Answer to Question #151939 in Mechanical Engineering for Banda

Question #151939
A propeller shaft has external and internal diameter 25cm and 15cm, what power can be transmitted at 110 revs/minute with a maximum shearing stress of 75 MN/m^3 and what will be twist in degrees on a 10 meter length of the shaft?.
1
Expert's answer
2020-12-22T05:07:20-0500

The polar second moment of area or the torsion constant of the cross- section about an axis through the centre





The power generated is



The angle of twist is







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