[Andy Brockway]

Originally Posted by Jeff Waegelin

As I understand it, having seen the exploded view, the sun gear is on the motor output, the planets are stationary, and the ring gear is locked to the wheel. If I'm not mistaken, this setup will cause the ring gear to spin in the opposite direction as the motor, with a reduction equal to the number of teeth on the ring, divided by the number of teeth on the sun gear. Is this correct?

This is the same as I see it. I missed the planets being fixed. Do you know what the ratio would be if the outer ring is fixed and the wheel is attached to the planets?

A very interesting design. The first of the summer season!