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Which of these has the lowest disk loading?

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in Aerodynamics by (773k points)
Which of these has the lowest disk loading?

(a) Quadcopter

(b) Helicopter

(c) Airplane

(d) Cyclocopters

This question was addressed to me in an interview.

This intriguing question originated from Helicopter Rotor and Notations in division Helicopter Dynamics of Aerodynamics

1 Answer

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Best answer
Correct option is (b) Helicopter

To explain: The use of high disk loading rotors for lifting compromises vertical flight capability, both in terms of power and reduced hover endurance. Of all the VTOL aircraft, helicopter has the lowest disk loading and thus has the most powerful vertical flight capability.

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