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  1. 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 mph; 3,700 …

  2. 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 forward motion of the …

  3. 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 for …

  4. Jet engine - Ramjets, Supersonic Combustion | Britannica

    Nov 20, 2025 · This combination of circumstances gives rise to the ramjet, a jet engine in which the pressure increase is attributable only to the ram effect of the high flight speed; no turbomachinery is …

  5. Evolution of Ramjet Engines: Past and Present

    Mar 27, 2025 · A ramjet engine is a type of air-breathing engine that is commonly used in aircraft. It operates by taking in incoming air and subsequently releasing hot gases, which in turn produce …

  6. GE and Lockheed finish ramjet tests to boost hypersonic missile range

    Jan 15, 2026 · GE Aerospace and Lockheed Martin demonstrated a liquid-fueled rotating detonation ramjet designed to improve efficiency in hypersonic flight beyond Mach 5.

  7. Ramjet – Definition & Detailed Explanation - Sentinel Mission

    Nov 20, 2025 · What is a Ramjet? A ramjet is a type of air-breathing jet engine that operates without the use of rotating machinery, such as a turbine. It is a simple yet powerful propulsion system that relies …

  8. New Fuel-Efficient Ramjet Could Revolutionize Hypersonic Missile …

    4 days ago · GE Aerospace and Lockheed Martin have successfully tested a liquid-fueled rotating detonation ramjet, marking their first collaborative effort under a broader technology development …

  9. Lockheed Martin, GE Aerospace demo novel ramjet engine for …

    Jan 16, 2026 · Emerging Tech Lockheed Martin, GE Aerospace demo novel ramjet engine for hypersonic weapons Lockheed and GE are developing a liquid-fueled rotating detonation ramjet …

  10. Ramjet - SKYbrary Aviation Safety

    A ramjet is a variant of an air breathing jet engine that does not include a rotary compressor; rather, it uses the engine's forward motion to compress the incoming air. A ramjet cannot function at zero …