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LSWR F13 class : ウィキペディア英語版 | LSWR F13 class
The London and South Western Railway F13 class was a class of 4-6-0 locomotives designed by Dugald Drummond for the London and South Western Railway (LSWR). == Background ==
Whilst Dugald Drummond's success with his previous 4-4-0 designs meant that the LSWR's immediate traffic needs were covered in 1905, he began to undertake a new project that would help solve a new problem. This problem rested in fact that the timetables were continually accelerated because of this success, especially in the case of boat trains to the South Coast ports.〔 It soon became clear that faster passenger locomotives with a better power-to-weight ratio than the 4-4-0 designs were needed, in order to keep pace with the LSWR's passenger requirements increasing due to lengthened, heavier rolling stock that needed to keep up with faster point-to-point schedules.〔 As a result, Drummond believed that a new wheel arrangement (for the LSWR) was required in order to support such power, which in turn was provided by a multiple-cylinder layout. The resultant design was to become the F13 Class.〔
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「LSWR F13 class」の詳細全文を読む
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