The Reaction Engines SABRE, the Precooler That Chills Mach Five Air to Minus One Fifty in a Millisecond, and the Hybrid Engine That Could Make Every Airport a Spaceport
Britain's Reaction Engines has validated a precooler that cools Mach 5 air from 1,000°C to -150°C in one millisecond - the breakthrough enabling a runway-launched spaceplane to reach orbit.
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