NASA's "quiet" new supersonic jet, the X-59, just passed a key engine test, bringing it closer to its first flight later this ...

The ducted fan is meant to be a stand-in for a model jet engine, based around a ... variable nozzle to more finely control the “exhaust” of his engine. This system is also 3D printed and ...

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 ...

Exhaust whose energy isn’t spent in turning the turbine is expelled and produces thrust, which propels the engine and the vehicle ... If you want to build a full jet turbine, we won’t say ...