BiG Problems with project 100mph long jump RC Car
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- เผยแพร่เมื่อ 1 ส.ค. 2020
- See Build Here - • Off Road Speed Car
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Kev! I've got a cool idea you should do: You should build a budget rc car, like less than £70. And make it go as fast as possible, or maybe an rc car from all unused parts in your workshop
Thats impossible for less than £70
If he does the second idea, he would just build a second xmaxx lol
I'm doing a project 100mph for under £150 it's more like £200 but getting there now wltoys 144001 big 3s and brushless
Yea!!
I had that exact same idea! I am doing that with my ECX Amp! You should check out my channel. I am right now researching Lipo batteries.
Make a dead tire montage.
Yessss
Neil’s Workshop yessss
Hey Kev! Have you ever thought about bead lock rims for the 100mph build? Instead of gluing, you can screw lock the tire bead to the rim
Put a small spoiler over the front wheels to keep the front end down.
You need to sand/scuff up the groove on the rim so the glue has more “bite” to the rim. Try that too.
And possibly crosshatch
also make sure you are cleaning the tire rubber gluing surface with acetone or alcohol. I'm not sure if you are still gluing your own belts in the tires but at that speed balance of the tire is important if your belts are causing an out of balance, they'll rip off the rim no matter what you do.
Wouldnt hurt to scuff the tire itself also.
Yep, go round the area to glue with a fine grit sandpaper, exactly what I would suggest Kev, different directions as well, gives the glue more area to hold on
I’m thinking scuffing up the rim where the tire sits to give the glue something to hold on too. Definitely need some down force up front too, to keep it down. Looked awesome at speed though.
True he should put the spoiler in the front. I hit 180 kmpu whit my slash whit the spoiler in the front and it workt perfectlie
Yeah but it won't stay in the air for long with all that down force and how will he win the long jump competition if it won't stay in the air for long
Dale Morton good point, I was thinking more about hitting 100kmh offroad. He could always take it off for the long jump comp.
Good Idea look at this @Kevin Talbot
Very much enjoy your channel! Here are a few things I’d try if this was my project. I’m not sure any of these ideas will work but...1. Beadlock wheels! 2. A less aggressive tire on the rear and maybe even slip the rear diff a little to put a 70/30ish power ratio to the front. Both to help keep the front down. 3. A small front wing to generate some aero downforce. I’ll enjoy watching the evolution of this project. Good luck!!
Hi, I was wondering, if adding downforce to the front, will it not dig itself down even more into the grass?
Take the wing off the back . I got a 4s mega conversion that does 70 mph on a 20T pinion . The wing is lifting the front. Good luck
the wing is flat its not giving any downforce
Even if there's no downforce, the turbulence that develops at such a high speed around an off-road wing will create a lot of drag. Since that drag is above the ground where the thrust is generated, it will lift the front wheels up.
Best Kev, you should try bigger tires!
Bigger tires means less rpm on the wheels for a given speed compared to a smaller tire. That combined with a bigger radius means that the tire will get less centrifugal force, and thereof not break as easyly.
You should try truggy tires for example. Lower profile tires would be better than larger profile tires too. And if you skip the foam inserts, the centrifugal forces between the rim and the tire will be smaller too.
(I'm a mechanical engineer).
Love the videos Kev keep up the amazing work can’t wait for paddles worth long jump
I am continually amazed at your tear down and rebuild skills. Could be my infancy to this hobby or could be editing. Either way your vids are thoroughly enjoyable to watch. Cheers from Canada 🇨🇦
I've got some of those wheel and tyre combos I can lend you at paddlesworth if it helps mate?
Hey Kev, love your content been watching your channel for years, just a thought to what must people are saying to rough up wheel and tyre but also drill small holes in the dish side of wheel so you can cross over your fishing line to support tyre on both sides 👍
My tip, and it somwthing ive been doing for the past decades. Allways sand the rim, and tire ( rotating sand drum,dremel rough one ) , clean with brakecleaner, and i allways allways use the pinoneer in CA, the Loctite 406, thats my tip. Godluck Kev, can bearly wait to the 100mph mark been crushed ❤❤❤
I have always found it tricky to re-glue tires effectively, especially on old rims... What helps a lot is after I am done I lay the wheels down and run an extra bead or two (or three!) of glue right along the edges of the rims on both sides where they meet the tires. Helps the tires keep their proper shape and adds another point of adhesion to increase the overall strength. If you do it right and fill in the whole gap and then some you will tear a sidewall before the tire comes off. It can be a bit messy-looking depending how careful you are, but it works.
