex, centrifugal force would force any debris that entered out the sides as the tire rotates. Also i can see how the sides of the tire spokes could be curved in such a way to prevent crap from entering (in forward motion) but still allowing it to leave (sort of like how those rain shields work allowing you to crack the window in heavy rain without getting the inside of your car soaked).
Your only worry would be large rocks that gets caught in the spines. The mud, snow, sand will bend with the spine and then get spun out via centrifugal force.
To break down why we ACTUALLY are not getting these unpunctual tires....Tire companies thrive off this stuff of you getting holes in your tires. If you completely take out or massively reduce being able to get a puncture or going flat so you can go back to them and buy more tires off them... You take out the profit that the companies make just by you buying tires constantly due to holes way lower than before, hence them losing more money than it's worth for them. Companies DONT want things to last longer that's why things break easily nowdays companies make way more money with this method...It wouldn't be beneficial for them anyways. Even if they marked the tires to a ridiculous amount of cost. Still wouldn't be enough of a profit for them. Companies are greedy they don't want this kind of product to the normal society. If anything this would be an idea for the filthy rich.
As someone who is living in a cold climate, I'm scared of what would happen if you park in a puddle, the puddle freeze, and when you drive off, those spokes are inside a solid block of ice, making one part of the wheel rock hard, with the rest still soft.
To be fair, I don't think winter versions will be the first versions released, you got some unique challenges besides that, like how you have to manage heat differently because the compound is designed for a different temperature range.
Not to mention slush collecting between the vanes...subject to freezing rock hard, leaving tires grossly unbalanced...same problem in muddy roads, every look at mud running FWD under carriages, wheel wells, etc.
One of the problems with this design is what happens when mud, gravel, ice gets into the air space on these tires. They need to have a sealed solid rubber outer framework running at local atmospheric pressure
My thinking is also that gravel getting into the flexing spokes would mean a rather quick deterioration as they grind up the spokes with every revolution of the wheel.. But then testing ought to reveal if that is indeed a problem, and maybe there are solutions to prevent or mitigate it.
Surprised the issue of balancing wasn't brought up. This is one of the primary issues that drives up cost to the point of not being viable. The conditions these kind of tires are used today don't need balancing.
I thought about also encasing the sides of these tires, so there would be a possibility of having these rubber structures and air inside the same tire, in case the tire gets punctured, the tire won’t be completely useless since the pressure would just go to the rubber structures inside
I've seen these actually catch on in industrial settings quicker than consumer vehicles. they're getting quite common on things like forklifts and skidsteers
And the technology will probably slowly grow to higher speed applications. Could imagine than in a few years we see city busses, garbage trucks and similar use.
They’ve been working on these for decades. I remember demos back when I was in high school in the ‘90s. It’s such a cool idea, I hope they figure it out soon.
Michelin are currently marketing Tweels/Uptis towards small offroad vehicles and small farm equipment, which honestly is perfect for them. I'm debating getting some for my buddy's Miata 😂
well, sort of a "premature" title since the airless car tire is just developed, and not on the market yet. I heard a rumor that new products get developed before being launched, and actually "improved" Now, the concept of the airless tire has been around quite a while on industrial lower speed vehicles, and if you want to have a "fair" title that those are "this" or "that" because of your own view when the other thing happened, well fine. *but on the car tire, we do sort of have to evaluate them after they actually arrive -I think the video I just watched said 2024,,,
I could see a variant of this being a modification of your standard air filled tires to create run flat tires where you could operate on the flat tire to get to a service station for a repair.
This is a point outside of the video. "X will revolutionize the future of Y", and then everything they show you is CGI, you can just disregard it completely for now. Because it means they haven't even figured out a working model yet.
Jay Leno has a video about his 1916 Autocar Coal Truck. It still has the original tires! He said they vulcanized the rubber while attaching it the rim. It's a solid tire. They still function fine after 100 years (for going 20 MPH anyway)
Flying car included. I think they couldn't iron out all the problems to be marketable. But than i say the same with electric car. It still have the major problem of replacing the battery and it's not cheap or easy to make and waste a lot. But when you slap on the "save environment" on it those idiots will swallow anything.
You can get "tweels" for ride on lawn mowers. They're really good. They have tons of pros, like a flat profle, which provides more grip and a wider grip surface wich means less presure on the ground, meaning no ruts, wear is better, becaus the rubber can be harder, because it doesnt have to stretch. and the ride is smoother meaning because of the extra layer of suspention, meaning a better cut.
They go great on an off-road track (that is not designed for speed) The ones I have used in the military were great at low speed and really comfortable off-road
This is where i see these tyres shining. Military, less maintenance, less risk of the vehicle being out of action due to a flat, less vulnerable to small arms, etc and etc, for road vehicles maybe not the solution rn, but for military uses, the worlds your oyster.
Problem is that when you start to load alot more weight in your car than usual, like for example going on holiday with your family. In tires filled with air you can simply increase the pressure to resist the added weight. I wonder how airless tires will handle this?
Tyres and brakes are the two things that we seemingly got so damned right early on, they're extremely hard to improve upon. There have been some small improvements, but the base principles are unchanged for both air-filled tires and hydraulic brakes, for around 100 years.
ABS, Discs over drums, pneumatic slave cylinders, hydraulic actuators, carbon ceramic components, the principle of slamming two solid lumps of matter against a spinning mechanism mighht not have changed but brakes have been constantly updated over the last century and only really in the last 30 years or so reached their peak potential, a 100 year old drum braking system is hardly comparable to a pneumatically actuated computer controlled anti lock braking system to the point where they both share commonality but are leagues apart. Its like comparing modern wheel designs to old horse drawn carraiges, yeah theyre both solid circles and hence follow the same design principles but a modern alloy wheel couldnt be any further removed from its wooden ancestors! Same with tyre technology. We neither got them right early on nor stopped improving them so that statement is demonstrably fallacious. Thats like saying two pieces of bread slapped together is the same as a turkey club sandwich. Sure its still two pieces of bread but theres a damn sight more thought, preparation and research going into it that changes the entire concept of what a 'sandwich' can be.
They will need to be shielded on the side I think. If small debris finds its way in the spoke area it will get chewed up fast. Which is why I think if they used a hybrid of new and old they could have these to market faster. But I get wanting to do it this way first. There is a New, and Wow factor that could really get the ball rolling.
I thought of a similar idea twenty years ago but I could not work out some problems as follows: What is going to happen when you are parked in a puddle that freezes ? What happens when your driving in sleet and the spaces fill up with slush?
I'm sure the airless tires would add a great deal of weight and rotating mass, greatly reducing fuel mileage and reducing the life of other components such as wheel bearings, brakes, and suspension parts.
maybe, maybe not. If it takes the same amount of rubber to make the walls strong enough to be pressurized and handle the spikes during impacts then the overall weight wouldn't change much at all, they also don't need the steel mesh apparently so that would save a lot of weight too. I think more of the mass looks like it would be closer to the axis of rotation too, which would lessen the impact but I have literally no way to make any measurements meaningfully.
@@jypsridic The finished product would need sidewalls too as cars are driven through mud and snow which would greatly throw off the balance. I'd imagine it would need a belt of some sort to keep it round without getting wonky, or splitting between the supprt columns. The inability to regulate the stiffness would bring on another layer of issues such as bad fuel economy or traction. I'm not against the idea but fear that it creates more issues than it solves.
@@deputydillhole if they attached it at the outer and inner rims I don't think it would be a major issue. I think the ideal will be pressurized chambers that have enough rubber to be structurally sound but use air for most of the shock dampening but where like 15 of the cells could get damaged without noticing the difference.
@@deputydillhole they'd be low enough pressure to not blow out, rigid enough from the rubber to not go flat, bouncy enough from the air to deal with heat. Losing a cell would just result in a small bump on every rotation, which would be annoying but safe.
