PDA

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: