L&YR Class 7
Encyclopedia
The Lancashire and Yorkshire Railway
Lancashire and Yorkshire Railway
The Lancashire and Yorkshire Railway was a major British railway company before the 1923 Grouping. It was incorporated in 1847 from an amalgamation of several existing railways...

 (L&YR) Class 7 was a class of Atlantic
4-4-2 (locomotive)
Under the Whyte notation for the classification of steam locomotives, 4-4-2 represents the wheel arrangement of four leading wheels on two axles , four powered and coupled driving wheels on two axles, and two trailing wheels on one axle...

 passenger steam locomotives to the design of John Aspinall
John Aspinall (engineer)
Sir John Audley Frederick Aspinall was a British mechanical engineer who served as Locomotive Superintendent of the Great Southern and Western and Lancashire and Yorkshire Railways. He introduced vacuum brakes to his locomotives in Ireland, a trend which was followed in Britain, and designed...

. Forty were built between 1899 and 1902. They were known as "High-Flyers" as a result of having a high-pitched boiler
Boiler
A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.-Materials:...

 that was supposed to increase stability at speed. All passed into London, Midland and Scottish Railway
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) ownership on the grouping
Railways Act 1921
The Railways Act 1921, also known as the Grouping Act, was an enactment by the British government of David Lloyd George intended to stem the losses being made by many of the country's 120 railway companies, move the railways away from internal competition, and to retain some of the benefits which...

 of 1923, becoming the LMS's only atlantic tender engine class. The LMS gave them the power classification 2P. Withdrawals started in 1926, and the last was withdrawn in 1934. None was preserved.
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