View Full Version : Final drive ratio
AJ Roberts
03-07-2010, 07:19 PM
Im setting up the speedo on fusion exceed esc and need to know what the final drive ratio is??? im running a 20t pinion and 75t spur, any help to work it out and i would be very grateful :thumbsup:
bigred5765
03-07-2010, 07:34 PM
spur gear 75 divided by 20 pinion times gearbox ration which is 2.61
75/20=3.75 x 2.61=9.7875
AJ Roberts
03-07-2010, 07:57 PM
spur gear 75 divided by 20 pinion times gearbox ration which is 2.61
75/20=3.75 x 2.61=9.7875
Spot on, cheers mate :thumbsup:
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