The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m...

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The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.01 m, respectively. The respective rotational speeds are 454 rev/min and 4,120 rev/min. Calculate the speeds of the tips of both rotors. main rotor tail rotor Compare these speeds with the speed of sound, 343 m/s. V V V main rotor tail rotor m/s m/s = sound V sound The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.64 m and 1.01 m, respectively. The respective rotational speeds are 454 rev/min and 4,120 rev/min. Calculate the speeds of the tips of both rotors. main rotor tail rotor Compare these speeds with the speed of sound, 343 m/s. V V V main rotor tail rotor m/s m/s = sound V sound

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Rotor Tip Speeds and Comparison with Sound Speed Calculations Convert rotational ... View the full answer