An Engineering Analysis of the Tesla Cybertruck
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- เผยแพร่เมื่อ 22 พ.ค. 2024
- Sandy delves deep into the details about the specs of the Tesla Cybertruck.
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#tesla #cybertruck - ยานยนต์และพาหนะ
Almost 400k subscribers Sandy! Remember when Munro (Cory) started this channel and you didn't think you could change anything? Look at you now! All your work paid off! Respectfully, Mathew
What makes this old guy makeing boring videos so special?
When Cory suggested you-tube ….
He did chsnge ONE thing...when he toasted the old Ford Fiesta for being a junker with cast suspension subframes, he was right. When he changed his tune after getting paid off by Tesla, he lost all that credibility.
@@billcichoke2534lol
@@billcichoke2534 I disagree. Sandy is so into good engineering, he is infatuated with Tesla. I feel sure that the castings made by Tesla are a whole other level above what troubled those old Fiestas you're referencing.
I’m most excited for the industry to follow 48v.
Aptera would if it was commoditizes already. As their ceo said in a tailosive ev video
Why? Not why is 48v good but why do you care if other automakers do it?
@@FriedChairs lighter and cheaper vehicle no matter is EV or ICEV.
@@FriedChairsuntil other automakers move to 48v, commodity parts will not move to 48v. Until that happens, all the 48v parts will be more expensive.
48V is all nice but that doesn’t negate the fact that the Cybertruck spare tire will take up more than 1/3 of the bed and the range extender another 1/3. Meanwhile Rivian figured out how to pack in 149 kWh of battery under the truck and the spare tire under the bed …
I remember machining a variety of stainless from a Stainless steel manufacturer. The variety and machinability differences was news to me. From soft like cold rolled steel to stuff that would wear down carbide tooling in a few small passes. What a difference between grades.
You better know the difference before quoting a job ...lol.
There are 57 common types of stainless steel, some magnetic, some not.
man, when i watch these tesla videos, i'm just reminded of the boomers who for decades completely over-engineered everything I deal with at work for 40 hours a week hahaha
All that weight saving in the wiring really helped it getting up a dusty hill when it weighs nearly 4 tonnes lol
yeah,, good ol' percentages against lbs/ounces ;)
About the same as my 2010 f250 4x4. The tesla has a lot more towing capacity and power.
Thank you sandy and your editing staff for all of the Cybertruck videos! Also please interview Jason from Hagerty who was extremely impressed with the Cybertruck engineering.
Jason has an engineering degree. He and Sandy would be great together.
Lol....... Impressed by the 0-60 totally useless in picking up truck sector because even a 90hp super old Toyota Hilux is more capable than that crap.
Sandy is back in his element-explaining engineering concepts to the “layman.” Thanks for another class at Munro U.
@@alanmay7929Care to elaborate?
@@lemongavineI’m not sure he earned a degree, heard him say 3 1/2 years into mechanical engineering degree, but close enough
My 2009 Renault Laguna GT 205 has steer by wire on the rear axle. Sensational to drive. The rear wheels steer opposite to the fronts up to 60kph and the same as the front over 60kph. The latter makes emergency lane changes at high spped safer as it reduces the rotational forces of sudden steering that occurs in 2 wheel steer cars, so the car is less likely to spin. And the former is super in roundabouts and multistorey car parks.
Interesting the abs & stability control computer communicates with the rear wheel steer ECU. One time i hit ice on one side of the car going down a hill, so the car started to rotate into a slide. As a confident driver my brain said no problem lets steer into the skid, but before my grey matter sent the signal to my arms, the rear wheel steering was sent a signal by the stability control system (ESC) system to counter steer and the car straightened up by itself, and i could feel that the correction happened at the rear. It was very impressive.
Well done Teslas on the 48v, 4 WS & Martensitic stainless steel.
The CT behaves the same.
Cool info.
'My 2009 Renault Laguna GT 205 has steer by wire on the rear axle.'
Thanks for the information.
As it is still working and seems not to have had problems, these are good news.
Here is the 4WS Laguna GT beating a 3.2 litre Porch Boxster S in the Elk/Moose test
th-cam.com/video/QaTnd3ozcaE/w-d-xo.htmlsi=I8_budhpUS04Jp4w
So it’s ancient technology instead of a brand new rocket science invention? Hear, hear.
Another exciting thing about steer-by-wire that I haven't really heard anyone talk about yet is the possible befits it could have with handicapped and limited mobility drivers/customers. You could change the sensitivity so the user doesn't have to move their arm/limb as much to maneuver the vehicle. You could also theoretically tap into the electronics with an aftermarket steering device that could enable steering from a different source other than the steering wheel. This would be particularly beneficial for armless individuals.
