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design of differentials

Question asked by zaveri in #Coffee Room on Apr 6, 2012
zaveri · Apr 6, 2012
Rank A3 - PRO
in a differential, the pinion gear is rather smaller than the crown gear. so does torque step-up take place when power is transfered from the pinion to the crown gear ? is the amount by which the multiplication takes place significant ? Posted in: #Coffee Room
mechky · Apr 8, 2012
Rank C2 - EXPERT
Yes, the pinion gear is smaller than the ring gear or the crown wheel. One of the task of the differential is to act as the final gear reduction in the vehicle after the gearbox. It is quite obvious that it will step-up the torque. Look at the rear axle ratio of any car. It is significant.

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