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Unread 06-02-2012, 00:39
Aren Siekmeier's Avatar
Aren Siekmeier Aren Siekmeier is offline
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FRC #2175 (The Fighting Calculators)
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Re: 1986 Quadzilla Gearbox

Quote:
Originally Posted by Alpha Beta View Post
2 motors would get the job done. 4 motors were possible, so instead of saying why, we said why not.
Precisely. We are going with a 4 motor shooter gearbox, for which the parts will be rolling in this week. We managed it with some stock gears, shafts, and bearings and some custom plates we're sending to a local machine shop. They're nothing we couldn't have made ourselves, but frankly its a lot easier and less time consuming on a CNC machine.

4 motors means you can make the key shot you were making with two motors with a much bigger margin for closed loop speed control, meaning the wheel will remain consistent in the long term with battery voltage fluctuations, and potentially in the short term in the time frame of each shot (if the control loop can respond fast enough). Also, now you have the motor power to chuck the ball full court if you ever want to (and get 3 points, of course )