LNER Class J50
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_with_freight_train.jpg/300px-68949_(J50)_with_freight_train.jpg) J50/3 68949 with a freight train. |
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| Power type | Steam |
|---|---|
| Designer | Nigel Gresley |
| Build date | 1922–1937 |
| Total production | 128 |
| Configuration | 0-6-0T |
| UIC classification | C |
| Gauge | 4 ft 8½ in (1,435 mm) |
| Driver size | 56 in (1.422 m) |
| Locomotive weight | J50/1: 56.3 long tons (57.2 t) J50/2: 57 long tons (57.9 t) J50/3 & J0/4: 58.15 long tons (59.1 t) |
| Fuel type | Coal |
| Boiler pressure | 175 psi (1.21 MPa) |
| Cylinders | Two, inside |
| Cylinder size | 18½×26 in (470×660 mm) |
| Tractive effort | 23,635 lbf (105.13 kN) |
| Career | London and North Eastern Railway British Railways |
| Class | LNER: J50 BR: 4F |
| Number in class | J50/1: 10 J50/2: 40 J50/3: 36 J50/4: 13 |
| Disposition | All scrapped |
The London and North Eastern Railway Class J50 was a class of 0-6-0T steam locomotive. They had long side tanks that came to the front of the boiler, which sloped forwards to improve visibility and had a recess cut in to aid maintenance. No LNER J50s survive today.
They were composed of four subclasses:
- J50/2 were introduced in 1922, being rebuilt from the smaller GNR J51s built 1915–1922.
- J50/3 were introduced in 1926, being an LNER development.
- J50/1 were introduced in 1929, being rebuilt from the smaller GNR J51s built 1913–1914.
- J50.4 were introduced in 1937, being a development of the J30/3 with an enlarged coal bunker
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