| 41. | The pure turbojet engine is not fuel-efficient.
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| 42. | Saab had initially envisaged powering the " P1150 " with the indigenously produced STAL Dovern turbojet engine.
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| 43. | One of the last applications for a turbojet engine was the Concorde which used the Olympus 593 engine.
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| 44. | The J40 represented a big opportunity for Westinghouse to become a prominent player in the turbojet engine market.
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| 45. | This configuration was formerly very commonly used in aircraft engines before being superseded by turboshaft and turbojet engines.
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| 46. | Heinkel had developed the turbojet engine and the testbed aircraft, the Heinkel He 178 V1, in great secrecy.
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| 47. | The X-48C was instead modified to use two Advanced Micro Turbo ( AMT ) turbojet engines in 2012.
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| 48. | The Comet was powered by two pairs of turbojet engines buried in the wings close to the fuselage.
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| 49. | The development of this engine lost focus in favor of the new hypersonic precooled turbojet engine ( PCTJ ).
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| 50. | In 1991 Ohain and Whittle were jointly awarded the Charles Stark Draper Prize for their work on turbojet engines.
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