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An aircraft with crew and payload of 180kg is flying. If fuel weight fraction is 0.353 and empty weight fraction 0.481 then, what will be the gross weight of aircraft?

An aircraft with crew and payload of 180kg is flying. If fuel weight fraction is 0.353 and empty weight fraction 0.481 then, what will be the gross weight of aircraft? Correct Answer 2391lb

Given crew and payload = 180kg, Fuel weight fraction Wf / W0 = 0.353, empty weight fraction We / W0 = 0.481 Gross weight of aircraft is, W0 = Wcrew + Wpayload + Wfuel + Wempty By re-arranging, W0 = Wcrew + Wpayload / = 180 / = 1084.33 kg = 2390.96lb

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