Author Topic: Gearing (Read 1669 times)

BCbud · « **on:** October 05, 2021, 06:50:03 PM »

Good day!

Could some one give ma a starting point for gearing for 17.5 motors ( pinion and spur )?

Thanks, Neil.

Blake · « **Reply #1 on:** October 06, 2021, 03:31:05 AM »

Good day!

Could some one give ma a starting point for gearing for 17.5 motors ( pinion and spur )?

Thanks, Neil.

Hi Neil,

A rollout of 85mm is a good starting point. Something like this would work:

(43mm tire x 3.14 x 45t pinion) / 72 = 84.4mm rollout

Blake