Caledonian Railway 498 Class
Encyclopedia
The Caledonian Railway
498 Class was a class of 0-6-0
T locomotive designed for dock shunting
. They were designed by John F. McIntosh
and introduced in 1911.
Their British Railways numbers were 56151-56173.
Caledonian Railway
The Caledonian Railway was a major Scottish railway company. It was formed in the early 19th century and it was absorbed almost a century later into the London, Midland and Scottish Railway, in the 1923 railway grouping, by means of the Railways Act 1921...
498 Class was a class of 0-6-0
0-6-0
Under the Whyte notation for the classification of steam locomotives, 0-6-0 represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles, and no trailing wheels...
T locomotive designed for dock shunting
Shunting
Shunting is an event in the neuron which occurs when an excitatory postsynaptic potential and an inhibitory postsynaptic potential are occurring close to each other on a dendrite, or are both on the soma of the cell....
. They were designed by John F. McIntosh
John F. McIntosh
John Farquharson McIntosh was a Scottish engineer. He was Chief Mechanical Engineer of the Caledonian Railway from 1895-1914 . He was succeeded by William Pickersgill.-Locomotive designs:*Caledonian Railway 19, 92 and 439 classes 0-4-4T...
and introduced in 1911.
Their British Railways numbers were 56151-56173.
Dimensions
- LMS/BR Power classification, 2F
- LocomotiveSteam locomotiveA steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...
weight: 47 long tons 15 cwt (48.5 t) - BoilerFire-tube boilerA fire-tube boiler is a type of boiler in which hot gases from a fire pass through one or more tubes running through a sealed container of water...
pressure, 160 psi (1,103.2 kPa) - SuperheaterSuperheaterA superheater is a device used to convert saturated steam or wet steam into dry steam used for power generation or processes. There are three types of superheaters namely: radiant, convection, and separately fired...
, No - CylindersCylinder (engine)A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work...
, 17 by 22 in (431.8 by 558.8 mm) - Driving wheelDriving wheelOn a steam locomotive, a driving wheel is a powered wheel which is driven by the locomotive's pistons...
diameter, 4 in 0 in (1,219.2 mm) - Tractive effortTractive effortAs used in mechanical engineering, the term tractive force is the pulling or pushing force exerted by a vehicle on another vehicle or object. The term tractive effort is synonymous with tractive force, and is often used in railway engineering to describe the pulling or pushing capability of a...
, 18015 lbf (80.1 kN) - Valve gearValve gearThe valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle...
, Stephenson