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The South Eastern and Chatham Railway (SECR) P Class is a class of 0-6-0T steam locomotive designed by Harry Wainwright. They were inspired by,〔 〕 and loosely based on, the more successful LB&SCR A1 Class "Terriers" and eight were built in 1909 and 1910. They were originally intended for lightweight passenger trains, to replace underpowered steam railmotors.〔 Certain cost-saving design compromises had been made, compared to the Terrier design, and the P class were found to be underpowered, having only 73% of the Terrier's tractive effort.〔 The P class were later re-allocated to shunting and station pilot duties.〔 All eight locomotives passed into Southern Railway ownership at The Grouping in 1923, and into British Railways ownership at Nationalisation in 1948. Withdrawals took place between 1955 and 1961, but four examples have been preserved.〔 == Numbering == The first two locomotives, built in 1909, were numbered 753 and 754. The 1910-built locomotives re-used numbers of withdrawn locomotives and were numbered 27, 178, 323, 325, 555 and 558. In 1915, Two locomotives (27 and 753, known by the ROD as numbers 5027 and 5753 ) were transferred to the Government and used by the Railway Operating Division, arriving in France in May 1915. They were initially used during the construction of exchange sidings, and later to shunt the sidings and docks at Boulogne, but they proved to have insufficient power, and were returned to England in October 1916, to be replaced with the SECR T Class locomotive. All eight passed to the Southern Railway upon its formation in 1923, and were given an 'A' prefix to their SECR numbers. in 1925, A753 and A754 were renumbered A556 and A557. In 1923, the Southern abolished the number prefixes, and increased the P class numbers by 1000. Upon Nationalisation in 1948, British Railways added 30000 to their SR number. 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「SECR P class」の詳細全文を読む スポンサード リンク
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