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Unread 13-01-2003, 09:23
ROB at RAGE ROB at RAGE is offline
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Join Date: Nov 2002
Location: East Hartford CT
Posts: 16
ROB at RAGE is an unknown quantity at this point
If you shift the drill transmissions, and reduce 3 or 4 to 1 on the final drive to 6 " diameter wheels there should be no need for ganging drive motors. The 2 to 1 reduction worm gears coupled with the big wheels in the kit is way to much speed and too little torque. It was nice of FIRST to try to give the rookies some good stuff, but if that is used directly with no further reduction they are going to get pushed all over court. The FIRST people may not have realized how much pushing power a lot of teams had las year.

Hint 1: The kit wheels may not be the best grip out there.

Hint 2: Learn what wheels give good traction on all 3 surfaces.

Hint 3: Max power output form the motors is when they are loaded down to about 1/2 of free speed rpm when powered to full voltage. Look at the current draw if you have 4 big motors at max power and if they are stalled?

Hint 4: Shifting is not hard, but you need to learn how to make sure the shift is complete before putting the pedal to the metal, a little programing and limit switches can make this happen.

Enjoy,

Rob at Rage
 


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