[ODE] three-body joints

[Gary R. Van Sickle]

> The differential is a joint between the drive shaft, and the 
> two axels that go to the wheels.

Right.  So doesn't a universal joint between each half-axle and the drive
shaft do it?

>  Actually, since some 
> angular momentum is transferred to the chassis as well, I 
> guess it has to be a 4-body joint.

...With some hinge joints for support of the half-axles?

-- 
Gary R. Van Sickle