difference between RayCastConstraint and HingeConstraint ?

[beegee]

I'm developing a car physics engine based on Bullet and I've got a question related to the constraints. What's the great difference(pro, cons) between the RayCast vehicle-based physics model and a Hinge-like constraint physics model? My primary carPhysics class is designed to be compatible with these two constraint models.


Thanks for answering.