[gmendel]

ATTN ALL:
Our chassis will be "C" shaped with our rolling mechanism situated on the inside of the "C", therefore having none of the parts extending from the outside of the chassis, looking sort of like this:

(X marks the spot)
=======================
==wheel===wheel===wheel==
==----------------\xxxxxx/
==-----------------\xxxx/
==------------------\xx/
==------------------/xx\ <-- Balls go this way
==-----------------/xxxx\
==----------------/xxxxxx\
==---------------/xxxxxxxx\
==wheel===wheel===wheel==
=======================

Cruddy ascii art is cruddy, lol.

I hope that answers any questions you had!