Unlocking Secrets: Inside a Tesla Motor - Reverse Mounting Rewiring Revealed
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- Опубликовано: 25 июн 2024
- Hey Everyone! Welcome back to the ElectricSuperCar channel! This week take apart a Tesla Motor and swap some things to make it drive in reverse. Also stay tuned for the contest winner and next build options.
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▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
0:00 - Intro
0:33 - Alternate ways of mounting a Tesla Motor
3:45 - Removing the Inverter
6:47 - Separating the Motor
9:45 - Inverter Disassembly & Reassembly
12:14 - Remove Oil Pump & Ring Gear
14:34 - Swapping Oil Pump
16:20 - Swapping Phase Leads
20:17 - Reassembly of Motor
26:30 - Contest Winner & Build Options
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That was impressive! Finding the little retaining clip after so much work would be devastating.
Tell me about it!
Better finding it was missing when you did than through some cataclysmic event 3 months from now…
I'm always finding leftover parts after a repair. A spring here, maybe a screw there. 😁
The Climax to the video 24:02 !!! This was perfectly made content! #2024 #yolo
Can you get a hair restoration sponsor for your next video Jerry?
"I'm just not very good at this..." -Guy doing stuff no one else will attempt and problem-solving in real time. Keep going! You're so good at it.
Thanks! 👍
You have some serious balls brother! I love the detail you go through on a very difficult process. I am sure it is very inspiring to others. Great video.
I appreciate that!
@@ElectricSuperCar 2 litre turbo Ford Sierra RS Cosworth 4x4 4door or the 175mph Lotus Carlton....
Car community need guys like you....
Taking the first attempt and risk($+time) to teach others new things.....😊😊😊😊
Well said
NISSAN 300 ZX!!! Oh i would love to see that project started!
It's such an amazing car!
Anyway Jeremy, i always like seeing you muscle in the Porsche project, and as always enjoy each and every second of it!
A Happy New Year to you, your family, and all of your loved ones!
Thanks Friend!
300ZX is amazing! ;)
Agree with the z
Dude, you should be so proud of what you are doing, it takes a special type of person to Jerry rig (pardon the pun) a high tech piece of machinery with back yard engineering.
You are an inspiration. Keep it up!!
Thanks! Will do!
If the UHaul truck is going to be used for a good purpose, I like the idea of converting a work-centric vehicle. I would really love to see an electric VW bug or bus if that becomes a option. Thanks as always!
noted
“You may have to ask someone smart…”
You are quickly getting to the top of That heap Jeremy.
Love this update! Well done.
Thanks friend!
I have no electric car, I know nothing about anything you work on, but I love learning and watching your videos! Thanks for taking the time to make them!
Thanks for watching!
The 300zx built would be epic
Yes it will!
Got it
One other thing, when trying to fit the bearings into a tight area like you did, put the whole ring gear and diff (with bearings) in the freezer. It will shrink and slip right in with no fuss.
Thanks for the tip!
Takes a lot of guts to fiddle around even with a normal engine, and here this man is toying with a Tesla motor that's complex enough to drive the best of best mad. Your skills are on a completely different level brother. Mad respect 🫡
Thanks for!
EV U-HAUL all the way!
I think the U Haul into E Haul would be amazing!!!
YES!
Uhall Ehall.
the U-haul or the 300ZX would be pretty damn cool imo, I have nothing against a sedan but I dont think the options are fantastic there.
Like if it was a first gen S-class merc or a lexus ls400 or something like that, that would be cool as well as those seem like they always were meant to be electric.
Noted
Your understanding of the system amazes me. It looks terrifying. ICE is less intimidating for me. Props on your ability.
Thanks Friend!
Oh my God I was just thinking about seeing a Lexus ES electric conversion the fact that you mention this is HUGE I would love to see that conversion, or the 300ZX
Nice!
Jeremy, you have done a huge service to the electromod community with this video. I will be interested to see if there are any software issues that arise, but hope it works as planned! Although I am surprised you didn't install a Quaife LSD while you had the ring gear in your hands. For a high-performance build, the LSD seems like a no-brainer other than cost. I know the Throtl guys did a unique 350/370 build with Tesla components, so you can use some of their legwork if you go with the 300Z. Otherwise that U-Haul would be bonkers! Good luck my friend, and I look forward to your next video.
