| NER Class S LNER Class B13 |
|
|---|---|
| Power type | Steam |
| Designer | Wilson Worsdell |
| Build date | 1899 |
| Total produced | 30 |
| Rebuild date | 1913-1925 |
| Configuration | 4-6-0 |
| Leading wheel diameter |
3 ft 7 1⁄4 in (1.099 m) |
| Driver diameter | 6 ft 1 1⁄4 in (1.861 m) |
| Wheelbase | 26 ft ½ 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 | 19.7 long tons (20.0 t) |
| Locomotive weight | 64.3 long tons (65.3 t) |
| Tender weight | 43.5 long tons (44.2 t) |
| Locomotive & tender combined weight |
107.8 long tons (109.5 t) |
| Boiler | 4 ft 9 in (1.45 m) |
| Boiler pressure | 160 psi (1.1 MPa) |
| Firegrate area | 23 sq ft (2.1 m2) |
| Heating surface: Tubes |
884 sq ft (82.1 m2) |
| Heating surface: Flues |
379 sq ft (35.2 m2) |
| Heating surface: Firebox |
120 sq ft (11 m2) |
| Heating surface: Total |
1,659 sq ft (154.1 m2) |
| Superheater area | 276 sq ft (25.6 m2) |
| Cylinders | 2 (outside) |
| Cylinder size | 20 × 26 in (510 × 660 mm) |
| Valve gear | Stephenson |
| Tractive effort | 19,309 lbf (85.89 kN) |
| Career | North Eastern Railway, London & North Eastern Railway |
| Retired | 1928-1938 |
| Disposition | all scrapped |
The North Eastern Railway Class S were a 4-6-0 type of steam locomotive designed for express passenger workings. The first example was built in 1899. They were very similar to the NER Class S1, except for the smaller wheels of the Class S. They were designed to reduce double heading on the East Coast Main Line. However they steamed poorly, with a smaller and shallower grate than was used even by other locomotives at the time, and the 4-4-0s of the NER Class R quickly replaced them, with the 4-4-2 layout being preferred for later express passenger designs. The class were re-classified as London and North Eastern Railway Class B13 in 1923. They were withdrawn between 1928 and 1938.
http://www.lner.info/locos/B/b13.shtml
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