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General repair instructions > < Overview - power transmission

Leon Mk1

Calculating overall gear ratio „i“
Calculating overall gear ratio „i“
Example:
   
 6. gearFinal group
Driving gearZG1 = 49ZA1 = 15
driving gearZG2 = 38ZA2 = 76

i = Z2 : Z1 → Remark
iG = Gear ratio of a gear = ZG2: ZG 1 = 38 : 49 = 0,776
iA = Final group gear ratio = ZA 2 : ZA1 = 76 : 15 = 5,067
itotal. = Overall ratio = iG x iA = 0.776 x 5.067 = 3.932
1)  Z1 = Number of teeth of driving gear, Z2 = number of teeth of driving gear.
   

General repair instructions > < Overview - power transmission