Very nice @Fahedgt5
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Stole my thunder. That’s fine, I’ll just add in some fancy scriptable features.
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No, he stole my thunder, and only I can do that.
On a serious note, I’ve been trying to figure out the best way to do this for a while, and you’ve brought it to me. This will be really useful in my games.
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I’ll be releasing my own version soon featuring some nice features, including emulation of controlled body roll and so on.
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Thank you Fahed, very cool!
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Nice work!
Was there a reason you used a Prismatic and a hinge rather than the CylindircalConstraint? It’s a combination of the two!
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For these systems you really need a Prismatic and two hinges. I got away with a single prismatic and a hinge per wheel in mine because I use rotating the attachments to steer. I hate cylindricals btw, they are so unwieldy to work with, even in Explorer.
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I used prismatic constraints to move the spring constraints in one axis
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This. Is. Amazing. I have little experience with vehicles on Roblox, so this will definitely be helpful. Thanks!
Hate to bump this, but when I try making the chassis smaller the whole thing flips around. Is there a size limit?
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You will likely need to adapt the forces and lengths of the constraints to match the smaller size of the chassis.
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That makes sense. How would I go about doing that, and more importantly, doing it properly?
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Most I can tell you is to experiment. Look at all of the constraints, adjust their numbers. You will more than likely find that the spring rates are proportional to how small/light the vehicle is.
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Yeah this is not working at all 
Wish there was more documentation
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What do you mean by whole thing fliping around?
Edit: i was able to repo it ill try and get a fix on it
Edit2: I was able to fix this by
Positioning the axels and ReSizing the "Wheel"s
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This picture helps tremendously. Thanks 
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I hate to bother you again but I need more guidance. (Taken from my other thread)
Repro: https://www.roblox.com/library/3058063306/Work-Van
I’m trying to make a work van but every time I turn (at higher speeds), it spins out of control and glitches.
I’ve tried randomly adjusting the constraints, re-positioning things, changing the weight of parts, and more to no avail. It would be helpful if someone who understood constraints could explain what I’m doing wrong
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The damping was way to high this is my fault for keeping the default damping at 1000 , ive set it to 250 and it works fine VanForPun.rbxm (26.7 KB) , OP is also updated to have the default damping at 100
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I really appreciate you looking at it. This is a great chassis when I have my head wrapped around it
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My chassis can run circles around this one.
Literally…
For real though, mine’s pretty advanced, if anyone wants me to try submitting it here I could consider it.
No offense intended though 
This one handles good enough! I just still believe it can be improved. Particularly in the suspension and friction areas. You can fix it purely with CustomPhysicalProperties and changes to the SpringConstraints.
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