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Brequet Range expression value is maximum at __________(a) 1.316 Vmd(b) 1.216 Vmd(c) 1.3 Vmd(d) 1.2 VmdThis question was addressed to me at a job interview.This question is from Cruise Method 1 topic in chapter Cruising Performance of Aircraft Performance

Answer»

The correct OPTION is (a) 1.316 Vmd

For explanation: Brequet RANGE EXPRESSION is given by R1 = \(\frac{V}{C}\frac{L}{D}\) ln ω where V is true airspeed, C is specific fuel CONSUMPTION, L is lift, D is drag, and ω is fuel ratio. This Brequet Range expression comes in the cruise method 1. Brequet Range expression value is maximum at 1.316 Vmd.



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