Totally great idea.
Musk owns Neurolink, so I assume when that comes out it would allow a quadriplegic to drive a Cybertruck. But when Tesla reaches autonomous driving level five it will also mean that a person doesn’t have to drive the car at all. That will allow blind people, quadriplegics, people with motor control challenges and so on to get or summon a Tesla and go anywhere they want.
@@tribalypredisposed That would be what I call "Jonny Cab" level of FSD.
@@grahammonk8013 Except that we wouldn't need an obnoxious manikin taking up room in the driver's seat.
Being blind, I'm looking forward to level 5 FSD.
Wow great idea!
Another great piece of your knowledge spreading. Because teachers like you, I am where I am now in my life. Thank you for your passion and knowledge Sandy. Greetings from Poland.
great comment ❤
He is the most entertaining Tesla fanboy for sure.
Best Sandy Munroe video EVER! Sandy is an excellant teacher - I hope there are more videos like this that go a step beyond, addressing science/technology rarely discussed in EV and Cybertruck discussions and forums. Watched it twice, off to the Munroe Live Store...
304 stainless is an austenitic steel 18.5% chromium, 8.2% nickel with excellent ductility and suitable for deep draw. Think of the steel used to make a kitchen sink. 304DDQ ups the nickel to 9% and has improved formability at a slight decrease in tensile strength from 650 to 630 MPa. Galling needs to be mitigated when drawing stainless and is accomplished with a high viscosity oil lube or applying PVC film during pressing. The nickel is what is responsible for making the stainless weakly magnetic.
Sandy hinted at something interesting, suggesting that the stainless is being work hardened by drawing. It would be interesting to know more about what is going on, but that is probably the secret sauce which gives the material the desired hardness but retains sufficient ductility to be formed as required.
It's formed with a gigantic multi-hundred ton press that's face is protected by injecting high pressure air between the tool and the sheet metal. The material arrives hardened and is formed in that state. Not sure why? Could just form annealed metal and heat it up. Maybe in a microwave for kicks.
@@jj4791 Thank you for supplying the correct information, much appreciated. It is interesting to see high pressure air being used as the protective fluid.
Thank you! I learn something every time.
Thank you Sandy! I live in BC , Canada. You give great analysis of the EV Revolution. It’s an exciting time.
Glad to hear Sandy not coughing and all that from the start of all these videos. Not that I would stop watching but I'm sure it wasn't fun for him to deal with. As always, your videos and comments are priceless. Nice job Sandy and Munro team!
I take an occasional teaspoon of Thyme to help with a nagging cough
@@dewiz9596Thyme will tell.
I don't know the deal, but some medications cause that.
Unfortunately, Sandy spent most of his life around Detroit. DTE Energy's carbon-burning power station scheduled close in 2035: its egregious, lung-destroying output spreads west toxifying air for humans and animals in Ontario - another 12 years of this toxic ****
@@Bradimus1 So does 74 years of breathing polluted air.
This was a really good video. Before watching this video I had no clue what austenitic vs. martensitic steel was. Now I understand that a bit more. Thank you for your analysis!
I have to say, people don't seem to realize just how much better stainless steel is compared to regular steel. Stainless steel has chromium in it, and nickel. Stainless steel is constantly using the chromium to block oxygen from reaching the iron, so it cannot rust, and thus lasts forever. Normal rain and road salt conditions aren't nearly strong enough to have any effect whatsoever on stainless, provided that the vehicle is kept clean.
Contrast that with regular steel. If you expose a steel car body to the humidity in the air, it begins to rust within 24 hours, and in a few weeks will have a very visible rust coating. Bare steel rusts so fast, it literally begins to rust overnight while you're sleeping. Now imagine having a stainless steel car that lasts 500 years, instead of 20 years...
This is a HUGE deal, because it's the first time in our lives where they have allowed the public to have something that lasts forever and doesn't have "planned obsolescence." Only the Ford Model T and the Dolorean and some aluminum bodied vehicles, have been immune to corrosion.
All other vehicles sold in the last 100 years have been engineered to rust and turn to dust as you drive them--quite literally. You can look at any 1980's Toyota or Datsun, and they aren't even safe to drive, because the steel frame and body is so rusted. The trucks from the 1960's, 1970's, and 1980's aren't on the roads anymore--because they too have turned to dust.
For a big company to make a vehicle that can never corrode and never dissolve over time, is one of the biggest things in automotive history. It's unprecedented. It's like being given a light bulb that literally lasts for your entire life. This is the first time a company has been willing to offer something that can last forever.
