| 41. | I was only talking about its twin turbofan design.
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| 42. | The T55 also serves as the core of the Lycoming ALF 502 turbofan.
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| 43. | The aircraft were powered by two Pratt & Whitney TF30 afterburning turbofan engines.
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| 44. | Most modern jet engine designs are turbofans, which have largely replaced turbojets.
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| 45. | On turbojet and turbofan airplanes, the outboard engines are usually equally critical.
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| 46. | A modern turbofan engine can operate at as high as 48 % efficiency.
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| 47. | Engines : Usually two CFM International turbofans mounted below and forward of the wings.
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| 48. | The powerful turbofan engines are extremely quiet and are located aft ofthe cabin bulkheads.
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| 49. | Turbofan engines were rejected due to their larger cross-section producing excessive drag.
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| 50. | The first General Electric turbofan was the aft-fan Lunar Landing Research Vehicle.
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