Ramjet - Wikipedia
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 Mach 3 (2,300 …
Ramjet | Supersonic, Jet Engines, Propulsion | Britannica
Nov 20, 2025 · Ramjet, air-breathing jet engine that operates with no major moving parts. It relies on the craft’s forward motion to draw in air and on a specially shaped intake passage to …
GE and Lockheed finish ramjet tests to boost hypersonic ...
16 hours ago · GE Aerospace and Lockheed Martin demonstrated a liquid-fueled rotating detonation ramjet designed to improve efficiency in hypersonic flight beyond Mach 5.
How Ramjets Work - HowStuffWorks
Apr 16, 2024 · A ramjet is a type of air-breathing jet engine that operates on the principle of compressing incoming air without the need for rotating parts. It relies on the high-speed …
Ramjet / Scramjet Thrust - NASA
May 13, 2021 · A ramjet engine provides a simple, light propulsion system for high speed flight. Likewise, the supersonic combustion ramjet, or scramjet, provides high thrust and low weight …
GE and Lockheed test new rotating detonation ramjet for ...
1 day ago · The compact, liquid-fuelled ramjet engine uses a novel combustion technology called rotating detonation that offers significantly improved efficiency for high-speed flight at Mach 5 …
GE, Lockheed test rotating detonation ramjet for missiles
14 hours ago · GE Aerospace and Lockheed Martin complete missile-scale rotating detonation ramjet tests, targeting longer-range and more efficient hypersonic weapons.