Having problems is what keeps the hobby interesting. Hope you get to your goal. 👍👍
Kev, been watching Your live streams. Your a good man to try and respond to as many questions and comments as You can. Have a blast at Paddlesworth !!!
You really smashed up that front end
Brilliant project Kev. Jeeeez, when ye hit that curb.. Nooooooooooo.. Great to see the fix and that chassis is bad ass.
Man you know your stuff on them Rc’s you make it look easy, great job 👍👍
Hi Kev, love your Videos! If I were you I would lightly sand down the inside of the wheel rims before you glue the tyres back on.
Good luck.
kevin you are my motivation to keep fixing my vxl rustler that goes 91 on grass and breaks every time
fishing line on every groove not just 2, take tyres off, clean with solvents, use sand paper to key both edges first (tyres and rims) then you want a rubber cement of some kind, do it properly, the rubber will break before the joint.
I would never thought you were into rc's... i subbed to you for zombies...lol..
Try attaching the tires with shoe goo! That’s what I always do and it works great.
I think the problem with that is it would be difficult to get a good balance on the wheels with shoe goo. At lower speeds, maybe not a big deal, but at 80-100mph, they may self-destruct.
Same here... the tyre would tare b4 it let go on the rim..
Kevin! Try to do some extra prep with some sandpaper on the wheel itself and the tire then clean up the debris and glue it again should completely take care of your issue of realeasing glue
Maybe you need to soften the centre diff up a little to stop the front lifting as much.
Also, I want to thank you for giving me back my love for rc with you channel. I have been caught up in all the crap surrounding racing that it stopped being fun, watching your videos has reminded me that it's all about putting a smile on my face, not about being frustrated.
Cheers dude!
Nice to see you (finally) rocking some properly powerful lipos..! ;-) Those Graphene Panthers pack a mighty punch, wouldn't you say Kev?
I like your edited wrenching videos.👍 Keep this sort of videos going.
You could use proline short course tires on beadlocks, they won't get off as easy as glued ones get.
Also, they are smaller, so you will get less clearance and a lower cog, and your car will be less likely to wheelie
Ligit belted and a bit wider tires=perfection
I love the project car builds kev
5:32 Kevin, roughin up the rims with sand paper to give the glue a good surface to bite into
You need a taller tire. You have to much resistance dragging across the grass.
Screw:doesn't come out
Kev:🔥🔥🔥🔥
Great fun as ever Kevin!
Maybe sand down the rims with some 180 grit sandpaper to get the glue to grip better
I love the vids kevin keep up the good work u inspired me of getting a armored Kraton 8s
Maybe go up on tire size to give you more roll out just a thought. I think you have so much torque on your mid to upper rpm range is why the tires are blowing off on you so maybe a larger diameter tire will solve the problem. Plus prep and cleaning of both the new tires and wheels before mounting. Maybe try bead locks find some light weight aluminum type. Wish I could help more Kevin keep up what your doing I enjoy almost all of your videos.
kev hit wheel an bead on tire with some steel wool then use a thin ca glue it will flow nicely across the whole bead great build by the way
Great vid Kev even tho the tires sucked
But still made my day
I love your vids they help me with my build.
Hey kevin I had an idea for the car rivet the tires to the wheels and put high density foam inside them then twist metal wire around the tires that should keep them from expanding and keep them on the rims give it a try and see if it works if that doesn't work then try beedlock crawler tires with foam
Always enjoy watching ur videos
I agree with Pablo668 roughing the wheels, also you may try taller tire wheel combo for more speed.
Might have to add weights to the front Kev. Sand glue off tires and scuff, also scuff the rubber az well. Don't give up you got this bud👍👍🤟
Use the bucket soak with acetone on those tires and let them dry for a bit before you try and glue again, they have probably absorbed water and it's getting worked out when you drive it, hydraulically forcing the glue bond to break on a tiny level. The acetone will replace the water and then fully evaporate like the water can't, you could also try heating them up in a toaster oven around 120 for an hour
Oh no I love your channel Kevin keep it up my favorite traxxas rc car is the rustler 2wd anyways I love the videos and share them with my rc friends and they love it aswell keep it up❤️
PL construction adhesive it's worth a shot..holds my walls together lol...and a certain light bar on my bumper
When you boil tires off it only softens the rubber it dont dissolve the glue. Try lightly sanding the rims where the glue goes to get rid of the old and it will give it a rougher surface to adhere to. Good luck Kev. Almost there
Love the vid kev keep up the good work 👍
Hey Kev you should really try to get a hold of a cyanoacrylate superglue like some e6000 clean it up really good and a glue like that should literally weld the rubber to the plaatic. I would almost guess that if you pulled the tire apart it would rip the tire before the bead came off.
