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  2. Payload Assist Module - Wikipedia

    en.wikipedia.org/wiki/Payload_Assist_Module

    The Payload Assist Module (PAM) is a modular upper stage designed and built by McDonnell Douglas , using Thiokol Star-series solid propellant rocket motors. The PAM was used with the Space Shuttle , Delta , and Titan launchers and carried satellites from low Earth orbit to a geostationary transfer orbit or an interplanetary course.

  3. Graphite-Epoxy Motor - Wikipedia

    en.wikipedia.org/wiki/Graphite-Epoxy_Motor

    The Graphite-Epoxy Motor (GEM) is a family of solid rocket boosters developed in the late 1980s and used since 1990. GEM motors are manufactured with carbon-fibre-reinforced polymer casings and a fuel consisting of HTPB-bound ammonium perchlorate composite propellant. GEM is produced by Northrop Grumman Space Systems. [1]

  4. Solid rocket booster - Wikipedia

    en.wikipedia.org/wiki/Solid_rocket_booster

    A solid rocket booster (SRB) is a solid propellant motor used to provide thrust in spacecraft launches from initial launch through the first ascent. Many launch vehicles, including the Atlas V , [ 1 ] SLS and Space Shuttle , have used SRBs to give launch vehicles much of the thrust required to place the vehicle into orbit.

  5. Solid Rocket Motor Upgrade - Wikipedia

    en.wikipedia.org/wiki/Solid_Rocket_Motor_Upgrade

    The Solid Rocket Motor Upgrade (SRMU) was a solid rocket motor that was used as a booster on the Titan IVB launch vehicle. Developed by Hercules (later ATK ), it was intended to be a high-performance, low-cost upgrade to the UA1207 boosters previously used on Titan IV.

  6. BE-4 - Wikipedia

    en.wikipedia.org/wiki/BE-4

    The BE-4 uses liquified natural gas rather than more commonly used rocket fuels such as kerosene. This approach allows for autogenous pressurization, which is the use of gasified propellant to pressurize liquid propellant. This is beneficial because it eliminates the need for pressurization systems that require the storage of a pressurizing gas ...

  7. Atlas (rocket family) - Wikipedia

    en.wikipedia.org/wiki/Atlas_(rocket_family)

    Atlas was a liquid propellant rocket burning RP-1 kerosene fuel with liquid oxygen in three engines configured in an unusual "stage-and-a-half" or "parallel staging" design: two outboard booster engines were jettisoned along with supporting structures during ascent, while the center sustainer engine, propellant tanks and other structural ...

  8. Rocket propellant - Wikipedia

    en.wikipedia.org/wiki/Rocket_propellant

    The rocket is launched using liquid hydrogen and liquid oxygen cryogenic propellants. Rocket propellant is used as reaction mass ejected from a rocket engine to produce thrust. The energy required can either come from the propellants themselves, as with a chemical rocket, or from an external source, as with ion engines.

  9. Hypergolic propellant - Wikipedia

    en.wikipedia.org/wiki/Hypergolic_propellant

    A hypergolic propellant is a rocket propellant combination used in a rocket engine, whose components spontaneously ignite when they come into contact with each other. The two propellant components usually consist of a fuel and an oxidizer. The main advantages of hypergolic propellants are that they can be stored as liquids at room temperature ...

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