From what I've seen they haven't made a definite decision on to use a side wall on these or not So basically they are showing these without the sidewall so you can see what the tire looks like on the "inside"
I had the front right tire blow out on my 99 Chevy Lumina at 55mph lol Literally hit 55mph and as soon as I did it blew. Thankfully I was just visiting with my mom and was right in front of her house essentially. There's also a junk yard right across the street from where she lived at the time :p
I imagine that these tires will be perfect for buses. They generally stay under 60 MPH (~96.5 KPH), don't take tight corners at speed, and would favor reliability and efficiency above most everything else. On-site vehicles, such as dump trucks, would probably also really like them.
I remember a big marketing point for these when I was a kid (in the 90s) was that the tires were being developed primarily for use in countries where it's harder to get tires/get them serviced in order to help the populations there.
I briefly contemplated airless tires for my bike but in addition to being insanely expensive compared to tubes they also have very limited lifespan because all the force goes into one part of it and are much less efficient.
I was excited when I first heard about it, then again it is literally reinventing the wheel. Safety and economy are going to be paramount but there is plenty of motivation for manufacturers to solve the challenges.
I wonder if they would be more useful for your average work truck as they are typically not going to experience the same extremes a sports car does. Although, the base weight difference could put the same forces on the tire at lower speeds bringing us back to the same current issues. Interesting and exciting concept though, and would be nice for your general construction vehicles that encounter more destructive debris than a road car.
I'm definitely excited to see these hit production, if they're ever as good as normal tires in all weather situations then I'd pay heaps more for something that can't explode if I run over a big piece of metal
The stuff at the end makes me realise that heating would be an entirely different game with these. You wouldn't have a captive bit of air and could design ventilation right into the tires, though the greater stiffness may increase wear.
What about off-road tires? They need to be stiff for paved road & fuel efficiency, but soft flat for off-road gravel, sand or rocky terain. Air filled tires allows that with a simple airpump, with the spokes tires you'll be able to cover the threads with wider layer, but the stiffness will remain .
These have been available on industrial machines for quite the while. The problem with passenger cars is that, aside from weight and unbalancing issues in extreme temperature swings, the things had a hard time staying together at highway speed. They would make an amazing off-road tire though, which is one place they should be implemented already.
@@invidatauro8922 They bounce and flex enough that it wouldn't be any worse than when it gets packed in between the treads. Most of the time you're not going that fast to where it would be a problem, and it washes out in the next water/mud bog pretty easy. I'd take that over worrying about flats from rocks and tree roots. Funnily enough in the year or so since my original comment, they have started rolling out in more useful tire sizes. $900 per tire, and that's the Starting point! 👀
My concern is how well they’d last in a skid, summernats and rockynats tracks eat them tires up quick! Maybe you could exchange them reforming things for a bit more tread
It's going to be many times more than a standard tyre because of the rim. I think there will be huge problems with the constant deformation of the structure that may seriously affect lifespan and performance over time, as the material degrades.
People are missing the real reason these will never work: They use around the same amount of rubber as a regular tire, and they are also subject to the same EOL reason as regular tires, which is the rubber aging and the oil in it drying out. So it's a tire that is more complex to create, obviously costs more, but doesn't technically have any more longevity. Sure, you won't get a flat, but that isn't a massive issue, because by the time you do get a flat most of the time it's because your tires have aged into EOL. Then there's the glaring issue of the gaps, which will obviously be an issue for debris and weather conditions. Imagine rocks get pulled into those gaps. Imagine snow gets compacted into those gaps, then also turns to ice. That would also cause more wear and tear, because parking overnight during a blizzard and then not bothering to dig out the snow around the tires, could cause torque to be applied that pulls the tire from the rim, which might not immediately rip it off, but would definitely be putting unnatural stresses on it. These might be better for low weight and low speed applications like with bikes, but even that's a problem because these things generally require very thin tires, which would obviously pose a problem. So there's issues even for low weight and low speed applications due to the difference in tire sizes needed for these applications. And finally, there comes to other glaring issue: When you park, you're putting a lot of pressure on one spot for a long time, which can obviously cause material to degrade at a different rate. With air tires, the same is kind of true, except since the tire is filled with air, any pressure on the bottom of the tire is equalized by pushing on the rest of the tire internally. With these airless tires, you don't get that. So if you just happen to end up on one area of spokes more than others when you park, that could result in a lot more wear and tear on a specific area, that could ultimately result in the failure of the entire tire.
Airless tires would be comparably awful off road. Not only can you not float them “reduce air pressure for more surface area” they will be much heavier as well. Maybe you could buy wider tires to compensate, but it still would be even heavier.
I just keep on imagining the contact patch moving sideways in a corner like normal cars but then the weird spokes in the other side stretches to its limit and folds in.
None of the materials exhibited thus far will work equally well in arizona heat and ice and snow in -30 Just give me safe conventional tires and I will keep on truckin!!!
@@franciscouderq1100 idk it just keeps bothering me like if that tyre was drifting and the rubber spokes just lets go or something They would probably be working on it. 😍
You touched on the biggest bonus of them. Michelin has said that the design allows them to tune ride and handling completely independently of each other. So you can have an S-class ride with autocross handling in the same tire. No more compromise.
Thanks for your video and your opinion. Your perspective seems to be more focussed on track performance. But most “normal” people just need tires for normal conditions. I drive a Toyota Highlander and I am really looking forward to buy the first available pair of uptis tyres, despite the weight of the car. I really don’t like normal tyres.
2:51 Vehicle inspections in the USA are incredibly inferior to most other western countries. Not surprised to hear that stat when you see the state of some of the vehicles on the roads in US
No vehicle inspections in my state for either safety or emissions. It's never had safety inspections (as far as I know), and emissions testing ended last year because new cars are so much cleaner that it became pointless.
Agreed. Tires are used longer than they should be and so they have a higher chance of ending their use with a tire puncture. Also, the roads are sometimes bad too. Causing more cargo or vehicle parts to fall on the road because of bumps and vibrations.
Perhaps, just my personal guess, the conventional air tire that just doesn't go flat quickly when punctured but can last maybe a few hours for the driver to get it replaced. With a help of some sort of tire air pressure sensor, I guess. This might be just good enough. And also, how often do we get flat tire in our lifetime realistically?
3:00 Lol one hole doesn't mean the tire is trash. Plug it and the tire can last the duration until it goes bald. Depends on where the tire got punctured. I've had punctures plugged and the tire lasted a long time.
I'm concerned about the open construction of the tire. Driving through a mud puddle could result in a severely out of balance tire. Are gas stations going to have to have coin operated hoses for people who have mud or rocks in their tires?
Would you put some of these on your car??
WE'RE HIRING! Are you a brilliant writer with an understanding of cars and engineering? Check the job here! driver61.typeform.com/to/M9ZZa9f0
Nope, good ol' air for me please 😅
Daily, sure..
those suspension spoke, might make it act sort of like a low profile tire.
Who gives a f*ck how good they are on the track? one person in a million?
No way. Sorry but i`m not a writer.
If this could be combined with air to adjust to different driving conditions, sure
I see these being *perfect* spare tires. Never worrying about checking the pressure in it, and how strong it can be at a light weight, taking up a slightly smaller area in a boot.
My thoughts exactly
Now look at you big brain! (mean it in a good way lol), That would be good use.
Nice! That'd be a great use for them for now.
Why would it take up a slightly smaller area in a boot?
@@Terra_LopezAirless tires could be compressed more tightly
I had the chance for a tour of a tyre factory about 20 years ago - I’ve never complained about tyre prices since, they are frankly amazing for all their faults.
Why u spelling tire like that
@@Matts42039 because I am from the UK and that is how we spell tyre - personally I think tire looks ugly and I tire of it😂. No offence to our American neighbours across the pond by tyre is more colourful. (The u’s are added as we spell those words with them - I am adding to the bad joke of this) - Edit not sure why you name is appearing in the middle- not doing as I write it.
