
thumb|upright=1.2|250px|Simple ramjet operation, with Mach numbers of flow shown
thumb|upright=1.2|250px|Simple ramjet operation, with Mach numbers of flow shown
A ramjet is a form of airbreathing jet engine that requires forward motion of the engine to provide air for combustion. Ramjets work most efficiently at supersonic speeds around and can operate up to .
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).