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GWR 2251 Class
British steam locomotive class (1930–1965)
British steam locomotive class (1930–1965)
| Field | Value |
|---|---|
| powertype | Steam |
| name | GWR 2251 Class |
| image | Gloucester Tramway Junction local train geograph-2932565-by-Ben-Brooksbank.jpg |
| caption | 2242 at Tramway Junction, Gloucester in 1962 |
| designer | Charles Collett |
| builder | GWR Swindon Works |
| builddate | 1930–1948 |
| ordernumber | Lots 261, 283, 298, 312, 322, 337, 347, 360 |
| totalproduction | 120 |
| whytetype | |
| uicclass | C h2 |
| gauge | |
| driverdiameter | 5 ft |
| minimumcurve | 4+1/2 chain normal, |
| 4 chain slow | |
| length | 53 ft |
| width | 8 ft |
| height | 12 ft |
| axleload | |
| (15 LT) full | |
| locoweight | |
| (43 LT) full | |
| tenderweight | |
| (36 LT) full | |
| fueltype | Coal |
| fuelcap | |
| (5 LT) | |
| watercap | 3000 impgal |
| firearea | 17.40 sqft |
| boiler | GWR Standard No. 10 |
| fireboxarea | 102 sqft/ |
| tubearea | 1069 sqft |
| superheatertype | 4-element or 6-element |
| superheaterarea | 4-element: 52.98 sqft, |
| 6-element: 70.00 sqft | |
| boilerpressure | 200 lbf/in2 |
| cylindercount | Two, inside |
| cylindersize | 17+1/2 x |
| tractiveeffort | 20155 lbf |
| operator | GWR » BR |
| fleetnumbers | 2251–2299, 2200–2250, 3200–3219 |
| powerclass | GWR: B, |
| BR: 3MT | |
| axleloadclass | Yellow |
| withdrawndate | 1958–1965 |
| disposition | One preserved, remainder scrapped |
4 chain slow (15 LT) full (43 LT) full (36 LT) full (5 LT) 6-element: 70.00 sqft BR: 3MT The Great Western Railway (GWR) 2251 Class or Collett Goods Class was a class of type steam tender locomotives designed for medium-powered freight. They were introduced in 1930 as a replacement for the earlier Dean Goods 0-6-0s and were built up to 1948.
Overview
In many ways, the 2251s were modernised Dean Goods, sharing the main dimensions, but having more modern features such as taper boilers and full cabs. Increases in both boiler pressure and heating surface gave a useful increase in power at the expense of weight that restricted permitted routes. Numbers 2211–2230, built in 1940 did not have side windows. Designed by Charles Collett for medium freight and passenger duties they had 5 ft driving wheels. Carrying a maximum of 3000 impgal of water for a boiler operating at 200 psi, they developed 20155 lbf of tractive effort. They could be found operating on most parts of the former GWR system. These were the first GWR 0-6-0 to use the standard number 10 boiler as later fitted to the 94xx, 15xx and various rebuilds of absorbed mainly Welsh locomotives.
| Year | Quantity | Lot No. | Locomotive numbers |
|---|---|---|---|
| 1930 | 20 | 261 | 2251–2270 |
| 1934 | 10 | 283 | 2271–2280 |
| 1936 | 10 | 298 | 2281–2290 |
| 1938 | 10 | 312 | 2291–2299, 2200 |
| 1939 | 10 | 322 | 2201–2210 |
| 1940 | 20 | 337 | 2211–2230 |
| 1944–45 | 20 | 347 | 2231–2250 |
| 1946–48 | 20 | 360 | 3200–3219 |
No. 3217, delivered December 1947, was the last locomotive built by the GWR. Nos. 3218 and 3219 were delivered in January 1948, the first locomotives built at Swindon for British Railways.
They were withdrawn between 1958 and 1965.
Preservation
One, 3205, has been preserved and is located on the South Devon Railway in Devon.{{Cite web |access-date=2019-09-14
As of 2022 the engine is stored awaiting an overhaul following early withdrawal in 2017, the ticket having expired in 2020.
Models
Bachmann Branchline manufactures models of the 2251 in OO gauge. Mainline (Palitoy) released the first ready-to-run OO model in 1978. The Bachmann model was released in 1996. It is based on the Mainline model with revised body tooling to complement a completely new chassis design that allows the boiler backhead to be modelled.
In British N gauge, the first model was the Langley whitemetal kit, designed to fit the Graham Farish 94xx/general purpose tank chassis. The next was the Peco ready-to-run model, introduced in 2007. This was a big step forward, and had DCC fitted as standard. Production of these stopped around 2010. The next model of the class was made by Union Mills, released in 2017.
In 3mm/TT scale, BEC produced a whitemetal kit body for the Tri-ang LMS Fowler Class 3F chassis, though this is long discontinued.
References
References
- "Digital Traction GWR Collett 0-6-0 '2251' Class".
- Wild, Mike. (October 2007). "Peco Collett '2251' 0-6-0". Ian Allan Publishing.
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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