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Your wheel designs are great but they don't start working till 20psi +, steep blade angles are for high boost and need a lot more power and revs to push, you need to drop the blade angle from 60deg back to 30deg like most modern ball-bearing turbos made to work between 0-20 psi boost. I really hope my comments help because I also learnt from your video about how these wheels work at extremely low speed (sorry) 30,000rpm is idle speed for a car turbo. But you have run these 3D printed plastic wheels faster than anyone online and am glad to have seen this, most other people's setups exploded way before what you did😅 good work and I would love to see you try again sometime, cheers

How did you balance the wheels?

You have the right idea and glad you made this video, but most turbos don't start making boost until 60,000rpm, but really good work 😀

What you really need to do to make this compound setup work is the same as any jet engine, your second turbo/ compressor needs to be half the size and spin quicker, because you have already shrunk the air. Look at any jet engine with multiple stages and the blades always get smaller because you 'are' shrinking the air😅

I love this and im making it for a school project (its so cool its essentially a personal now) but it would help me a ton if you make a video on how to put it together i already have everything printed out but i dont know how to put it together

Bicycle gearboxes - both in-hub planetary designs and the frame-mounted parallel-shaft Pinion series - use shift mechanisms placed within the shaft. Of course the power level is orders of magnitude lower, and they don't need to be able to back-drive.

You could do the Koenigsegg Light Speed Transmission, to explain the difference between shifting with friction clutches and shifting with dog clutches, and to explain the two-stage gearing design versus the normal single-stage gearing. I assume that the friction clutches would be the construction challenge.

So you're using the Avenger 2810 900kV motors correct? Do you think you could get away with smaller motors as well?

This is just flat out amazing brother. I don’t have car or can do anything with this but it’ll be cool to purchase a 3D printed one like this and have in my man cave

After my enclosure is printed I'm going to print this next.

Thank you! I bought a Bambu Labs X1C because I thought the case would filter out everything. I live in a studio apartment and the smell is bugging me with just PLA and PETG. I'm printing a enclosure, so I'll have a printer in an enclosure inside an enclosure. I was looking for a filter to make a few days ago and your video was just recommended to me.

Very cool project. Torque vectoring is basically what you are doing when you change differential gear oil weights. It's interesting to see this being done electronically. This is a on whole other level, and the performance shows.

Have you looked at using bidirectional dshot to talk to the ESC and get telemetry out of it? Betaflight uses that to get motor RPM and it seems to work pretty well.

hey sir, how can i get your monocoque design sketch?

man can i ask you how did you designed the shifting mechanism? i'm trying to build a sequential shifter to shift a regular 5 speed transmission that got 3 separate forks conneting rods that simply slide back and forth, each one selecting respectcly 1-2 3-4 5-R, and while it's very easy to access them and connect all three of them to something else able to move them indipendently i got no clue how to build a mechanism that goes always in the same order and moves them to the correct location. I saw here you got some grooves on the forks shaft directly which is not doable in a regular transmission, but moving this to an outer cylinder that drives 2 rods would be super easy. I saw that motorbikes use this exact method but i got no idea how and what to use to design such mechanism, could you gimme some insight on how you did design your leverages and especially the "grooves" stuff? thanks man, great project, im actually gonne 3d print one for myself :D

Amazing work as always! I see you are back in North Texas. We ended up moving to Tennessee. Looking forward to seeing you apply to these concepts to a land speed RC car.

I want to use this for a real 4x4 car. To use brakes on a wheel when it starts slippin

Amazing results :)

I’m blown away by how far this car has come. The pov cam was awesome too. Really shows how ridiculously sharp those turns are. 10Gs is insane. The average human passes out below 7Gs. The velcro on the battery made me laugh because I have that same problem with my rc boat. I’m amazed how durable the front splitter is. That thing was eating those rocks like they were Doritos lmao. You’ve basically already done all the stuff I was thinking of, and I have no idea where you could go from here. But it sounds like you’re not done so I’m very excited to see what’s next.

this is one of those rare cases where human limitations prevent a car from performing better, i cant even imagine trying to drive this on any track. maybe you could try it on a 1:8th scale pan car racing track or a asphalt touring car track with reduced power output and work your way up? would love to see it on a track, maybe even get a transponder system to compare lap times with some other rc car classes on some local track that has timing equipment?

This thing is on rails!!! Awesome to see

I have been following that project since day one, and I'm absolutely amazed by everything. For one, I really enjoy your deep dives on very complex matters and how easy you make this to understand. I absolutely love the fact you don't shy away from your mistakes, crashes at times and share how you pivot and improve from those events. Maybe as a suggestion, I would love to see a video of you driving this car on a proper track or a very large space to see how far you could take this car (with drone shots would be even better). But overall, this is great content, and great engineering work! Well done!

Are you going to make the CAD models available for tinkering? I've been imagining doing a two part carbon fiber mold of the monocot.

