Calculate the maximum torque the motor can develop

Reference no: EM131810765

Question: A high-speed hydraulic motor is mounted to drive the final drive (gearbox) on a vehicle. (The vehicle has two motors each mounted in a gearbox to power the two rear wheels. This problem concerns only one of the motors.) You estimate that the maximum torque required to start the vehicle (on a slope and fully loaded) is 20,850 lbf -in. The ratio of the gearbox is 18.25:1, and the motor displacement is 2.03 in³/rev. The relief valve is set on 3000 psi. Stall torque efficiency is 58% for this motor design, and the zero rpm mechanical efficiency of the gearbox is 90%. Calculate the maximum torque the motor can develop to get the vehicle started (zero rpm). Is this torque sufficient to get the vehicle started?

Reference no: EM131810765

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