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  2. RS-25 - Wikipedia

    en.wikipedia.org/wiki/RS-25

    The RS-25 engine consists of pumps, valves, and other components working in concert to produce thrust. Fuel (liquid hydrogen) and oxidizer (liquid oxygen) from the Space Shuttle's external tank entered the orbiter at the umbilical disconnect valves and from there flowed through the orbiter's main propulsion system (MPS) feed lines; whereas in the Space Launch System (SLS), fuel and oxidizer ...

  3. Rocketdyne J-2 - Wikipedia

    en.wikipedia.org/wiki/Rocketdyne_J-2

    The J-2, commonly known as Rocketdyne J-2, was a liquid-fuel cryogenic rocket engine used on NASA's Saturn IB and Saturn V launch vehicles. Built in the United States by Rocketdyne, the J-2 burned cryogenic liquid hydrogen (LH 2) and liquid oxygen (LOX) propellants, with each engine producing 1,033.1 kN (232,250 lb f) of thrust in vacuum.

  4. Crew Dragon Launch Abort System - Wikipedia

    en.wikipedia.org/wiki/Crew_Dragon_Launch_Abort...

    When the helium valve was opened, the "blobs" of NTO inside the helium line were accelerated at high speeds, slamming into and nearly instantaneously destroying the one-way oxidizer valve. The internal titanium components of the destroyed valve were then exposed to the NTO, resulting in combustion and the loss of the vehicle.

  5. Rocketdyne F-1 - Wikipedia

    en.wikipedia.org/wiki/Rocketdyne_F-1

    The reduction in parts costs is aided by using selective laser melting in the production of some metallic parts. [13] [18] The resulting F-1B engine is intended to produce 1,800,000 lbf (8.0 MN) of thrust at sea level, a 15% increase over the approximate 1,550,000 lbf (6.9 MN) of thrust that the mature Apollo 15 F-1 engines produced.

  6. Staged combustion cycle - Wikipedia

    en.wikipedia.org/wiki/Staged_combustion_cycle

    The RD-180 has an oxidizer-rich preburner, while the RS-25 has two fuel-rich preburners. The SpaceX Raptor has both oxidizer-rich and fuel-rich preburners, a design called full-flow staged combustion. Staged combustion designs can be either single-shaft or twin-shaft. In the single-shaft design, one set of preburner and turbine drives both ...

  7. Which landmarks are affected by the wildfires in Los Angeles ...

    www.aol.com/landmarks-affected-wildfires-los...

    The Getty Villa art museum is threatened by the flames of the wind-driven Palisades Fire in Pacific Palisades, California, Jan. 7, 2025. A fast-moving brushfire in a Los Angeles suburb burned ...

  8. The Dangerous Slow Cooker Mistake Experts Are Warning About - AOL

    www.aol.com/lifestyle/dangerous-slow-cooker...

    The metal clamps on your slow cooker are designed for portability, not cooking. Using them during cooking can cause steam to build up and your device may crack.

  9. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

    www.aol.com/today-nyt-strands-hints-spangram...

    Today's Strands game revolves around different parts of the day. NYT Strands Spangram Hint: Is it Vertical or Horizontal? Today's spangram is horizontal (right to left).

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