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The Stanier Class 3P 2-6-2T was a class of
A taper-boiler versions of Henry Fowler's 1930 design, the general dimensions were the same with some improvements. They were under-boilered and although improved they were always considered to be indifferent performers. In some ways they were inferior to their predecessors. The cab was of Stanier's usual excellent design with the coal bunker built higher than the rear cab windows but angled inwards to avoid them, thus giving good visibility when running bunker first.
The first 2 lots (117 and 126, locomotives 71–144) were built with number 6 domeless boilers but the rest were built with improved 6A boilers with separate top-feed and steam dome. Both types of boilers were later modified to carry Adams ‘Vortex’ blastpipe to improve steaming. These locomotives could always be identified by the larger diameter chimney.
The 139 locomotives were numbered 71–209 by the LMS, and after 1948 BR renumbered them 40071–209. The LMS classified them 3P.
In a final attempt to improve the locomotives, six were rebuilt with larger 6B boilers; these were 169 in 1940, 163 in 1941, 148 and 203 in 1942, and 40142 and 40167 in 1956. The re-boilering was not considered to be cost effective.
They were to be found on various duties – stopping train, suburban passenger routes, branch line, empty stock and banking.
They are generally considered to be the least successful of Stanier's standard designs.
Class 3P-B Details
at ''Rail UK'' {{LMS Locomotives 3 Stanier 2-6-2T 2-6-2T locomotives Railway locomotives introduced in 1935 Scrapped locomotives Standard gauge steam locomotives of Great Britain
London, Midland and Scottish Railway
The London, Midland and Scottish Railway (LMSIt has been argued that the initials LMSR should be used to be consistent with LNER, GWR and SR. The London, Midland and Scottish Railway's corporate image used LMS, and this is what is generally u ...
(LMS) 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, oil or, rarely, wood) to heat water in the locomot ...
. They were designed by William Stanier
Sir William Arthur Stanier, (27 May 1876 – 27 September 1965) was a British railway engineer, and was chief mechanical engineer of the London, Midland and Scottish Railway.
Biography
Sir William Stanier was born in Swindon, where his ...
based on the earlier LMS Fowler 2-6-2T
The London, Midland and Scottish Railway (LMS) Fowler 2-6-2T was a class of steam locomotive. The LMS classified them 3P, BR 3MT. All were built at Derby Works between 1930 and 1932. William Stanier used them to form the basis for the LMS Stanier ...
.
Overview
A taper-boiler versions of Henry Fowler's 1930 design, the general dimensions were the same with some improvements. They were under-boilered and although improved they were always considered to be indifferent performers. In some ways they were inferior to their predecessors. The cab was of Stanier's usual excellent design with the coal bunker built higher than the rear cab windows but angled inwards to avoid them, thus giving good visibility when running bunker first.
The first 2 lots (117 and 126, locomotives 71–144) were built with number 6 domeless boilers but the rest were built with improved 6A boilers with separate top-feed and steam dome. Both types of boilers were later modified to carry Adams ‘Vortex’ blastpipe to improve steaming. These locomotives could always be identified by the larger diameter chimney.
The 139 locomotives were numbered 71–209 by the LMS, and after 1948 BR renumbered them 40071–209. The LMS classified them 3P.
In a final attempt to improve the locomotives, six were rebuilt with larger 6B boilers; these were 169 in 1940, 163 in 1941, 148 and 203 in 1942, and 40142 and 40167 in 1956. The re-boilering was not considered to be cost effective.
They were to be found on various duties – stopping train, suburban passenger routes, branch line, empty stock and banking.
They are generally considered to be the least successful of Stanier's standard designs.
Detail
Withdrawals
The class was withdrawn between November 1959 and December 1962, with the last of the large boiler variant (40148) having been withdrawn in September 1962. None were preserved.References
* * *External links
Class 3P-B Details
at ''Rail UK'' {{LMS Locomotives 3 Stanier 2-6-2T 2-6-2T locomotives Railway locomotives introduced in 1935 Scrapped locomotives Standard gauge steam locomotives of Great Britain