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If propeller has static tip speed of 600 ft. per second then, find diameter of propeller. Given n = 1250rpm.(a) 9.167(b) 19.8976(c) 23.96(d) 3.2876I have been asked this question during an interview.Asked question is from Propulsion topic in portion Propulsion and Fuel System Integration of Aircraft Design

Answer»

Right choice is (a) 9.167

Easiest explanation: Given, Static tip SPEED V = 600 FT. per second, N = 1250rpm.

Now, diameter d = V*60/π*n = 600*60/π*1250 = 9.167 ft.



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