GLASGOW, Scotland – Details of the critical technology at the core of an innovative hybrid hypersonic propulsion system for air and space systems have been unveiled for the first time by its British-based developer, Reaction Engines. The company’s Synergetic Air-Breathing Rocket Engine (Sabre) is designed to power a vehicle from a standing start to Mach 5.5 in air-breathing mode, and from the edge of the atmosphere to low Earth orbit in pure rocket mode. A fundamental enabler of ...


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