| 21. | As bypass ratio increases, the mean radius ratio of the fan and low-pressure turbine ( LPT ) increases.
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| 22. | Additionally, the VC10 was powered by the Conway, albeit in a higher-powered version with much greater bypass ratio.
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| 23. | The engine's fan has approximately a 5 to 1 bypass ratio for improved fuel efficiency and low acoustic signature.
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| 24. | This feature, related to the high bypass ratio turbofan, reduces the noise from the engines and improves fuel efficiency.
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| 25. | The accident airplane, a McDonnell Douglas General Electric Aircraft Engines ( GEAE ) CF6-6D high bypass ratio turbofan engines.
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| 26. | The BR725 has a bypass ratio of 4.2 : 1, and is 4 dB quieter than the predecessor BR710.
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| 27. | Pratt & Whitney's design changed to incorporate a 15 % larger fan, increasing bypass ratio from 0.25 to 0.30.
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| 28. | The increase in core size and overall pressure ratio raised the core flow, decreasing the bypass ratio to 4.26.
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| 29. | The "'Pratt & Whitney JT9D "'engine was the first high bypass ratio jet engine to power a wide-body airliner.
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| 30. | The ratio of this air to the amount of air flowing through the engine core is the bypass ratio.
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