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A subsonic aircraft wing has aspect ratio of 8. Now we have been asked to provide winglet to this wing. Evaluate approximate value of effective aspect ratio of winglet is considered.

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A subsonic aircraft wing has aspect ratio of 8. Now we have been asked to provide winglet to this wing. Evaluate approximate value of effective aspect ratio of winglet is considered.

(a) 9.6

(b) 23

(c) 32

(d) 4.89

I have been asked this question in class test.

This intriguing question originated from Aerodynamics topic in division Aerodynamics of Aircraft Design

1 Answer

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The correct choice is (a) 9.6

Easiest explanation: Approximate effective aspect ratio = 1.2*Wing aspect ratio

= 1.2*8 = 9.6.

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