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Allocation gearbox - engine > < General notes

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Calculation of gear ratios
Calculation of gear ratios
Example:
   
 5th gearFinal drive
Drive gearZG1 = 36ZA1 = 26
Driven gearZG2 = 29ZA2 = 68

I = ZG2 : ZG1 → Remark
iG = Gear ratio = ZG2: ZG1= 29 : 36 = 0.806
iA = Final drive ratio = ZA2 : ZA1 = 68 : 26 = 2.615
Overall ratio = total ratio = iG x iA = 0.806 x 2.615 = 2.108
1)  Z1 = No. of teeth on driving gear, Z2 = No. of teeth on driven gear
   

Allocation gearbox - engine > < General notes