I just recived my parts from Solarbotics. Got the L293 Motor driver and two GM17 motors. They are working great on 7.2v, there alot better than the servos I had. It is moveing the chassie around just fine! Now just need to put on the three sides and the head.
Image of the GM17 motor very nice.
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https://www.youtube.com/watch?v=L9TjpOqU7N4