Английская Википедия:Chesapeake and Ohio class M-1

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Шаблон:Infobox locomotive The Chesapeake and Ohio class M-1 was a fleet of three steam turbine locomotives built by the Baldwin Locomotive Works for the Chesapeake and Ohio Railway in 1947–1948 for service on the Chessie streamliner. As diesel locomotives became more prevalent following World War II, the C&O was one of several railroads that were reluctant to abandon coal as a fuel source, and saw steam turbine technology as a possible alternative to diesel. At the time of its construction it was the longest single-unit locomotive in the world.

Design

The design of the M-1 was a collaboration between the C&O, the Baldwin Locomotive Works and Westinghouse.[1]Шаблон:Rp The C&O possessed substantial coal-hauling revenue and was loath to abandon it as a fuel source.[2]Шаблон:Rp Further, C&O's engineering staff expressed concern that oil reserves would be exhausted within 25-30 years.[3]Шаблон:Rp The locomotive contained a single Westinghouse turbine which in turn drove four direct current (DC) generators, mounted in pairs.[4]Шаблон:Rp Each generator produced Шаблон:Convert, and the four generators collectively turned eight traction motors.[5]Шаблон:Rp

Defying the usual convention, the M-1 was arranged with its boiler in the rear and the coal bunker in the front. The turbine-generator system meant that the M-1 contained no cylinders. The reduced number of moving parts meant that, in theory, the M1 required far less maintenance than a conventional steam locomotive. Its designers predicted that it could make a round trip between Washington and Cincinnati without servicing.[3]Шаблон:Rp

The locomotive's throttle included eleven settings, ranging from one (idling) to eleven (full speed). The locomotive's cruising speed was Шаблон:Convert, at which point the throttle was on "seven." During a trial run with a reporter from Popular Mechanics aboard, a C&O engineer expressed his dissatisfaction with a local speed limit of Шаблон:Convert, noting that he would "sure like to be able to pull it back to eleven!"[3]Шаблон:Rp Not including research and development, the three locomotives cost Шаблон:USD.[6]Шаблон:Rp

Career

The C&O cancelled the Chessie in 1948, before it ran in revenue service, depriving the M-1s of their reason for existence. The M-1s themselves proved expensive to operate and mechanically unreliable.[1]Шаблон:Rp They spent their short careers operating between Clifton Forge and Charlottesville, Virginia.[7]Шаблон:Rp The locomotives were scrapped in 1950.[8]Шаблон:Rp

See also

References

Шаблон:Reflist

External links

Шаблон:Commonscat

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  1. ↑ Перейти обратно: 1,0 1,1 Ошибка цитирования Неверный тег <ref>; для сносок schramm не указан текст
  2. ↑ Ошибка цитирования Неверный тег <ref>; для сносок grant не указан текст
  3. ↑ Перейти обратно: 3,0 3,1 3,2 Ошибка цитирования Неверный тег <ref>; для сносок railton не указан текст
  4. ↑ Ошибка цитирования Неверный тег <ref>; для сносок solomon2010 не указан текст
  5. ↑ Ошибка цитирования Неверный тег <ref>; для сносок lamb не указан текст
  6. ↑ Ошибка цитирования Неверный тег <ref>; для сносок george не указан текст
  7. ↑ Ошибка цитирования Неверный тег <ref>; для сносок casto не указан текст
  8. ↑ Ошибка цитирования Неверный тег <ref>; для сносок solomon1998 не указан текст
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