Calculating Transmission Ratio "i"

Calculating Transmission Ratio "i"

Example:






i = ZG2 : ZG1 1

iG = gear ratio = ZG2:ZG1 = 35:43 = 0.814

iA = Axle ratio = ZG2:ZG1 = 69:25 = 2.760

itotal = total ratio = iG x iA = 0.814 x 2.760 = 2.247

• 1 Z1 = Number of teeth on the drive gear, Z2 = Number of teeth on the driven gear