SR Lord Nelson Class 850 Lord Nelson

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Power typeSteam
Power typeSteam
850 Lord Nelson
850 Lord Nelson seen in preservation, in May 2007
Type and origin
Power typeSteam
DesignerRichard Maunsell
BuilderEastleigh Works
Build date1926
Websitecollection.sciencemuseum.org.uk/objects/co205792/southern-railway-lord-nelson-steam-locomotive Edit this at Wikidata
Specifications
Configuration:
  Whyte4-6-0
  UIC2′C h4
Gauge4 ft 8+12 in (1,435 mm) standard gauge
Leading dia.3 ft 1 in (0.940 m)
Driver dia.6 ft 7 in (2.007 m)
Length69 ft 9+34 in (21.3 m)
Loco weight83 long tons 10 cwt (187,000 lb or 84.8 t)
Tender weight57 long tons 19 cwt (129,800 lb or 58.9 t)
Fuel typeCoal
Fuel capacity5 long tons 0 cwt (11,200 lb or 5.1 t) (5.6 short tons)
Water cap.5,000 imp gal (23,000 L; 6,000 US gal)
Firebox:
  Grate area33 ft2 (3.1 m2)
Boiler pressure220 lbf/in2 (1.52 MPa)
CylindersFour
Cylinder size16+12 in × 26 in (419 mm × 660 mm)
Performance figures
Tractive effort33,510 lbf (149.06 kN)
Career
Operators
ClassLord Nelson class
Power classBR: 7P
NumbersSR E850 (until 1928)
SR 850 (1928-1947)
BR 30850 (1948-1962)
Official nameLord Nelson
LocaleGreat Britain
WithdrawnAugust 1962
DispositionOut of service, awaiting an overhaul
As E850 Lord Nelson, with an indicator shelter for prototype testing, c.1926–1927

Southern Railway (SR) No. 850 Lord Nelson (originally E850, BR no. 30850) is a preserved British steam locomotive of the Lord Nelson class. It forms part of the United Kingdom's National Railway Collection.

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