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  • Starter (engine)


    An automobile starter motor (larger cylinder). The smaller object on top is a starter solenoid which controls power to the starter motor. A starter (also self-starter, cranking motor, or starter motor) is a device used to rotate (crank) an internal-combustion engine so as to initiate the engine's operation under its own power. Starters can be electric, pneumatic, or hydraulic. In the case of very large engines, the starter can even be another internal-combustion engine. Internal-combustion engines are feedback systems, which, once started, rely on the inertia from each cycle to initiate the next cycle. In a four-stroke engine, the third stroke releases energy from the fuel, powering the fourth (exhaust) stroke and also the first two (intake, compression) strokes of the next cycle, as well as powering the engine's external load. To start the first cycle at the beginning of any particular session, the first two strokes must be powered in some other way than from the engine itself. The starter motor is used for this purpose and is not required once the engine starts running and its feedback loop becomes self-sustaining. Starter ring gear on its flywheel

  • Starting fluid


    Starting fluid sprayStarting fluid is a volatile, flammable liquid which is used to aid the starting of internal combustion engines, especially during cold weather or in engines that are difficult to start using conventional starting procedures. It is typically available in an aerosol spray can, and may sometimes be used for starting direct injected diesel engines or lean burn spark engines running on alcohol fuel. Some modern starting fluid products contain mostly volatile hydrocarbons such as heptane, (the main component of natural gasoline) with a small portion of diethyl ether, and carbon dioxide (as a propellant). Some formulations contain butane or propane as both propellant and starting fuel. Historically, Diethyl ether, with a small amount of oil, a trace amount of a stabilizer and a hydrocarbon propellant has been used to help start internal combustion engines because of its low autoignition temperature. Diethyl ether is distinct from petroleum ether (a crude oil distillate consisting mostly of pentane and other alkanes) which has also been used for starting engines.

  • Recoil start


    Lazair II ultralight aircraft's JPX PUL 425 engine, equipped with a recoil starter.Recoil start (also called manual start, pull start or rewind start) is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers, chainsaws, ultralight aircraft, small outboard motors and portable engine-generators. Recoil start is also used on some small vehicles such as small go-karts, minibikes, and small ATVs.

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