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1979 Evinrude 70 HP outboard, cowling and air cleaner removed, exposing its shift/throttle/spark advance linkages, flywheel, and three carburetors. Ole Evinrude was born in Gjøvik, Norway on April 19, 1877; five years later, his family emigrated to the United States, settling near Cambridge, Wisconsin. Interested in mechanics from an early age ...
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.
By 1921, Evinrude was back in business, in a venture he called the ELTO Outboard Motor Company. His new offering was the Evinrude Light Twin Outboard, a motor partly made of aluminum, reducing its weight by a third. Popular with the fishing fleets, this revolutionary engine outstripped sales of Evinrude's original outboard motor within three years.
The system within a carburetor that meters fuel when the engine is running at low RPM. The idle circuit is generally activated by vacuum near the (near closed) throttle plate, where the air speed increases to cause a low-pressure area in the idle passage/port, thus causing fuel to flow through the idle jet.
Such was the quality of the metals used, that many are still operational many decades later. Ultimately, the Seagull product could not match more modern outboards such as Yamaha, Evinrude and Tohatsu, which were more efficient (with fewer emissions), more attractive, and more user-friendly. British Seagull ceased production of complete engines ...
Typically in smaller (less than 10 hp or 7.5 kW) and older engines, a narrow shear pin through the drive shaft and propeller hub transmits the power of the engine at normal loads. The pin is designed to shear when the propeller is put under a load that could damage the engine.
Circa-1960 Saab two-stroke engine 2010 Suzuki K10B engine. Among the first cars to use a straight-three engine is the 1953–1955 DKW F91, powered by a 900 cc (55 cu in) two-stroke engine, although this was predated by the 3 cylinder 15hp Rolls Royce produced in 1905 and a number of other cars of this era also used 3 cylinder engines.
[68] [69] The Evinrude E-Tec is an improved version of the Ficht system, which was released in 2003 [70] and won an EPA Clean Air Excellence Award in 2004. [ 71 ] Envirofit International , an American non-profit organisation, has developed direct injection retrofit kits for two-stroke motorcycles (using technology developed by Orbital ...