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GWR 2221 Class : ウィキペディア英語版 | GWR 2221 Class
The Great Western Railway (GWR) 2221 Class or County Tank was a class of 4-4-2T steam locomotive, effectively a tank engine version of the 3800 "County" Class 4-4-0 tender locomotives. The two classes had different boilers, standard no 4 for the tender locomotive, and the smaller (by about ) standard no 2 for the tank. 2230 was fitted with the larger boiler when new, but this was unsuccessful and was quickly altered. ==Construction== Thirty were built between 1905 and 1912 to replace the 3600 "Birdcage" Class. They were built in two batches of twenty, the batches having minor differences. In the later batch the drop in the front framing above the cylinders was curved, the cylinders were also lower and top feed was fitted from new. Later in life, the class were fitted with superheaters, and were given larger bunkers in line with other standard tank classes.
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「GWR 2221 Class」の詳細全文を読む
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