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Which of the following is not the type of aircraft dynamic mode?(a) Flap(b) Dutch roll(c) Phugoid(d) Lateral modeI have been asked this question in an internship interview.My query is from Dynamic Stability in section Stability, Control, and Handling Qualities of Aircraft Design

Answer»

The correct option is (a) Flap

The EXPLANATION: Flap is a high lift DEVICE. Flap is USED to INCREASE lift produced by the wing. Flaps are used to increase camber and overall surface area of the wing. This results in increased lift. Dutch roll, phugoid, lateral mode etc. are typical aircraft dynamic MODES.



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