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V-twin
A V-twin engine, also called a V2 engine, is a two-cylinder piston engine where the cylinders share a common crankshaft and are arranged in a V configuration. Although widely associated with motorcycles (installed either transversely or longitudinally), V-twin engines have also been used for industrial engines and in several small cars. The V-twin design dates back to the late 1880s. Origins One of the first V-twin engines was built by Gottlieb Daimler in 1889. It was used as a stationary engine, for boats and in the Daimler Stahlradwagen ("steel-wheeled car"), Daimler's second car. The engine was also manufactured under licence in France by Panhard et Levassor. An early V-twin engined motorcycle was produced in November 1902 by the Princeps AutoCar Company in the United Kingdom. The following year, V-twin motorcycles were produced by Eclipse Motor & Cycle Co in the United Kingdom (the ''XL-ALL'' model), Glenn Curtiss in the United States, and NSU Motorenwerke in Germ ...
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Honda Shadow
The Honda Shadow refers to a family of cruiser-type motorcycles made by Honda since 1983. The Shadow line features motorcycles with a liquid-cooled 45 or 52-degree V-twin engine ranging from 125 to 1,100 cc engine displacement. The 250 cc Honda Rebel is associated with the Shadow line in certain markets. History In 1983, Honda introduced the Shadow series of motorcycles in an attempt to address the needs of the American cruiser market with the VT500c and VT750c. However, due to tariff restrictions in the United States on imported Japanese bikes over 701 cc, the VT750c was reduced to 700 cc in 1984 and was sold as the Vt700c. In 1985, the tariff was lifted and the line soon expanded to an 1,100 cc bike the VT1100c. The VT750c was replaced by an 800 cc version the VT800c in 1988. The VT600c was launched in 1988 as Honda's new entry level Shadow though still slotted above the Honda Rebel. The line changed little until the introduction of the 750 ...
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Harley-Davidson
Harley-Davidson, Inc. (H-D, or simply Harley) is an American motorcycle manufacturer headquartered in Milwaukee, Wisconsin, United States. Founded in 1903, it is one of two major American motorcycle manufacturers to survive the Great Depression along with its historical rival, Indian Motorcycles.Automotive – RSS Feed
. ''Popular Mechanics''. Retrieved July 7, 2011.
The company has survived numerous ownership arrangements, subsidiary arrangements, periods of poor economic health and product quality, and intense global competition to become one of the world's largest motorcycle manufacturers and an iconic brand widely known for its loyal following. There are owner clubs and events worldwide, as well as a company-sponsored, brand-focused museum. Harley-Davidson is ...
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Moto Guzzi
Moto Guzzi is an Italian motorcycle manufacturer and the oldest European manufacturer in continuous motorcycle production. Established in 1921 in Mandello del Lario, Italy, the company is noted for its historic role in Italy's motorcycling manufacture, its prominence worldwide in motorcycle racing, and industry innovations—including the first motorcycle centre stand, wind tunnel and eight-cylinder engine. Since 2004, Moto Guzzi has been an ''unico azionista'', a wholly owned subsidiary, and one of seven brands owned by Piaggio & C. SpA, Europe's largest motorcycle manufacturer and the world's fourth largest motorcycle manufacturer by unit sales. The company's motorcycles are noted for their air-cooled 90° V-twin engines with a longitudinal crankshaft orientation where the engines' transverse cylinder heads project prominently on either side of the motorcycle. History Similar to other storied motorcycle manufacturers that have survived for decades, Moto Guzzi has experien ...
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Indian Scout (motorcycle)
The Indian Scout is a motorcycle built by the Indian Company from 1920 to 1949. It rivaled the Chief as Indian's most important model. The 101 Scout, made from 1928 to 1931, has been called the best motorcycle Indian ever made. A second line of Scouts, with heavier frames, was introduced in 1932 alongside the Standard Scout, which replaced the 101 Scout and shared its frame with the Chief and the Four. The small-displacement Scout and the Sport Scout, introduced in 1934, were continued until the end of civilian production in 1942. Military versions of both models were used by US and other Allied forces during World War II. Apart from fifty examples of the 648, a special racing version of the Sport Scout, the Scout was not continued after World War II. In 1949 an all-new motorcycle, with an overhead valve straight-twin engine, was called the Scout; it was enlarged and renamed the Warrior in 1950. Between 2001 and 2003, the Indian Motorcycle Company of America, based in Gilroy, C ...
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V Engine
A V engine, sometimes called a Vee engine, is a common configuration for internal combustion engines. It consists of two cylinder banks—usually with the same number of cylinders in each bank—connected to a common crankshaft. These cylinder banks are arranged at an angle to each other, so that the banks form a "V" shape when viewed from the front of the engine. V engines typically have a shorter length than equivalent inline engines, however the trade-off is a larger width. V6, V8 and V12 engines are the most common layout for automobile engines with 6, 8 or 12 cylinders respectively. History The first V engine, a two-cylinder V-twin, was designed by Wilhelm Maybach and used in the 1889 Daimler Stahlradwagen automobile. The first V8 engine was produced in 1903, in the form of the Antoinette engine designed by Léon Levavasseur for racing boats and airplanes. The first V12 engine was produced the following year by Putney Motor Works in London, again for use in raci ...
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Suzuki TL1000S
The Suzuki TL1000S was a Suzuki V-twin roadster sport bike made from 1997–2001. General background The Suzuki TL1000S was introduced by Suzuki in 1997 and was produced until 2001 and is frequently referred to as the TLS or Suzuki TLS. It is notable for the 90° V-twin engine which is still used in Suzuki's modern SV1000 and V-Strom 1000 motorcycles. The TLS motor featured a 90° V-twin for perfect primary balance and had hybrid chain/gear driven cams. A traditional cam chain turned a gear that in turn rotated the cams. This hybrid design eased maintenance immensely and gave the motor additional aural character because of the gear whine. The motor was also used for the Suzuki TL1000R. Suzuki also sold many of the TL motors to Cagiva to be used in the Navigator and V-Raptor models. Bimota also used the engine for their popular Bimota SB8K. Rear shock Suzuki designers needed to find creative solutions to make the TL1000S a viable sportbike. V-twin engines are l ...
