The GNR Class J9 was a class of two-cylinder steam locomotives of the 0-6-0 wheel arrangement, built in 1896 for the Great Northern Railway.
| This article relies largely or entirely on a single source. (December 2016) |
Quick Facts GNR Class J9 LNER Class J7, Type and origin ...
GNR Class J9 LNER Class J7 |
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Type and origin |
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Power type | Steam |
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Designer | Patrick Stirling |
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Builder | Doncaster Works |
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Serial number | 692–791 |
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Build date | 1896 |
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Total produced | 10 (original production) |
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Rebuild date | 1924-1926 |
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Number rebuilt | 5 |
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Specifications |
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Configuration:
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• Whyte | 0-6-0 |
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• UIC | C n2 |
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Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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Driver dia. | 4 ft 8 in (1.422 m) |
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Wheelbase | 15 ft 6 in (4.7 m) |
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Axle load | 15.5 long tons (15.7 t) |
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Loco weight | 38.1 long tons (38.7 t) |
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Tender weight | 34.9 long tons (35.5 t) |
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Total weight | 73.0 long tons (74.2 t) |
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Fuel type | Coal |
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Firebox: | |
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• Grate area | 16.25 sq ft (1.51 m2) |
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Boiler | 4 ft 5 in (1.3 m) (original) 4 ft 8 in (1.4 m) (LNER rebuilds) |
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Boiler pressure | 170 psi (1.17 MPa) |
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Heating surface: | |
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• Firebox | 103 sq ft (9.6 m2) |
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• Tubes | 1,016 sq ft (94.4 m2) |
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• Total surface | 1,119 sq ft (104.0 m2) |
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Cylinders | Two, inside |
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Cylinder size | 17+1⁄2 in × 26 in (444 mm × 660 mm) |
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Valve gear | Stephenson valve gear |
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Valve type | Slide |
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Career |
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Operators | |
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Numbers | - GNR: 1021–1030
- → LNER: 4021–4030
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Withdrawn | 1927–1936 |
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Disposition | All scrapped |
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