Hermeus Propulsion Test Marks Milestone Toward Hypersonic Flight

Chimera TBCC in

The blue exhaust flame of the Chimera TBCC in turbine mode (left) changes to a melange of yellow and orange after transitioning to ramjet mode (right).

Credit: HERMEUS
The viability of aircraft developer Hermeus’ high-Mach vehicle-family plan hinges on the ability of the company’s turbine-based, combined-cycle propulsion system to transition seamlessly back and forth between turbojet and ramjet modes. The success of recent work to demonstrate this key capability...

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