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Most road motorcycles have an instrument panel, usually consisting of speedometer, odometer and tachometer. Fuel gauges are becoming more common, but traditionally a reserve tank arrangement is used with a petcock (petrol tap) on the side of the motorcycle allowing the rider to switch to a reserve fuel supply when the main fuel supply is ...
The Model 1, more commonly known as Big 4, was a Norton motorcycle made between 1907 and 1954 in various forms. With 633 cc (38.6 cu in), it was the largest and most powerful side-valve engine in the model range and with plenty of low end torque was mostly used to haul sidecars. It was called Big 4 because it was rated at 4 tax horsepower.
The block type is the simplest type. The leading end is usually rounded or pointed for reduced drag. "Its main function is to provide additional lift on the back of the hull, mostly during acceleration. It can also help provide better side-to-side stability at speed and reduce porpoising by providing a bit more hull surface at the rear of the ...
A sidecar motorcycle is a three-wheeled vehicle with the side wheel not directly aligned with the rear motorcycle wheel, and is usually powered by the rear wheel only. This is different from a motor tricycle (trike), where both rear wheels are powered and share a common axle. However, either P.V. Mokharov of the Soviet Union or H.P. Baughn of ...
FIM Sidecar World Championship is the international sidecar racing championship. It is the only remaining original FIM road racing championship class that started in 1949.. It was formerly named Superside when the sidecars moved from being part of Grand Prix Motorcycles racing to being support events for the Superbike World Championship.
Flathead motorcycles are a type of bike that was a standard for pre-war motorcycles, in particular US V-twins such as Harley-Davidson and Indian, some British singles, BMW flat twins and Russian copies thereof. [1] Flathead motorcycles have side-valves contained within the engine block, instead of in the cylinder head, as in an overhead valve ...
During World War I Douglas was a major motorcycle supplier, making around 70,000 motorcycles for military use. In a 1916 review of flat-twin engines in Motor Cycle magazine [8] two models of Douglas engine are listed. The 2.75 hp (350cc) with 60.5mm bore and 60mm stroke, with the valves placed side-by-side on the side of the engine.
Other types feature a casing under the boat, which does not take up space but instead has the problem of increased drag. For this reason, it is not uncommon to find boats with a combination of shallow keel and centreboard (e.g. Randmeer). The keel provides the housing for the centreboard, moving it out of the hull, but adds only a small amount ...