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  2. de Havilland Gipsy Major - Wikipedia

    en.wikipedia.org/wiki/De_Havilland_Gipsy_Major

    Higher compression ratio (6:1) and maximum RPM for racing use. Gipsy Major ID Fuel pump added, plus screened ignition harness and priming system. Gipsy Major IF Aluminium cylinder heads, 5.25:1 compression ratio. Gipsy Major II Variable pitch propeller Gipsy Major 7 Military version of Gipsy Major 1D, increased climb RPM. Gipsy Major 8

  3. Oil pump (internal combustion engine) - Wikipedia

    en.wikipedia.org/wiki/Oil_pump_(internal...

    Placing the oil pump low-down uses a near-vertical drive shaft, driven by helical skew gears from the camshaft. Some engines, such as the Fiat Twin Cam engine of 1964, began as OHV engines with an oil pump driven from a conventional camshaft in the cylinder block. When the twin overhead cam engine was developed, the previous oil pump ...

  4. Reduction drive - Wikipedia

    en.wikipedia.org/wiki/Reduction_drive

    The Midwest twin-rotor wankel engine has an eccentric shaft that spins up to 7,800 rpm, so a 2.96:1 reduction gear is used. Aero-engine reduction gears are typically of the gear type, but smaller two-stroke engines such as the Rotax 582 use belt drive with toothed belts, which is a cheap and lightweight option with built-in damping of power surges.

  5. Gear pump - Wikipedia

    en.wikipedia.org/wiki/Gear_pump

    An exploded view of an external gear pump Fluid flow in an external gear pump Fluid flows from left to right in this internal gear pump. Oil pump from a scooter engine. A gear pump uses the meshing of gears to pump fluid by displacement. [1] They are one of the most common types of pumps for hydraulic fluid power applications. The gear pump was ...

  6. Pumpjack - Wikipedia

    en.wikipedia.org/wiki/Pumpjack

    Pump size is also determined by the depth and weight of the oil to remove, with deeper extraction requiring more power to move the increased weight of the discharge column (discharge head). A beam-type pumpjack converts the rotary motion of the motor (usually an electric motor ) to the vertical reciprocating motion necessary to drive the ...

  7. Dry sump - Wikipedia

    en.wikipedia.org/wiki/Dry_sump

    A dry-sump system is a method to manage the lubricating motor oil in four-stroke and large two-stroke piston driven internal combustion engines. The dry-sump system uses two or more oil pumps and a separate oil reservoir, as opposed to a conventional wet-sump system, which uses only the main sump (U.S.: oil

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