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 ...

Two months in, during the development of the Advanced Strategic Air-Launched Missile for the Air Force, I experienced my first ramjet test. Solid- and liquid-fuel rockets contain both the fuel and ...

I showed the article to my buddy Walt. After perusing the cutaway views of turboprop, turbojet, and ramjet engines, we concluded that the ramjet was the simplest. “Hey, we can build one of those!” ...