Emerging as spin-out from Oxford University, Reaction had hoped to sell its developmental SABRE hypersonic engine for either civil or military applications. Although it saw some modest success ...

Reaction Engines was developing a hybrid jet and rocket engine, called Sabre, which could enable hypersonic space planes to ...

Reaction, which was founded in 1989, is building “Sabre”, short for Synergetic Air Breathing Rocket Engine, a new design that combines a conventional jet with a rocket. Sabre can work like a ...