You got this kev!! We believe in you
Put a big ol bumper blade on there!! One thats not too low to the ground or angled up
Sand the rim and the tyre bead, so the glue has something to old onto. I’d also consider gluing the foam inserts to the wheel, to help preventing them from ballooning and putting excess stress on the glue that’s holding the tyre to the rim 💁🏽♂️ Best Of Luck 🤞
I think you need to try a front wing.
Thicker front diff oil.
Can you get beadlock rims in buggy size?
Try gluing a circular piece to the wheel face and tyre sidewall.
Try using a dremel to scuff the bead and tyre before gluing.
Maybe over drive the front diff like in our crawlers.
Try some 120 grit sandpaper on the contact surfaces of the wheels and rims before glueing. Get them nice and scuffed. The glue will hold better.👍🏻
Always waiting for your videos
It’s been awhile since I’ve done anything with RC but the centrifugal force that gets created between the tire and the room when you’re going that fast, that would explain why they keep coming unglued. Most glues (I believe) will let go when the get hot enough. If one is available try a good hi temperature glue. Aside from centrifugal force you also have heat being generated.
1. Don't forget that if you have a foam inner in the tyre as well it's going to expand with the higher wheel speed. Putting more pressure on the glued outer.
2. What about putting a wing on the front shock mounts to keep the nose from lifting?
3. Final point. I noticed that every time the wheels lift off the ground is when you get the most tyre expansion. Check the video, the moment the car lifts a wheel, the tyre loses shape.Maybe the secret to get the speed run, is to keep them on the ground. ie Stop lifting tyres
You could use some sandpaper and go over the wheel and the rubber and then reglue it👍 That will may help you. It helps with normal glueing, not sure if it does help for those tires.
Hey kev I had an old short course truck and I put a stupidly over powered engine in it the engine could go up to 6s but the speed controler could only go up to 4s so I ran it on that on grass it hit 70mph but every month I had to replace all the diffs
you need some sort of aero on the front to keep the wheels down and get some Pro-Line Trencher pre installed and belted!
gluing tires!!! make sure you clean both the tire and the rim (i use rubbing alcohol). you might need to use sandpaper or something to get the old crap off the rim and tire before cleaning them. sometimes if your tire glue is old or been in too much heat it won't stick as good... it usually looks kinda cloudy when it's bad (in the US my best luck is AKA tire glue).
Beadlocks? Not just for off-road....any big tire drag car uses them.
I was wondering the same but I don't know if there's a beadlock wheel that size (can't be bothered to look), plus beadlocks are heavier & have more rotational mass. I thought perhaps epoxy instead of superglue.
Exactly what I keep thinking every single time!!!! He's gonna have to manufacture some bead locks because the terrain is just ripping them off at that speed. I don't see any other way to do it
It's really not the terrain. That pales in comparison to the centrifugal forces of the insane wheel speeds. Full-sized off road trucks and drag cars use beadlocks mainly because they use low air pressures in the tires to increase contact patch and grip. Well, drag cars also do it to use the spring like action of wrinkle wall slicks, and insane wheel speeds also. This is a decent analog of use case.
I used this glue on my competition buggy some years ago and this is so strong that it would rip off next to the gleu.
Hope it helps.
Greetings from wim
Clean em up really good again and try a different glue solution and perhaps do the fish wire on them too.
Damn, I feel frustrated for you. All the hard work you've put in, you definitely deserve to win paddles worth 🤞.
Aquaslip Water proof marine grease...... I see you Kev!! Going to buy some today
Love you videos keep it up!!!
Replace the order-nary fishing line with braid fishing line super glue will stick better as it can absorb the glue try lowering the car at the back so that it loses a bit traction when you pop the wheelie keep up with the work THANXXX
I usually use a adhesive for model airplane tires for faster cars or something that melts and bonds the two pieces together like model car glue or you might want to check ( belted tires for RC ) those resist ballooning I don't know if they will work on your model but it is various styles to choose from
Hi Kev great vid try removing the wing, as your not cornering the wing is not needed, when it reaches a certain speed the wing will be causing you more drag slowing it down. Possibly try to make the front tyres a lot thinner than the rears if that’s possible. Al large best dude.
