The
Great Western Railway
The Great Western Railway (GWR) was a History of rail transport in Great Britain, British railway company that linked London with the southwest, west and West Midlands (region), West Midlands of England and most of Wales. It was founded in 1833, ...
(GWR) 3100 Class was a class of
2-6-2
Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of two leading wheels, six coupled driving wheels and two trailing wheels. This arrangement is commonly called a Prairie.
Overview
The maj ...
T
side tank
Side or Sides may refer to:
Geometry
* Edge (geometry) of a polygon (two-dimensional shape)
* Face (geometry) of a polyhedron (three-dimensional shape)
Places
* Side, Turkey, a city in Turkey
* Side (Ainis), a town of Ainis, ancient Thessaly, Gr ...
steam locomotive
A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, Fuel oil, oil or, rarely, Wood fuel, wood) to heat ...
.
History
This class of large prairie was created in 1938 when
Collett rebuilt some of Churchward's
3150 Class engines for use as
bankers
A bank is a financial institution that accepts Deposit account, deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital m ...
, particularly from
Severn Tunnel
The Severn Tunnel () is a railway tunnel in the United Kingdom, linking South Gloucestershire in the west of England to Monmouthshire in south Wales under the estuary of the River Severn. It was constructed by the Great Western Railway (GWR) be ...
Junction shed. These engines used the same standard class 4 boiler, but with pressure increased to and smaller driving wheels and a increase in cylinder diameter. This raised their tractive effort to . Almost unnoticeable was a reduction in
pony truck
A Bissell or Bissel truck (also Bissel bogie or pony truck) is a single-axle bogie which pivots towards the centre of a steam locomotive to enable it to negotiate curves more easily. Invented in 1857 by and usually then known as a ''pony truck'' ...
wheel diameter to . Only five engines were ever modified, Nos. 3173, 3156, 3181, 3155 and 3179 which were rebuilt as 3100 to 3104 respectively. All members of the class were scrapped.
See also
*
GWR 3100/5100 Class (1906)
*
GWR 3150 Class
The Great Western Railway (GWR) 3150 Class was a class of 2-6-2T side tank steam locomotive.
History
Churchward based the 3150 class on his GWR 5100 Class, 3100 (later 5100) class. They used the larger and heavier Standard 4 boiler and so had ...
*
GWR 5101 Class
The GWR 5101 Class or 'Large Prairie' is a class of 2-6-2T steam locomotives of the Great Western Railway.
History
The 5101 Class were medium-sized tank engines used for suburban and local passenger services all over the Great Western Rail ...
*
GWR 6100 Class
The GWR 6100 Class is a class of 2-6-2T side tank steam locomotives.
History
The class was designed by Charles Collett and introduced in 1931, and were a straightforward development of the earlier GWR 5101 Class, 5101 class (and for that matter ...
*
GWR 8100 Class
The Great Western Railway (GWR) GWR 5100 Class (known as the 3100 class between 1912 and 1927) was a class of 2-6-2T side tank steam locomotives. It was the first of a series of broadly similar classes used principally for suburban passenger ...
*
List of GWR standard classes with two outside cylinders
George Jackson Churchward created for the Great Western Railway a family of standard classes of locomotive, based on a limited set of shared dimensions and components, and his principles were followed by his successors. Most of these locomotives ...
References
*
External links
Class 3100 Detailsat ''Rail UK''
{{GWR Locomotives
2-6-2T locomotives
3100
Railway locomotives introduced in 1938
Scrapped locomotives
Standard-gauge steam locomotives of Great Britain
1′C1′ h2t locomotives