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Album: Trainspotting in the 1950s and 1960s and What We Used to Wear

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SR/BR Bulleid MN Class 4-6-2 No. 35011 at Woodham Brothers Scrapyard 1966

SR/BR Bulleid MN Class 4-6-2 No. 35011 at Woodham Brothers Scrapyard 1966 - Low Resolution Image

Southern Railway/BR Bulleid Merchant Navy Class 4-6-2 Pacific No. 35011 'General Steam Navigation' at Woodham Brothers scrapyard, Barry, Wales on 18th August 1966. Built at Eastleigh Works, it entered traffic in December 1944. Rebuilt in July 1959, it was withdrawn from 71B Bournemouth shed in February 1966. It is preserved at Williton, West Somerset Railway (it was at at RAF Binbrook until late 2007). Regarded as the only steam locomotive to bear the word 'steam' in the name.

The SR Merchant Navy class (originally known as the 21C1 class, and later informally known as Bulleid Pacifics, Spam Cans or Packets), was a class of air-smoothed 4-6-2 Pacific steam locomotives designed for the Southern Railway of the United Kingdom by Oliver Bulleid. The Pacific design was chosen in preference to several others proposed by Bulleid. The first members of the class were constructed during the Second World War, and the last of the 30 locomotives in 1949.

Incorporating a number of new developments in British steam locomotive technology, the design of the Merchant Navy class was among the first to use welding in the construction process; this enabled easier fabrication of components during the austerity of the war and post-war economies. The locomotives featured thermic syphons and Bulleid's innovative, but controversial, chain-driven valve gear. The class members were named after the Merchant Navy shipping lines involved in the Battle of the Atlantic, and latterly those which used Southampton Docks, a publicity masterstroke by the Southern Railway, which operated Southampton Docks during the period.

Due to problems with some of the more novel features of Bulleid's design, all members of the class were rebuilt by British Railways during the late 1950s, losing their air-smoothed casings in the process. The Merchant Navy class operated until the end of Southern steam in July 1967. A third of the class has survived and can be seen on heritage railways throughout Great Britain.

The locomotives were equipped with the unusual 6 ft 2 in Bulleid Firth Brown driving wheels which were lighter, yet stronger than the spoked equivalent. These proved to be successful and were later used on other Bulleid classes. The wheels were constructed by bridging together individual plates of steel, and overall they were 10% lighter than the equivalent spoked wheels. In addition, this was a stronger disc design which provided a more uniform support to the tyre.

A trainspotter in his school uniform of peaked school cap, shirt, tie, blazer, short trousers and knee socks, inspects one of the unusual driving wheels. By 1966, school caps and shorts were no longer worn by the vast majority of boys, only public and grammar schools hanging on to them.

Date Photo Taken 18/08/1966
Date Uploaded 11/07/2014
Image Owner/Copyright Howie Milburn
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Steam Loco Information for SR/BR Bulleid MN Class 4-6-2 No. 35011 at Woodham Brothers Scrapyard 1966 - Low Resolution Image

Steam Loco Class Information for SR/BR Bulleid MN Class 4-6-2 No. 35011 at Woodham Brothers Scrapyard 1966 - Low Resolution Image

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