NER Class S1

Specifications
Specifications
Configuration:;
• Whyte	4-6-0
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Driver dia.	6 ft 8+1⁄4 in (2.038 m)
Wheelbase	27 ft 6 in (8.38 m) engine ; 12 ft 8 in (3.86 m) tender ; 51 ft 6+3⁄4 in (15.716 m) total
Axle load	19.5 long tons (19.8 t)
Loco weight	67.1 long tons (68.2 t)
Tender weight	41.1 long tons (41.8 t)
Total weight	108.2 long tons (109.9 t)
Firebox:
• Grate area	23 sq ft (2.1 m2)
Boiler	4 ft 9 in (1.45 m)
Boiler pressure	175 psi (1.21 MPa)
Heating surface:
• Firebox	120 sq ft (11 m2)
• Tubes	935 sq ft (86.9 m2)
• Flues	401 sq ft (37.3 m2)
• Total surface	1,750 sq ft (163 m2)
Superheater:;
• Heating area	294 sq ft (27.3 m2)
Cylinders	2 (outside)
Cylinder size	20 in × 26 in (510 mm × 660 mm)
Valve gear	Stephenson

Type and origin
Type and origin
Power type	Steam
Designer	Wilson Worsdell
Build date	1900-1901
Total produced	5

NER Class S1
LNER Class B14
NER Class S1 ; LNER Class B14
Power type
Type and origin
Power type	Steam
Designer	Wilson Worsdell
Build date	1900-1901
Total produced	5
Configuration:;
Specifications
Configuration:;
• Whyte	4-6-0
Leading dia.	3 ft 7+1⁄4 in (1.099 m)
Driver dia.	6 ft 8+1⁄4 in (2.038 m)
Wheelbase	27 ft 6 in (8.38 m) engine ; 12 ft 8 in (3.86 m) tender ; 51 ft 6+3⁄4 in (15.716 m) total
Axle load	19.5 long tons (19.8 t)
Loco weight	67.1 long tons (68.2 t)
Tender weight	41.1 long tons (41.8 t)
Total weight	108.2 long tons (109.9 t)
Firebox:
• Grate area	23 sq ft (2.1 m2)
Boiler	4 ft 9 in (1.45 m)
Boiler pressure	175 psi (1.21 MPa)
Heating surface:
• Firebox	120 sq ft (11 m2)
• Tubes	935 sq ft (86.9 m2)
• Flues	401 sq ft (37.3 m2)
• Total surface	1,750 sq ft (163 m2)
Superheater:;
• Heating area	294 sq ft (27.3 m2)
Cylinders	2 (outside)
Cylinder size	20 in × 26 in (510 mm × 660 mm)
Valve gear	Stephenson
Tractive effort
Performance figures
Tractive effort	19,310 lbf (85.9 kN)
Operators
Career
Operators	North Eastern Railway, London & North Eastern Railway
Numbers	2111-2115
Withdrawn	1929-1931
Disposition	All scrapped

The NER Class S1 (LNER Class B14) was a class of 4-6-0 steam locomotives of the North Eastern Railway. It was designed by Wilson Worsdell and five locomotives were built between 1900 and 1901 at Gateshead works. The S1 was similar to the NER Class S but had larger driving wheels and a higher boiler pressure.^[1]

Modifications

Schmidt superheaters and longer smokeboxes were fitted between 1913 and 1917.

Use

When built, the S1s hauled heavy passenger expresses between York, Newcastle, and Edinburgh. They were gradually replaced on these services by NER Class R and NER Class R1 4-4-0s. From 1907, they were mainly used for hauling fish trains.

Locomotive details

List of NER class S1/LNER class B14^[2]
Number(NER/LNER)	Built date	Withdrawal date	Notes
2111	31/12/1900	31/7/1929
2112	30/6/1901	31/5/1931	Last to be withdrawn
2113	30/6/1901	31/10/1930
2114	30/6/1901	31/10/1930
2115	31/8/1901	30/6/1929	First to be withdrawn

Withdrawal

All five locomotives were withdrawn between 1929 and 1931 and none were preserved.

References

^ "The Worsdell Class B14 (NER Class S1) 4-6-0s". LNER Encyclopedia.
^ "NER Class S1". RailUK.

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[1] "The Worsdell Class B14 (NER Class S1) 4-6-0s". LNER Encyclopedia.

[2] "NER Class S1". RailUK.

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