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From following diagram find the value of MAC of wing.(a) 5.8m(b) 6.8m(c) 2.5m(d) 10mThis question was addressed to me in my homework.My doubt stems from Configuration Layout topic in chapter Configuration Layout and Loft of Aircraft Design

Answer»

Correct CHOICE is (a) 5.8m

For EXPLANATION: Given, Cr = 10m, Ct = 2M and TAPER ratio t = Ct/Cr = 2/10 = 0.2

MAC is given by,

MAC = (2/3)*Cr*((1+t+t2) / (1+t))

= (2/3)*10*((1+0.2+0.2^2) / (1+0.2)) = 5.79 = 5.8m.



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