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					Originally Posted by  RCP57
					 
				 
				Wouldn't a 10 rpm gear motor driving an axle with a 3.75-1 gear ratio give you an output of about 2.6rpm? 
 
Reg 
			
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 You're right! I don't know what I was thinking?! I should have divided, not multiply. 
 
 
You'd need atleast 120rpm to achieve 32rpm wheel speed... 140rpm would be just over 37rpm.