@starseeddeluxe Stainless steel will rust. Just not as quickly as other steel.
really depends on the grade of s/s. some s/s products coming from a certain manufacturing giant in asia will quite happily rust if exposed to oxidising iron particles @@starseeddeluxe
@@starseeddeluxe
One Other Detail, Aluminum Oxidizes. ( Rust, Only Happens to Iron. ) 100 % Pure Aluminum is The The Slowest to Oxidize, """ BUT """ Has The Hardness & Strength of Peanut Butter That's Why It's Alloyed with other Metals Copper Being the Most Common, But There's About 10'ish Common one's used in Different %. " But " When Alloyed It corrodes much worse. that's why aluminum always has to be coated, or painted to prevent corrosion. Aluminum Oxidizdation is That White Chalky Powdery Substance. " AkA " The White Death. The Same Thing With Magnesium.
P.S. But Besides That I Agree With You.
Great it will last forever!! That should be the talking point correct? Same as the DeLorean right! Why is it so important that it be bullet proof? Or even need to be hardened? Seems like BS to me. Plus your already 20,000 over in cost from what you had stated the cost was going to be. Seems like added cost with really no added benefit to the normal user.
Thank You Mr. Munro. I hope I will have one of those in the future.
As always awesome job, Sandy! So informative. I watched you walk through and interview
Never thought I’d see the return of ring networks - but here we are 😂
Still common in automation
Going from 12v to 48v and from CAN-Bus to ethernet probably explains why the car is so light and inexpensive.
I should also say; knowing my martinsitic stainless steel clad car will stop the majority of bullets that are fired at me on my weekday commute will give me much overdue respite.
I greatly look forward to saving the planet with this absolute marvel of technology. It's amazing.... you just get in and drive from where you are to somewhere else e.g. home to work and of course visa versa.... what an age of wonder we live in. Wow.... no really WWwwoooowww. I didn't think it was possible for life to get any better but here we are.
I wonder how many people won't catch the sarcasm in your comment. Nicely done 👍
😂
😆
Woow , I just admire on the insight you have provided although I like my 1980 Lincoln which I use to drive from Point A to B, it is hot and cold sometimes and it's not so comfartable but it does the trick. Advancements in tehnology are so boring and irrelevant and that steer by wire Like we need it for something really.. Like all the New tehnology is worhless..
Is that you Grok?
Thanks for all your hard work
Excellent video, Sandy at his best!
Love the way you are putting things in perspective. Thank you for sharing the latest engineering EV wonders. The Cybertruck is making the difference. Greetings from Europe BE Sandy!
THANKS TO THE MUNRO TEAM,🤗 ABSOLUTELY 💯 WORTH WAITING FOR…AND SANDY’s CLEAR EXPLANATION IS 👍 TOP NOTCH 🤗💚💚💚
sandy is a legend, I'm just a few hundred subscribers back than I feel glad to know this channel. thanks
Superbly informative Video Sandy. I know I am far from alone in appreciating your observations, analysis and insights.
All I can say is,
Thank You
Love how an extremely knowledgeable person can share his expertise on his own platform, so to speak.
I love this technical analysis!
Sandy you rock, thanks for the knowledge you share, love from the UK
Sandy Munro has such a vast knowledge base and understanding of systems and structures, which leads to the information he presents being in-depth and well beyond the understanding of most people - those who do not have the knowledge-base to understand this information are left wondering what Sandy's excitement (well disguised by his matter-of-fact style of presentation) is all about, and therefore such information goes right over their heads (like a joke the audience doesn't get) - to those fortunate enough to understand what Sandy is talking about, his presentations are a sea of knowledge that is a pleasure to swim in...
Heh "well disguised" 🙂
Important to highlight: using a network ring topology you also get redundancy in each individual node and therefore in all functions. In the old star configuration, the fail of virtually any cable creates an issue on that function
Thank you for the videos and your insight.
Super interesting! Thanks Sandy and team.
Fascinating report. Please continue.
Fascinating presentation 😮 Keep up the amazing analysis.
Another great job. Thanks.
Thanks so much for invaluable video about 48V architecture.
I love seeing Sandy when he's excited!!
You have to say it, Sandy! "Holy Mackerel!". 🤣🤣
Great meeting you in Austin.
Looks like they may be using generative design in their castings now, mimicking nature. Next level!
Biomemetic is where it's at. Zinger, merc and others already use it for 3d printed automotive parts.
