Английская Википедия:G&SWR 540 Class
Шаблон:Use dmy dates Шаблон:Use British English Шаблон:Infobox Locomotive
The Glasgow and South Western Railway 540 Class were 4-6-4T steam tank locomotives designed by Robert Whitelegg and built in 1922, shortly before the G&SWR was absorbed into the London, Midland and Scottish Railway (LMS). They were referred to in official G&SWR publicity as the Baltic Class, although they were also known more prosaically to enginemen as the 'Big Pugs'.Шаблон:Sfn
Overview
The G&SWR had historically favoured small tender locomotives for almost all duties other than light shunting, and prior to the delivery of the Baltics its only passenger tank engines were 14 small 0-4-4Ts built for suburban services. However, Robert Whitelegg had previously served as Locomotive Superintendent of the London, Tilbury and Southend Railway which made almost exclusive use of tank engines on its heavy commuter traffic, and he brought this experience with him when he joined the G&SWR as Chief Mechanical Engineer in 1919. During his time at the LT&SR Whitelegg had designed the first 4-6-4T locomotives to operate in Great Britain; the LT&SR 2100 Class. Some of the G&SWR's passenger traffic resembled the LT&SR express services, so Whitelegg again opted for a 4-6-4T.Шаблон:Sfn
The new Baltics were built to a very high specification and were intended to represent the very best practice of their time, so they were very expensive to build. They were also easily the most powerful locomotives ever operated by the G&SWR, and the company made the most of their delivery for publicity purposes. In service the locomotives performed very well on express passenger trains between Glasgow St Enoch and the Ayrshire coast towns or Kilmarnock, however they were expensive to maintain.Шаблон:Sfn
LMS ownership
Within a few months of delivery the locomotives passed into the ownership of the newly formed London, Midland and Scottish Railway, and their green G&SWR livery was replaced by LMS crimson lake. By the end of the 1920s they were being repainted into lined black.
The LMS drive for standardisation saw large numbers of new Fowler 2P and 4P Compound 4-4-0s delivered to the former G&SWR section, and in time these displaced the Baltic tanks from the top passenger services. There was little other work suitable for such large tank engines, and in any event as a non-standard class of only 6 engines they were doomed to be withdrawn once their boilers became due for renewal. The whole class was therefore withdrawn and scrapped between 1935 and 1937.Шаблон:Sfn
Numbering and locomotive histories
| G&SWR no. | LMS no. | Builder's no. | Delivered | Withdrawn |
|---|---|---|---|---|
| 540 | 15400 | NBL 22886 | Шаблон:Dts | Шаблон:Dts |
| 541 | 15401 | NBL 22887 | Шаблон:Dts | Шаблон:Dts |
| 542 | 15402 | NBL 22888 | Шаблон:Dts | Шаблон:Dts |
| 543 | 15403 | NBL 22889 | Шаблон:Dts | Шаблон:Dts |
| 544 | 15404 | NBL 22890 | Шаблон:Dts | Шаблон:Dts |
| 545 | 15405 | NBL 22891 | Шаблон:Dts | Шаблон:Dts |
References
Шаблон:Reflist Шаблон:Refbegin
Шаблон:Glasgow and South Western Railway locomotives
- Английская Википедия
- 4-6-4T locomotives
- Glasgow and South Western Railway locomotives
- NBL locomotives
- Railway locomotives introduced in 1922
- Standard gauge steam locomotives of Great Britain
- Scrapped locomotives
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