Two motors deliver 119 hp each at 1000 rpm to shafts at A and D. The shaft transmits torque through meshed gears at B and E, and has a fixed support at F as shown. Assuming the shear modulus of the shaft is 11 x10 ksi and the section is solid circular, determine the required diameter (d) of the shafts if: a. The allowable shear stress (Tall) is 8,000 psi b. The allowable angle of twist at A is 1.5°. c. The allowable angle of twist at A is 1.5° and the shaft section was tube with inner diameter 4.5 in. (di) of 1.5 in (find the outer diameter d2). 6 in. 12 in. in. 6 in.

Two motors deliver 119 hp each at 1000 rpm to shafts at A and D. The shaft transmits torque through meshed gears at B and E, and has a fixed support at F as shown. Assuming the shear modulus of the shaft is 11 x10 ksi and the section is solid circular, determine the required diameter (d) of the shafts if: a. The allowable shear stress (Tall) is 8,000 psi b. The allowable angle of twist at A is 1.5°. c. The allowable angle of twist at A is 1.5° and the shaft section was tube with inner diameter 4.5 in. (di) of 1.5 in (find the outer diameter d2). 6 in. 12 in. in. 6 in.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.12P

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