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  2. Ascent propulsion system - Wikipedia

    en.wikipedia.org/wiki/Ascent_Propulsion_System

    The ascent propulsion system (APS) or lunar module ascent engine (LMAE) is a fixed-thrust hypergolic rocket engine developed by Bell Aerosystems for use in the Apollo Lunar Module ascent stage. It used Aerozine 50 fuel, and N 2 O 4 oxidizer.

  3. Apollo (spacecraft) - Wikipedia

    en.wikipedia.org/wiki/Apollo_(spacecraft)

    The major part of the Apollo spacecraft was a three-man vehicle designed for Earth orbital, translunar, and lunar orbital flight, and return to Earth. This consisted of a command module supported by a service module , built by North American Aviation (later North American Rockwell ).

  4. 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.

  5. Apollo command and service module - Wikipedia

    en.wikipedia.org/wiki/Apollo_command_and_service...

    Command module in storage at the Langley Research Center, Hampton, Virginia; [44] three-part door hatch on display at Kennedy Space Center; [45] service module scrapped [35] CSM-014 Command module disassembled as part of Apollo 1 investigation. Service module (SM-014) used on Apollo 6 mission. Command module (CM-014) later modified and used for ...

  6. REFSMMAT - Wikipedia

    en.wikipedia.org/wiki/REFSMMAT

    REFSMMAT is a term used by guidance, navigation, and control system flight controllers during the Apollo program, which carried over into the Space Shuttle program. [1] REFSMMAT stands for "Reference to Stable Member Matrix".

  7. Multi-valve - Wikipedia

    en.wikipedia.org/wiki/Multi-valve

    A cylinder head of a four valve Nissan VQ engine engine. A multi-valve or multivalve engine is one where each cylinder has more than two valves (an intake, and an exhaust).A multi-valve engine has better breathing, and with more smaller valves (having less mass in motion) may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power.

  8. Valve actuator - Wikipedia

    en.wikipedia.org/wiki/Valve_actuator

    The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...

  9. Superior Air Parts - Wikipedia

    en.wikipedia.org/wiki/Superior_Air_Parts

    Superior Air Parts, Inc. is a Chinese-owned manufacturer of aviation piston engine replacement parts, headquartered in Coppell, Texas, United States. The company has been owned by Superior Aviation Beijing since 2010.

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