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  2. Ernest M. Skinner - Wikipedia

    en.wikipedia.org/wiki/Ernest_M._Skinner

    Skinner was one of the first organ builders to try establishing a systematic method for providing fixed dimensions in his organ consoles.Before this, each organ builder might have used different dimensions on their consoles, causing problems with users adapting to different layouts and positions of keyboards and pedalboards of different instruments, even those made by the same builder.

  3. Engine configuration - Wikipedia

    en.wikipedia.org/wiki/Engine_configuration

    The Swashplate engine with the K-Cycle engine is where pairs of pistons are in an opposed configuration sharing a cylinder and combustion chamber. A Delta engine has three (or its multiple) cylinders having opposing pistons, aligned in three separate planes or 'banks', so that they appear to be in a Δ when viewed along the axis of the main-shaft.

  4. Uniflow steam engine - Wikipedia

    en.wikipedia.org/wiki/Uniflow_steam_engine

    Galloway uniflow steam engine, now in Thinktank, Birmingham Science Museum. Steam entry is usually controlled by poppet valves (which act similarly to those used in internal combustion engines) that are operated by a camshaft. The inlet valves open to admit steam when minimum expansion volume has been reached at the start of the stroke.

  5. Leak-down tester - Wikipedia

    en.wikipedia.org/wiki/Leak-down_tester

    Cranking compression is a dynamic test of the actual low-speed pumping action, where peak cylinder pressure is measured and stored. A compression tester. Leak-down testing is a static test. Leak-down tests cylinder leakage paths. Leak-down primarily tests pistons and rings, seated valve sealing, and the head gasket.

  6. Poppet valve - Wikipedia

    en.wikipedia.org/wiki/Poppet_valve

    A sectional illustration of Watt's beam engine of 1774 using the device is found in Thurston 1878:98, [13] and Lardner (1840) provides an illustrated description of Watt's use of the poppet valve. [14] When used in high-pressure applications, for example, as admission valves on steam engines, the same pressure that helps seal poppet valves also ...

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  8. Aircraft engine controls - Wikipedia

    en.wikipedia.org/wiki/Aircraft_engine_controls

    Fuel pressure gauge - Indicates the supply pressure of fuel to the carburetor (or in the case of a fuel-injected engine, to the fuel controller.) Fuel boost pump switch - Controls the operation of the auxiliary electric fuel pump to provide fuel to the engine before it starts or in case of failure of the engine-powered fuel pump.

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