The

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 ...

(LMS) Rebuilt Royal Scot Class is a class of 4-6-0 steam locomotives. 70 members of this class were rebuilt by the LMS and its successor

British Rail British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four (British ra ...

ways (BR) from

LMS Royal Scot Class The London, Midland and Scottish Railway (LMS) Royal Scot Class is a class of 4-6-0 express passenger locomotive introduced in 1927. Originally having parallel boilers, all members were later rebuilt with tapered type 2A boilers, and were in ef ...

engines by the replacement of their life expired parallel boilers with a type 2A boiler over the period 1943–1955. (The class sometimes is numbered 71 as it included a prototype 1935 rebuild LMS (4)6170 British Legion, but sufficient technical differences existed which dictate that it is treated separately). They were the second type of

LMS 2 and 2A boilered 4-6-0 locomotives The London Midland and Scottish Railway (LMS) 2 and 2A boilered 4-6-0 locomotives were express passenger 4-6-0 steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the e ...

, after the rebuild of ''British Legion'' and the

LMS Rebuilt Jubilee Class The London Midland and Scottish Railway (LMS) Rebuilt Jubilee Class consisted of two 4-6-0 steam locomotives. History Both were rebuilt in 1942 from the LMS Jubilee Class engines—5736 ''Phoenix'' in April 1942 and 5735 ''Comet'' a month late ...

. LMS gave them the

power classification A number of different numbering and classification schemes were used for the locomotives owned by the London, Midland and Scottish Railway (LMS) and its constituent companies; this page explains the principal systems that were used. The followi ...

6P; this was later revised by BR to 7P.

Rebuilding

1948 Exchange trials

Waterloo LMS Rebuilt 'Scot' 4-6-0 with Atlantic Coast Express geograph-2652615-by-Ben-Brooksbank

In the

1948 Locomotive Exchange Trials The 1948 Locomotive Exchange Trials were organised by the newly nationalised British Railways (BR). Locomotives from the former "Big Four" constituent companies ( GWR, LMS, LNER, SR) were transferred to and worked on other regions. Officiall ...

, carried out by the recently nationalised British Railways, involved 46154 ''The Hussar'' and 46162 ''Queens Westminster Rifleman''. Apparently a rebuilt 'Royal Scot' proved capable of matching the maximum performance of the much larger

LMS Coronation Class The London, Midland and Scottish Railway (LMS) Coronation Class is a class of express passenger steam locomotives designed by William Stanier. They were an enlarged and improved version of his previous design, the LMS Princess Royal Class, a ...

Accidents

Irish Mail train crash at Penmaenmawr, August 27 1950 (14866147008)

*On 27 August 1950, 46119 ''Lancashire Fusilier'' was hauling the ''

Irish Mail The ''Irish Mail'' was a named train in the United Kingdom that operated from London Euston via the West Coast and North Wales Coast lines to Holyhead from 1848 until 2002 connecting with ferry services to Dublin. History The first ''Irish ...

'' which was in a rear-end collision with a light engine

LMS Hughes Crab The London Midland and Scottish Railway (LMS) Hughes Crab or Horwich Mogul is a class of mixed-traffic 2-6-0 steam locomotive built between 1926 and 1932. They are noted for their appearance with large steeply-angled cylinders to accommodate ...

No. 42885 at ,

Denbighshire Denbighshire ( ; cy, Sir Ddinbych; ) is a county in the north-east of Wales. Its borders differ from the historic county of the same name. This part of Wales contains the country's oldest known evidence of habitation – Pontnewydd (Bontnew ...

due to a signalman's error. Six people died as a result of the crash. *On 21 April 1952, 46117 ''Welsh Guardsman'' was one of two hauling an express passenger train which derailed at Blea Moor Loops,

West Riding of Yorkshire The West Riding of Yorkshire is one of three historic subdivisions of Yorkshire, England. From 1889 to 1974 the administrative county County of York, West Riding (the area under the control of West Riding County Council), abbreviated County ...

due to a defect on the other locomotive causing a set of points to move under the train.

Withdrawal

46151 Staveley (GC) MPD '63 (27001040102)

All were withdrawn between 1962 and 1965 in accordance with the

1955 Modernisation Plan Events January * January 3 – José Ramón Guizado becomes president of Panama. * January 17 – , the first Nuclear marine propulsion, nuclear-powered submarine, puts to sea for the first time, from Groton, Connecticut. * January 18� ...

Preservation

Of the 70 engines to be rebuilt only 2 members of the class have survived into preservation.

References