@@Matts42039 To tire is to get tired etc. Tyre is the rubber hoop that goes on wheels. You're welcome for the English lesson.
Thanks for the English lesson :)
@@ribbitism but a wheel isn’t a wheel without the tire it’s a rim before the tire gets on it *sarcasm*
Complete clickbait. It’s just an informative video where the closest thing to an opinion on the airless tires is “we’ll see how they do”. The main question posed in the title is never answered, you never explained why they “kinda suck”.
Thanks for saving me time!!!!
Legend
Sweet thanks
Thanks
TYSM
I knew a man who worked for Armstrong Tires back in the early 1970's. While there he worked on a project to make tires that would never go flat using closed cell foam in place of air in the tire. When they were ready to Beta test the tires they selected a group of tire users who were particularly hard on tires, log truck operators. And a bunch of truck operators bought them with the guarantee that they would never go flat.
The only problem was that even though the tires wouldn't go flat, the tread still had to be made of a compound soft enough to grip the road, so the tread would eventually wear out and the tire would have to be replaced. When the tires began to wear out the truck operators got mad and demanded a refund or threatened law suits because they thought "won't go flat" was the same as "lasts forever."
And that's why every few years one tire company or another announces they have perfected tires that won't go flat but they never ever come on the market. They always find out that far too many people will equate "won't go flat" with "lasts forever" and either get mad when they wear out, or worse, drive them far past the point of being safe and then sue the tire company for the inevitable accident they have.
That's so stupid lmao
Some people are dumb
@@DaveCMSome? Ha!
that wouldn't stand in court. even american one
Yeah some people drive on a set of tires until there's not even wire left.
Fucking maniacs.
What no one seems to mention with these new concept design of airless tires is, what happens when debris get trapped in the spokes of the tires themselves? This would result in the tire being unbalanced and would be a major problem. Perhaps a thin wall of rubber covering the spokes is what would be needed for a consumer version of these tires, and all the concepts are open design to showcase the difference between these and regular air filled tires.
But if you think about it, it would be impossible to injection mold the tires with the spokes covered, they would need to be added separately, but then there is another problem: when you hit a curb with your wheel, it might rip off that layer covering the spokes
It is very hard to cover those easily and reliably, no current airless tires have their spokes covered, not at NASA, not in army prototypes, not on electric scooters
These are prototypes, the production model will have sidewalls. Michelin already confirmed this.
@@harambe7221 I am more worried about mud, wet mud will stay for a while between the spokes
@@harambe7221 Yes even slight imbalance in wheels will cause vibration and accelerate tire wear especially at high speed. Thats why tire shops will balance your wheel after installing new tires
Im like 92% sure this is already the plan
What seems to be a better option here is a hybrid tire. An air-filled tire with enough of these "spokes" inside to make them safe to drive on in case of a blowout, since the primary goal here is to reduce fatalities from high speed blow outs and also provide the ability to get to a shop and not be stranded with a flat. Hopefully such a tire would perform mostly like a normal air-filled tire, but simply have enhanced safety and reliability.
Basically an improved version of current run flat tires.
Funny thing is, the French president had an attempt made on his life while driving in a Citroen DS, and that car's unique hydropneumatic suspension is supposedly what allowed his driver to take him off to safety despite all four tires having been shot out by the would-be assasins!
with how expensive that might be to make, it may not be worth it
@@spedenko765 As someone who easily does 1000 miles in a week, to me it would absolutely be worth whatever cost. Of course I don't pay that cost as I drive a company vehicle, but still...the safety would be worth it to a company.
@@Kelnx I guess you and me work for very different types of companies.
Well, the normal tires have close to a centuries worth of innovation and maturity, so these airless one have a lot of catching up to do, but the potential benefits are there. I guess it's more likely that some kind of hybrid will get more popular if it ever comes out, but it would be nice to have less waste with longer lasting tires, even if it means making a few concessions on the performance side.
So true……tire engineering is built on multiple decades of amassed knowledge. These people aren’t showing up to work everyday to “re-invent the wheel”. At this point, if they make a very small, incremental improvement over the previous version, that means a successful year.
I could see it as the internal skeleton of air tires incase you have a puncture.
I think the reality is that most people don’t care about performance that much. Yes, it adds to safety of course, but I’m sure most drivers would prefer to reduce their expenditures on tires and such than having more grip and stuff
@@pavelshevchenko4848 lived in a totally broke family, my dad never cheaped out on the tires. It's a good way to lose your entire family not paying attention to grip and safety.
@@Syllaren valid
I can imagine a hybrid design where this concept is essentially fitted around a regular conventional tire
I was thinking the same thing but, there may be reasons this isn't done.
I would assume all the compression needs to happen at the air tire part and the outer airless part needs to be rigid in order to actually gain the protective benefits this design aims for. This just doesn't sound like a great design though because it adds too many cpmplex systems and gets the flaws from both while also potentially introducing its own unique flaws and doesn't fix much in exchange.
I think production versions cover the exposed bit, making it look like a normal tire
Run flats?
Would be too heavy
@@carlosandleon Yeah, they're definitely not gonna be exposed like that. Can you imagine all the crap getting stuck in them?
My real concern is their performance on motorcycles. A big part of the reason we use air tires is because of the sidewall allowing for the lean, but it looks like these would compress too much, or have little to no grip as you lean on the bike.
@@HOSPlTALLER you have to lean tho unless you wanna be going 5mph all the time
@@HOSPlTALLER Dude.. wtf are you even talking about?
Y’all @@HOSPlTALLER is joking. Chill
@@joshuaunland5031 not really
@@whodat4265 nah deadass he rly did say "perpendicular", either he's joking fr or he's planning on gyroscopes in motorcycles, which ngl would be pretty poggers my dude
The thing that makes me turn down this technology is that pneumatic tires distributes the load evenly thorough the enire wheel because it's the air pressure inside the tire that transfers the load. With these aiirless type of tires no matter how efficient the support structure might be the force on the wheel will always be localized to the area where the tire meets the floor, this reduces the wheel's life dramatically. The best use for this thechnology is to merge both into one, having pneumatic tires with a mild supporting structure inside. Since now tire valves are equipped with pressure sensors you can get a tire popped but not end up stranded inmediately because the tire still works, albeit limited, with the sensor warning you of the tire failure so you can get it fixed or replaced.
Exactly. Both is the answer. This would be an amazing advancement of modern tires, to have supporting structures inside the tire.
You just reinvented run flat tires lol
@@jacobbarefoot8457 I was just about to say run flats have been around for ages. After a tyre pops they can go 200km before you're running on the rims
Not an issue if they last long enough. They aren't meant to last forever. Just as long as a normal tire probably. If they do that, with similar performance, and aren't susceptible to going flat, then it's a win regardless.
I'm surprised he didn't mention force transfer across the tire in pneumatic tires. Doesn't seem to know what he's talking about. Also, sensorless tires are gonna be the thing soon. They detect flats by the difference in rotational speeds. A lot of cars are already doing it.
The title is misleading. From the video, it seems the jury is still out on how these perform. In fact, at 8:00, he said they could offer the best of both world, good traction and precise steering. Eliminating the risk of high speed blowout is a huge benefit, not just for cars and motorcycles, but also bikes I'm a cyclist, had a blowout this summer that could've killed me. It's early still, but I'm excited to see where these are going.
Yeah, I'm gonna have to dislike the video. I didn't see him deliver on the titles claim of how airless tires suck.
Unfortunately this is a very common trend on TH-cam videos, even in good ones.
Bryce, I think motorcycle tyres need to be quite different. A car tyre has flat profile while a motorcycle tyre has a round profile, so that when you lean in a corner the tyre still has similar contact patch and similar grip, and that also means different kinds of deformations compared to a car tyre.
