There's also no aerodynamic reason for the 777 to be worse at gliding than any comparable plane. It's a function of the lift-to-drag (L/D) ratio, which is approximately 19-20 for a 777 and is more or less the same as any other large plane of its generation - and better than 17-18 on the 747s, for example. Planes with drastically worse L/D ratios than their competitors would be pretty hard to sell (not so much because of gliding, but because L/D ratios also happen to be one of the main factors in determining fuel consumption).
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Last edited by CCIP; 09-07-15 at 10:05 PM.
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