Have learned a ton on the channel. Great information overall
Great insights, thank you very much
Wow awesome video and feels like you just scratched the surface of the bottomless pit of advanced engineering going on with this company. The bullet proof for me is a great gimic and awesome for famous people or security companies, but stainless steel where I live in northern Canada with endless amount of salty roads eating cars like candy sounds pretty darn good. Also the powering of home is why i watched your compatriots do strip down reviews of ford lightning so having another option for when ice tears down power lines sounds good also. Now I hear Elon has shared 48 volt architecture with Ford. 👍
Excellent job, Sandy. No throat clearing once if I'm not mistaken. Exciting tech, thanks for highlighting 🎉
11:29 ?
Loved this breakdown. Thank you.
*DEcoiler
& The flowy structure of the castings is referred to in 3D modeling as "Generative Design". The forces acting on the part are defined & the structure is then "generated" to optimize material usage or manufacturing processes.
why the hell wasn't this type of discussion done during the Elon meet part deux? this would have been right up his alley and a more enjoyable discussion.
Can't wait to see my first one up close and personal...We love Tesla, just purchased our second one recently!
Thank goodness for the MUNRO😊
Very interesting video Sandy. Thanks
Another great benefit of steer-by-wire is that its very minimal deaign difference betwee LHD and RHD markets. You could even have a driver's ed car with both retrogitted easily. Or just no steering wheel at all
Yes, but it won't come to UK, and not planned for Australia, so it's unlikely we will see a rhd version.
Sandy, these videos you are doing about the Cybertruck are really good, mate!
Thanks Sandy and the crew.
Great video, thanks! I’ve learned something new 😮
Interested to know more about the new wiring harness. I’m skeptical about the “weight savings” not actually just being “manufacturing cost savings”.
Especially seeing as how weight is clearly not very important with those thick steel panels glued on to the body
48v is good, they can do more like this, and simplify a lot of things, the problem is , they will engineer everything in a way, if something goes out, you will need to change the entire controller.... and make it impossible to do it easy, and will cost as much as a car. This is the problem with 48v... they can integrate everything in one controller, and localize communication for everything , if they do it the right way so it can be repaired , and things that go out can be changed without changing the entire controller, it will be a good thing, but everyone knows what will they do, you will need to change entire controllers for simple things, so the only thing this will resolve is like you said manufacturing cost savings, and after everything else will be at sky high prices to repair because you will need to change entire controllers and pay a ton of money for them to program it on your car, because the only ones who can do it is the dealers because you can only do it online and with their permission... so it will be a nightmare probably:) There is a reason i will stop repairing cars after some years in the future, because i don't see a future where i want to waste my time on these new cars.
@@UmbraWeiss This is my hunch . I’ve never worked in automotive but I do know that this “ether loop” stuff is nothing new . If manufacturers are opting to NOT go with the cheaper implementation. Must be good reason for it. Just from a physics perspective it seems like a nightmare .
Very curious to see how these harnesses hold up (my guess is not very good).
@@jonathanruiz8723 Anyone who's dealt with large companies knows that half the reason is corporate inertia. I mean half the reason the vehicle "chip shortage" lasted as long as it did was because companies refused to pay to have chips made using processes newer than a decade certified. No one is creating new machines or spinning up new lines for obsolete technology!
@@arthurmoore9488 I avoid dealing with suits as much as i can so I’m not sure what you are trying to say .
Forgive me if I’m wrong but to me this reads like corpo speak for “yes ,the choice was made to save on manufacturing costs, likely at the detriment of the product”.
The 48V has been used a couple of years now, mostly for hybrid systems and other high power users. It is new to convert everything to 48V, but something like 30 DC-DC converters are needed for things like cameras, dashboard, lighting, sensors and computers, those DC-DC converters are going to eat up some of the 48V benefit.
Talking about weight benefits of 48V sounds weird when the panels of the truck is made from very inefficient thick and heavy steel, compared to any other car or truck.
Just 0.5mm extra thickness of the body panels adds up to something like 70kg / 150 pounds, for countries where "bullet proofing" is not needed, that is a lot of dead weight to carry around.
I guess they've got to keep the steel thick enough to suppress the drumming of the flat panels
@@pedtrog6443 Did not think of that, but very much possible.
They could have done it more elegantly but yes.
A 48 to 12DC buck converter is simple and cheap. They will be only be used where Tesla uses a device is designed for 12V power. For example, POE cameras are powered at 48V. Tesla manufactures their own actuators using 48V or gets them from suppliers when high volumes justify their manufacture. Moving weight from wiring harnesses to body panels has the benefit of increasing dent and corrosion resistance while allowing for higher power transmission.
@@MsAjax409 Why not keep the body panels industry standard and install 100kg extra battery instead?
Panel thickness does not matter when talking surface corrosion resistance, only if you let the panel rust and look like crap for multiple years, does thickness make a difference.
Also the non stainless parts like suspension arms (Tesla weakspot already) are going to rust away long before the body panels, so the car may end up being the shiniest car on the scrapyard.
