A motor driving a solid circular steel shaft transmits 85 horsepower to a gear at point B (see sketch below).  The allowable shear stress in the steel shaft is 6000 pounds per square inch.  Determine: The minimum diameter d of the shaft if the shaft is operated at 1350 rpm (revolutions per minute).  If the shaft transmits the same power (85 horsepower) at 3500 rpm, will the shaft diameter be larger or smaller than the required diameter of part 1.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A motor driving a solid circular steel shaft transmits 85 horsepower to a gear at point B (see sketch below).  The allowable shear stress in the steel shaft is 6000 pounds per square inch.  Determine:

  1. The minimum diameter d of the shaft if the shaft is operated at 1350 rpm (revolutions per minute). 
  2. If the shaft transmits the same power (85 horsepower) at 3500 rpm, will the shaft diameter be larger or smaller than the required diameter of part 1.
Motor
B
Transcribed Image Text:Motor B
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