[ODE] Chain of cars

[Gary R. Van Sickle]

> Hello DjArcas,
>
> > However, that chain of objects has a serious number of joints and
> > contact points in that island, so it can be very expensive to
> > calculate.
>
> The joints between the cars can be set to resolve very loosely, which
> should reduce the expense of the calculation. Train couplings are
> naturally not extremely rigid, so here it actually adds to the
> realism, methinks.
>

This sounds like it might make a good test case for speed and I suspect
stability (many objects hooked together with rigid constraints).

Of course, I'm not volunteering or anything... ;-)

--
Gary R. Van Sickle