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LNWR Class D : ウィキペディア英語版 | LNWR Class D
The London and North Western Railway (LNWR) Class D was a class of 0-8-0 steam locomotives. They were simple engine rebuilds of earlier Webb Class A three-cylinder compound engines. ==History== Though the original rebuilds of the Class As had reused the existing small (4'3" diameter) boilers with 19.5" diameter cylinders (Class C, the smaller boilers could not raise adequate steam, so from 1906 the next 62 rebuilds (63 according to the LNWR Society) were rebuilt with a larger 5'2" diameter Experiment-type boilers, retaining the cylinders. These, from 1911, would be classified D. These rebuilds left smaller boilers available and so from 1906 rebuilds used these smaller boilers with smaller cylinders to Class C1. To these compound rebuilds was added the prototype eight-coupled goods engine No. 2524 which was rebuilt with a larger boiler in 1906. Previously it had been similar to the Class C with a smaller boiler; though was not classified as such since the letter classification was introduced in 1911.
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「LNWR Class D」の詳細全文を読む
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