Just started to use Physx for a dynamic rigging in Maya instead of Bullet, since its constraints are more stable. But I cannot find a solution for impulse rigid bodies or constraint motors.
In a Physx documentation from 2008, there are lines about these things, but in the actual version these features are missing. http://developer.download.nvidia.com/PhysX/tools/dcc-plugins/maya/PhysX_Maya_User_Guide.pdf
Is there any known solution to make a wheel spin for example by keyable force?