@@alejandrobasaldua5930 If it was phrased as a question then it would be more accurate.
There are airless tires available for bicycles now, and they do suck, quite badly. Yes, they never go flat, but the ride and handling is garbage. One thing not mentioned here is that the entire volume of air in the tire functions to absorb every shock, because the entire volume is compressed in that instant. An airless tire only uses the volume of tire directly in line between the hub and contact patch to absorb a shock. That means the shock absorbing ability of those spokes needs to be many many times greater than the same volume of air.
I've seen some lawnmowers that use airless tires, lets the lawn crew get over curbs very easily without it being a jarring transition. It was very neat.
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. For God did not send his Son into the world to condemn the world, but to save the world through him. John 3:16, 17
Why are you spelling tyre like that?
@@Chris-nn3vu because "tire" is its proper spelling?
@@wockhardt69 Your point?
@@wockhardt69 not just america, it's the same in a few asian countries i've lived in
Honestly: I’d be happy with a airless tire that’s safe and reliable for 50K miles designed to stay under 90mph. I don’t drive faster that 85 anyway.
Well, it doesn't look like youll get one anytime soon IMO. I think with the problem of load spreading... Trapped Debris and also fatigue and splitting of the rubberised spokes after time, were all going to be better off putting up with the occasional puncture...
I hit 140 mph on a semi regular basis - up to no good on the free way 👀. Still I think airless tires are cool and want to see where the technology goes. The fact that they are spikestrip proof is a huge selling point
@@ant7699 As far as i know only concept tires dont have side panels. Once and mostly IF they ever get to market, it has been confirmed, that it will have the sides covered, so nothing can really get stuck in there.
@@ErectileSceptile hahaha, run from the cops much?
Laughing in German.
This Michelin effort has been in progress for a lot longer than 10 years. I was an engineer by trade, before retiring 20 years ago. I was involved in producing industrial tire yarns, used in the manufacture of pneumatic tires, and we were aware of Michelin's program about 30 years ago, since it threatened our business. I also once attended a conference on the design and development of pneumatic tires, and came away highly impressed with the level of sophisticated engineering. Tires are one of the most highly engineered and evolved composites in modern industry. It will be a real challenge to improve on at, while maintaining the level of performance and low cost. I don't expect it to happen very soon..
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. For God did not send his Son into the world to condemn the world, but to save the world through him. John 3:16, 17
@@spicydramarama852 bruh
@Sverker Olausson that's what I'm saying lol
To be fair, they don't need to exactly "maintain the level of performance and low cost", they need to be better for the scenario you're buying for, and that "can't be popped" factor can compensate a lot! I expect them to show up in the off-road tire market first, since changing tires in the mud is a royal pain in the ass, and well worth the money to avoid
LOW COST WHAT THE F LOW COST IS BS PER TIRE SAY A 100 $ TIRE COSTS TOPS 15BUCKS DELIVERED TO THE POINT OF SALE X a billion Tire's an huh low cost my ass
The tweel has found a good use on commercial mowing equipment. They don't go flat and traction is far less of an issue on relatively slow moving mowers. I don't see them overtaking pneumatic tires anytime soon.
I’ve seen them on golfcarts too.
I'm curious to see how it will work in winter conditions. I suspect there might be ice build up in the tire structure which may cause imbalance.
We will see. Maybe they only sell summer tires or use some coverage.
I think the final product will be sealed
I suspect the commercial version would have a sidewall to protect the spokes. These open versions look like show pieces intended to show off how they work.
Aside from debris entering the gaps and causing trouble, I suspect the airflow past these gaps would create a ton of noise at speed.
@@Anon_jonn
Old wheel designs seeing the new tires are also pressurized: "You got so far... but where did it lead you? back to me!"
@@jonumine6250 Nice cringe.
10 years? I’ve been seeing similar tyres concepts back when I used to read Popular Mechanics in the 90’s.
Just saw these on a skid steer or some small piece of equipment today.
Lol. That car concept in an 1957 issue of Popular Mechanics had no tyres at all.
This is up there with fusion energy. It’ll always be 10 years away.
Our host was looking forward to entering pre-school in 1990.
All you snarky people are clearly from the future. We are currently in the era before TH-cam.
I remember reading about these in popular mechanics 20 years ago, they were saying they should be on the market by 2010. At this point I feel like it's never going to happen
We were supposed to colonise Mars by 2020
Oh hey, remember the flying cars of the 70’s? LOL, many of the things that were supposed to be out 50 years ago are still in beta tests today, having gone through 3-30 different companies all who probably had to abandon projects because of patents from other companies.
That's because companies like Michelin don't give a shit. It's going to take another Tesla, bulldozing its way through the morass of knuckle-dragging fossils.
Michelin just announced they will be released next year for the public
Everything from a lab is 5 to 10 years to market.😅😅😅😅😅
I actually saw these on a small excavator . Makes perfect sense that it would work well for huge high weight low speed construction applications. You don't have to wory about stuff gettibg stuck in the spokes at 5 mph and it carries large weight better than a typical hige thick construction tire.
I have a skid loader with airless tires. Never had a problem but, like you said, the loader doesn't break 10 MPH
I worked with an army prototype equipment carrier; used to integrate into infantry platoons, and they used these tires. Now they only weighed about 700lbs but driving then though forest/swamp and then 25mph on road I never had an issue with them.
You'd be shocked to see how well they perform on high performance off road vehicles
Just force Pirelli to make them standard in F1. Those things would be bullet proof as heck
Forcing them to be used in racing would turbocharge development of them!
I think rally would do the job too
So...why do they suck? I must have missed that somewhere. Give me a MM:SS if you saw it.
@@MrPLC999 heat management is very... complicated and the lateral g forces would probably obliterate the tyres. Also Setup is more complicated because you have no pressure to adjust.
And cost 30k each
Airless tires are awesome, had the privilege of driving a truck with them except the set i drove on had side walls. There was no over excessive roll and the drive was really smooth.
so you think you are funny
@@0MVR_0 they wernt making a joke
@@vladimirtiffany An airless tire with walls on the sides is the conventional version
@@0MVR_0 no it's not lol
@@comicbookguy2326 Then I withdraw the relevant statements.
my main point of thought is tyre pressures. with a standard tyre you fill or empty it depending on temperature AND how much weight it is loaded with. if you have no air you cant control how stiff the tyres are. if you have a small hatchback it could be like riding on concrete wheels but if you have an suv towing a trailer you could be riding on your hubs with the tyres fully compressed. I'm interested to see how they manage this!
Surely they could design the tyres for a cars kerb weight, or for an effective load rather than a psi rating
@@bongocat5223 that would certainly be one way of doing it but I think it would be unlikely that people would buy another set of the correct weight wheels just for when they go somewhere with a loaded up car.
there was a point in the video though where they re-treaded the tyres while they were on the car. perhaps you have a roll on tyre change station that weighs the car and fits the right wheels for you so you don't need 2 or 3 sets of wheels and have to change them yourself.
Im sure while Michelin are researching about a new tyre they have taken this into account. Maybe that's where a lot of the issue comes from? My best guess is they'll develop the spokes between the wheel and tyre to resist more weight as and when it is added, so the more weight it detects, or the more load it comes under the stiffer the spokes become to compensate. No idea how they'd do that, but that's my best guess for how they'd get round it. Either that or they sell the tyres with much lower load ratings.
@@crisrose9707 they could also create progressive tyres, so the harder you crush them the stronger they resist. The technology exists and that would sort the issues above
Progressive sounds nice but for ofroad use it's not about being Progressive but about being able to adapt your pressure to the terrain and the situation. They would also have to be closed tyres and not these open spokes. The open spokes would be terrible for offroad driving in muddy conditions.
so, living in Canada, any month with an "r" in it could experience snow. Driving through snow on airless tires will undoubtedly cause some snow to accumulate inside the tire. when driving, tires tend to warm up so once there is snow accumulating inside the tire and the car stops, the snow will likely start melting and because the ambient temperature is freezing. the melting snow will also freeze. How will this affect wheel and tire balance?