@@larsjrgensen5975 The SS panels have been reduced to 1.8 mm for the doors and 1.4 mm for other panels. They were made martensitic (harder) to retain dent resistance. Given that there's roughly 100 sqft of SS on Cybertruck with an average thickness of about 1.6 mm, reducing to 0.9 mm (@ 1.5 lbs/sf) would save about 116 lbs. That's the equivalent of a battery pack of less than 20 kWh. At 0.4 kWh/mile that's an extended range of 50 miles. I'd rather have the stronger panels since 318 miles of range covers all my needs. Those who tow a trailer can either add the range extender or buy an ICE truck.
Very informative video as usual. Thank you very much.
Excellent - a couple of mysteries for me. How does the 48V architecture help with the bidirectional charging and also the high speed 800V charging - aren't those things completely separate electrical systems? Also it's fair to mention that 48V means you need an aftermarket of accessories and add-ons (including jump starters) all designed for that. I'm sure it's the future - but just saying...it's currently a tiny field of parts suppliers designed for that isn't it?
It amazes me every time how much room for improvements and innovation there still ahead - as these seem to be the most obvious things.
only thing that limits progress is cost and need for profits, $100,000 for a truck is absolute insanity no matter what brand's logo is on it. Common sense has left this world.
@@ZrOuT85all new technology is expensive. It will come down in time just like the model s plaid did
I exceptionally give you a like because I like the two wires comparison.
Made me think of twizzlers candy. 😀👍🏻
Which we called "nunnebillen".
@@4literv6
Enjoyed watching this video, want more of these.
BMW i3 cameo☺️👍
That's your teardown that first got my attention (2015).
Thanks for the teardown manual, BTW!
I'd be very interested to see how the unibody has changed as a result of the exoskeleton taking up more structural load. Both in terms of how much weight the unibody sheds, and also how the way that it bears load has changed relative to a normal chassi.
I would think another benefit to steer by wire is that the vehicle
is easier to produce for different countries like England and the US. Makes it easier to reconfigure the vehicle for right or left hand drive as it’s just a wire that has to move to one side or other of the dash.
This vehicle IS Australia. Wind/solar powered outback Australia.
@@geirmyrvagnes8718 Pity they don't have an option for a solar roof like the Fiskers.
@@geirmyrvagnes8718 If you have ever been in the outback of Australia, you would know that the Cybertruck is not the vehicle you would take out there. It is too heavy and hasn't got the range you need, 550km (for the Beast) isn't enough to get you there and back with spare range for safety. That 550km is in optimal conditions and once you are driving on gravel roads with bull dust (bull dust is fine like talcum powder), your range drops significantly. Plus, the bull dust gets everywhere and is bad for electronics because it coats everything and causes heat build-up and loosens contacts. People in the outback always carry extra fuel as 1000km in a day is pretty common, I am doing 2 x 900km+ days next week, there are no superchargers and I don't have extra days to waste on getting there and back. Maybe Cybertruck 2035 will do, but not yet.
@@geirmyrvagnes8718 has cybertruck passed the crash tests etc. required to be legally sold in Australia?
Should be a good fit for our Aussie brothers.
Thanks as usual, always appreciated
great video! thanku Sandy!
If people were confused by 48v vs 12v then seeing those 2 pieces of wire for 3 seconds definitely cleared everything up 😂😂😂
Yeah, that was a nice piece of BS. Add to that the wonderful weight saving on the cables, that's quite something in the 3+ ton truck. 😅
lol yeah especially with the 600 or so pounds of useless stainless thickness @@tomasdvorak7307
@@tomasdvorak7307 Uhh, have you watched any of his other videos? Sandy's entire philosophy is that grams add up, and that the more pieces there are the more expensive everything is.
Sandy
A typical 300 series austenitic stainless steel is typically 18% Cr & 8% Ni with some slight chemistry changes for different properties. I’ve never heard of a martensitic austenitic stainless?
The patent application is illuminating.
Elon is importing it from his base on mars. The klingons that mine it are up in arms trying to form a union and tesla might move production to saturn.
More good stuff Sandy, thanks for sharing!!
It sounds like the castings have thicker ribs along the stress lines. Strength is added where it’s really necessary and minimised where there is leads load/stress on the metal.
Rear motors are claimed to be induction. Might explain the lower power peak vs Plaid. Indusction motors are supposed to freewheel more efficiently, so you get more range with the front PM motor on low power demand.
The truck also has a relatively low max speed, suggesting it's geared lower (towing etc.).
YES, this is to Simulate the Physical cutch System the TESLA semi has.
