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Pre-unit Construction
Pre-unit construction, also called separate construction, is a motorcycle engine architecture where the engine and gearbox are separate components with their own oil reservoirs, linked by a driving chain within a primary chaincase. Mounting plates are usually attached to the frame allowing for chain adjustment by gearbox fore-and-aft movement and via screw adjusters and elongated mounting holes. Even though Singer offered an integrated engine and gearbox in a single casing in 1911, it was not until the 1950s that technical advances meant it was possible to reliably construct engines with integral gearboxes in a single unit, known as unit construction. Another variant is semi-unit construction, where the gearbox is bolted directly to the engine. Curiously, early BSA A10 and A7 parallel twins (650cc and 500 cc, respectively) were semi-unit construction, but the factory later adopted pre-unit construction. The term "pre-unit" was coined only after such engines were succeeded by "u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AJS 7R Motorcycle Engine
A. J. Stevens & Co. Ltd was a British automobile and motorcycle manufacturer in operation from 1909 to 1931. The company was founded by Joe Stevens in Wolverhampton, England. After the firm was sold, the name continued to be used by Matchless, Associated Motorcycles and Norton-Villiers on four-stroke motorcycles till 1969, and since the name's resale in 1974, on lightweight, two-stroke scramblers and today on small-capacity roadsters and cruisers. The company held 117 motorcycle world records. History Motorcycles Joe Stevens, father of Harry, George, Albert John (‘Jack’), and Joe Stevens Junior, was an engineer who owned the Stevens Screw Company Ltd, in Wednesfield, near Wolverhampton. Stevens had a reputation for quality engineering before the company built its first motorcycle in 1897, using a Mitchell single-cylinder four-stroke imported from the USA. Before long, Stevens began making engines, starting off with a better-built version of the Mitchell but the f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mini
The Mini is a small, two-door, four-seat car, developed as ADO15, and produced by the British Motor Corporation (BMC) and its successors, from 1959 through 2000. Minus a brief hiatus, original Minis were built for four decades and sold during six, from the last year of the 1950s into the last year of the 20th century, over a single generation, as fastbacks, estates, and convertibles. The original Mini is considered an icon of 1960s British popular culture. Its space-saving transverse engine and front-wheel drive layout – allowing 80% of the area of the car's floorpan to be used for passengers and luggage – influenced a generation of car makers. In 1999, the Mini was voted the second-most influential car of the 20th century, behind the Ford Model T, and ahead of the Citroën DS and Volkswagen Beetle. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lucas Industries
Lucas Industries plc was a Birmingham-based British manufacturer of motor industry and aerospace industry components. Once prominent, it was listed on the London Stock Exchange and was formerly a constituent of the FTSE 100 Index. In August 1996, Lucas merged with the American Varity Corporation to form LucasVarity. After LucasVarity was sold to TRW the Lucas brand name was licensed for its brand equity to Elta Lighting for aftermarket auto parts in the United Kingdom. The Lucas trademark is currently owned by ZF Friedrichshafen, which retained the Elta arrangement. History Foundation In the 1850s, Joseph Lucas, a jobless father of six, sold paraffin oil from a barrow cart around the streets of Hockley. In 1860, he founded the firm that would become Lucas Industries. His 17-year-old son Harry joined the firm around 1872. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Villiers Engineering
Villiers Engineering was a manufacturer of motorcycles and cycle parts, and an engineering company based in Villiers Street, Wolverhampton, England. Early history In the 1890s John Marston's Sunbeam had become extremely successful by relying on high quality of production and finish. But Marston was dissatisfied with the pedals on his machines, which he bought in. In 1890 he dispatched his son Charles to the US on a selling trip, but included in his instructions that Charles must discuss pedal engineering with Pratt and Whitney in Hartford, Connecticut and come back with a high-class pedal and the machinery for making it. Charles said that the Villiers Engineering Co. was "the ultimate fruit" of his trip to the US, being impressed by the production system and the labour saving devices. He pointed out that "it was not possible to develop these at Sunbeamland, which had long been working on another plan, but it was possible to start them in a new factory". As a result of the to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JA Prestwich Industries
JA Prestwich Industries, was a British engineering equipment manufacturing company named after founder John Alfred Prestwich, which was formed in 1951 by the amalgamation of J.A.Prestwich and Company Limited and Pencils Ltd. History John Prestwich, an engineer, commenced manufacture of scientific instruments in 1895, when he was 20, initially behind his father's house at 1 Lansdowne Road, Tottenham, London. By 1911 he had moved to new premises in Tariff Road, within the Northumberland Park area of Tottenham, London, anwhich still exists as of 2015 Prestwich was initially best known for his cinematography cameras and projectors. He worked with S.Z. de Ferranti and later the cinema pioneer William Friese-Greene. Circa 1902 J.A.Prestwich and Company began manufacturing motorcycle engines which were used in many motorcycle marques. The motorcycle engines were associated with racing and record success and were used in speedway bikes into the 1960s. Prestwich also made engines for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rudge-Whitworth
Rudge Whitworth Cycles was a British bicycle, bicycle saddle, motorcycle and sports car wheel manufacturer that resulted from the merger of two bicycle manufacturers in 1894, Whitworth Cycle Co. of Birmingham, founded by Charles Henry Pugh and his two sons Charles Vernon and John, and Rudge Cycle Co. of Coventry (which descended from a bicycle company founded by Daniel Rudge of Wolverhampton). Rudge motorcycles were produced from 1911 to 1946. The firm was known for its innovations in engine and transmission design, and its racing successes. Their sales motto was "Rudge it, do not trudge it." The company also produced the first detachable wire wheel in 1907, and was known for its knockoff wheels on sports cars; that brand continued well into the 1960s. Wire wheels In the early 1900s John Pugh, son of company founder Charles Pugh and a pioneer motorist, decided that there had to be a better way of dealing with punctured tyres than having to change the tyre with the wheel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of BSA Motorcycles
