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Unread 30-01-2009, 18:56
travis travis is offline
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Join Date: Feb 2007
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Re: P60 planetaries gearboxes

I pressed on the pinions with two 0.005" shims to keep the back from bottoming on the motor boss. Three out of four pinions were still ~0.6" proud of the front of the motor case. I filed all the faces to just under 0.57" and now all of the motors (including a RS-454/256:1 combo) draw <5 amps, no load. With the stock RS-454 shaft and the FP motor shaft cut to the same length, the end of the motor shaft was still recessed below the pinion face with that ammount of filing. If you don't have acess to shim stock, a piece of paper is about 0.003" thick.

Thanks to Banebots for speaking with me at length on the phone the other day, offering several suggestions to combat my issue.

Travis
 


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