CT has Virtual Clutch using FWD pm motor , REAR ID motors.
@@markplott4820leaves me wondering what the advantage for Semi of having permanent magnet motors & physical clutch. Extra motors on Semi are more for braking than power. It’s complexity & potential failure point.
@@iandavies4853 - NOPE, its Specifically for Accelerating while hauling 82k Gross , taking onramps and UPHILL Grades like Donner Pass and GRAPEVINE .
as per usual FWD motor is only for Marinating Highway speeds.
NOPE , Tesla semi has ZERO Jake Brake , and Does not even use Friction Brakes Downhill. only uses REGEN. at end of Downhill run the TESLA Friction brakes were COLD.
Friction Brakes were never applied to STOP 82k Gross .
@@iandavies4853 - its why TESLA semi is LOWEST Energy consumption in PRODUCTION Class 8 Truck. 1.7kwh/mile. with ability to go to 1.5kwh/mile just in Software.
Thanks Sandy - The Cybertruck has impressive innovation and quality that's gone into it. Looks like this is going to be a winner for Tesla. Good job.
Amazing explanation, I look forward to more videos about cybertruck.
The castings info was particularly informative. You guys rock!
900 Ton Gigapress NOT Largest in world any more, IDRA and others Already have 1600 Ton Gigapress now.
I'm 90% sure that everything he said about the casting is BS. Firstly he called it CFD, when actually its FEA which automakers have been using for decades to design even the example chassis he showed. He also sounds like he doesn't have any idea what he is talking about and has just repeated whatever the tesla tour guides said was "revolutionary' about the cyber truck castings. The "natural flows" he talks about are literally everywhere in aluminum castings. TBH I don't trust a word he says anymore, it seems like tesla either bought this guy or he bought in to tesla.
@@ryandoeslife7227 - NO ONE on Earth is going Gigacasting @ SCALE that Tesla is using for.
IDRA has WORLDS largest Gigacasting machine over 1600+ Ton , also the Fastest.
I've heard a lot of talk on various channels praising the 48v architecture, but no one mentioned anything about the secondary 48v battery. My question is whether Tesla has done away with the secondary battery by running an inverter off of the primary battery? Or did they actually make a 48v secondary battery?
Was wondering the same myself.
There is quite a bit unknown about their 48V system.
Safety suggests that the high voltage battery needs to be able to be completely isolated to render it inert when the vehicle is not in operation. That is usually done with contactor relay(s) inside the battery case. An external source of auxiliary power is needed to close the contactor(s). The auxiliary source could be an ultra capacitor or a battery. We’ll have to wait and see…
You can buy a 48 volt lithium ion battery off the shelf for $400 and it only weighs 38 pounds.
@@eruma It's now known to all the other major manufacturers as well as Tesla ... because Tesla sent them a full copy of their 48v specification in a fat document! I presume that Tesla recognises that for 48v to succeed it would benefit enormously from other manufacturers joining the party.
Tesla's pace of innovation continues and Sandy shows us where. The CT is almost all giga castings and structural battery pack it shows with it's rigidity and quiet cabin. Amazing tech.
But it's backward innovation. The thing is late, doesn't have an exoskeleton and the range was dropped by over 36%. In 4 years it shrunk, lost a seat, lost towing capacity and got >50% more expensive.
At last..Elon claims to know the most about manufactoring of all people alive. Wht an insult to actual professionals, some of them his staff who probably cringe with every other word he utters..
@@Cloxxki Try reading. Most popular version has 13% more range, 10% more towing capacity, and is 0.4s faster. Due to insane popularity the initial price is high but expect it to reduce to match inflation increases in a year.
@@todd1771 Those big ranges come at sports car prices. You can get a basic pickup for 35K to haul lumber that does not need this 0.4s faster bs. .
Haha can't win. First person complains about not going fast enough and the next says it goes too fast. Cybertruck is not for you then. @@drury2d8
@@Cloxxki Lol, show us on the doll where Musk hurt you. In four years they reduced the size so Cybertruck can fit in a standard garage, did what most “experts” said was impossible, late, reduced the turning radius by 6.5’, reduced weight and cost and environmental impact of manufacturing , improved acceleration, got 4680 cell production going, made significant gigacasting improvements, started production of V4 superchargers and Megachargers that will allow very fast Cybertruck recharging speeds, increased ground clearance by 1.44”, greatly improved their full self driving and made improvements all over the truck, from a truck bed liner to improved aerodynamics and so on.
“Actual professionals “ give two children and a right arm to work for and with Elon Musk. I worked alongside a PhD in aeronautics on the production line, just took any position they could get to start at Tesla and work their way up.
I love these videos. Keep them coming Sir
Excellent content, thank you.
