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Reaction Engines signs Cooperative Agreement with USAF Lab
by Staff Writers
London, UK (SPX) Jan 14, 2014

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The CRADA provides a framework to assess the performance, applications and development paths for REL's SABRE air-breathing rocket engine, a new class of aerospace engine designed for low cost, responsive space access and high speed atmospheric flight. This CRADA is the first U.S. government formal relationship with Reaction Engines Ltd. and will be used to inform U.S. government stakeholders about the SABRE engine's potential for hypersonic vehicle applications.

Alan Bond, Managing Director commented - "The signing of this agreement with AFRL builds on an extraordinary period for Reaction Engines Ltd which has seen the successful demonstration of SABRE's ultra-lightweight high performance heat exchanger technology and a UK Government commitment of $100m towards the next phase of development of the SABRE engine."

AFRL/RQ project manager Barry Hellman stated that "This CRADA opens the door for joint development and testing to help AFRL understand the SABRE engine's technical details, and whether it may offer unique performance and vehicle integration advantages when compared to traditional hypersonic vehicle concepts. We look forward to exploring the engine and its lightweight heat exchangers which have the potential to enable hypersonic air-breathing rocket propulsion."

REL has developed ultra-lightweight air heat exchanger technology that can transfer the same amount of heat generated by an electricity power station (450MW) using equipment that weighs less than a standard car (< 1.5 tonne) and can cool air from 1,000C to minus 150C in 1/100th second whilst preventing the formation of ice at sub-zero temperatures.

Combined with unique thermodynamic cycles, REL's heat exchangers enable a new aerospace engine called SABRE that can fly at Mach 5.5 in the atmosphere (twice as fast as a jet engine) and then subtly transition to a rocket mode of operation allowing spaceflight at up to orbital velocity, or Mach 25 (7.5 kilometres per second). The viability of the SABRE engine has been independently validated by the European Space Agency during a review undertaken at the request of the UK government.


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