Reaction Engines raises £26.5 million for 3D printed rocket/jet SABRE propulsion

$37.6 million) in Reaction Engines Limited, a UK-based aerospace company working on the 3D printing enabled SABRE engine and future hypersonic travel. Capable of Mach 5.4 and Mach 25 speeds, the Synergetic Air-Breathing Rocket Engine (SABRE) travels at 5.4 and 25 times the speed of sound, ...