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The result was a water-cooled version with barrels and cylinder heads cast in pairs, and fitted with enclosed valves. All exhaust ports now faced rearwards. Initially a thermo siphon design with a radiator on each side of the front frame downtubes, an impeller type water pump was soon added to the left side of the crankshaft to further aid cooling.
Pages in category "Water-cooled radial engines" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. B. BMW 803; D.
A pit bike is a small motorcycle, used primarily for recreational purposes, stunt riding and motocross racing.Pit bikes are characterised by small, air-cooled engines, and are rarely used for professional racing, instead being intended for use in the pit lanes of racing events.
Velocette's Director, Eugene Goodman, planned an innovative and radical design that would appeal to a new market that needed cheap, clean and reliable transport.Designers Charles Udall and Phil Irving developed the Velocette LE as a "conceived-as-a-whole" design, with engine, gearbox, drive shaft and bevel box in a single unit to do a specific job.
Scott designed and patented a vertical twin two-stroke engine in 1904, [4] and patented the familiar Scott motorcycle frame in 1908 [5] designed to accept an engine of the type in the former patent and to achieve a low centre of gravity. The resulting motorcycle was launched in 1908 featuring a 450 cc two-stroke twin-cylinder water-cooled engine.
In 1912, Humber produced a light car called the Humberette with a Humber-made V-twin side-valve engine of 998cc. The engine had a directly attached clutch, 3-speed gearbox and prop shaft output to a rear differential. A water cooled version of this engine was made available in 1914, but WW1 ended Humberette production in 1915. [25]
Thumpstar was the first pit bike company to manufacture bikes with an alloy frame. The model Pro Hunge 25 which used the alloy frame was one of Thumpstar's most popular models, as it was lightweight and performed well. This model can be found in countries around the world. [5]
The Brazilian manufacturer Gurgel Motores used an in-house developed water-cooled boxer-twin engine (Enertron engine) and the Volkswagen air-cooled boxer-four in several models from 1988 to 1994. The Toyota U engine was an air-cooled flat-twin engine produced from 1961 to 1976.