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Which of the following does range factor consists?(a) Air density(b) Cruise weight(c) Temperature(d) Cruise weight and air densityThe question was asked in quiz.This intriguing question originated from Cruise Method 1 topic in division Cruising Performance of Aircraft Performance

Answer»

Correct choice is (d) CRUISE weight and air density

For explanation: Range factor consists of cruise weight and air density. Range factor in cruise method 1 is given by \(\left[\frac{V_{mdi}}{C} E_{MAX}\right]\). The range equation in cruise method 1 is given by R1=\(\left[\frac{V_{mdi}}{C} E_{max}\right]\Big\{\frac{2u^3}{U^4+1}\Big\}\) LN ω where V is true airspeed, C is SPECIFIC fuel consumption, L is lift, D is drag, Emax is endurance, u is relative airspeed and ω is fuel ratio.



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