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Following diagram represents ________ (a)pitching moment coefficient diagram of unstable aircraft

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in Aircraft Design by (701k points)
Following diagram represents ________

(a) pitching moment coefficient diagram of unstable aircraft

(b) pitching moment diagram for stable aircraft

(c) lift curve slope

(d) drag polar

I got this question during an online interview.

My doubt is from Longitudinal Static Stability and Control-1 topic in division Stability, Control, and Handling Qualities of Aircraft Design

1 Answer

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Best answer
Right option is (a) pitching moment coefficient diagram of unstable aircraft

The explanation: As shown in the diagram typical pitching moment coefficient curve is shown. As shown it is used to provide relationship between pitching moment coefficient and angle of attack. Given diagram is illustrating the concept of statically unstable aircraft. Lift curve is related to lift and AOA.

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