Английская Википедия:Indian 841
Шаблон:Infobox Motorcycle The Indian 841 was a motorcycle designed by the [[Indian (motorcycle)|Indian Шаблон:Not a typo Manufacturing Co.]] for desert warfare. It pioneered the drivetrain configuration later popularized by Moto Guzzi, having a longitudinally mounted air-cooled 90-degree V-twin with shaft drive to the rear wheel.
History
During World War II, the US Army requested experimental motorcycle designs suitable for desert fighting[1] and offered Indian $350,000 in exchange for 1,000 shaft-drive, side-valve, twin-cylinder test motorcycles. In response to this request, Indian designed and built the 841 (8 for the new engine design and 41 for the year).[2]
The Indian 841 was heavily inspired by the BMW R71 motorcycle, as was its competitor, the Harley-Davidson XA.[3] However, unlike the XA, the 841 was not a copy of the R71. Although its tubular frame, plunger rear suspension, four-speed transmission, foot-operated shifter, hand-operated clutch and shaft drive were similar to the BMW's, the 841 was different from the BMW in several aspects, most noticeably so with its 90-degree longitudinal-crankshaft V-twin engine and girder fork.[1][3][4] Also unlike the R71 and the XA, the 841 used a heel-and-toe shift pedal with heel-operated upshifts and toe-operated downshifts.[4] The bike also had a low compression ratio of 5.1:1, meaning that it could be run on low-octane fuel, crash bars to protect the cylinders, 18-inch wheels, two separate gas tanks for a total of 5 gallons of available fuel and newly designed girder forks for better shock absorption.[2] In order to reduce costs, the new V-twin shared several internal components with the existing Indian Sport Scout, resulting in the same bore and stroke of Шаблон:Convert.[5][6]
The Indian 841 and the Harley-Davidson XA were both tested by the Army,[1][4][7] but neither motorcycle was adopted for wider military use. It was determined that the Jeep was more suitable for the roles and missions for which these motorcycles had been intended.[1][7] The 841 had also been found to have gearbox problems.[8] Surplus 841s were eventually sold from the corporate warehouse in Springfield.[3][8]
Indian enthusiast Sammy Pierce used the tank and frame of his 841 along with the case and cylinders of an Indian Chief to make his P-61 American Rocket, featured on the cover of the May 1952 issue of Cycle magazine.[9]
Drivetrain configuration
Similar drivetrain configurations, using wide-angle longitudinally mounted V-twins with shaft drive, were later used on the 1953–1956 Victoria Bergmeister motorcycle, the Honda CX series, and, most notably, on medium- and large-sized Moto Guzzi motorcycles.[1][3][10]
See also
References
- ↑ 1,0 1,1 1,2 1,3 1,4 Ошибка цитирования Неверный тег
<ref>; для сносокHallFame841не указан текст - ↑ 2,0 2,1 Шаблон:Cite journal
- ↑ 3,0 3,1 3,2 3,3 Ошибка цитирования Неверный тег
<ref>; для сносокMO841не указан текст - ↑ 4,0 4,1 4,2 Ошибка цитирования Неверный тег
<ref>; для сносокPopSci1942не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокEncycMoto108не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокMotoClass56не указан текст - ↑ 7,0 7,1 Ошибка цитирования Неверный тег
<ref>; для сносокHallFameXAне указан текст - ↑ 8,0 8,1 8,2 Ошибка цитирования Неверный тег
<ref>; для сносокStandCatне указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокP61не указан текст - ↑ Ошибка цитирования Неверный тег
<ref>; для сносокEncycMoto191не указан текст
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