GWR 2251 Class

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GWR 2251 Class
Gloucester Tramway Junction local train geograph-2932565-by-Ben-Brooksbank.jpg
2242 at Tramway Junction, Gloucester
Type and origin
Power typeSteam
DesignerCharles Collett
BuilderGWR Swindon Works
Build date1930–1948
Total produced120
Specifications
Configuration:
 • Whyte0-6-0
 • UICC h2
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Driver dia.5 ft 2 in (1.575 m)
Minimum curve4 12 chains (297 ft; 91 m) normal,
4 chains (264 ft; 80 m) slow
Length53 ft 8 14 in (16.36 m)
Width8 ft 5 in (2.565 m)
Height12 ft 8 12 in (3.874 m)
Axle load15 long tons 15 cwt (35,300 lb or 16 t)
(17.6 short tons) full
Loco weight43 long tons 8 cwt (97,200 lb or 44.1 t)
(48.6 short tons) full
Tender weight36 long tons 15 cwt (82,300 lb or 37.3 t)
(41.2 short tons) full
Fuel typeCoal
Fuel capacity5 long tons 0 cwt (11,200 lb or 5.1 t)
(5.6 short tons)
Water cap3,000 imp gal (14,000 l; 3,600 US gal)
Firebox:
 • Firegrate area
17.40 sq ft (1.617 m2)
Boiler pressure200 lbf/in2 (1.38 MPa)
Heating surface:
 • Tubes
1,069 sq ft (99.3 m2)
 • Firebox102 sq ft (9.5 m2)/
Superheater:
 • Type4-element or 6-element
 • Heating area4-element: 52.98 sq ft (4.922 m2),
6-element: 70.00 sq ft (6.503 m2)
CylindersTwo, inside
Cylinder size17.5 in × 24 in (444 mm × 610 mm)
Performance figures
Tractive effort20,155 lbf (89.65 kN)
Career
OperatorsGWR » BR
Power classGWR: B,
BR: 3MT
Numbers2251–2299, 2200–2250, 3200–3219
Axle load classYellow
Withdrawn1958–1965
DispositionOne preserved, remainder scrapped

The Great Western Railway (GWR) 2251 Class was a class of 0-6-0 steam tender locomotive designed for medium-powered freight. They were introduced in 1930 as a replacement for the earlier Dean Goods 0-6-0s and built up to 1948.[1]

Overview[edit]

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 2 in (1.575 m) driving wheels. Carrying a maximum of 3,000 imperial gallons (14,000 l; 3,600 US gal) of water to fuel a boiler operating at 200 psi (1.4 MPa) they developed 20,155 lbf (89.65 kN) 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.

They were withdrawn between 1958 and 1965.

Preservation[edit]

Preserved 3205 on the South Devon Railway.

One, 3205, has been preserved and is located on the South Devon Railway in Devon.[2]

Models[edit]

Union Mills and Bachmann Branchline manufacture models of the 2251 in N scale and OO gauge respectively. 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. The Union Mills model was released in 2017, previously Peco made an N gauge model but it has not been produced since about 2006.

References[edit]

  1. ^ "Digital Traction GWR Collett 0-6-0 '2251' Class". Steam Sounds Supreme. Retrieved 13 September 2017.
  2. ^ "GWR 0-6-0 No 3205". South Devon Railway. Retrieved 29 November 2014.
  • Whitehurst, Brian (1973). Great Western Engines, Names, Numbers, Types and Classes (1940 to Preservation). Oxford, UK: Oxford Publishing Company. pp. 23–24, 30, 102, 127. ISBN 978-0-9028-8821-0. OCLC 815661.

External links[edit]