Mounting Hub / Wheel for Pelton Bucket - Designed to be printed on 100x100 Bed

I made this wheel/hub to mount Pelton Buckets. I am working towards using a 12v Hobby motor to generate power. I am working on a gear train to drive the motor from the wheel.

The Pelton Bucket is at:

http://www.thingiverse.com/thing:41221