I have not had one wheel burnouts with my 1st build, and I figured with all wheel drive it would likely be less important. I guess time will tell
For the U haul build, please check out Edison Motors and their new upcoming conversion kits. Deboss Garage are going to be doing a prototype build with those custom electric axles which might be perfect and you can give them feedback on your installation, so other builders in the community can have a go at their own builds in the future. All the best to you Jeremy, loving your videos to date. ❤
Are you using the EV Controls traction control module on your 1st build? I don’t remember seeing anything about that. Are you staying with them this time or doing something different? You mentioned the controller in this build being able to modulate front and rear wheel speed, so that will be helpful.
My thought on the LSD was more for max performing in the corners than peg-legged burnouts.
Software issues? That thing is gonna blow up the moment he tries to use it. Or at the very least the controller will detect an overcurrent and not co-operate. Anyhow, that isn't a simple ac motor where you can just switch wires around. Synchronous motors required an AC signal closely tied to their actual rotor position. All switching phases did is make the controller enforce incorrect electrical position. He's in for a firework show.
Does the Quaife LSD work in reverse?
Totally impressed with the level of detail and engineering you are digging into to make this vehicle. Great work, don't be discouraged by redoing and undoing some steps. We are learning with you and appreciate your efforts. Keep going, this project is turning out amazing. 😎👍
Thanks friend!
UHaul or Zx :)
Thank you for sharing, I give you kudos for the patience in all assembly/disassembly you had to go through!
Thanks for watching!
Agree with this. Zx or UHaul 👌
Man, take that U-Haul and do a full EV Tiny home conversion on it.... That is something to add to my bucket list.
Nice!
Why do people call recreational vehicles "tiny homes" now? Yes, it could be converted to a EV motorhome, for someone who want to travel between serviced campsites with high power electrical connections, or to spend just as much on high-speed charging as they would on fuel.
@brianb-p6586 If you're living in it full time, it's not recreational at all, hence a tiny home. And really hard to call a Box Truck an RV to begin with.
@Steph_Manzuris What's under the box is the same as any other Class C motorhome, and once you equip to live in, it's an RV.
If you're not using it commercially, it's recreational.
Now I'm going to go out and drive my "tiny livingroom" to the store for some groceries.
Jeremy great video. I was screaming stop in my head @21:37 when you where putting the drive gear bearing on because the cage goes behind it and then a few seconds later you said shhhhiii @22.09 when you realized it. Great play by play. It would have been nice to show the guys cutting the tie wraps on the temp wire to loosen it up so it can be pulled through as not to damage it when splitting the cases, you did mention it though which is good.
Thanks Jack!
Next time you need to swap phases, swap the wires between motor controller and power modules.
Worth a try
You should build the Nissan! I loved that car in my youth. Would be fun to see an electric version. Great job on the video. Keep up the great work. Love the idea of you going in to business building cars. Your knowledge and talent will go wasted at a big company where everything is done by committee at the lowest possible price as fast as can be done..
That would be cool!
I also love that idea, this could be the beginning of a lucrative business as everyone switches to electric.
I also love the 300ZX ;)
You missed your chance to say Hammer time when you reinstall the main motor bearing 🙂. I have been following your series of video and I am so impressed by the amount of hurdles your are succesfully going through to make to project come to life. Respect Sir and thanks for sharing.
Thanks for the comment!
23:45 "I was in the pool! I was in the pool!" :D
LOL!
If anyone says that they never forgot a clip they’re lying. Glad you saw it and fixed it. The Z32 would be my choice as I have a Z31
Nice!
Jeremy, first thank you for showing that you are human and make mistakes. 😇 Awesome video, great as always!! 🥳
Thanks Friend!
I'm no sure, but I think that can be a problem that ideia of switching 2 phases. The motor very likely has a enconder, that let's the inverter know the position of the rotor. Switching the phase will make the inverter think that someting is wrong, because the inverter will try to rotate the motor one way and will start rotating the other way because of the phase switch.
