A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...
To date, NASA still holds the scramjet speed record for its X-43a experimental aircraft which achieved Mach 9.68 on November 16, 2004. “Compared to a Boeing 747, if you look at designs for ...
The first scramjet, an airbreathing jet engine capable of pushing an aircraft beyond Mach 5, was successfully flown in the early 1990s. But while pretty much any other technology you could imagine ...