| LNER Thompson Class Q1 | |
|---|---|
| Power type | Steam |
| Designer | Thompson rebuild |
| Build date | 1942-1945 |
| Total produced | 13 |
| Configuration | 0-8-0T |
| Gauge | 4 ft 8 1⁄2 in (1,435 mm) |
| Driver diameter | 4 ft 8 in (1.42 m) |
| Locomotive weight | Q1/1: 69.9 long tons (71.0 t) Q1/2: 73.65 long tons (74.83 t) |
| Fuel type | coal |
| Fuel capacity | Q1/1: 4.5 long tons (4.6 t) Q1/2: 4 long tons (4.1 t) |
| Water capacity | Q1/1: 1,500 imp gal (6,800 l; 1,800 US gal) Q1/2: 2,000 imp gal (9,100 l; 2,400 US gal) |
| Boiler pressure | 180 psi (1.2 MPa) |
| Cylinders | two outside |
| Cylinder size | 19 × 26 in (480 × 660 mm) |
| Valve gear | Stephenson |
| Tractive effort | 25,645 lbf (114.07 kN) |
The London and North Eastern Railway (LNER) Thompson Class Q1 was a class of 0-8-0T steam locomotives. They were rebuilds of the GCR Class 8A (LNER Class Q4) 0-8-0s. Thirteen were rebuilt between 1942 and 1945. All passed to British Railways in 1948 and they were numbered 69925-69937. The sources for the information in the infobox (right) are.[1][2]
Contents |
The locomotives had outside cylinders with inside valves and inside Stephenson valve gear. There were two variants:
The extra 500 gallons of water in the Q1/2 was carried in the rear tank, under the coal bunker, resulting in a smaller coal capacity.
Withdrawn from 1954-9. None were preserved.
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