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Unread 17-01-2010, 14:17
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AKA: Richard Sisk
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Re: pic: 2010 window motor winch

I have to agree with Tom about the great explanation from Joe, but, show some mercy on a software guy and explain the formula use to calculate the 54W below.

TIA

Quote:
If you are trying to lift a 120lbs motor 3ft in 10 seconds -- that means you need 54 Watts. If you only have 40Watts (the best you can do with 2 window motors at 12V) then you are not going to do that much work (lifting the robot that high) in that amount of time... ...no matter how you gear things...
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