It's funny this is cutting edge for the auto industry. They were dinosaurs I guess. These concepts of ethernet rings, getting rid of buttons and knobs for touch screens, higher voltages, etc. We've been doing at industrial manufacturing plants for the last 20 years. The only thing that's really cutting edge is the battery tech and taking these things mobile.
Elon called most of this something like "doing the obvious thing and bringing car tech into this century". A conservative industry based on subcontracting is hard to turn around to actually new ideas.
I saw this in the late 90's with a new assembly line. Every fixture had a electrical connection and a pneumatic connection then the "blue" cable ran from every fixture to the main PLC panel that controlled the entire assembly line.
Eliminated thousands of feet of wiring and conduit.
At the end we started into wireless troubleshooting.
OEMs had a vested interest in keeping things static for 100 years. Follow the money.
I like buttons they already had can bus which loop system.
70% weight reduction of wire harnesses, not 70% weight reduction overall, I think the statement should be more precise.
For simpletons?
Using a weight reduction for such a vehicle is a contradiction in terms. Just focus on the other benefits of the 48V system. As for the tech its nothing new.
@@kennyg1358
This should be tagged as a commercial for Tesla.
Thank you for teaching 🙏🏽
Fantastic video as usual. Cybertruck is sporting some jaw-dropping innovations! I'm particularly amazed at CFD for the casting (reminds me of when Autodesk AI designed a chair and it ended up looking like a bone!) and the SS shell, no door dings, no paint or scrapes or wax.. wow! I want mine anodized teal please !
I noted that too these curved ridges on the castings, I first thought it were wire looms for the camera's or whatever.. Tesla must have done thousands of computer simulations to get that just right! Its another jump ahead of everybody else! Structural efficiency is also a thing legacy Auto does not pay much attention to.
You lost me about the material properties like austenitic and martensitic, I have really no idea what this all means... I must have learned about it when I was a bachelor student in aeronautics, but that is 40 years ago LOL! But I think I understand it right Tesla takes a standard stainless steel that is easy formable, and by deforming it it becomes hard and rigid.
I think the wire demonstration was not that clear, but I think you have a better opportunity to show the difference during the teardown (set the F150 lightning wires beside the Cybertruck wires.. That would be fun tyo see!)
I Can't wait for the tear down! This all is so fascinating! thanks for sharing!
TESLA used SpaceX Engineers to Design Cybertruck.
Stainless steel sheet arrives on a big roll. It is uncoiled slightly and leading edge of the sheet is fed into some rollers. Opposing rollers press down on the sheet simultaneously thinning it and feeding said sheet to next step. Similar process to drawing down aluminum foil. 304 has a low stable microstructure so when undergoing roll forming martensites are created (strain induced). Pretty smart and relatively economical process.
They use CAD generative design software. It uses AI to generate multi generational variants of a design given a set of constraints. It basically mimics the way nature evolves.
Tesla used industry standard software to try and reinvent the wheel, that is all they did and they ended up with a worse product, just like their self driving, their fake solar roof tiles, the fake hyperloop, etc.
Great. Thanks for sharing this
So great getting your professional opinion on Tesla and the Cyber Truck.
Thanks Sandy for schooling us on Stainless Steel. The stainless Steel Tesla uses for the CYBERTRK is a product from the same program that is SpaceXs StarShip.
Is that the space ship that keeps exploding 😅
@@keith8443 Discouragement and failure are two of the surest stepping stones to success. -Dale Carnegie
@@keith8443 i sometimes wonder what kind of life people have to be living who go into the comments of videos about things that they don't even like just so that they can throw shade at others without having to worry about repercussions. go do something more productive with your life.
also TESLA "fcuking" Stainless Steel is Patented and doped to be Corrosion & Rust Resistant.
@@keith8443clearly you haven’t understood the whole concept of prototyping and fail fast.
Thank you, Sandy. You're not the best interviewer yet, but are a great speaker and engineer.
Stainless - used to make turned parts from a sililar material. The swarf was so tough it tore the expensive multi-tool CNC to shreds! Had to make the exit out of the same stuff we were machining to have a reasonable life on the exit. Replaced it every 3 hundred hours or so....not to mention tooling! It was cool!
Sandy, excellent explanation, congratulations!
According to a German TUV safety certification expert, the Cybertruck will require “strong modifications to the basic structure” before it can be sold in the EU!
Yes, mostly about pedestrian safety and regulations about sharp edges.
Nanny state. Same in all of EU, unfortunately. Why do we let one group of adults tell another group of adults what to do, I find it sickening.
@@TheWisestOne1 The rules are there to safe lives, because the people living there are either to stupid or to selfish to think about other peoples lives by choosing safe cars on their own.
