BR Standard Class 7 [SEP] designer
BR Standard Class 7
The BR Standard Class 7, otherwise known as the "Britannia" Class, is a class of 4-6-2 "Pacific" steam locomotive designed under Robert Riddles for use by British Railways for mixed traffic duties. 55 were constructed between 1951 and 1954. The design employed results from the 1948 locomotive exchanges undertaken in advance of further locomotive classes being constructed. Three batches were constructed at Crewe Works, before the publication of the 1955 Modernisation Plan.
The "Britannia" Class design was
- The BR standard class 5 was based on Stanier’s successful LMS "Black Five" of 1934. Altogether 172 locomotives were built by 1957.
- A lighter and less powerful design was the BR standard class 4. Eighty of these were built by 1957.
Usage United States of America.
The first locomotive built in the United States of America was the "Chesapeake", built by Norris Locomotive Works for the Philadelphia and Reading railroad in March 1847. There are still conflicting opinions as to who the original designer