Like I said, I'm not sure, but something to take into account
Yes, there are 2 encoder wires that need to be switched as well
it is an induction motor, not a synchronous permanent magnet motor like the rear of the Model 3 (and other newer models). Only speed and direction are needed to control an asynchronous motor, not rotor position... but direction does need to be corrected as @ElectricSuperCar noted.
Won’t you have to reverse the encoder as well? Found this on the OpenInverter forum: The encoder output consists of two channels : A and B. The signal from these is used by the microcontroller to determine the speed and direction of rotation of the motor. If for example the A and B signals are swapped then the inverter will be trying to drive the motor in one direction and the encoder signal will tell it the motor is running backwards hence this behaviour. If either or both signals are missing then the microcontroller has no speed or direction information and the same symptoms result.
Hopefully it’s just a swap of two wires (perhaps the cable that’s zip tied you were messing around with at the beginning?) on the inverter side which would be a pretty quick fix!
Nice work on the crossover bus bars, I’m sure the development work you’re doing here will unlock some big packaging advantages on other builds!
Yes, you are right. It is a plug on the outside of the drive unit. Just swapping two wires
Hey great work with reversing the model S motor. I did a similar conversion on a model 3 rear motor unit - simpler design but no room to allow much alteration. I ended up having to cut off two of the phase cables coming out of the stator windings and make two new ones that cross over, join up and still fit in the very limited space available. I also had to swap some connections on the resolver (the motor position sensor) that is on the end of the motor. This needs to show a reverse motor angle output for the inverter so it can determine the router angle position and its direction of rotation. I’m not sure if the model motor also requires this modification, but I would imagine it would probably need to. Sorry I don’t have any videos but I have some photos I took for my own reference.
This motor has an encoder. 2 wires need to be swapped for this motor as well
@@ElectricSuperCar yes, there should be six connections to the resolver - two for the excitation coil, two for the Sine coil and two for the Cosine coil. On my model 3 motor, pin 4 - green wire - Sine+ is swapped with pin 9 - red wire - Sine- . But your motor may have a different configuration. I determined the correct direction of rotation by using a dual channel oscilloscope connected to the Sine and Cosine connections with motor inverter powered (12v) and turning shaft by hand.
The old Model S unit has an induction motor,@@philward7663, not a synchronous permanent magnet motor like the rear of the Model 3 (and other newer models). Only speed and direction are needed to control an asynchronous motor, not rotor position.
Great information and results, Jeremy! I always learn a lot by watching your videos, and get inspired as well…thanks!
I appreciate that!
What results?
This is just like a RC 3 phase brushless motor. I can confirm that swapping any two leads will make the motor run backwards. This will 100% work. 👍
Great work man!
Thanks for the comment!
Have been enjoying your build a lot and must congratulate you for the courage of getting things done even though one notices that your building skills are just beyond basic but you have no fear to commit and learn along the way. Well done.
Thanks for that!
Amazing work on this project. Please keep posting updates!
Thank you! Will do!
That was dedication to keep at it and try try again. Thanks for keeping us along with your project!
Thanks for watching!
Do the U hale or a pickup truck would be cool to see.
Noted
Awesome as always.Thanks for sharing and taking us along
You bet
Most definitely, the U Haul truck!!!
Thanks for voting
I'm from Brazil.. I don't speak English but I put subtitles in Portuguese..I liked the video.. 🇧🇷👍
Thanks!
@@ElectricSuperCar 👍👍
Honestly the patience of a saint as always! Loving the videos, keep up the good work :)
Thanks, will do!
Yoooo thats some serious tear down and reassembly! I cant imagine how long it took to make this video! Thanks for keeping strong and keeping the content coming. Its always fun to watch your struggles with the projects so we dont have to 😂.
Thanks for the comment!
wonderful content Jeremy. I wish you all the best for the new year for you and your family! Hoping for some awesome projects and a well deserved channel growth! :)
Thanks Friend!
AMAZING WORK MAN. God bless you.
Thanks!
Wow, absolutely blown away by your work .
Thank you so much for the insights provided .
Your skills, diligence and approach to address an issue that has been overlooked by so many is unbelievable and astonishing
Wow, thank you!
