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Scooter,
Does the robot run when you lift it off the floor? If it does then your wheel axle(s) is probably binding. Since you are using the drill motor transmission combo, is the trans firmly selected into one gear or the other? Start with the simple stuff, disengage the drive wheel gear from the rest of the drive system and see how easy it is to turn the wheels. If that seems OK then see if you can drive the drill motors without being connected to the drive wheels. If that is OK then the gears are not meshing right. I suspect you will find a mechanical problem is the cause if you are using the supplied FIRST drive system. Many teams have reported over tightening causes the parts to crack.
Let us know what you find.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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Storming the Tower since 1996.
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