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What mechanism or design aspect prevents jet blast from escaping the front of a Ramjet or scram jet?
Enormous air pressures result in the thrust of a Scram jet or ramjet engine, more so the pressure required to drive the aircraft forward at supersonic and hypersonic speeds. Given that these engines ...
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Are there any planes that have ramjet or scramjet engines?
Are there any planes that have ramjet or scramjet engines? If so, how did they reach the required mach speed for the engines to start functioning?