Topic: hypersonic propulsion technology

ESA Spaceplane Revives Bankrupt Firm’s Hypersonic Engine

The ESA-backed Invictus project aims to develop a hydrogen-powered spaceplane capable of Mach 5 speeds, using pre-cooler technology from the defunct Reaction Engines. The reusable spaceplane will take off horizontally, cruise at the edge of space, and rely on a cryogenic hydrogen pre-cooler to ma...