I would vote Uhaul truck, grand Marquis, or the 300 zx. I greatly enjoyed this video and all of the videos in this series. Thank you for inspiring content. I can't wait to try ev converting a car of my own.
Cool, thanks
I Won! Thanks Jeremy for great content as always!
Congratulations!
EV U-Haul please! Also, great episode of Seinfeld (okay, I guess they’re all great) on in the background. 😂
LOL!
SUPER AWESOME 🤩 looks great!
Thank you! Cheers!
The U-Haul truck if there’s going to be enough batteries to get it to 300 miles and DC charging. This might turn into a neat RV project. Tons of potential.
Nice!
I'd do the 300zx or civic coupe. Both have been ev swapped before and have imo due to the aftermarket support nice potential!
Rywire in concert with toyo is doing a sick awd dual tesla small drive unit civic ek hatch, he's a genius at wire harnesses. Has done an s2000 tesla swap already. And has just a very high quality build in progress, not many videos on it yet. But what is out looks very well done. 👍🏻
Thanks for the comment!
@@ElectricSuperCar thank you for all the awesome content man! Can't wait to see the beautiful gtE cayman running around silently soon! 😎
Hi! There are many people that want to collaborate and give you information and ideas. I think it will also pump the interaction with your subs and the channel in general. Maybe at the end of each video you could say want you are planning to do next and people can give you ideas. Good job!
That would be awesome. Next video will be battery box wiring
This was a super fun one to watch!
Thanks Friend!
Wow that’s some full on work. I came from jerryrigs channel back in the hummer days and am glad I have stuck around for these videos. Keep up the good work and fingers crossed this lead swapping works when you get up to that stage.
Thanks for coming
“Ask someone smarter?”. You are the smart one for doing all this and damn skillful!
Thanks for the comment!
That’s a great video, thank you!
Glad you liked it!
Hello!! wow this is amazing video, thanks for that pacient job!! i liked so much.. greatings from Colombia
Thank you! Cheers!
I'm so glad I'm not the only one that finds a part that I failed to install once everything was back together. Thanks for being so honest and approachable in your presentation.
As for vehicles, I think the 300ZX would be the most entertaining, but maybe some other options come in. It would be fun to see a later model conversion that wasn't a U-Haul.
👍
I find the strangest things fascinating. Nice work
Thanks!
Man this looks like a lot of work! I am amazed.
Thanks!
Nice transition from GT3 to GTE with the 3 dashes, very cool.
Thanks!
Just solid, professional presentation
Much appreciated!
I think the '75 UHaul would be interesting. Would be revelvant for those doing EV swaps on RV's or heavy trucks. Love the videos!
Great point!
Nissan 300zx is my vote. I think the uhaul would be cool too
👍
The frustration of a C clip! Been there, several times! I was a Ford mechanic for 14 years... Very frustrating! I enjoy your videos! Thank you and Have a Great New Year! And , I'd love to see the Mercury electrified...
Thanks friend!
The lack of clearance between the crossover bars at up to 400 volts is downright scary, even in the improved designs. I don't have a better way to do this, other than avoiding the need to do it at all.
Thanks for documenting this! “Many have done this before “ but none have documented. I also just performed the same conversion. Surely in the future this will all be done by software , however at this time and place there are some that are too invested in time, sweat, busted knuckles and money that “This is the way”
Thanks for the comment!
Nice modification!
Thanks!
300zx for sure! So many civics out there already. EV or not.
👍
Impressive design !
Thank you! Cheers!
The Nissan 300ZX would be a fun car to see converted. The other ones were less inspiring just because they wouldn't have the epic driving performance after the conversion.
Got it!
Typically when we wanted to reverse motor direction on BLDC of various E-bikes hub motor, we had to swap two phases AND TWO of the 3 HALL SENSOR wires too. However on the TESLA, it is not a hall sensor and not a Sin/Cos encoder but is instead a small rotor with also some phases ( same as a small BLDC generator).. maybe you will have to consider to swap teo of the 3 phases on that sensor stator too!
