Английская Википедия:GCR Class 9N
Шаблон:Use dmy dates Шаблон:Use British English Шаблон:One source Шаблон:Infobox locomotive
The Great Central Railway Class 9N, classified A5 by the LNER, was a class of 4-6-2 tank locomotives designed by John G. Robinson for suburban passenger services. They were fitted with superheaters, piston valves and Stephenson valve gear.
Construction and numbering
The GCR built 21 locomotives at Gorton Works in three batches between 1911 and 1917.Шаблон:Sfn They ordered a fourth batch of ten from Gorton, but this was not built until after the 1923 Grouping, under which GCR became part of the newly formed London and North Eastern Railway (LNER).Шаблон:Sfn The LNER then ordered a fifth batch of 13 to a modified design, incorporating reduced boiler mountings and detail differences, and these were built by the outside contractors Hawthorn, Leslie & Co. during 1925–26 (works numbers 3616–28).Шаблон:Sfn
| Year | GCR Nos. | LNER Nos. | LNER 1946 Nos. |
|---|---|---|---|
| 1911 | 165–170, 23–24, 447–448 | 5165–70, 5023–24, 5447–48 | 9800–07, –, 9808 |
| 1912 | 449–452, 128–129 | 5449–5452, 5128–5129 | 9809–9814 |
| 1917 | 371–374, 411 | 5371–5374, 5411 | 9815–9819 |
| 1923 | 3, 6, 7, 30, 45, 46, 88, 154, 156, 158 |
5003, 5006, 5007, 5030, 5045, 5046, 5088, 5154, 5156, 5158 |
9820–9829 |
| 1925–26 | — | 1712/19, 1738, 1750/56, 1760/66–68, 1771, 1782/84, 1790 |
9830–9842 |
No. 5447 was withdrawn in 1942 because its frames were badly cracked.Шаблон:Sfn In 1943, the remaining engines were allocated new numbers in the 9800–42 block, but these were not applied until 1946.Шаблон:Sfn Forty-three locomotives passed to British Railways in 1948, and between 1948 and 1951 their numbers were increased by 60000.Шаблон:Sfn The class was divided into two parts in December 1948 as follows:Шаблон:Sfn
- A5/1, 69800-69829: Built at Gorton to Robinson's design
- A5/2, 69830-69842: Built by Hawthorn, Leslie with modifications by Gresley
None have been preserved.
| Year | Quantity in service at start of year |
Quantity withdrawn |
Locomotive numbers |
|---|---|---|---|
| 1942 | 44 | 1 | 5447 |
| 1957 | 43 | 2 | 69815/33 |
| 1958 | 41 | 23 | 69802/04/07/10–11/18–19/22/24/26/28/30–32/34–42 |
| 1959 | 18 | 8 | 69800/03/05/09/12/16/25/27 |
| 1960 | 10 | 10 | 69801/06/08/13–14/17/20–21/23/29 |
Modelling
A 7 mm scale kit is available from MSC models.[1]
In 2023, Sonic Models released a ready-to-run OO scale model in GCR, LNER, and BR variants.[2]
References
Further reading
- Ian Allan ABC of British Railways Locomotives, 1948 edition, part 4, page 55.
External links
- The Robinson A5 (GCR Class 9N) Pacific Tank Locomotives
- Class A5/1 Details at Rail UK
- Class A5/2 Details at Rail UK
Шаблон:England-steam-loco-stub
- Английская Википедия
- Great Central Railway locomotives
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- Hawthorn Leslie and Company locomotives
- Railway locomotives introduced in 1911
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- Standard gauge steam locomotives of Great Britain
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