I can see the slush getting inside the tire and freezing solid. Perhaps even freezing the tire to the ground if you park when it is warmer and it turns cold at night
Michein has already confirmed there will be sidewalls. Sheesh, it's a non issue.
The ERW wheel has sidewalls and negative pressure.
That a f*ing good question!
@@percyfaith11 That would make a huge difference ...
consider , the standard "balloon" tyre exerts pressure equally in all directions , air causes the tyre to grip the rim , stopping it peeling off under cornering or "side load" conditions and braking , it also has volume but not "mass" hence the "light"weight, the airless tyre is heavy , has to have mechanical attachment to the rim and has a "dead" feel because of the "unsprung " weight , compressed air has a natural "spring"effect that counters this , plus the grip because of this "pressure"is something the airless will never have
When Michelin introduced the first radial tire, the Michelin X, I tried some on a car that I raced and rallied. They were fantastic in that the grip compared to cross ply tires was phenomenal. But when they lost grip, usually at very high speed in a corner, they lost it in an instant and worse, did not regain grip until the car was nearly stopped, either by my braking or a track limiting barrier. I used them for endurance racing and on my trans-European travels for the tow car. The wear was minimal and the fuel efficiency was fantastic.
But as other radials came on the market I switched to some of them. Pirellis didn't wear well but the transition at high slip angles was awesome. Dunlops were the best in the rain but Goodyear performed best overall, provided you buffed half the tread away before fitting.
So, what's the point of my diatribe? Just look at how good even the cheapest tires perform today. Michelin pioneered the radial tire and are considered one of the best tire manufacturers today. I'm confident that they will succeed. Eventually.
I am sure people will be driving on airless tires in the near future and certainly on heavy vehicles where the benefits are greatest. Buses, trucks, HGVs, etc will use airless first and Ferrari's and Lambo's probably last. But they will use them eventually. I'd put them on my 39,000 lb GVW RV now if I could.
Very well worded. I know next to nothing about tires lol, so reading your comment was very educational for me! Kudos!
Tyre
As a cyclist these will be a huge improvement in safety. In a standard car you have the redundancy of four tires on four rims. A bike? One goes out and the rider goes flying 🦐
@michelin
@@PiOfficial people spell it differently, you still know what they mean
I work at the high performance Michelin plant (cup 2, pilot super,etc.) and the innovation in tires is crazy. The tweel/uptis tire is made at the same plant I work at. The way they are made would blow your mind.
Do enlighten us good sir
Only concern I have is if mud or dirt get lodged in the ribs and unbalance the tire
@@sarajanot7054 most likely you'd be able to just use a hose/power washer to clean them out
@@YourLocalRaccoon sure let me get the hose when i notice heavy vibration on the highway
@@DanielRevay there could also be some kind of flexible tough skin on the outside that would prevent anything from getting into the holes
I've had 6 blowouts, several on the freeway going almost 80mph. It is very hard trying to change a tire when you have speeding cars and trucks flying by. If there are good airless tires available, that can handle high speeds and take turns without getting out of place, I'm all for that.
Replacing these tires along with the rim tells me that each replacement would be a hefty investment. It is unknown if they'd offer a trade in program for worn out tires, because if they don't, they'll end up at the same landfill as the air tires themselves.
They can get retread, so yes it would also likly have a core charge. What your describing is already the system used for commercial truck tires.
But you'd be replacing them less often, and a smart company would work out how to refit a worn tread and spokes to an existing rim
@@jaydunbar7538 how many of the garages near you have a retreading machine?
@@jaydunbar7538 Video said they'd get sent back to Michelin to get the retread. Sounds expensive to ship these things back to France to be re-worked. There would also be legal barriers to cross, at least there would be in the USA, where retreads on passenger cars have been outlawed for decades.
@@tippyc2 The thing is, you can retread air tires just fine. There are companies that do it, and their performance has been verified independently.
I'd be worried about the fatigue life of those springs as well as how their spring constants change with temperature (as I would expect them to get a lot softer as the temperature increases).
Glass fibre reinforced plastic parts have shockingly long fatigue lives. They are used as springs, so there is some accumulated field experience. Also, their stiffnesses are pretty much temperature-independent, as long as they are used in terranean conditions, because the glass-fibres are the components providing the stiffness.
Another problem would be the absence of adjustability of cornering stiffness by tire inflation. Tire pressure is very easy to change, thus, constitutes a great tool for car's balance adjustment. Also, a problem would be the weight variance (e.g. from city driving to roadtrips) that requires adjustability of the stiffness. I think that there are a lot of challenges but, the concept is great!
A lot of that adjustability comes from the shock absorbers not just the tires. Nobody i know EVER adjusts them. Worst case you can just use the appropriate tire for your road area
@@melody3741 Of course tire pressure isn't the only tool for balancing the car. Springs, ARB stiffness, roll center, camber, damper's bump and rebound are only a few of the tools used but adjusting the tire pressure is the easiest for a daily driver. Plus the fact that absorbers don't influence the steady state response of the car. Also, don't forget the difference between curb and gross weight.
The only people I know regularly changing pressures for their tires are off roaders (mud/sand/rocks)
I’ve never met/heard of anyone regularly changing their tire pressure between city/road trips.
You’d be the first.
@@JH-qy7zw Whether you have heard someone do it or not the right thing to do for a car is to vary the pressure according to the car load so that you maintain the right contact patch! Look at your car 's door (usually) and you will see what pressures the manufacturer suggests for each condition.
@@vageliswrc6050 that might be true but I doubt most people are adding or subtracting 1000s of lbs from their car. A few hundred won't make a difference.
I can totally see tires like this becoming the norm on normal road cars in the not too distant future. I can't imagine those at a track though. I can't imagine them to be lighter, stiff or soft enough in the different areas to outperforme regular tires, but who knows. It'll be fun to see the progression over the coming years.
depressing garbage. That shit isn't going on my car that's for sure
@@AverageAlien wow! This person hates progress! They're so cool !!
@@jonasgrill1155 Lmfao progress my ass. This is regress.
@@jonasgrill1155 Progress apparently means more pussy ass safety features for garbage drivers
@@AverageAlien actual caveman
The main problem will be making a material that can handle both vertical and horizontal stress for a very large amount of time. It would be fine if the car was in constant motion but once you leave it in one place for a long period of time the materials will begin to alter form due to the constant stress on that particular area of the tire and it not being equally distributed (like when driving).
Eh, simple fix, just make sure your car is lifted off the ground whenever you park, it’s what I do.
It's also the reason why tires need a certain amount of air pressure to come in contact with the ground, anyway. With the market pushing out giant frigates, I'm not sure if these 'Airless Tires' will be good with an extraordinary amount of weight involving trucks and the added loads involving construction and the like! As cool as these new tires are, I'm still iffy about it!
Quite on the contrary, I was really surprised how little impact a flat tire makes to my run-of-the-mill everyday car. I had not even noticed in city traffic that one of my tires had gone flat - a neighboring driver told me through the window at the traffic lights. Granted, on the highway, I would most likely have noticed myself, but at around 30mph on smooth tarmac, I did not! No audible rumble, no tremble in the steering wheel, no pull to one side, nothing.
Shows me how well designed all the _other_ components of wheels and suspensions are these days.
bruh we did a balloon race in science class. one kid used old HDD discs with bearings for wheels. one unscrewed immediately and the thing continued perfectly straight and level and came first for distance. the only other components were toothpicks and a piece of cardboard. nothing to do with advanced engineering. your car just becomes a three legged stool instead of a four legged one.
