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  2. SM-65D Atlas - Wikipedia

    en.wikipedia.org/wiki/SM-65D_Atlas

    LOX spilled around the base of the thrust section, followed by leakage from the RP-1 fill/drain valve. The propellants then mixed and exploded on the launch stand. Because of the open LOX fill/drain valve, the Atlas's propellant system suffered a loss of fuel flow and pressure that caused the B-2 engine to operate at only 65% thrust.

  3. 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 ...

  4. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Double check valve; Duckbill valve; Fill and drain valve: a valve used in space and missile industry which achieves extremely tight leakage, while providing redundant inhibits against external leakage [1] Flapper valve; Flow divider valve: a valve providing a plurality of output flows from a single fluid source [2]

  5. Category:Spacecraft components - Wikipedia

    en.wikipedia.org/wiki/Category:Spacecraft_components

    Pages in category "Spacecraft components" The following 80 pages are in this category, out of 80 total. This list may not reflect recent changes. A.

  6. List of Atlas launches (1957–1959) - Wikipedia

    en.wikipedia.org/wiki/List_of_Atlas_launches...

    Maiden flight of Atlas D. LOX fill/drain valve failed to close at liftoff, leading to booster section explosion T+26 seconds. RSO T+36 seconds. 1959-05-19 04:30 Atlas D 7D CCAFS LC-14 ICBM test Suborbital Failure Launcher hold-down arm malfunction damaged missile at liftoff, causing loss of tank pressure during ascent.

  7. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. Pyrotechnic valves - Wikipedia

    en.wikipedia.org/wiki/Pyrotechnic_valves

    A pyrotechnic valve, also explosive actuated valve, short pyro valve or pyrovalve is a one time use propulsion component often used to control propellant or pressurant systems aboard spacecraft or space probes. The device is activated by an electric signal, upon which one or several small explosive charges are ignited.

  9. AOL Mail for Verizon Customers - AOL Help

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    AOL Mail welcomes Verizon customers to our safe and delightful email experience!