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Following diagram represents?(a) Wing fillet(b) Wing chamfer(c) T-tail arrangement(d) Wing dragThis question was posed to me in examination.I need to ask this question from Configuration Layout topic in section Configuration Layout and Loft of Aircraft Design

Answer»

The CORRECT option is (a) Wing fillet

For EXPLANATION I would say: Wing fillets are arcs as shown in figure. Wing fillets are USED to improve smoothness of the root of the AIRFOIL as shown. This will result in improvement of aerodynamic efficiency. A typical fillet is a circular ARC.



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