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Saturday, 1 October 2011

Details of the class four's



Designer  C Fairburn

         
BuilderLMS & BR Derby Works
BR Brighton Works
Build date1945–1951
Total produced277
Configuration2-6-4T
UIC classification1'C2'ht
Gauge4 ft 8 12 in (1,435 mm)
Leading wheel
diameter
39.5 in (1.003 m)
Driver diameter69 in (1.753 m)
Trailing wheel
diameter
39.5 in (1.003 m)
Wheelbase37 ft 1 in (11.30 m)
Length45 ft 9 34 in (13.964 m)
Locomotive weight42050–42146: 84.70 long tons (86.06 t)
remainder: 85.25 long tons (86.62 t)
Fuel typeCoal
Fuel capacity3.5 long tons (3.6 t)
Water capacity42050–42146: 1,875 imp gal (8,520 l)
remainder: 2,000 imp gal (9,100 l)
BoilerLMS type 4C
Boiler pressure200 psi (1.38 MPa)
CylindersTwo, outside
Cylinder size19+58 × 26 in (500 × 660 mm)
Tractive effort24,670 lbf (109.7 kN)
ClassLMS: 4P
BR: 4MT
Retired1961–1967

My thanks to Wikepedia for the above

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