description LMS Princess Coronation Class Overview
The LMS Princess Coronation Class was a powerful British steam locomotive built for the London and North Western Railway between 1938 and 1939. Notable for its streamlined design and impressive 4-6-2 wheel arrangement, it represented the peak of express passenger travel during the interwar period. These locomotives were primarily used on long-distance services, catering to wealthy travelers and business executives requiring speed and comfort.
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LMS Princess Coronation Class ranks #33 of 248 in the Locomotive ranking, behind New York Central J-3a Hudson, ahead of Bombardier Zefiro 380 (China).
balance LMS Princess Coronation Class Pros & Cons
- Powerful express performance
- Strong high-speed capability
- Smooth passenger operation
- Distinctive streamlined examples
- High coal consumption
- Labor-intensive maintenance
- Heavy route requirements
help LMS Princess Coronation Class FAQ
Who designed the LMS Princess Coronation Class?
The Princess Coronation Class was designed by William Stanier, Chief Mechanical Engineer of the London, Midland and Scottish Railway (LMS). The locomotives were introduced in the late 1930s to compete with the LNER's streamlined A4-class express locomotives on prestigious passenger services.
Are any Princess Coronation Class locomotives preserved?
Yes, several Princess Coronation Class locomotives are preserved, including No. 6229 "Duchess of Hamilton," which is displayed at the National Railway Museum in York. The streamlined casing of Duchess of Hamilton has been both removed and restored at different points in its preservation history.
What was the purpose of the streamlined casing on the Princess Coronation Class?
The streamlined casing was applied to select members of the class to reduce air resistance at high speeds and create a striking visual statement for the LMS's premium express passenger service, particularly the "Coronation Scot" train. Some locomotives later had the streamlining removed for easier maintenance.
How fast could the Princess Coronation Class locomotives go?
The Princess Coronation Class was capable of speeds exceeding 100 mph, with recorded test runs reportedly reaching over 110 mph. They were among the most powerful British steam locomotives ever built, designed for heavy express passenger service on the West Coast Main Line.
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