Can't you get beadlocks for the Typhon Kevin? Look forward to seeing next chapter of this story. 👍
Kev
I have a high speed truck .
Same issue with wheelies.
Buy another rear wing and mount it on the front nose fir down force like a formula car ? ... helped mine 👍
Should bring old blanket or something for that curb for that high speed parking lot lol drag racing is so fun
You Need Some GRP Belted Tires! They Rock!
Perhaps you could find some braided fishing line (instead of monofilament) and drill approximately 10 holes in the rim and “lace” the tire to the rim. After “lacing the tire” you could then apply the fishing line around the tire in the manner that you have been doing. I believe you will find braided fishing line much easier than monofilament to work with.
I addicted your videos
Use AKA Tires tire glue. Its by far the absolute end all be all solution for the super glue world. I use it on everything from it's intended use of glueing up rc car tires to plastic modeling to automotive use . Infact a fella came into my shop with a cut tire on his ford f250 truck. We used the aka tire glue on it , let the glue set for 10 minutes aired up the tire to 50psi and he was able to drive the 35 miles home without loosing air. I have also reglued broken parts over and over with the aka that was originally glued with another brand and the aka is still holding.
Kevin use ic-2000 glue. Also scuff the rim a little so the glue has a better bite. And throw a 46 spur in it
The turning panther graphene packs are awesome batteries
You should look into rc crawler wheels. They are metal beadlocks. That would keep the tires from coming off, and add a little bit of weight so it wouldn't wheely so much. Then you could get grip and go faster.
Jason Dearden answered a question about selling Hoons (?) tires and rims separately. He said " no they are too difficult to glue properly and safely". So I guess it could be a similar issue with the Proline you are using.
Have you tried to dial in the ESC at all? I would turn the punch down and add timing if you can on that ESC. The punch will help with pulling the front wheels and timing can add speed where it's needed. You can also add some weight to the front to try and help keep the front wheels down. It was common place to add a pound or two to the front of Modded X01s
You are one funny dude. I love the music you use on your videos 😃🎶.
You’ll do it Kev don’t give up innit
Hi Kev. Just a suggestion give contact foam 1/8 buggy wheels a go on grass.
I've hit 44.8mph with them on 3s on grass so far with my HoBao hyper vs.
If u wanna glue tyres well silicon adhesive works well
Use sicker 11 fc that’s what I used and it still hasn’t blown off the rim
Tires always never stay glued once you rip them off. The acetone could still be in the pores of the plastic and dissolving the glue as well
Wonderful video, if you don’t mind me asking what kinda grease was that you used on the ring and pinion gear. Thank ya kindly
that the air brake wing off the back. every see a land speed car with a downforce wing?
Kev try pratly steel to glue the wheels
I’ve had lots of 8th scale tires come unglued mostly because I didn’t do a thorough enough job of cleaning the bead. And once they come unglued once it’s hard to keep the tires on the rim because every time they come unglued you have to dremel off all the dried glue off the bead and rubber that’s still stuck to the rim. But I agree you would be better off starting over. I’m also thinking it’s because you’re using more power than those tires can handle
Hey, Kev maybe you could somehow screw these tires on the rims. Maybe in a way the srews act as spikes...
lol I had the same idea. Just think how it would make the zombies scatter.
This isnt a bad idea, they small self tappers through the tyre into the wheel. You'll need to balance them after but you should be doing that anyway for the speeds you're trying to reach.
(!) Don't try this. At extreme high speeds the screws might come off as deadly projectiles going up to double of the car speed. The thin rim is not enough to hold up to these scews' centrifugal forces.
New subscriber kevin, your so awesome😊
Yo Kev
Your a legend
Kev try the belted tires on it if you keep having problems
Don’t worry Kevin I subscribed and smashed the bell
Kev get some sikaflex 221 or tiger seal to bond the tyres on
Make sure you let it go off properly (24hrs) and be careful as it’s messy and a nightmare to get off
The tyres won’t come off trust me 😂👍🏻
i reckon that you need to make some sort of off road wheelie bar and a windsplitter for the front to keep the front down