This has been "about to hit the market" for a while. I remember reading about tires like this 10 years ago. Then they showed up on slow moving heavy equipment and skid loaders. Never saw one on a road car, and idk why not.
I SPOTTED ONE IN THE WILD IN LAS VEGAS IT WAS A CITY OWNED FLEET CAR I BELIEVE IT WAS A CIVIC THAT WAS 2 MONTHS AGO
i think its because then companies might lose profits
Hi ..so .you don't know why these airless tires aren't readily available for consumers? Allow me to elaborate on why ....all just my humble opinion here ....All spike strips used by Law Enforcement would then be rendered useless..worldwide..🌐 😱..All criminals would be having a field day , jumping for joy🤸🤸🤸🤸🎊🎉🎊🎁 with these puncture - proof tires 😱😵..maybe not a good thing for society , especially now in this increasingly - berserk world..😵 something to consider .. Does this world really need to help the criminal be more dangerous ?!?🤔😳🤯
@@muhammad4779 Why? Tires wear out through daily use pretty regularly. Not everything is a conspiracy or corporations keeping you down. Sometimes new ideas either aren't that good and get abandoned, or take longer than people thought.
It just shows how hard it is to improve on what's worked for so long.
Yep.
Reinventing the wheel ….
What’s funny is that in France postal trucks are already equipped with these tyres (Michelin is a French company it’s normal that the tyre are tested in France) and I’ve seen them for real on a postal truck.(sorry for the bad English)
I ride an electric unicycle, where changing tires literally involves ripping the ENTIRE unit apart then doing a bicycle-style tire change. I want to see these kinds of puncture-proof tires with that technology.
lol with a name like some dandy an electronic unicycle is the perfect mode of transportation
@@foxxy46213 I'd love a Penny Farthing bicycle to go along with my top hat and waxed mustache (the dandy's best friend), but alas! Penny Farthings are $3000 for a base model.
@Joey Hext I'm going on a year, now. They're an awesome little bit of technology. But like I said, I REALLY wish they had a puncture-proof tire or an easier changing process.
@@somedandy7694 they have airless bike tires
@@TakBonez Are they the 20-inch X 2-inch types that would fit an electric unicycle (and accommodate speeds of up to 30 mph)? If so...TAKE MY MONEY!
"Black Donuts of Rubber" will be the name of my electro-salsa band and "Good Ol' Air" the name of our first single.
Great video. I'd forgotten about those airless tires. Even in electric scooters, with much less demanding work, airless "honeycomb" tires are still second-rate
How about the sticky Rick band?
"An innertube is a black rubber bagel." ---I saw that somewhere in the '70s.
You would want sidewalls on an airless tire, so fun if gravel get in there or if they pack up with snow.
$1000 Per Tyre every 2 years(because the rubber will still wear) to save $20 on a puncture.
Seems legit.
When was the last time you punctured a sidewall and it only cost you $20?
@@alexfodor8066 some say when you puncure a side wall you should not repair it... and a standard puncture happens frome time to time
When you puncture the corner between the sidewall and the tread it is not possible to properly patch a tire.
Very good point
1000 seems to be a big price ever two years
I remember seeing these tyres in an engineering magazine we used to get at work about 15 years ago branding them the future of tyres. Considering they had working prototypes back then. Considering it’s taken this long to get to this point there’s clearly been a lot of problems with them.
they are unbalanced and unstable at hgher speed than 45mp/h
the design is allready available for light tractors and smaller construction mashines
Or mayge they are just too good .... don't punture, last longer, work out cheaper on trade ins.......maybe they dont want to loose profit by providing much better products ??!!
@@stupitdog9686 yes, i think like you. maybe its something like the lightning bulp thing. if you selling too much longer lasting bulbs, you will get a penalty.
@@stupitdog9686 but if they need maintenance and only the company that made them can fix them you create a much better income source cutting out middle men making more profit. Plus gov tax cuts from reducing waste ect. If you think about it it's much better than normal tires.
Ya Coffee Turtle, I agree with you. Now you just have to convince the manufacturer!
I've always thought that the problem of the airless rubber tyre / tire was the inability to adjust the pressure /compression according to loading needs, and the inability to increase back the pressure / compression should some of the rubber supports starts failing - you will experience unbalanced tyre rotation and declining pressure/compression until the next tyre/tire change.
But the part about heat generation and side gripping are very good points as well. 👍🏻
I see one other potential issue. It all looks great in a clear weather on a clean road. But how about snow mud in late autumnt? How about normal mud on unpaved road? How about sand and gravel? Won't it enter this "tire" from the sides and affect the performance and "squishyness"? That would be my primary concern.
Well there would probably be some rubber on the side,It doesnt have that on the videos bcs they wanna show the insides.I think atleast
Not necessarily. If the underside surface of the outer tire was convex, centrifugal force would force any debris that entered out the sides as the tire rotates. Also i can see how the sides of the tire spokes could be curved in such a way to prevent crap from entering (in forward motion) but still allowing it to leave (sort of like how those rain shields work allowing you to crack the window in heavy rain without getting the inside of your car soaked).
@@magnanimus9692 convex outside could lead to non-uniform elasticity. Well, not my problem. At least for now ;-)
Your only worry would be large rocks that gets caught in the spines. The mud, snow, sand will bend with the spine and then get spun out via centrifugal force.
@@op3l yeah, sure, most of the mud and snow would get squished out. I though more of the hard contents with it.
To break down why we ACTUALLY are not getting these unpunctual tires....Tire companies thrive off this stuff of you getting holes in your tires. If you completely take out or massively reduce being able to get a puncture or going flat so you can go back to them and buy more tires off them... You take out the profit that the companies make just by you buying tires constantly due to holes way lower than before, hence them losing more money than it's worth for them. Companies DONT want things to last longer that's why things break easily nowdays companies make way more money with this method...It wouldn't be beneficial for them anyways. Even if they marked the tires to a ridiculous amount of cost. Still wouldn't be enough of a profit for them. Companies are greedy they don't want this kind of product to the normal society. If anything this would be an idea for the filthy rich.
As someone who is living in a cold climate, I'm scared of what would happen if you park in a puddle, the puddle freeze, and when you drive off, those spokes are inside a solid block of ice, making one part of the wheel rock hard, with the rest still soft.
also obliterating the weight balance
To be fair, I don't think winter versions will be the first versions released, you got some unique challenges besides that, like how you have to manage heat differently because the compound is designed for a different temperature range.
Not to mention slush collecting between the vanes...subject to freezing rock hard, leaving tires grossly unbalanced...same problem in muddy roads, every look at mud running FWD under carriages, wheel wells, etc.
Imo these visible spokes are for showcase, and the actual ones will have some sort of sidewall.
The fact they don't estimate a price on these tires tells me it will be high, possibly very high.
Easily $1000 per wheel
My grandpa just bought a new lawnmower with these tires, they’re really cool to look at and don’t get stuck in the mud as easily either!
One of the problems with this design is what happens when mud, gravel, ice gets into the air space on these tires.
They need to have a sealed solid rubber outer framework running at local atmospheric pressure
My thinking is also that gravel getting into the flexing spokes would mean a rather quick deterioration as they grind up the spokes with every revolution of the wheel.. But then testing ought to reveal if that is indeed a problem, and maybe there are solutions to prevent or mitigate it.
I presume the 'open' look is just for the sake of marketing
I would imagine it would be sealed. Probably just open in videos to show how it works.
Recently at my grandson s school I noticed the people mowing the lawn were using these tires. They were open, which drew my attention.
the Perseverence rover on mars has had a “pet rock” stuck in its airless tyre for years and hundreds of miles now
Surprised the issue of balancing wasn't brought up. This is one of the primary issues that drives up cost to the point of not being viable. The conditions these kind of tires are used today don't need balancing.
Those tyres are currently being used on public roads in France by delivery drivers as a long-term test phase.
