Hermeus Tests Scaled Engine To Mach 5

Artist's concept of Mach 5 aircraft
Credit: Hermeus
LOS ANGELES—Atlanta-based hypersonic aircraft developer Hermeus has completed scaled static and high-speed laboratory tests of a turbine-based combined cycle (TBCC) engine prototype up to Mach 5 and is working on near-term plans to test transition between engine modes. The company is focusing on...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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