[ODE] Simulation of tank

STenyaK (Bruno Gonzalez) stenyak at gmx.net
Fri Sep 8 10:29:15 MST 2006

GTA 3 used 3 wheels per side in tanks IIRC. I think your problem might be  
related with outer tires rotating more than inner ones (circle radius is  
bigger when the tank is rotating without traslating). Therefore you may  
want to send less torque the closer the wheels are to tank center of  

On Fri, 08 Sep 2006 18:12:11 +0200, Peter Libič <Peter.Libic at seznam.cz>  

> Hi,
> I'm trying to write a simulation of a tank on a trimesh terrain.
> I tried to simulate it using one box with four spheres-wheels in corners.
> Then I applied torque or amotor to the wheels. For turning I applied to  
> left wheels
> more torque and to  the left wheels  less, or negative torque. This  
> didn't worked well.
> So I tried to let the wheeels only for acceleration and braking and to  
> turn I used torque
> for the chasis-box in desired direction. When I reduced the mu value  
> this worked quite well
> for big wheels and boxes, but for smaller ones it's really bad.
> Could anyone give me advice, how should I simulate the tank?
> Thanks a lot,
> Peter
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