Again amazing job!!

Cool ! Do Tesla do this ??

Amazing. Any estimate of how many hours you spent on this? 10k or 20k hours 😂. I still want to see you set up a smooth circular track and see how many sustained g's it can do.

what was your solution to fill the split line in the underside diffuser ? did you find some performance or stability?

Please keep making this type of content!!

I haven even watched a second of this but YeeeeeeeeeeeeEEEeeeeeeeeeeeeeeeeeesssssSSSsssssss lets gooo!!! Edit: really cool stuff as always. Love how you piece together small feats of engineering and end up orchestrating an amazingly complex and beautiful project. All the best :)

First it's been amazing and fascinating to watch all of the videos on the development of your car! There are so many rc car people who steadfastly believe that somehow aero doesn't work at the rc car scale. It feels vindicating to see this with so much data to back it up. Do you have a username on Printables or Thingiverse that I could follow?

I've programmed very similar torque vectoring to my car in simulator called "MainAssembly" a while ago. Nice to see it work in real world.

Really nice project! I am trying something like this on a smaller scale, more like a formula student. I am using drone parts and thinking about the torque vectoring, do you think it would work a bit like differential thrust for a plane?(albeit a bit simpeler) I don't have enough time for writing al the code but it should be able to work, right?

How do you feel about adding a motor on the back to steer the back wheels too? How much would that amplify the effectiveness of torque vectoring? Maybe you've already reached the limits of what your wheel material and airflow control can handle?

What an amazing project!

would love to see you racing this with a fpv camera on it

How long dose the battery last?

hell yes

Excited to catch a video early!

Really interesting project. I wonder if implementing suspension arm angle sensors might work better than using accelerometers?

I just ust put a 12 v temperature switch on my X1C’s bento box (air purifier). Check the W3001 12V temp controller (most fans of that size are DV 12v). You place the probe near the bed and set start/end temp accordingly.

Wish this was a better design for 3d printing.. Thanks for sharing.

Maybe you're getting to it. I thought there was a rule that said you can't be in 2 gears at the same time. Obviously this wouldn't work anyway but what it would do is allow one gear to disengage the previous gear. I thought that wasn't allowed which meant there had to be some delay as small as It might be between Shifting gears.

I applaud your efforts to print safe, as I end all my videos saying! I have several enclosures - the ones offered by Printed Solid. I have been using the 3DUpFitter Carbon Air Filters he sells. Upon measuring my shop with a UFP monitor, it is at 1PPB. I also have two Honeywell air purifiers running at all time. Given my northern climate, air changes via open windows isn't an option 😀 I have two of the Wham Bam Hot Box Megas and for those I have the BOFA devices, which are expensive yet work really well. I've been toying with the idea of using a carbon pre filter (like the air purifiers use) combined with the Ultimaker Air Manager filter. That uses an E10 rated filter which is pretty impressive. I've been working with a friend on an initial design to cut out a rectangle size opening for the E10 filter face and a 5V Fan (120mm I think, I need to check my notes). I found a USB dimmer so CFM can adjusted. I looked at the Voron Nevermore concepts they have but honestly, I haven't seen anyone post any real data on how much UFP/VOCs are removed, how long the activated charcoal is good for and so on. The only think I spotted you are missing is some fire suppression devices. I'd consider the Wham Bam "The Sentry" or some BlazeCut tubing, in case a print lifts, gets stuck around the hot end or something goes poof and starts a fire. I've seen it happen! Please print safe! Let me know if you'd like to share some concepts!

SolidWork ? or fusion 360 ?

1:35 You right.... its not easy job "Design a compressor wheel" 😑 And on some CAD software it becomes even more difficult. SolidWork = too expensive. AutoCAD = expensive. SolidEdge = poor performance. Fusion 360 = its a pooph cad 💩

Hello mate . I have a similar build and its worth saying , I'd try out contact foam tyres . much better than the rubber tyres for grip by far ( provided its dry out) but they wear quicker and more dramatically 👍

Can you share the cad files or the papers you used to make this? I'm making something like a leaf blower and this seems perfect for that

Be nice if you could also share ideas on how the gearbox would be married to the tranny and innovations there around torque vectoring, smart traction control and the MGU-K.

The types of projects you do, you should invest in angular bearings as they can do both thrust and radial loads. You need to mount them opposite orientation to lock thrust in both axial directions and keep them from falling apart. Another design flaw is that you need to calculate the intake area to a smaller exhaust ratio not the wrong way around as you have here. A ratio of 1.5:1 per stage for 3d printing would be stellar. Maybe a little less at first like 1.4:1 Don't give up, you'll get there. Keep up the great content.

I have a 12th scale rc pancar and on a parkinglot surface it's borderline undrivable. Considering yours is RWD as well, it's incredible to see how well it handles! I have quite a bit experience from fsae and can confidently say that aero has a very big impact even at 20mph. Love your project!