| Instead of using on-board oxygen to combust the hydrogen fuel, the scramjet scoops up oxygen as it travels through the atmosphere. |
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| The engine, which will be provided by the Air Force, will be a dual-mode scramjet capable of running as a ramjet or scramjet. |
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| The unpiloted vehicle's supersonic combustion ramjet, or scramjet, ignited as planned and operated for the duration of its hydrogen fuel supply. |
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| The task of igniting a scramjet, with air going through the engine at supersonic speed, has been likened to lighting a match in a hurricane. |
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| Like the comparatively slower ramjet counterpart, the scramjet has a simple mechanical design with no moving parts. |
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| A conventional jet engine does this as well but theoretically a scramjet can operate at much higher speeds. |
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| To prepare for the Mach 10 flight, the third scramjet was upgraded slightly. |
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| Because it does not have to carry oxygen tanks, the scramjet could also contain more cargo space. |
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| Developed specifically for scramjet testing in 1987, it has proven to be a versatile test bed for a wide range of suborbital aerodynamic projects. |
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| But its top speed is supposed to be a remarkable Mach 7. The X-43A is powered by an engine known as a scramjet. |
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| There are, in short, formidable obstacles to the construction of a scramjet vehicle. |
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| This has led to the more complex scramjet concept, in which specially developed cryogenic systems cool the air entering the combustion chamber. |
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| The Hyper-X-43A, which is pilotless, four metres long, and has a nose made of solid tungsten, will be the first working aircraft to be powered by a scramjet a supersonic-combustion ramjet. |
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| On this basis, a conceptual hypersonic airplane powered by double symmetric scramjet is proposed. |
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| Aerion does not yet have a manufacturing partner, however. America's armed forces see potential in hypersonic aircraft, which fly at Mach 5 or faster using a type of engine known as a scramjet. |
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| The proposed SABRE engine is not a scramjet, but a jet engine running combined cycles of a precooled jet engine, rocket engine and ramjet. |
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| A scramjet inlet was to capture the onrushing hypersonic airflow, compress it while slowing it, and channel it to the combustor that burned the fuel. |
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