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A ramjet in which combustion takes place in a stream of gas moving at supersonic speed.
- ‘Unlike conventional rocket engines, which must carry oxidizer on board, ramjets and scramjets take in air from the atmosphere and compress it enough to burn.’
- ‘Here scramjets beat the speed of sound using the Pegasus rocket, which later separates from the vehicle.’
- ‘Like the comparatively slower ramjet counterpart, the scramjet has a simple mechanical design with no moving parts.’
- ‘The advantages of the technology are clear: the scramjet contains relatively few moving parts compared to a conventional turbine jet engine.’
- ‘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.’
1960s: from s(upersonic) + c(ombustion) + ramjet.
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