British Railway Steam Locomotive
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Note: To Obtain Consistency in the Steam System, Shed Codes used are those Registered at Nationalisation on 1st January 1948
|2nd Grouping Number|| |
|1st Grouping Number||sr 502|
|2nd Pre Grouping Number|| |
|1st Pre Grouping Number||lswr 502|
|Builder||Eastleigh Works (LSWR/SR/British Railways)|
|1948 Shed||70B Feltham|
|Last Shed||70B Feltham|
|Disposal details||Eastleigh Works (B.R.)|
|Notes||Maunsell Super Heater Fitted Mar 1930|
Class InformationIntroduced 1920. Urie LSWR design, development of Class N15 for mixed traffic work.
(a) Introduced 1927. Maunsell development of Urie design with higher boiler pressure, reduced cylinder diameter, smaller grate, modified cab and other detail alterations.
(b) Introduced 1927. Fitted with six wheel tenders for Central Section.
(c) Introduced 1936. Locos with further detail differences, reduced weight and modified tender design.
Loco 79 tons 16 cwt, 80 tons 14 cwt (a)(b), 79 tons 5 cwt (c)
Tend 57 tons 16 cwt, 56 tons 8 cwt (a)(c), 42 tons 8 cwt (b)
Driving Wheel: 5' 7" Boil Press: 180lb/sq in Su; 200lb/sq in Su (a-c)
Cylinders: Valve Gear: Walschaerts (piston valves)
Two 21" x 28" (outside)
Two 20?" x 28" (outside) (a-c) TE: 28,200 lb; 29,855 lb (a-c)
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