i just finished my first arduino based robot/vehicle. But i have a few problems: the vehicle only goes about 3mph (w/ x2 9-18v dc motors, opperating at 18v). I thought that the motors (even with only 2) would be able to go much faster than that... the motors have massive battery drain. after 1 min…

New robot:battery drainage advice, mechanical design improvement

system March 15, 2011, 2:17am 2

Here are some more pics if they will help

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