LNWR Jubilee Class
Encyclopedia
The London and North Western Railway
London and North Western Railway
The London and North Western Railway was a British railway company between 1846 and 1922. It was created by the merger of three companies – the Grand Junction Railway, the London and Birmingham Railway and the Manchester and Birmingham Railway...

 (LNWR) Jubilee Class was a class of 4-4-0
4-4-0
Under the Whyte notation for the classification of steam locomotives, 4-4-0 represents the wheel arrangement of four leading wheels on two axles , four powered and coupled driving wheels on two axles, and no trailing wheels...

 4-cylinder compound locomotive
Compound locomotive
A compound engine unit is a type of steam engine where steam is expanded in two or more stages.A typical arrangement for a compound engine is that the steam is first expanded in a high-pressure cylinder, then having given up heat and losing pressure, it exhausts directly into one or more larger...

s by F.W. Webb. A total of forty were built from 1897–1900.

Slightly unusually for the LNWR, the class received a number series, this being 1901–1940.

As with other Webb compounds, they were mechanically unreliable. As a result, George Whale
George Whale
George Whale was a British locomotive engineer who worked for the London and North Western Railway .Whale was born in Bocking, Essex. In 1858 he entered Wolverton Works under James Edward McConnell, and from 1862 under John Ramsbottom. In 1865 he entered the drawing office at Crewe Works, and in...

 rebuilt these as two cylinder simple locomotives of the Renown Class
LNWR Renown Class
The London and North Western Railway Renown Class was a class of 4-4-0 steam locomotives. They were rebuilds of F.W. Webb's 4 cylinder compounds of the Jubilee and Alfred the Great classes into 2 cylinder simple engines by George Whale, later continued by Charles Bowen-Cooke.The first to be...

, starting with 1918 Renown in 1908. Rebuilt engines retained their numbers. Rebuilding continued so that at the grouping of 1923, only 9 Jubilees remained. These were 1903/4/8/11/12/15/23/27/29. 1908 Royal George was withdrawn in January 1923, but the remaining eight were allocated the LMS numbers 5110–5117, in sequence. Two, 1904 Rob Roy and 1923 Agamemnon were withdrawn 1923, without receiving new numbers. The LMS rebuilt the remaining six into Renowns in 1924, making the class extinct. (Their subsequent history is discussed at LNWR Renown Class
LNWR Renown Class
The London and North Western Railway Renown Class was a class of 4-4-0 steam locomotives. They were rebuilds of F.W. Webb's 4 cylinder compounds of the Jubilee and Alfred the Great classes into 2 cylinder simple engines by George Whale, later continued by Charles Bowen-Cooke.The first to be...

).

Locomotive list

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