how it works enabling technologies demonstration programmes space access skylon skylon technical skylon capabilities mach 5 cruise lapcat download image gallery movie gallery careers news new updates news archive 2012 2011 2010 2009 2008 press releases press articles the greatest advance in propulsion since the jet engine reaction engines secures funding to enable development of sabre demonstrator engine reaction engines ltd. announces today the signing of a 10m development contract with the european space agency finalising the uk government s 60m commitment . see the latest news and press release for details read more here rel strengthens management team and establishes us based subsidiary rel has appointed mark wood to the newly created role of chief operating officer & engineering director and has established a new us based subsidiary reaction engines inc. to support the expansion of the company s development efforts and engage with potential us government and industry partners . see the latest news and press release for details read more here rel and bae systems to develop a ground breaking new aerospace engine bae systems plc and reaction engines limited today announced a strategic investment by bae systems and a working collaboration to accelerate reaction engines development of sabre a new aerospace engine class that combines both jet and rocket technologies with the potential to revolutionise hypersonic flight and the economics of space access . bae systems and rel to develop a new aerospace engine read more here the sabre engine 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 . the skylon spaceplane to demonstrate the application of sabre engines to space access rel has designed skylon the first vehicle designed to be powered by sabre engines . learn more right left rel technologies heat exchangers the sabre engine the skylon spaceplane frequently asked questions click here for the answers follow us on twitter contact us your message copyright 2015 reaction engines ltd all rights reserved . legal sitemap faq