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GNR Class L1 : ウィキペディア英語版 | GNR Class L1
The Great Northern Railway (GNR) Class L1 (LNER Class R1) was a 0-8-2T side tank steam locomotive designed by Henry Ivatt. It was originally designed for suburban passenger traffic on the Metropolitan City Lines.〔(【引用サイトリンク】 title=The Ivatt R1 0-8-2 Tank Locomotives )〕 A prototype was built in 1903, but it was overweight, so it was rebuilt with a smaller boiler and shorter side tanks. Ten more engines were then built to this modified design. During the "small boiler" era, the cylinders were lined to 18" to match the boilers. In 1905 and 1906, thirty more engines were built for working goods trains in the West Riding of Yorkshire. The original eleven engines were not a great success on passenger services so, in 1907, they were moved to the West Riding for goods work. ==Condensing apparatus== The first eleven locomotives were fitted with condensing apparatus for working in tunnels. The thirty built for the West Riding were probably not so fitted, but this is subject to confirmation. It is not known whether the condensing apparatus was removed from the original eleven when they were moved to the West Riding.
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「GNR Class L1」の詳細全文を読む
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