SR Lord Nelson Class 850 Lord Nelson

Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h4
Gauge	4 ft 8 1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 1 in (0.940 m)
Driver dia.	6 ft 7 in (2.007 m)
Length	69 ft 9 3⁄4 in (21.3 m)
Total weight	142 long tons 6 cwt (318,800 lb or 144.6 t) (159.4 short tons)
Fuel type	Coal
Fuel capacity	5 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:; • Firegrate area	33 sq ft (3.1 m2)
Boiler pressure	220 lbf/in2 (1.52 MPa)
Cylinders	Four
Cylinder size	16 1⁄2 in × 26 in (419 mm × 660 mm)

Type and origin
Power type	Steam
Designer	Richard Maunsell
Builder	Eastleigh Works
Build date	1926
Website	collection.sciencemuseum.org.uk/objects/co205792/southern-railway-lord-nelson-steam-locomotive

850 Lord Nelson
	850 Lord Nelson seen in preservation, in May 2007
Type and origin
Power type	Steam
Designer	Richard Maunsell
Builder	Eastleigh Works
Build date	1926
Website	collection.sciencemuseum.org.uk/objects/co205792/southern-railway-lord-nelson-steam-locomotive
Specifications
Configuration:;
• Whyte	4-6-0
• UIC	2′C h4
Gauge	4 ft 8 1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 1 in (0.940 m)
Driver dia.	6 ft 7 in (2.007 m)
Length	69 ft 9 3⁄4 in (21.3 m)
Total weight	142 long tons 6 cwt (318,800 lb or 144.6 t) (159.4 short tons)
Fuel type	Coal
Fuel capacity	5 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:; • Firegrate area	33 sq ft (3.1 m2)
Boiler pressure	220 lbf/in2 (1.52 MPa)
Cylinders	Four
Cylinder size	16 1⁄2 in × 26 in (419 mm × 660 mm)
Performance figures
Tractive effort	33,510 lbf (149.06 kN)
Career
Operators	Southern Railway →; British Railways (Southern Region);
Class	Lord Nelson class]
Power class	BR: 7P
Numbers	850
Official name	Lord Nelson
Locale	Great Britain

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

As E850 Lord Nelson, with an indicator shelter for prototype testing, circa 1926-1927

Overview

30850 at Bournemouth MPD in 1958

850 was built at Eastleigh Works in 1926 to a design by R E L Maunsell, as the prototype for the 16-strong Lord Nelson class, and named after Horatio Nelson.

The Southern Railway became part of British Railways (BR) in 1948 through nationalisation, and was renumbered 30850. Under BR the class were given the power classification 7P. She was withdrawn in August 1962. She was preserved as part of the National Railway Collection, and is the sole survivor of the class. She has run in preservation, including on the main line, where her TOPS number is 98750. Her boiler certification expired in 2015.

External links

Official website

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