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  2. SpaceX rocket engines - Wikipedia

    en.wikipedia.org/wiki/SpaceX_rocket_engines

    A new feature for the engine is the ability to throttle from 100% to 70%. [7] The engine's 150:1 thrust-to-weight ratio is the highest ever achieved for a rocket engine. [8] [9] The first flight of the Merlin 1D engine was also the maiden Falcon 9 v1.1 flight. [10]

  3. RD-180 - Wikipedia

    en.wikipedia.org/wiki/RD-180

    The roots of the RD-180 rocket engine extend to the Soviet Energia launch vehicle. The RD-170, a four-chamber engine, was developed for use in the strap-on boosters for this vehicle, which ultimately launched the Buran orbiter. This engine was scaled down to a two-chamber version by combining the RD-170's combustion devices with half-size ...

  4. Aerojet Rocketdyne - Wikipedia

    en.wikipedia.org/wiki/Aerojet_Rocketdyne

    RS-68 (LH 2 /LOX) – A first stage engine flown on the Delta IV, designed as a simplified version of the RS-25 due to its expendable usage. It is the largest hydrogen-fueled rocket engine ever flown. J-2X (LH 2 /LOX) – An engine that was originally being developed for the Ares I's upper stage before the cancellation of the Constellation program.

  5. Pratt & Whitney Rocketdyne - Wikipedia

    en.wikipedia.org/wiki/Pratt_&_Whitney_Rocketdyne

    Pratt & Whitney Rocketdyne (PWR) was an American company that designed and produced rocket engines that use liquid propellants. It was a division of Pratt & Whitney, a fully owned subsidiary of United Technologies Corporation. It was headquartered in Canoga Park, Los Angeles, California.

  6. Comparison of orbital rocket engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    This page is an incomplete list of orbital rocket engine data and specifications. Current, upcoming, and in-development rocket engines. Engine Origin Designer

  7. Surging rocket motor demand drives Pentagon to buy from ... - AOL

    www.aol.com/news/surging-rocket-motor-demand...

    WASHINGTON (Reuters) -Desperate to address surging demand for solid fuel rocket engines, the Pentagon is close to giving a contract for new motors to the untested, privately held startup Ursa ...

  8. SpaceX Raptor - Wikipedia

    en.wikipedia.org/wiki/SpaceX_Raptor

    Raptor is a family of rocket engines developed and manufactured by SpaceX. It is the third rocket engine in history designed with a full-flow staged combustion (FFSC) fuel cycle, and the first such engine to power a vehicle in flight. [15] The engine is powered by cryogenic liquid methane and liquid oxygen, a combination known as methalox.

  9. BE-4 - Wikipedia

    en.wikipedia.org/wiki/BE-4

    The BE-4 (Blue Engine 4) [5] is an oxygen-rich, [6] liquefied-methane-fueled, staged-combustion, rocket engine. It is produced by Blue Origin. BE-4 was developed with private and public funding. [7] The engine produces 2,400 kilonewtons (550,000 lbf) of thrust at sea level. [8]

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