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Reaction Engines Ltd. can announce today the biggest breakthrough in aerospace propulsion technology since the invention of the jet engine. Critical tests have been successfully completed on the key technology for SABRE, an engine which will enable aircraft to reach the opposite side of the world in under 4 hours, or to fly directly into orbit and return in a single stage, taking off and landing on a runway.
Developed by Reaction Engines over the last 20 years, SABRE is a new engine class that can operate in both air-breathing and rocket modes. The SABRE rocket engine enables aircraft to cruise at speeds of up to five times the speed of sound in the atmosphere or fly directly into Earth orbit.
To demonstrate the application of SABRE engines to space access, REL has designed SKYLON, the first vehicle designed to be powered by SABRE engines.