The figure below shows a boat propeller mounted on a drive shaft with a 7 mm diameter (d) cylindrical drive pin inserted through the hub and the shaft. The drive shaft diameter, D, inside the hub is 69 mm. The pin is made from AISI 1020 cold rolled steel, which has a yield stress of 427 MPa and an ultimate stress of 621 MPa. If the drive pin is subjected to an overload (e.g. strikes a log), calculate the torque (Nm) required to shear the pin. Note: Assume that the max shear stress of the pin material is approximately equal 82% of the ultimate tensile stress. Do not include units in your answer. D Pin Hub Drive pin Drive Shaft shaft T. F Shear planes Hub Answer:
The figure below shows a boat propeller mounted on a drive shaft with a 7 mm diameter (d) cylindrical drive pin inserted through the hub and the shaft. The drive shaft diameter, D, inside the hub is 69 mm. The pin is made from AISI 1020 cold rolled steel, which has a yield stress of 427 MPa and an ultimate stress of 621 MPa. If the drive pin is subjected to an overload (e.g. strikes a log), calculate the torque (Nm) required to shear the pin. Note: Assume that the max shear stress of the pin material is approximately equal 82% of the ultimate tensile stress. Do not include units in your answer. D Pin Hub Drive pin Drive Shaft shaft T. F Shear planes Hub Answer:
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)
Section: Chapter Questions
Problem 8.5.28P: A crank arm consists of a solid segment of length bxand diameter rf, a segment of length bltand a...
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