This is coming ever closer to reality
I thought about also encasing the sides of these tires, so there would be a possibility of having these rubber structures and air inside the same tire, in case the tire gets punctured, the tire won’t be completely useless since the pressure would just go to the rubber structures inside
I thought about that too, just not the air part
I've seen these actually catch on in industrial settings quicker than consumer vehicles. they're getting quite common on things like forklifts and skidsteers
Yup. Just like tracks, they're great for machines traveling under 10mph.
And the technology will probably slowly grow to higher speed applications. Could imagine than in a few years we see city busses, garbage trucks and similar use.
They’ve been working on these for decades. I remember demos back when I was in high school in the ‘90s. It’s such a cool idea, I hope they figure it out soon.
Michelin are currently marketing Tweels/Uptis towards small offroad vehicles and small farm equipment, which honestly is perfect for them. I'm debating getting some for my buddy's Miata 😂
well, sort of a "premature" title since the airless car tire is just developed, and not on the market yet. I heard a rumor that new products get developed before being launched, and actually "improved" Now, the concept of the airless tire has been around quite a while on industrial lower speed vehicles, and if you want to have a "fair" title that those are "this" or "that" because of your own view when the other thing happened, well fine.
*but on the car tire, we do sort of have to evaluate them after they actually arrive -I think the video I just watched said 2024,,,
I've seen video's years and years ago. I remember one vid of these things on a Hummer, for example. So, no, not *that* new.
I could see a variant of this being a modification of your standard air filled tires to create run flat tires where you could operate on the flat tire to get to a service station for a repair.
This is a point outside of the video. "X will revolutionize the future of Y", and then everything they show you is CGI, you can just disregard it completely for now. Because it means they haven't even figured out a working model yet.
Jay Leno has a video about his 1916 Autocar Coal Truck. It still has the original tires! He said they vulcanized the rubber while attaching it the rim. It's a solid tire. They still function fine after 100 years (for going 20 MPH anyway)
I remember seeing airless tires like these on TV shows like Discovery Channel 10-20 years ago and I'm amazed they are still in development.
Flying car included. I think they couldn't iron out all the problems to be marketable. But than i say the same with electric car. It still have the major problem of replacing the battery and it's not cheap or easy to make and waste a lot. But when you slap on the "save environment" on it those idiots will swallow anything.
You can get "tweels" for ride on lawn mowers. They're really good. They have tons of pros, like a flat profle, which provides more grip and a wider grip surface wich means less presure on the ground, meaning no ruts, wear is better, becaus the rubber can be harder, because it doesnt have to stretch. and the ride is smoother meaning because of the extra layer of suspention, meaning a better cut.
They go great on an off-road track (that is not designed for speed)
The ones I have used in the military were great at low speed and really comfortable off-road
This is where i see these tyres shining. Military, less maintenance, less risk of the vehicle being out of action due to a flat, less vulnerable to small arms, etc and etc, for road vehicles maybe not the solution rn, but for military uses, the worlds your oyster.
Problem is that when you start to load alot more weight in your car than usual, like for example going on holiday with your family. In tires filled with air you can simply increase the pressure to resist the added weight. I wonder how airless tires will handle this?
im assuming that there will be varieties made with harder plastics, and you would have to swap them as you see fit
@@ThatOnionispog sounds a bit inconvenient
@@paulpatterson7737 yeah, there isn't any other way that these would be suitable though
This isn’t new, I remember seeing “tyres” like this 20 years ago.
Tyres and brakes are the two things that we seemingly got so damned right early on, they're extremely hard to improve upon. There have been some small improvements, but the base principles are unchanged for both air-filled tires and hydraulic brakes, for around 100 years.
ABS, Discs over drums, pneumatic slave cylinders, hydraulic actuators, carbon ceramic components, the principle of slamming two solid lumps of matter against a spinning mechanism mighht not have changed but brakes have been constantly updated over the last century and only really in the last 30 years or so reached their peak potential, a 100 year old drum braking system is hardly comparable to a pneumatically actuated computer controlled anti lock braking system to the point where they both share commonality but are leagues apart. Its like comparing modern wheel designs to old horse drawn carraiges, yeah theyre both solid circles and hence follow the same design principles but a modern alloy wheel couldnt be any further removed from its wooden ancestors! Same with tyre technology. We neither got them right early on nor stopped improving them so that statement is demonstrably fallacious. Thats like saying two pieces of bread slapped together is the same as a turkey club sandwich. Sure its still two pieces of bread but theres a damn sight more thought, preparation and research going into it that changes the entire concept of what a 'sandwich' can be.
@@GrumpyMunkyGameDesign same story with tires. they're not wagon wheels, and the amount of engineering put into them over the years has added up.
They will need to be shielded on the side I think. If small debris finds its way in the spoke area it will get chewed up fast. Which is why I think if they used a hybrid of new and old they could have these to market faster. But I get wanting to do it this way first. There is a New, and Wow factor that could really get the ball rolling.
I thought of a similar idea twenty years ago but I could not work out some problems as follows: What is going to happen when you are parked in a puddle that freezes ? What happens when your driving in sleet and the spaces fill up with slush?
I'm sure the airless tires would add a great deal of weight and rotating mass, greatly reducing fuel mileage and reducing the life of other components such as wheel bearings, brakes, and suspension parts.
maybe, maybe not. If it takes the same amount of rubber to make the walls strong enough to be pressurized and handle the spikes during impacts then the overall weight wouldn't change much at all, they also don't need the steel mesh apparently so that would save a lot of weight too. I think more of the mass looks like it would be closer to the axis of rotation too, which would lessen the impact but I have literally no way to make any measurements meaningfully.
@@jypsridic The finished product would need sidewalls too as cars are driven through mud and snow which would greatly throw off the balance. I'd imagine it would need a belt of some sort to keep it round without getting wonky, or splitting between the supprt columns. The inability to regulate the stiffness would bring on another layer of issues such as bad fuel economy or traction. I'm not against the idea but fear that it creates more issues than it solves.
@@deputydillhole if they attached it at the outer and inner rims I don't think it would be a major issue.
I think the ideal will be pressurized chambers that have enough rubber to be structurally sound but use air for most of the shock dampening but where like 15 of the cells could get damaged without noticing the difference.
@@jypsridic I agree that a hybrid would be more ideal but kind of defeat the purpose.
@@deputydillhole they'd be low enough pressure to not blow out, rigid enough from the rubber to not go flat, bouncy enough from the air to deal with heat. Losing a cell would just result in a small bump on every rotation, which would be annoying but safe.
From what I've seen they haven't made a definite decision on to use a side wall on these or not So basically they are showing these without the sidewall so you can see what the tire looks like on the "inside"
They already made a decision, they'll have sidewalls
I had the front right tire blow out on my 99 Chevy Lumina at 55mph lol Literally hit 55mph and as soon as I did it blew. Thankfully I was just visiting with my mom and was right in front of her house essentially. There's also a junk yard right across the street from where she lived at the time :p
Did you end up in the junk yard?
@@christhirion9474 It did eventually. Thankfully that day the junk yard owner only supplied a jack 😋
you can't let any spokes open. dirt will get into the shape and unbalance the whole wheel while driving, they need walls to avoid that.
I imagine that these tires will be perfect for buses. They generally stay under 60 MPH (~96.5 KPH), don't take tight corners at speed, and would favor reliability and efficiency above most everything else. On-site vehicles, such as dump trucks, would probably also really like them.
Tyre
@@Chris-nn3vu Both "tire" and "tyre" are acceptable spellings...I'm using the American spelling as I'm American.
@@HaydenX its refreshing to see grammar pedantic arseholes exist everywhere and not just NA tho 😂
I remember a big marketing point for these when I was a kid (in the 90s) was that the tires were being developed primarily for use in countries where it's harder to get tires/get them serviced in order to help the populations there.
