| 1. | Turbojets hold more passengers, fly further and make less noise.
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| 2. | Turbojets are particularly suitable for aircraft travelling at very high speeds.
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| 3. | At lower speeds, the turbojet provided most of the compression.
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| 4. | The Comet 1 featured de Havilland Ghost 50 Mk1 turbojet engines.
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| 5. | The later TU-144D featured turbojet engines with comparable efficiency.
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| 6. | Bramo was also developing another turbojet, the 109-002.
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| 7. | NACA 144 also began its flight program with a turbojet powerplant.
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| 8. | The next batch were powered by the more powerful J47 turbojets.
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| 9. | Each one is equipped with VTOL capability and five turbojet engines.
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| 10. | Testing of the X211 was confined to the XJ87 turbojet sections.
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