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					Originally Posted by  ddmckee54
					 
				 
				With the gear ratios you've got in the transmission what are your scale speeds? 
 
I think you said you tried to stay close to the original ratios in the transmission, but the difference between your electric motor's max RPM and a diesel's max RPM could be why you need more reduction. 
			
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 With the current gear ratio top speed in scale 1/1 is around 25 mph. The real one can reach about 30 mph.
The electric motor should reach 5,500 rpm, while the diesels do 2,100 rpm.
Kerst