Incredibly informative. I've been curious about this. Thank you
Misleading title.
Agreed, should have been titled “Why airless tires don’t work (for now)” or something
It's called clickbait
I briefly contemplated airless tires for my bike but in addition to being insanely expensive compared to tubes they also have very limited lifespan because all the force goes into one part of it and are much less efficient.
Tyres
I would be more interested to know how they perform on snow, how well they go once full of snow and ice?
I was excited when I first heard about it, then again it is literally reinventing the wheel. Safety and economy are going to be paramount but there is plenty of motivation for manufacturers to solve the challenges.
Slamming the brakes and watching the tires flex would be cool
I wonder if they would be more useful for your average work truck as they are typically not going to experience the same extremes a sports car does. Although, the base weight difference could put the same forces on the tire at lower speeds bringing us back to the same current issues. Interesting and exciting concept though, and would be nice for your general construction vehicles that encounter more destructive debris than a road car.
I'm definitely excited to see these hit production, if they're ever as good as normal tires in all weather situations then I'd pay heaps more for something that can't explode if I run over a big piece of metal
anything can explode if you run over a particularly spicy chunk of metal
The stuff at the end makes me realise that heating would be an entirely different game with these. You wouldn't have a captive bit of air and could design ventilation right into the tires, though the greater stiffness may increase wear.
What about off-road tires? They need to be stiff for paved road & fuel efficiency, but soft flat for off-road gravel, sand or rocky terain. Air filled tires allows that with a simple airpump, with the spokes tires you'll be able to cover the threads with wider layer, but the stiffness will remain .
These have been available on industrial machines for quite the while. The problem with passenger cars is that, aside from weight and unbalancing issues in extreme temperature swings, the things had a hard time staying together at highway speed. They would make an amazing off-road tire though, which is one place they should be implemented already.
They would likely need coverings for off road use. Imagine mud getting stuck in those. Good luck, schmukos.
@@invidatauro8922 They bounce and flex enough that it wouldn't be any worse than when it gets packed in between the treads. Most of the time you're not going that fast to where it would be a problem, and it washes out in the next water/mud bog pretty easy. I'd take that over worrying about flats from rocks and tree roots.
Funnily enough in the year or so since my original comment, they have started rolling out in more useful tire sizes. $900 per tire, and that's the Starting point! 👀
@@C-M-E 900 FUCKING BUCKS!?
@@invidatauro8922 Yeah, they're not cheap, and that's not even for a good size tire! Last I saw, it was a 31 inch more or less standard commuter size.
@@C-M-E FUCK that! Jesus H.
I really want to see this tire in a moose test. We only see it roll forward we don't see it turn.
My concern is how well they’d last in a skid, summernats and rockynats tracks eat them tires up quick! Maybe you could exchange them reforming things for a bit more tread
It's going to be many times more than a standard tyre because of the rim. I think there will be huge problems with the constant deformation of the structure that may seriously affect lifespan and performance over time, as the material degrades.
I watched the whole video and still don't know why airless tires suck, great.
People are missing the real reason these will never work: They use around the same amount of rubber as a regular tire, and they are also subject to the same EOL reason as regular tires, which is the rubber aging and the oil in it drying out. So it's a tire that is more complex to create, obviously costs more, but doesn't technically have any more longevity. Sure, you won't get a flat, but that isn't a massive issue, because by the time you do get a flat most of the time it's because your tires have aged into EOL. Then there's the glaring issue of the gaps, which will obviously be an issue for debris and weather conditions. Imagine rocks get pulled into those gaps. Imagine snow gets compacted into those gaps, then also turns to ice.
That would also cause more wear and tear, because parking overnight during a blizzard and then not bothering to dig out the snow around the tires, could cause torque to be applied that pulls the tire from the rim, which might not immediately rip it off, but would definitely be putting unnatural stresses on it. These might be better for low weight and low speed applications like with bikes, but even that's a problem because these things generally require very thin tires, which would obviously pose a problem. So there's issues even for low weight and low speed applications due to the difference in tire sizes needed for these applications.
And finally, there comes to other glaring issue: When you park, you're putting a lot of pressure on one spot for a long time, which can obviously cause material to degrade at a different rate. With air tires, the same is kind of true, except since the tire is filled with air, any pressure on the bottom of the tire is equalized by pushing on the rest of the tire internally. With these airless tires, you don't get that. So if you just happen to end up on one area of spokes more than others when you park, that could result in a lot more wear and tear on a specific area, that could ultimately result in the failure of the entire tire.
I love the quality of your channels, keep it up!
How would those work in off road situations? The tires on my truck stay at 75 psi when hauling, but are dropped to 25 when off-roading.
Airless tires would be comparably awful off road. Not only can you not float them “reduce air pressure for more surface area” they will be much heavier as well. Maybe you could buy wider tires to compensate, but it still would be even heavier.
They work pretty good, for full sized trucks I can't speak for, however on ATVs and a side-by-side they perform pretty decent.
It seems like you'd still want some kind of sidewall. Otherwise mud getting between the spokes would impact performance.
I just keep on imagining the contact patch moving sideways in a corner like normal cars but then the weird spokes in the other side stretches to its limit and folds in.
None of the materials exhibited thus far will work equally well in arizona heat and ice and snow in -30 Just give me safe conventional tires and I will keep on truckin!!!
@@marianfunk7395 yup there is a lot more research required to make it to the road
13.Jaron… : I think after 10years of R&D Michelin thoughts about that, don’t you think?
@@franciscouderq1100 idk it just keeps bothering me like if that tyre was drifting and the rubber spokes just lets go or something
They would probably be working on it. 😍
Very cool tech... what I would want is the same technology being used for electric/push/mountain/ road bikes.
You touched on the biggest bonus of them. Michelin has said that the design allows them to tune ride and handling completely independently of each other. So you can have an S-class ride with autocross handling in the same tire. No more compromise.
Thanks for your video and your opinion.
Your perspective seems to be more focussed on track performance. But most “normal” people just need tires for normal conditions.
I drive a Toyota Highlander and I am really looking forward to buy the first available pair of uptis tyres, despite the weight of the car. I really don’t like normal tyres.
these will give you a newfound appreciation for pneumatic tires.
2:51 Vehicle inspections in the USA are incredibly inferior to most other western countries. Not surprised to hear that stat when you see the state of some of the vehicles on the roads in US
It varies by State.
No vehicle inspections in my state for either safety or emissions. It's never had safety inspections (as far as I know), and emissions testing ended last year because new cars are so much cleaner that it became pointless.
Vehicle inspections? What's that? There aren't vehicle inspections in USA, which is why there are so many defective vehicles on the road
Agreed. Tires are used longer than they should be and so they have a higher chance of ending their use with a tire puncture. Also, the roads are sometimes bad too. Causing more cargo or vehicle parts to fall on the road because of bumps and vibrations.
Perhaps, just my personal guess, the conventional air tire that just doesn't go flat quickly when punctured but can last maybe a few hours for the driver to get it replaced. With a help of some sort of tire air pressure sensor, I guess. This might be just good enough.
And also, how often do we get flat tire in our lifetime realistically?
good point; i only popped a tire once on a curb, first car in reverse around a turn.. don't ask. but i've experienced plenty of slow leaks.
3:00 Lol one hole doesn't mean the tire is trash. Plug it and the tire can last the duration until it goes bald. Depends on where the tire got punctured. I've had punctures plugged and the tire lasted a long time.
I'm concerned about the open construction of the tire. Driving through a mud puddle could result in a severely out of balance tire. Are gas stations going to have to have coin operated hoses for people who have mud or rocks in their tires?
You can always make those tires with light screen made out of fiber/plastic/rubber just to protect internal mesh
Gas stations? Remember "Big Brother" wants us all to have electric cars by the 2030s so no gas stations. Just 🔌 plugs in parking lots.
They can still have sidewalls