LMS Ivatt Class 2 2-6-2T
Overview
London, Midland and Scottish Railway
The London Midland and Scottish Railway was a British railway company. It was formed on 1 January 1923 under the Railways Act of 1921, which required the grouping of over 120 separate railway companies into just four...
(LMS) Ivatt Class 2 2-6-2T is a class of light 'mixed-traffic' steam locomotive
Steam locomotive
A 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...
introduced in 1946.
The LMS had various elderly tank engines and the operating department required a new small class 2 locomotive to replace them. Noting that the Great Western Railway
Great Western Railway
The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...
4500
GWR 4500 Class
The Great Western Railway 4500 Class or Small Prairie is a class of steam locomotive. They are 2-6-2T type. A total of 75 were built; 55 were built in four batches between 1906 and 1915. A fifth batch of 20 locos was built in 1924, during Collett's tenure at Swindon. The first two batches were...
and 4575
GWR 4575 Class
The Great Western Railway 4575 Class is a class of steam locomotive. They are 2-6-2T Small Prairie type based on the 4500 Class but with larger side tanks...
Classes of 2-6-2
2-6-2
Under the Whyte notation for the classification of steam locomotives, 2-6-2 represents the wheel arrangement of two leading wheels, six coupled driving wheels and two trailing wheels.Other equivalent classifications are:...
T
Tank locomotive
A tank locomotive or tank engine is a steam locomotive that carries its water in one or more on-board water tanks, instead of pulling it behind it in a tender. It will most likely also have some kind of bunker to hold the fuel. There are several different types of tank locomotive dependent upon...
('Prairie') had been successful, George Ivatt
George Ivatt
Henry George Ivatt known as George Ivatt, was the post-war Chief Mechanical Engineer of the London Midland and Scottish Railway. He was the son of the Great Northern Railway locomotive engineer Henry Ivatt....
designed the new engine type incorporating self-emptying ashpans and rocking grates which were labour-saving devices.
