NER Class S2

Specifications
Specifications
Configuration:;
• Whyte	4-6-0
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Driver dia.	6 ft 1+1⁄4 in (1.861 m)
Wheelbase	26 ft 0+1⁄2 in (7.938 m) engine ; 12 ft 8 in (3.86 m) tender ; 50 ft 8+1⁄4 in (15.450 m) total
Axle load	19.4 long tons (19.7 t)
Loco weight	71.1 long tons (72.2 t)
Tender weight	44 long tons (45 t)
Total weight	115.1 long tons (116.9 t)
Firebox:; • Firegrate area	23 sq ft (2.1 m2)
Boiler	5 ft 6 in (1.68 m)
Boiler pressure	175 psi (1.21 MPa)
Heating surface	1,730 sq ft (161 m2)
• Tubes	723 sq ft (67.2 m2)
• Flues	506 sq ft (47.0 m2)
• Firebox	140 sq ft (13 m2)
Superheater:;
• Heating area	361 sq ft (33.5 m2)
Cylinders	2
Cylinder size	20 in × 26 in (510 mm × 660 mm)
Valve gear	Stephenson

NER Class S2
LNER Class B15
NER Class S2 ; LNER Class B15
Power type
Type and origin
Power type	Steam
Designer	Vincent Raven
Build date	1911-1913
Total produced	20
Rebuild date	All rebuilt by 1928
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Driver dia.	6 ft 1+1⁄4 in (1.861 m)
Wheelbase	26 ft 0+1⁄2 in (7.938 m) engine ; 12 ft 8 in (3.86 m) tender ; 50 ft 8+1⁄4 in (15.450 m) total
Axle load	19.4 long tons (19.7 t)
Loco weight	71.1 long tons (72.2 t)
Tender weight	44 long tons (45 t)
Total weight	115.1 long tons (116.9 t)
Firebox:; • Firegrate area	23 sq ft (2.1 m2)
Boiler	5 ft 6 in (1.68 m)
Boiler pressure	175 psi (1.21 MPa)
Heating surface	1,730 sq ft (161 m2)
• Tubes	723 sq ft (67.2 m2)
• Flues	506 sq ft (47.0 m2)
• Firebox	140 sq ft (13 m2)
Superheater:;
• Heating area	361 sq ft (33.5 m2)
Cylinders	2
Cylinder size	20 in × 26 in (510 mm × 660 mm)
Valve gear	Stephenson
Tractive effort
Performance figures
Tractive effort	21,115 lbf (93.92 kN)
Operators
Career
Operators	North Eastern Railway, London and North Eastern Railway
Retired	1937-1947
Disposition	All scrapped

The North Eastern Railway Class S2 - London and North Eastern Railway Class B15 - was a mixed traffic 4-6-0 steam locomotive designed by Vincent Raven. The design was based on NER Class S.

Accidents and incidents[]

On 14 February 1920, locomotive No. 787 was hauling a freight train which was involved in a head-on collision with a freight train hauled by locomotive No. 788 at Skelton, Yorkshire.^[1]

^ Hoole, Ken (1982). Trains in Trouble: Vol. 3. Redruth: Atlantic Books. p. 24. ISBN 0-906899-05-2.

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