BSA Sales Cataogues 1927 to 1935 This is a list of British manufacturer Birmingham Small Arms Company (BSA) motorcycles from the 1930s until the end of the marque in the 1970s. The list is tabulated by engine type and period. V-twins B series The B-series were single cylinder models of 250 cc, 350 cc and 500 cc. After the Second World War only 350 cc and 500 cc overhead valve models were continued. M series In the 1930s the M series was a mixture of overhead valve and side-valve models. During and after the Second World War only the side-valve models of this series were continued, typically for use by the armed forces or in sidecar combinations. Pre-unit C series The C-series were 250 cc single-cylinder models & a 350 cc side-valve model for 1940 only Bantam series All Bantams were single cylinder two-stroke machines Unit-construction singles Post-War twins All BSA parallel twins were pushrod operated overhead valve machines ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meguro K Series
is a special ward in Tokyo, Japan. The English translation of its Japanese self-designation is Meguro City. The ward was founded on March 15, 1947. Meguro is predominantly residential in character, but is also home to light industry, corporate head offices, the Komaba campus of University of Tokyo as well as fifteen foreign embassies and consulates. Residential neighborhoods include, Jiyugaoka, Kakinokizaka, and Nakameguro. As of May 1, 2015, the ward has an estimated population of 277,171 and a population density of 18,890 persons per km2. The total area is 14.67 km2. Meguro is also used to refer to the area around Meguro Station, which is not located in Meguro ward, but in neighboring Shinagawa's Kamiōsaki district. History The Higashiyama shell mound in the north of the ward contains remains from the paleolithic, Jōmon, Yayoi, and Kofun periods. The area now known as Meguro was formerly two towns, Meguro proper and Hibusuma, all parts of the former Ebara Distri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meguro Motorcycles
Meguro motorcycles were built by Meguro Manufacturing Co motorcycle works (目黒製作所), founded by Nobuji Murata and a high-ranking naval officer, Takaji Suzuki, in 1937. One of the first Japanese motorcycle companies, it became a partner of Kawasaki Heavy Industries Ltd, and was eventually absorbed. Named after a district of Tokyo, Meguro had its roots in Murato Iron Works, which was established in 1924. Meguro Seisakusho, which had once developed a copy of a Harley-Davidson V-twin, was established to design and build gearboxes for the nascent Japanese motorcycle industry. Abe Industries, which had once produced its own motorcycle, merged with Meguro in 1931. The brand is being revived by Kawasaki with a new K3 model to be introduced in Japan on February 1, 2021. Once a prestige brand, supplying the Japanese government with military and police motorcycles, and racing alongside Honda, Meguro (メグロ) became bankrupt after launching a range of lightweight motorcycles wh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kawasaki Heavy Industries
(or simply Kawasaki) is a Japanese Public company, public multinational corporation manufacturer of motorcycles, engines, Heavy equipment (construction), heavy equipment, aerospace and Military, defense equipment, rolling stock and ships, headquartered in Chūō-ku, Kobe, Chūō, Kobe and Minato, Tokyo, Minato, Tokyo, Japan. It is also active in the production of industrial robots, gas turbines, pumps, boilers and other industrial products. The company is named after its founder, Kawasaki Shōzō, Shōzō Kawasaki. KHI is known as one of the three major heavy industrial manufacturers of Japan, alongside Mitsubishi Heavy Industries and IHI Corporation, IHI. Prior to the World War II, Second World War, KHI was part of the Kobe Kawasaki ''zaibatsu'', which included JFE Holdings, Kawasaki Steel and K Line, Kawasaki Kisen. After the conflict, KHI became part of the DKB Group (''keiretsu''). History Kawasaki Shōzō, Shōzō Kawasaki, born in 1836, was involved with the marine indu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norton Commando
The Norton Commando is a British Norton-Villiers motorcycle with an OHV pre-unit parallel-twin engine, produced by the Norton Motorcycle company from 1967 until 1977. Initially having a nominal ''750 cc'' displacement, actually , in 1973 it became an ''850 cc'', actually . It had a hemi-type head, similar to all OHV Norton engines since the early 1920s. During its ten years of production, the Commando was popular all over the world. In the United Kingdom it won the ''Motor Cycle News'' "Machine of the Year" award for five successive years from 1968 to 1972. Around 60,000 Commandos were made in total. Background Associated Motor Cycles (AMC), Norton's parent company, had become bankrupt in 1966 and had been purchased by Manganese Bronze Holdings, who already owned Villiers Engineering, forming Norton-Villiers. Chairman Dennis Poore saw the need to produce a new flagship motorcycle to replace the aging 750 cc Atlas, the engine design of which could be traced bac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isolastic
A bushing or rubber bushing is a type of vibration isolator. It provides an interface between two parts, damping the energy transmitted through the bushing. A common application is in vehicle suspension systems, where a bushing made of rubber (or, more often, synthetic rubber or polyurethane) separates the faces of two metal objects while allowing a certain amount of movement. This movement allows the suspension parts to move freely, for example, when traveling over a large bump, while minimizing transmission of noise and small vibrations through to the chassis of the vehicle. A rubber bushing may also be described as a flexible mounting or antivibration mounting. These bushings often take the form of an annular cylinder of flexible material inside a metallic casing or outer tube. They might also feature an internal ''crush tube'' which protects the bushing from being crushed by the fixings which hold it onto a threaded spigot. Many different types of bushing designs exist. An ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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