Radical hypersonic engine to take to the skies: 'Fighter jet' sized 4,000mph engine that could go from New York to London in under two hours to be built

Plans for a revolutionary hypersonic propulsion system have now taken a big step toward the construction of a ground demonstrator – but at roughly a quarter the size of the original vision.
Reaction Engines Ltd has scaled back its design for the Sabre engine to bring about a demonstrator that is more affordable and better suited to early applications, including a potential X-plane.
The Oxfordshire-based firm has been developing a turbine that combines both jet and rocket technologies to achieve rates five times the speed of sound, to fly anywhere in the world in just four hours.
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27 September 2016 in Science &Technology, Views: 48
Source: Daily Mail

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