Fasten your seat belt. Seriously (Image: Reaction Engines)
CONCORDE may be languishing in various museums, but the dream of supersonic air travel lives on.
Innovative, reusable rocket engines are being developed that are so powerful, they could one day fly a suborbital spaceplane from London to Sydney in just 4 hours. While Concorde cruised at Mach 2 – twice the speed of sound – with regular jet engines, these new engines are shooting for Mach 5 and beyond – a speed known as “hypersonic”.
Rocket-powered aircraft are capable of hitting far greater speeds than those with simple jet engines. But they are extremely…
