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Taken 3-Feb-19
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Dimensions4138 x 3035
Original file size2.54 MB
Image typeJPEG
Color spaceUnknown
Date modified3-Feb-19 19:37
5535 1937-08-28 Nottingham

5535 1937-08-28 Nottingham

Patriot 4-6-0 No.5535 stands in the centre road at Nottingham Midland on August 28, 1937. In 1936 tests were carried out to compare different methods of delivery of feed water to the boiler. The engines used were 5535 and Jubilee 5665 , working between Wolverhampton and Euston. Two systems were tried, a standard top feed and a submerged feed. In the top feed method water is delivered on a series of trays in the steam space approximately 4in. above water level. In the submerged feed method, the water was delivered 9in. below water level and close to the side of the boiler shell. After the initial runs, the boilers were modified from a feed above the water level to take a supply from the exhaust injector below the water level. 5535 was used in April with the standard method of feed and then in September with the revised method consisting of an exhaust injector only, with the feed in front of the dome as shown in this picture. The conclusions were that the submerged supply was more efficient and economical. However, no further action was taken as a result and the top feed supply remained above the water level on the standard LMS boilers
Photo: T.G. Hepburn/Rail Archive Stephenson