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  2. Outboard motor - Wikipedia

    en.wikipedia.org/wiki/Outboard_motor

    Basic parts of an outboard motor. An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. They are the most common motorised method of propelling small watercraft.

  3. Compression ratio - Wikipedia

    en.wikipedia.org/wiki/Compression_ratio

    In piston engines, static compression ratio is determined using the cylinder volume when the piston is at the top and bottom of its travel. The compression ratio is the ratio between the maximum and minimum volume during the compression stage of the power cycle in a piston or Wankel engine.

  4. Starter (engine) - Wikipedia

    en.wikipedia.org/wiki/Starter_(engine)

    An automobile starter motor (larger cylinder). The smaller object on top is a starter solenoid which controls power to the starter motor and engages the Bendix drive.. 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.

  5. Straight-twin engine - Wikipedia

    en.wikipedia.org/wiki/Straight-twin_engine

    The first known straight-twin engine was a variant of the Daimler Motors' Phoenix engine introduced in 1895; these engines were used in Panhard cars that year. [43] Another early straight-twin engined car was the 1898 Decauville Voiturelle , which used a pair of cylinders taken from a de Dion model mounted fore and aft and positioned below the ...

  6. Rope start - Wikipedia

    en.wikipedia.org/wiki/Rope_start

    Starting a Lazair II ultralight aircraft's JPX PUL 425 engine, equipped with a recoil starter. A rope start device housed in a Nose bullet of a Junkers Jumo 004 turbojet.. Rope start (also called ripcord [citation needed], pull start [citation needed], or rewind start [citation needed]) is a method of starting an internal combustion engine, usually on small machines, such as lawn mowers ...

  7. Marine propulsion - Wikipedia

    en.wikipedia.org/wiki/Marine_propulsion

    While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting of an electric motor or internal combustion engine driving a propeller, or less frequently, in pump-jets, an impeller. Marine engineering is the discipline concerned with the engineering design process of marine ...

  8. Capacitor discharge ignition - Wikipedia

    en.wikipedia.org/wiki/Capacitor_discharge_ignition

    Capacitor discharge ignition (CDI) or thyristor ignition is a type of automotive electronic ignition system which is widely used in outboard motors, motorcycles, lawn mowers, chainsaws, small engines, gas turbine-powered aircraft, and some cars.

  9. List of Honda engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Honda_engines

    Printable version; In other projects Wikidata item; ... The water-cooled outboard motor is designed for 25-feet+ boats. It has a displacement of 4952 cc (302 ci) and ...