A Pulse-Jet engine, in its simplest and most understandable form, is a jet engine that benefits from the effect produced by combustion. These types of engines can be composed of very few moving parts, and they can even be constructed from non-moving parts, operating statically. Since their first invention in the early 1900s, they have remained somewhat in the background compared to other jet engines. After their use in German Cruise missiles, they began to be associated with exaggerated and incorrect information. This misinformation can still be found in some engineering books today. Pulse-Jet engines, a type of jet engine that allows air to be compressed and burned, are currently a focus of increased attention by scientists.