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Indian Powerplus
The Indian Powerplus is a motorcycle that was built from 1916 to 1924 by the Indian (motorcycle), Hendee Manufacturing Company. Designed by Charles Gustafson, the Powerplus's engine was Indian's first flathead engine, flathead. Origin Charles Gustafson left Reading Standard in 1909 and joined Indian as Oscar Hedstrom's assistant. Gustafson had designed flathead engine, side valve "flathead" engines for Reading Standard, which had been the first motorcycle manufacturer in the United States to use a flathead engine in a production motorcycle. When Hedstrom left Indian in 1913, Gustafson became Indian's chief engineer. In late 1915, Indian introduced Gustafson's replacement for Hedstrom's V-twin engine. The new engine used side valves instead of the IOE engine, inlet-over-exhaust (IOE) valve layout used in Hedstrom's designs. The flathead engine was quieter and less expensive to manufacture than the earlier IOE engine and needed less maintenance. It was named "Powerplus" because it ...
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Suzuki VX 800
The Suzuki VX800 is a road motorcycle shaft-drive V-twin bike from Suzuki. The VX800 was designed at U.S. Suzuki's Design Studio in Brea, California from 1986 to 1989, and produced in the years 1990 to 1997. Lackluster sales in the United States brought the model to an end in 1993, the European version was produced until 1997. Concept and prototype Among others, the design team consisted of Don Presnell, Lead Designer-styling, Aki Goto as Lead Engineer and Sam Yamazaki for frame and engine engineering. Sam Yamazaki and Aki Goto were the inspired R&D engineers who started putting together a crude prototype at the Brea Studio utilizing a 750 cc Intruder engine in a modified Intruder frame. The rake and trail were modified on that prototype, as were the footpeg/shifter positions. The prototype was finished off with a hand-hammered aluminum tank mastered by Sam Yamazaki. The first full scale clay modeling of the VX750 was done by Don Presnell at the Brea facility. A quote by ...
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Suzuki Boulevard C50
The Suzuki Boulevard C50 (VL800) is a cruiser motorcycle made by Suzuki Motor Corporation since 2001. Prior to 2005, the model was named the ''Volusia'' for Volusia County, Florida, where it was unveiled at the 2001 Daytona Bike Week. In 2005, Suzuki re-branded it as the Suzuki Boulevard C50. It follows the formula of a smaller yet capable engine fitted into a frame sized for a slightly larger engine, a popular combination also in use by Honda, Kawasaki, and Yamaha in their respective cruiser lines. Overview Most Boulevard C50 components were carried over from the Volusia line, and in 2005 the Boulevard series began using fuel injection instead of a carburetor. The engine is a liquid cooled in a 45° V-twin. It has 5-speed manual gearbox and a shaft drive. Overall, the C50 is long, with a seat height. It has a fuel tank, front disc and rear drum brakes, and rider floorboards. Sub-models There are four sub-models of the C50, starting with the base C50, which has wire wheels ...
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Suzuki TL1000R
The Suzuki TL1000R motorcycle was introduced in 1998 as Suzuki's 90° V-Twin Superbike. Production ended in 2003. General background The TL1000R is a full fairing A bicycle fairing also called recumbent fairing is a full or partial covering for a bicycle to reduce aerodynamic drag or to protect the rider from the elements. It is more common to see recumbent bicycles with partial or full fairing. A bicycle ... racing-oriented version of Suzuki's popular TL1000S. The TL1000R was launched in 1998, one year after its sibling, the TL1000S. Unlike the TL-S, the TL-R was designed to compete in the World and American Superbike Championships, although it achieved only one race win before Suzuki pulled the plug on the TL racing program, in favor of returning to the lighter GSX-R750 as its Superbike entry. The TL-R took aim at Ducati's 916 both in the Superbike Championship and in consumer sales. The R shares basic engine architecture with the S but has special components includi ...
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Engine Balance
Engine balance refers to how the forces (resulting from combustion or rotating/reciprocating components) are balanced within an internal combustion engine or steam engine. The most commonly used terms are ''primary balance'' and ''secondary balance''. ''First-order balance'' and ''second-order balance'' are also used. Unbalanced forces within the engine can lead to vibrations. Causes of imbalance Although some components within the engine (such as the connecting rods) have complex motions, all motions can be separated into reciprocating and rotating components, which assists in the analysis of imbalances. Using the example of an inline engine (where the pistons are vertical), the main reciprocating motions are: * Pistons moving upwards/downwards * Connecting rods moving upwards/downwards * Connecting rods moving left/right as they rotate around the crankshaft, however the lateral vibrations caused by these movements are much smaller than the up–down vibrations caused by ...
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Connecting Rod
A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. The connecting rod is required to transmit the compressive and tensile forces from the piston. In its most common form, in an internal combustion engine, it allows pivoting on the piston end and rotation on the shaft end. The predecessor to the connecting rod is a mechanic linkage used by water mills to convert rotating motion of the water wheel into reciprocating motion. The most common usage of connecting rods is in internal combustion engines or on steam engines. __TOC__ Origins The predecessor to the connecting length is the mechanical linkage used by Roman-era watermills. The earliest known example of this linkage has been found at the late 3rd century Hierapolis sawmill in Roman Asia (modern Turkey) and the 6th centu ...
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