| GWR 7200 Class |
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7248 in 1962 |
| Type and origin |
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| Power type | Steam |
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| Designer | Charles Collett (Rebuilds) |
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| Order number | - Lot 266 (7200–7219)
- Lot 233 (7220–7239)
- Lot 318 (7240–7253)
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| Rebuilder | GWR Swindon Works |
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| Rebuild date | July 1934–December 1939 |
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| Number rebuilt | 54 |
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| Specifications |
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Configuration:
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| • Whyte | 2-8-2T |
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| • UIC | 1′D1′ h2t |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Leading dia. | 3 ft 2 in (0.965 m) |
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| Driver dia. | 4 ft 7+1⁄2 in (1.410 m) |
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| Trailing dia. | 3 ft 8 in (1.12 m) |
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| Length | 44 ft 10 in (13.67 m) |
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| Width | 8 ft 11 in (2.72 m) |
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| Height | 12 ft 10+1⁄16 in (3.91 m) |
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| Loco weight | 92 long tons 12 cwt (207,400 lb or 94.1 t) (103.7 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | - Standard bunker: 6 long tons (6.1 t; 6.7 short tons)
- Coal Scuttle' bunker: 5 long tons (5.6 short tons; 5.1 t)
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| Water cap. | - Standard bunker: 2,400 imp gal (11,000 L; 2,900 US gal)
- Coal Scuttle' bunker: 2,700 imp gal (12,000 L; 3,200 US gal)
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| Firebox: | |
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| • Grate area | 20.56 sq ft (1.910 m2) |
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| Boiler | GWR Standard No. 4 |
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| Boiler pressure | 200 lbf/in2 (1.38 MPa) |
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| Heating surface: | |
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| • Firebox | 128.72 sq ft (11.958 m2) |
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| • Tubes and flues | 1,349.64 sq ft (125.386 m2) |
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Superheater:
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| • Heating area | 191.79 sq ft (17.818 m2) |
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| Cylinders | Two, outside |
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| Cylinder size | 19 in × 30 in (483 mm × 762 mm) |
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| Valve gear | Stephenson |
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| Valve type | Piston valves |
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| Career |
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| Operators | GWR » BR |
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| Class | 7200 |
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| Power class | GWR: E BR: 8F |
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| Number in class | 30 |
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| Axle load class | Red |
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| Withdrawn | 1962–1965 |
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| Disposition | Three under restoration, remainder scrapped |
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The Great Western Railway (GWR) 7200 Class is a class of 2-8-2T steam locomotive. They were the only 2-8-2Ts built and used by a British railway, and the largest tank engines to run on the Great Western Railway.