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Which of the following is correct?(a) Weight will be more for higher aspect ratio wing(b) Military aircraft have much higher aspect ratio(c) Civil aircraft are flying at hypersonic speed(d) Lofting is a conceptual design of wingThe question was posed to me in a job interview.Query is from Wing Geometry-1 in section Airfoil and Geometry Selection of Aircraft Design

Answer»

Correct answer is (a) Weight will be more for higher aspect ratio WING

Best explanation: Aspect ratio affects span and reference area. For same area if aspect ratio is more then, the corresponding VALUE of span will be more as well. This will increase MATERIAL requirements and which INCREASES weight of the wing.



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