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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク London Underground 1960 Stock ： ウィキペディア英語版 London Underground 1960 Stock The London Underground 1960 Stock was a class of electric multiple unit for the London Underground Central line. Twelve motor cars were supplied by Cravens, and pairs were made up to four cars by the addition of two converted standard stock trailers. A production run of 338 motor cars was shelved, due to the time needed to assess the new features and the cost of converting the trailer cars. Some of the pre-1938 trailers were later replaced by 1938 stock trailers. The trains were used as a test-bed for automatic train operation, where control signals were picked up from the running rails, and all control of the moving train, apart from the initial command to start when leaving a station, was managed by a "black box" controller. The Woodford to Hainault section of the Central line was used for these tests, in preparation for the introduction of the system on the Victoria line when it opened. In 1986, three trains were converted back for manual operation, and a 3-car unit worked the peak-only Epping to Ongar shuttle service, until that line closed in 1994. One train still works as a track recording unit, while a second is in private ownership and has been used for railtours on the Underground. ==Background== London Underground has a history of building small batches of prototype trains in order to try out ideas, prior to building a large production run of new trains. Thus in 1935, four six-car trains were supplied by Metropolitan Cammell Carriage and Wagon Company, which were used as a test-bed for ideas which would be incorporated into the later 1938 stock, while in 1986, three trains, each of four cars and built by different manufacturers, were ordered with subsequent larger orders in mind. The 1960 stock was part of a similar solution, and consisted of twelve motor cars, built by Cravens of Sheffield, incorporating a number of features which it was anticipated would form the basis for a major batch of vehicles to replace the pre-1938 stock then in use on the Central line. If the plan had proceeded, a further 338 motor cars would have been built. However, assessment of the new features took longer than the time available, and the Central line refurbishment was achieved using 1962 stock, which was based on the previous batch of 1959 stock. Many of the design features of the 1960 stock were eventually incorporated into the 1967 stock built for the opening of the Victoria line. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「London Underground 1960 Stock」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.