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I can't make my "car" stable

Posted: Thu Aug 05, 2021 11:54 am
by GianaSistersFan64
Hello, i'm new to the forum.

I've been recently making a car, or more specifically, a bicycle, playable in RVGL. However, i can't find the right car parameter values to make it stable. when driving and taking a turn, it doesn't stay straight and jump everytime. Also i based it of Bike from the Dev version of Re-Volt.

Here's the bicycle : https://www.mediafire.com/file/v7hag5a9 ... s.zip/file

Any help would be appreciated! :)

Re: I can't make my "car" stable

Posted: Fri Aug 06, 2021 3:35 pm
by Manmountain
On a quick look at the parameters, the middle inertia value is too low and the COM middle value is right below the floor, yes I know the COM for bikes has to be set differently to allow the correct lean, but those are things that can create the shaking and jumping of models.
Try rising the inertia value first to see if that reduces the issue.

Re: I can't make my "car" stable

Posted: Sat Aug 07, 2021 6:01 am
by Ato
Ineertias are fine. COM was way too far down. Made it -33 and all is well (still underground like it's supposed to, but not too far). But the bicycle is abit understeering. Try setting SteerRatio to -0.250000, or alternatively the second Inertia just a bit lower, like 616, but not less or it starts wobbling again.
Btw, I like the model :)

Greetz,
Ato

Re: I can't make my "car" stable

Posted: Sat Aug 07, 2021 12:18 pm
by GianaSistersFan64
Thank you for your help :) It drives better now. But there is another issue... It takes fireworks and water balloons itself. Is there a way to fix it?

Re: I can't make my "car" stable

Posted: Sat Aug 07, 2021 5:48 pm
by Manmountain
The 'Weapon' position needs adjusting, as the weapon position takes it's starting position from the COM position.
Try and raise it.

Re: I can't make my "car" stable

Posted: Sat Aug 07, 2021 8:47 pm
by GianaSistersFan64
Thank you, it works way better now :)