A typical jet transport aircraft needs to be sized based on following parameters. Wing area S=50m^2, MAC=5m. If tail volume coefficient of horizontal tail is 1 and tail area is 10m^2 then, find the required tail moment arm.(a) 25m(b) 50m(c) 25cm(d) 65inI had been asked this question in an interview.This intriguing question originated from Geometry Sizing in section Initial Sizing of Aircraft Design

A typical jet transport aircraft needs to be sized based on following

1.	A typical jet transport aircraft needs to be sized based on following parameters. Wing area S=50m^2, MAC=5m. If tail volume coefficient of horizontal tail is 1 and tail area is 10m^2 then, find the required tail moment arm.(a) 25m(b) 50m(c) 25cm(d) 65inI had been asked this question in an interview.This intriguing question originated from Geometry Sizing in section Initial Sizing of Aircraft Design
Answer» The CORRECT choice is (a) 25m To explain I would SAY: Given, WING area S=50m^2, MAC=5m.

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