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  2. Comparison of orbital rocket engines - Wikipedia

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

    Engine Origin Designer Vehicle Status Use ... Electric pump: 292: ... Gas generator 298–309 8,450–20,200 17–41 199: 1.8: RD-869

  3. Pressure-fed engine - Wikipedia

    en.wikipedia.org/wiki/Pressure-fed_engine

    Pressure fed engines have simple plumbing and have no need for complex and occasionally unreliable turbopumps. A typical startup procedure begins with opening a valve, often a one-shot pyrotechnic device, to allow the pressurizing gas to flow through check valves into the propellant tanks. Then the propellant valves in the engine itself are opened.

  4. Gasoline pump - Wikipedia

    en.wikipedia.org/wiki/Gasoline_pump

    A gasoline pump or fuel dispenser is a machine at a filling station that is used to pump gasoline (petrol), diesel, or other types of liquid fuel into vehicles. Gasoline pumps are also known as bowsers or petrol bowsers (in Australia and South Africa), [2] [3] petrol pumps (in Commonwealth countries), or gas pumps (in North America).

  5. List of U.S. states by standard octane ratings - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._states_by...

    lower octane gas can be sold if labeled as "sub-standard" or "sub-regular" [11] South Dakota: 85/87 87/89 91 85 octane must be sold with a warning label displayed at the pump. [12] 85 and 86 octane can be sold as regular fuel only in the counties of Butte, Custer, Fall River, Harding, Lawrence, Meade, Oglala Lakota, Pennington, and Perkins.

  6. Gas-generator cycle - Wikipedia

    en.wikipedia.org/wiki/Gas-generator_cycle

    The gas-generator cycle, also called open cycle, is one of the most commonly used power cycles in bipropellant liquid rocket engines. Propellant is burned in a gas generator (or "preburner") and the resulting hot gas is used to power the propellant pumps before being exhausted overboard and lost.

  7. ‘Pump Switching’ and Other Gas Station Scams To ... - AOL

    www.aol.com/gas-station-scam-pump-switching...

    Here are some other gas pump scams you should be aware of. Skimming Devices. Skimming devices are illegal card readers that scammers attach to payment systems on gas pumps. When you swipe your ...

  8. Turbopump - Wikipedia

    en.wikipedia.org/wiki/Turbopump

    Part of an axial turbopump designed and built for the M-1 rocket engine. A turbopump is a propellant pump with two main components: a rotodynamic pump and a driving gas turbine, usually both mounted on the same shaft, or sometimes geared together.

  9. AOL reviewed: The Wonder Oven is my go-to kitchen appliance ...

    www.aol.com/lifestyle/our-place-wonder-oven...

    You could invest in a small oven thermometer that will inform you when the interior has actually reached your targeted temperature. And you can rely on your phone or smart watch timer to notify ...