Concerning!
"China is reminding the world that it is very much in the race to deploy hypersonic missiles, with a team at the School of Aeronautics and Astronautics of Northwestern Polytechnical University successfully launching the Feitian-1, a Rocket-Based Combined Cycle (RBCC)-propelled vehicle, in northwestern China. ...
What is particularly interesting about the launch of Feitian-1 is that it uses an RBCC engine to propel it to speeds in excess of Mach 5. An RBCC engine is a combination of an air-breathing ramjet, air-breathing scramjet, and ducted rocket. As the vehicle accelerates, the engine transfers from one mode to the next, allowing it to cope with air hitting the intake at greater and greater speed, and then becoming a pure rocket at top speed and very high altitudes. ..."
What is particularly interesting about the launch of Feitian-1 is that it uses an RBCC engine to propel it to speeds in excess of Mach 5. An RBCC engine is a combination of an air-breathing ramjet, air-breathing scramjet, and ducted rocket. As the vehicle accelerates, the engine transfers from one mode to the next, allowing it to cope with air hitting the intake at greater and greater speed, and then becoming a pure rocket at top speed and very high altitudes. ..."
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