page_title: LMS Rebuilt Royal Scot Class
section_title: 1948 Exchange trials
hierarchical_section_title: LMS Rebuilt Royal Scot Class / 1948 Exchange trials
caption_attribution_description: English: LMS Rebuilt 'Scot' 4-6-0 brings Atlantic Coast Express into Waterloo On a run up from Exeter during the 1948 Locomotive Exchanges, No. 46154 'The Hussar' (built 7/30, rebuilt 3/48, withdrawn 12/62) passes Waterloo Power Box. It was one of the engines that excelled themselves on the Trials.
context_page_description: The London Midland and Scottish Railway 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 Railways from LMS Royal Scot Class engines by the replacement of their life expired parallel boilers with a type 2A boiler over the period 1943-1955. They were the second type of LMS 2 and 2A boilered 4-6-0 locomotives, after the rebuild of British Legion and the LMS Rebuilt Jubilee Class.
  LMS gave them the power classification 6P; this was later revised by BR to 7P.
context_section_description: In the 1948 Locomotive Exchange Trials, 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.
caption: 46154 The Hussar during the 1948 exchange trails with an ex-WD tender.
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