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Wheels Spinning, vehicle not moving

Hi,

i have a staticmesh body of a tank with no collision In its blueprint, i added static meshes in wheelshape with collision using constraints.

If i use addforceatlocation to the root of the tank, the tank drives around, wheels are rolling on the ground:

https://www.youtube.com/watch?v=1pixUilbAeE

So far so good. Next step should be rotating the wheels in the suspension to move the tank instead of applying force by vectors to the body.

For testing i just added fixed a relative rotation per tick amount to each wheel. The wheels are the only component touching the grond btw.

So here is the problem: all wheels spinning in the correct direction, tank not moving forwards but slightly backwards ? (In the video, i rotate the tank by appling forces to the body, only to show, that the opposite wheels are spinning in the corret direction too)

https://www.youtube.com/watch?v=MJcz0ulXJgA

Any ideas how i can get the force vector generated by the friciton rooted to the tanks body ?

Product Version: UE 4.12
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asked Aug 07 '16 at 09:45 AM in Using UE4

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head2003
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