NER Class S

The North Eastern Railway Class S (LNER Class B13) was a 4-6-0 type of steam locomotive designed for express passenger workings. The first example was built in 1899. They were very similar to the NER Class S1, except for the smaller wheels of the Class S.

NER Class S
LNER Class B13
2010 with the Royal Train (Date and location unknown)
Type and origin
Power typeSteam
DesignerWilson Worsdell
BuilderGateshead Works
Build date1899–1909
Total produced40
Specifications
Configuration:
​
 • Whyte4-6-0
 • UIC2′C n2, later 2′C h2
Leading dia.3 ft 7 1⁄4 in (1.099 m)
Coupled dia.6 ft 1 1⁄4 in (1.861 m)
Wheelbase50 ft 8 1⁄4 in (15.450 m)
 • Engine26 ft 0 1⁄2 in (7.938 m)
 • Tender12 ft 8 in (3.861 m)
Length61 ft 0 3⁄4 in (18.612 m)[1]
Axle load19.70 long tons (20.02 t)
Adhesive weight48.10 long tons (48.87 t)
Loco weight64.30 long tons (65.33 t)
Tender weight43.50 long tons (44.20 t)
Total weight107.80 long tons (109.53 t)
Fuel capacity5.00 long tons (5.08 t)
Water cap3,940 imp gal (17,900 l; 4,730 US gal)
Firebox:
 • Firegrate area		23 sq ft (2.1 m2)
BoilerLNER diagram 54
Boiler pressure160 psi (1.1 MPa)
Heating surface1,659 sq ft (154.1 m2)
 • Tubes884 sq ft (82.1 m2)
 • Flues379 sq ft (35.2 m2)
 • Firebox120 sq ft (11 m2)
Superheater:
​
 • TypeSchmidt
 • Heating area276 sq ft (25.6 m2)
CylindersTwo, outside
Cylinder size20 in × 26 in (508 mm × 660 mm)
Valve gearStephenson
Valve type8 3⁄4-inch (222 mm) piston valves (first 8 built with sides valves, but altered 1901–21)
Performance figures
Tractive effort19,309 lbf (85.89 kN)
Career
Operators
  • North Eastern Railway
  • London & North Eastern Railway
Withdrawn1928–1938
DispositionAll scrapped

Design

They were designed to reduce double heading on the East Coast Main Line. However they steamed poorly, with a smaller and shallower grate than was used even by other locomotives at the time, and the 4-4-0s of the NER Class R quickly replaced them, with the 4-4-2 layout being preferred for later express passenger designs. The class were re-classified as London and North Eastern Railway Class B13 in 1923.

Modifications

The first seven locomotives had slide valves, while the remainder had piston valves. The slide valve engines were later fitted with piston valves. Schmidt superheaters were fitted between 1913 and 1925.[2]

Numbering
Table of locomotives [3][4]
NER
No.		Date
built		Date
superheated		Date
withdrawn		Notes
2001Jun 1899Feb 1916Jun 1931
2002Jun 1899Jul 1924Jul 1931
2003Sep 1899May 1920Jul 1931
2004Dec 1899Apr 1921Aug 1928
2005Dec 1899Nov 1916Nov 1928
2006Dec 1899Apr 1918Jun 1931
2007Mar 1900Jun 1916Oct 1928
2008May 1900Apr 1917Dec 1929
2009Jun 1900Jul 1915Jul 1931
2010Jun 1900Apr 1916Jul 1931
726Apr 1906Nov 1915Dec 1936
740Apr 1906Jul 1914Sep 1932
757Apr 1906Mar 1918May 1932
760May 1906Apr 1915Mar 1931
761Jun 1906Nov 1924Sep 1934Transferred to service stock September 1934; superheater removed; renumbered 1699 October 1946; retired May 1951.
763Jun 1906Jan 1916Apr 1929
766Jun 1906Dec 1916Oct 1931
768Jun 1906Aug 1918May 1929
775Aug 1906Dec 1920Aug 1936
1077Aug 1906Jun 1918Nov 1931
738Jun 1908Aug 1916Jul 1938
739Jun 1908Feb 1925Jul 1932
741Jun 1908May 1917Jan 1930
743Jul 1908Oct 1917May 1932
744Jul 1908Nov 1915Dec 1931
745Aug 1908Dec 1921Dec 1931
746Aug 1908Mar 1918Nov 1931
747Sep 1908Oct 1920Aug 1932
748Sep 1908Mar 1915Oct 1938
749Oct 1908Nov 1915Apr 1930
750Nov 1908Jan 1915Nov 1932
751Nov 1908Nov 1913May 1936
752Nov 1908Mar 1920Jun 1934
753Dec 1908Nov 1916Oct 1938
754Jan 1909Jul 1922Dec 1936
755Jan 1909Aug 1917Feb 1934
756Jan 1909Nov 1919Sep 1934
758Feb 1909Nov 1915May 1930
759Mar 1909Sep 1923Oct 1938
762Mar 1909Jun 1917May 1937

Withdrawal

They were withdrawn between 1928 and 1938.

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References
  1. Boddy et al. 1975, p. 68.
  2. "The Worsdell Class B13 (NER Class S) 4-6-0s". LNER Encyclopedia.
  3. Boddy et al. 1975, p. 73.
  4. "NER/LNER Worsdell "B13" Class 4-6-0". BRDatabase.
  • Boddy, M. G.; Brown, W. A.; Fry, E. V.; Hennigan, W.; Hoole, Ken; Manners, F.; Neve, E.; Platt, E. N. T.; Proud, P.; Yeadon, W. B. (March 1975). Fry, E. V. (ed.). Locomotives of the L.N.E.R., Part 2B: Tender Engines—Classes B1 to B19. Lincoln: RCTS. ISBN 0-901115-73-8.
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