Yes, there is an encoder on the stator. Two wires need to be swapped there as well
OMG! You are a better man than me. Crazy respect to you man! Next build: Do the truck. All others are too similar to existing EVs
noted
Thanks!
Thanks for the support!
300ZX one of the JDM unicorns!!!!!
Nice!
I want to see a classic "restored". There's so much room for activities in a 58 Chevy / Olds.
I've also wanted to build an XJ-13 kit car with EV guts from the bottom up, or convert an XKE.
27:32 for sure the U-Haul truck!
👍
OH the U-Haul looks like a lot of fun.
👍
Great engine service. It would probably be easier if you had a service manual, so you wouldn't have to go through the steps several times. And don't forget to put the oil back in otherwise it won't work for long. You can also put in new oil, since you probably won't change it in the next 5 years.
Great point!
Another great video i love the the detail you go into, this is gonna be a very special Porsche when its finished. The Youhaul truck would be an interesing build.
Thanks
Wow! That was some intricate work. I hope it all works well.
As for the customer build projects, I’d love to see the Lexus converted.
👍
Awesome ✌🏻✌🏻✌🏻
You are doing great 👍🏻👍🏻👍🏻
Best wishes 🙏🏻🙏🏻🙏🏻
Thank you so much 😀
Another great, informative video in your series, Jeremy. Interesting conundrum with the drives, and I am curious to see how it handles this retrofit. You are going to be showing us this tested at some point, before it is mounted? I wonder how all those who just flipped the motor upside down are doing now. It seems like it should have been a quick discovery once running, unless they just treated that hole as a leak. One retaining clip was the only wrench in the works on this episode, so I figure you are allowed a hefty allowance of expletives towards it. Keep up the awesome work!
Swear jar is getting full!
awesome🔥
Thanks Friend!
Keep up the excellent work. I wish I resided in the US as I’d be in touch to convert a car for sure (probably a Land Rover).
Maybe one day!
Thanks for the support!
thanks for entertaing us and make our day a lot enjoyable , you are the best , sending you a lot of positive vobes....
Thanks Friend!
The business guy in me says Crown Vic all the way. There are still tens of thousands of them out there. Building one for Cleetus could take your channel to the next level 👍
Thanks for the info!
There are tens of thousands of Crown Victorias, and they all need to be recycled.
300zx or the u-haul. I already watch your stuff but Wouldn't miss any of that content.
Nice!
Same!
Impressive
Thanks
OMG John Kelly! He was one of my professors at Weber State. He is an amazing instructor.
I got to meet him. Really cool guy
To me any of the pick would be interesting, I would also like to convert my favorite old car just don’t have the money keep the good work!
Noted!
U-haul and 300ZX would both be awesome builds
Retaining clips!!
I would love to see the Nissan ZX converted or the Grand Marquis
I was wondering if using the motor in reverse would not create too much force into the casting because of the helicoidal gear?
Many have done this before me. Seems like it has worked for them
@@ElectricSuperCar it's nice to know that
It needs to handle the reverse axial thrust (due to the helical gears) and the resulting bearing and case loads so that it can drive in reverse and so it can regeneratively brake. While it doesn't need to handle these loads continuously, the bearings are apparently the same on each side, and the case seems to have been proven to handle the forces.
Excellent video! Great pace and also some tension about gettin'-er-done.
Glad you enjoyed it!
Love it men ❤
👍
Wow! This is quite the video! Good job man, looking forward to seeing if this actually works! I wonder if there is an absolute position sensor that will confuse the software as the commutation states will not cycle in the expected order. Should be fixable via sw, but we'll see! Good luck!
Yes, there is an encoder where I need to swap 2 wires
I've does some preliminary checking. A late 80's or early 90's short Astrovan body should fit on Leaf floor pan. Seats wheels, suspension and dashboard of the Leaf should all be in the right places. It could be an easy body swap.
This guy is the real deal. I will repair a Tesla, but I would never open an DU lol
There is a fine line between stupidity and bravery, I pretend to be on the brave side
I think an electric U-Haul truck would be awesome!
That would be cool!
The problem at 22:24 is best addressed by holding the unit with the shafts vertical... then assemblies slide together without offset weight jamming them.