NER Class S1

NER Class S1
LNER Class B14
Type and origin
Power typeSteam
DesignerWilson Worsdell
Build date1900-1901
Total produced5
Specifications
Configuration:
​
 • Whyte4-6-0
Leading dia.3 ft 7+1⁄4 in (1.099 m)
Driver dia.6 ft 8+1⁄4 in (2.038 m)
Wheelbase27 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 load19.5 long tons (19.8 t)
Loco weight67.1 long tons (68.2 t)
Tender weight41.1 long tons (41.8 t)
Total weight108.2 long tons (109.9 t)
Firebox:​
 • Grate area23 sq ft (2.1 m2)
Boiler4 ft 9 in (1.45 m)
Boiler pressure175 psi (1.21 MPa)
Heating surface:​
 • Firebox120 sq ft (11 m2)
 • Tubes935 sq ft (86.9 m2)
 • Flues401 sq ft (37.3 m2)
 • Total surface1,750 sq ft (163 m2)
Superheater:
​
 • Heating area294 sq ft (27.3 m2)
Cylinders2 (outside)
Cylinder size20 in × 26 in (510 mm × 660 mm)
Valve gearStephenson
Performance figures
Tractive effort19,310 lbf (85.9 kN)
Career
OperatorsNorth Eastern Railway, London & North Eastern Railway
Numbers2111-2115
Withdrawn1929-1931
DispositionAll 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. Despite their generally high status, they proved to be insufficient with steaming and were seemingly no better than the S Class that came before them. As a result, they were gradually re-allocated onto goods traffic (mainly hauling fish trains) once the North Eastern's R and R1 4-4-0 classes entered regular service.

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2112 30/6/1901 31/5/1931 Last to be withdrawn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2115 31/8/1901 30/6/1929 First to be withdrawn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All five locomotives were withdrawn between 1929 and 1931 and none were preserved.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

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