Where do you live if you do not like other people telling you what to do?
you're the best Sandy, and the reason i own a Tesla - thank you!
Thanks so much for sharing your insight and knowledge! I'm a Patreon from the beginning of your channel. I have some design/industrial design background so it's awesome to me to hear from someone of your expertise and background. Also I'm a big Demming fan so knowing you are "disciple" of his methods and ways of thinking , makes your opinions and insights even more useful.
Thanks for the great content
48v is a very good idea. However, short term its a disadvantage because of the increased cost in the supply chain. All the systems need to be 48v and there is no scale yet. Tesla is paying for that. Which I salute ofcourse.
TESLA mostly IN-SOURCES parts , including 48v Systems.
they can give themselves a Discount.
Maybe that’s why Musk sent OEMs manual of "how to transition to 48 volt" - to burden entire industry with expensive & revolutionary components!
Seriously, this is stepwise advance in tech needed for "unboxed", for steer by wire, for OTA compatible peripheral components.
Tesla re-invests profit in R&D, not in $10 billion share buy backs (gm & BYD), or even in dividends!
nope, the CONSUMER pays for that!!
@@ryandoeslife7227 -the END Consumers pays way LESS than any OEM , except CHYNA perhaps , & with LEADING Profits & Revenue.
Thank you very much for all the detailed information.
Especially on the Austenite structure (which is when I remember correct a 3D structure compared to a 2D structure in normal steel).
Even seeing how difficult it still is for Tesla I come to the conclusion without a 48V system and other improvements the features of the vehicle would be very limited.
Only with all the improvements it became such a good car and will improve over the coming years much more.
It's all 3D. When looking at micrographs all you're seeing is a 2D slice of the 3D structures. Unless you deep etch and look at them via a SEM.
@@tke466 I have been looking for the correct subject and the correct english wording:
'Difference Between Austenite and Ferrite
July 12, 2018 Posted by Madhu
The key difference between austenite and ferrite is that the
austenite has face-centered cubic configuration of gamma iron whereas the ferrite has body-centered cubic alpha iron configuration. ...'
So it seems the opposite, the structure of austenite is 2D and the structure of ferrite is 3D.
Further:
'What is Austenite?
Austenite is an allotrope of iron known as gamma-phase-iron. Therefore, it is metallic and non-magnetic. This allotrope occurs in different iron alloys at different temperatures. For example, in plain-carbon steel, this allotrope exists at 727°C while in stainless steel, it exists at room temperature. The cubic structure of this allotrope is face-centered cubic structure. When we change the temperature from 912 °C to 1,394 °C, this austenite allotrope forms from another allotrope called ferrite. We call this process austenitization. Austenite is relatively soft and ductile. As a result, it can dissolve more carbon in its solid solution.
What is Ferrite?
Ferrite is an allotrope of iron known as alpha-phase-iron. It has a ceramic-like appearance, and it is paramagnetic. It has the body-centered cubic structure. Moreover, the dissolution of carbon in this allotrope is poor.'
All constituents are 3 dimensional in steel. They are not a picture. They have a measurement in 3 axis. Fact. Face centered vs body is just a different orientation of the carbon atoms with the iron atoms. Both are 3 dimensional. FCC has corbon atoms on the cube face. BCC has carbon atom in the center of the cube. In each case iron atoms are at the corners of the cube.
@@tke466 Cube face vs cube center. Agreed. In German language it's called kubisch flächenzentriert vs. kubisch raumzentriert.
No further comment re internal structure.
Thank you Sir for the wisdom
Been with Munro since the beginning- such a great channel
I would have thought FEA rather than CFD if we're talking about the dynamics of the finished part. Though maybe CFD comes into play for the casting process itself.
FEA is for structural analysis, simplified said to simulate the flow of force - CFD is fluid-design, as the name intends, on mould-flow-analysis you try to figue out the best paths to ensure a homogenious temperature distribution to avoid any big temp-differences in the mould, which might cause warping, stopping of the flow or other negative effects.
So this martensitic steel is stronger? Is the lack of magnetism just a byproduct of the process that can help you identify it? Are there any other benefits to it being martensitic?
Corrosion & RUST resistant .
It is called organic design and is not a cfd issue. CFD is of course related to the metal flow but this shape is principally for the strength and reduction in natural resonance frequencies that the casting is sensitive or rings at. You are correct on considering the flow in CFD as well.
Great video Sandy! I will be mind-blowing to see Tesla AI optimized designs one day (if they haven't started this already). I wonder if the cars will look almost natural at perfect optimization.
Tesla AI is dogshit. What are you talking about?