NER Class W1 - Misplaced Pages

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NER Class W1
LNER Class A6

Type and origin
Power type	Steam
Designer	Wilson Worsdell / Vincent Raven
Builder	Gateshead Works
Build date	1907–1908
Total produced	10
Rebuild date	1914–1917
Number rebuilt	10

Specifications
Configuration:
• Whyte	4-6-2T
• UIC	2′C1′ n2t / 2′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	3 ft 1+1⁄4 in (0.946 m)
Driver dia.	5 ft 1+1⁄4 in (1.556 m)
Trailing dia.	3 ft 9+1⁄4 in (1.149 m)
Length	43 ft 10+3⁄4 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 type	Coal
Fuel capacity	4.00 long tons (4.06 t; 4.48 short tons)
Water cap.	1,893 imp gal (8,610 L; 2,273 US gal)
Firebox:
• Grate area	23 sq ft (2.1 m)
Boiler pressure	175 lbf/in (1.21 MPa)
Cylinders	Two, inside
Cylinder size	19 in × 26 in (483 mm × 660 mm)
Valve gear	Stephenson
Valve type	8+3⁄4-inch (222 mm) piston valves

Performance figures
Tractive effort	22,830 lbf (101.55 kN)

Career
Operators	North Eastern Railway London and North Eastern Railway British Railways
Power class	BR: 4P
Axle load class	LNER/BR: Route availability 4
Withdrawn	1947–1953
Disposition	All scrapped

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.

Modifications

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

One locomotive was withdrawn in 1947 but the remaining nine passed to British Railways in 1948 and were numbered as follows:

One locomotive was withdrawn in 1947 and the others had all been withdrawn by the end of 1951.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

Table of locomotives
NER no.	Date rebuilt	Date superheated	LNER 1946 No.	BR No.	Date withdrawn	Notes
686	May 1915	May 1944	9790	—	Jun 1947
687	Jan 1917	May 1943	9791	69791	Aug 1951
688	Sep 1914	Dec 1944	9792	69792	Feb 1948	Withdrawn before BR number applied
689	May 1915	Aug 1937	9793	69793	Apr 1951
690	Aug 1916	—	9794	69794	Aug 1951
691	Jun 1915	—	9795	69795	Jul 1950
692	May 1916	Sep 1937	9796	69796	Mar 1953
693	Feb 1916	Jan 1937	9797	69797	Aug 1951
694	May 1915	—	9798	69798	Feb 1951
695	Jul 1915	Jan 1937	9799	69799	Feb 1950	Withdrawn before BR number applied

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.

Pre-grouping
railway designs

Great Central	A5 B1/B18 B2/B19 B3 B4 B5 B6 B7 B8 B9 C4 C5 C13 C14 D7 D9 D10 D11 G3 J10 J11 J60 J62 J63 L1/L3 M1 N4 N5 N6 O4 O5 Q4 S1
Great Eastern	B12 D13 D14 D15 D16 E4 F3 F4 F5 F6 F7 G4 J14 J15 J16 J17 J18 J19 J20 J65 J66 J67 J68 J69 J70 N7 Y4 Y5 Y6
Great North of Scotland	D40 D41 Z4 Z5
Great Northern	A1 C1 C2 C12 D2 D3 D4 J1 J3 J4 J5 J6 J7 J50 J51 J52 J53 K1 K2 K3 N1 N2 O1 O2 R1
North British	C10 C11 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 E7 J31 J32 J33 J34 J35 J36 J37 J81 J83 J84 J85 J86 J88 N14 N15 Y9 Y10
North Eastern	A2 A6 A7 B13 B14 B15 B16 C6 C7 D17/1 D17/2 D18 D19 D20 D21 D22 D23 E5 E6 F8 G5 G6 H1 J21 J24 J25 J26 J27 J71 J72 J73 J77 N8 N9 N10 Q5 Q6 Q7 T1 X1 Y7 Y8 EB1 EE1 EF1 ES1
North Eastern (ex Hull & Barnsley)	J75 N11 N12 N13 Q10

LNER designs

Other designs

Proposed designs

see also: British Railways steam locomotives; GWR locomotives; LMS locomotives; Southern Railway locomotives

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