Hypersonic Engine Set for Test Despite Blackswift Cancellation

Credit: DARPA
The first tests of a common turbo-ramjet flowpath at Mach 4 and beyond are getting underway at Arnold Engineering Development Center, setting the stage for a reusable air-breathing hypersonic propulsion system. Turbine-based combined-cycle (TBCC) concepts integrate a high-speed turbojet for takeoff...

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