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by buildsjets
30 days ago
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On a normal takeoff, a 4 engine aircraft has less excess power available than a 2 engine aircraft. Aircraft engines are sized to provide a minimum climb gradient with a single engine inoperative. A twin engine aircraft with an with an engine failure had lost 50% of its power. A quad with an engine failure is only down 25%. So the twin’s engines are oversized to compensate. |
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