Around £200 million has been wiped off the value of a company seeking to make hypersonic flight a reality. Reaction Engines, based in Abingdon, Oxfordshire, was founded in 1989 by three propulsion engineers from Rolls Royce. It has developed a Synergetic Air Breathing Rocket Engine – SABRE – which contains precooler technology able to deal … Continue reading £200m value wiped off ‘Concorde successor’ Reaction Engines