An aircraft running on hydrogen that races through the upper atmosphere at speeds exceeding twelve times the speed of sound might seem like a fantasy reserved exclusively for science fiction. That, ...

Key Points and Summary - Boeing’s X-51A “Waverider” was a hypersonic tech demonstrator built with AFRL, DARPA, and Pratt & Whitney Rocketdyne to validate scramjet flight. -Air-dropped from a B-52, the ...

Japan's Acquisition, Technology & Logistics Agency (ATLA) has started prototyping components in support of its programme to develop ascramjet-powered hypersonic missile.

Supersonic combustion and scramjet engine dynamics represent a frontier in aerospace propulsion, offering a pathway to ultra‐high-speed flight through the efficient combustion of fuel in a supersonic ...