Hypersonic Rocket Engine Passes Testing Milestone

https://www.extremetech.com/wp-content/uploads/2019/04/sabre-768x424.jpg 768w, https://www.extremetech.com/wp-content/uploads/2019/04/sabre-640x353.jpg 640w, https://www.extremetech.com/wp-content/uploads/2019/04/sabre-106x59.jpg 106w, https://www.extremetech.com/wp-content/uploads/2019/04/sabre-672x371.jpg 672w, https://www.extremetech.com/wp-content/uploads/2019/04/sabre.jpg 1344w" sizes="(max-width: 300px) 100vw, 300px" /> Reaction Engines says it successfully tested an integral component of its Synergetic Air Breathing Rocket Engine (SABRE). This could clear the way to build rocket engines that push commercial aircraft to several