What could be causing major kart flipping?

Hello! I am working on a kart system, and this is happening:

The kart system is based off of BetterJeep. I removed the Jeep part and turned it into a Go-Kart.

Having it flip up after going on a ramp is a very major issue.

What could be causing this?

If you can help, please let me know.

Solutions I tried:

  • Making the Density and other Physical Properties their maximum values
  • Adding multiple of the red Kart Mesh to try to increase the weight
  • Pivoting the red thing perfectly to the Chassis

Thanks in advance!

My carts stopped flipping when I gave them more density/weight. Something to try.

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I gave them maximum 100 density, and they are still doing the major flipping bug.

Also tried all CustomPhysicalProperties.

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Another thing I just thought of, you might be experiencing unexpected collisions. Anything I don’t anchor goes flying.

Check your collision fidelity, and turn off collision on any parts where collision isn’t important (but make sure they are welded in place)

If your cart always flips clockwise, the unwanted collision is probably happening on the left side. If it is in both directions, it’s probably a moving part.

You might want to even try deleting parts off a copy of your cart and see if you can make a barebones cart work. Have some sort of functional starting point

add a bodygyro, and in the MaxTorque add inf values to x and z axis

Well I don’t recommend using this awful system anyways. Get betterjeep, insert it into an empty baseplate, test and jump in it first, then go fix the obvious error, and after all of this:

Simply get in the jeep, and drive forward for a second or until you approach the edge.
Nothing happened? insert harsh wrong noise WRONG!
Do it again and look at the jeep from the side.
It’s literally trying to take off like it’s a plane.

I tried going up a ramp, and while it didn’t do what it did to you, it did literally start doing front flips.

So in conclusion: It’s not BetterJeep it’s BetterPlane. Or WorseJeep if you will.

Hope this helps.

And no this isn’t a call out post. It’s just somewhat angry observations at 3 AM.

Reply also goes to @IDoLua

I tried deleting the Mesh of where the kart is, and it does the same functionality as BetterJeep… It seems to be something with the Mesh of the kart model. I tried centering it before making this post, and it still does it…

Im kind of confused on what you mean by this.

And this.

Also, I developed BetterJeep to be a better alternative to the classic Roblox Jeep, based off of it.


I think that it has to be perfectly symmetrical. Is the Mesh having more content on the left somehow affecting the Jeep? I am not an expert on Roblox physics.

BodyGyro’s are deprecated. Is there something else I can use?

I said look at it from the side because if you do, you will realize your front wheels are about to become landing gear. There’s inconsistencies in how the jeep is moved. You move wheels up (or the wheels down, chassis up, I’m not even sure at this point) and that makes your HumanoidRootPart’s lookVector result in you flying. That’s just bad code unfortunately.

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After messing around with a ton of things, and seeing that BasePart.Massless removes all Mass from a part as long as it is welded to a part with Mass, setting the Mesh to become Massless fixed it. Further solutions are appreciated.

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