Ahh yes, the ball drive. I would search the forums here for "technokat ball drive".
Here are some threads that you may be interested in.
http://www.chiefdelphi.com/forums/sh...t+ball+dr ive
http://www.chiefdelphi.com/forums/se...earchid=493678
Mark Koors was the engineer that designed the ball drive. He doesn't post too often, but if you have any questions that you cannot answer from the above threads [which are full of information] you may be able to give
Andy Baker a shout. If you want any additional images, you may be able to get ahold of my brother,
Clark Gilbert . Most of the past Technokat images are from him, so I'm sure he has quite a few saved.