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NER Class W1








NER Class W1


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NER Class W1
LNER Class A6














Type and origin
Power typeSteam
Designer
Wilson Worsdell / Vincent Raven
BuilderGateshead Works
Build date1907–1908
Total produced10
Rebuild date1914–1917
Number rebuilt10




































Specifications
Configuration:
 • Whyte
4-6-2T
 • UIC
2′C1′ n2t / 2′C1′ h2t
Gauge
4 ft 8 12 in (1,435 mm)
Leading dia.3 ft 1 14 in (0.946 m)

Driver dia.
5 ft 1 14 in (1.556 m)
Trailing dia.3 ft 9 14 in (1.149 m)
Length43 ft 10 34 in (13.379 m)
Loco weight

  • Saturated: 78.00 long tons (79.25 t; 87.36 short tons)


  • Superheated: 79.00 long tons (80.27 t; 88.48 short tons)

Fuel typeCoal
Fuel capacity4.00 long tons (4.06 t; 4.48 short tons)
Water cap1,893 imp gal (8,610 l; 2,273 US gal)
Firebox:
 • Firegrate area
23 sq ft (2.1 m2)
Boiler pressure175 lbf/in2 (1.21 MPa)
CylindersTwo, inside
Cylinder size19 in × 26 in (483 mm × 660 mm)
Valve gearStephenson
Valve type
8 34-inch (222 mm) piston valves


Performance figures
Tractive effort22,830 lbf (101.55 kN)










Career
Operators
  • North Eastern Railway

  • London and North Eastern Railway

  • British Railways

Power classBR: 4P
Axle load classLNER/BR: Route availability 4
Withdrawn1947–1953
DispositionAll scrapped
[1]

The NER Class W1 was a 4-6-2T steam locomotive of the North Eastern Railway. The class was introduced in 1914 as a rebuild of Wilson Worsdell's NER Class W 4-6-0T (introduced 1907). At the 1923 Grouping, they all passed to the London and North Eastern Railway, who placed them in their Class A6.




Contents





  • 1 Modifications


  • 2 British Railways


  • 3 Withdrawal


  • 4 References




Modifications[edit]


Seven of the locomotives were fitted with superheaters between 1937 and 1944.[2]



British Railways[edit]


One locomotive was withdrawn in 1947 but the remaining nine passed to British Railways in 1948 and were numbered as follows:


  • Superheated: 69791-69793 and 69796-69797

  • Non-superheated: 69794-69795 and 69798


Withdrawal[edit]


One locomotive was withdrawn in 1947 and the others had all been withdrawn by the end of 1951. None are preserved.
















































































Table of locomotives[3]
NER no.Date rebuiltDate superheatedLNER 1946 No.BR No.Date withdrawnNotes
686May 1915May 19449790Jun 1947
687Jan 1917May 1943979169791Aug 1951
688Sep 1914Dec 1944979269792Feb 1948Withdrawn before BR number applied
689May 1915Aug 1937979369793Apr 1951
690Aug 1916979469794Aug 1951
691Jun 1915979569795Jul 1950
692May 1916Sep 1937979669796Mar 1953
693Feb 1916Jan 1937979769797Aug 1951
694May 1915979869798Feb 1951
695Jul 1915Jan 1937979969799Feb 1950Withdrawn before BR number applied


References[edit]




  1. ^ Fry 1964, p. 12.


  2. ^ "The Wilson Worsdell A6 Pacific Tank Locomotives". LNER Encyclopedia..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  3. ^ Fry 1964, pp. 12, 15.




  • Fry, E. V., ed. (April 1964). Locomotives of the L.N.E.R., part 7: Tank Engines - Classes A5 to H2. Kenilworth: RCTS. ISBN 0-901115-13-4.





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