| NSB Class XXII |
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 Class XXII in front of a Class XXI |
| Type and origin |
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| Power type | Steam |
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| Builder | Dübs & Co. (2), Thunes Mekaniske Værksted (1) |
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| Serial number | Dübs 3174–3175,
Thune 7 |
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| Build date | 1894 (2), 1902 (1) |
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| Total produced | 3 |
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|
| Specifications |
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Configuration:
| |
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| • Whyte | 2-4-2T |
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| • UIC | 1′B1′ n2t |
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| Gauge | 1,067 mm (3 ft 6 in) |
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| Driver dia. | 1,143 mm (45.0 in) |
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| Minimum curve | 100 m (330 ft) |
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| Length | 7,900 mm (25.9 ft) |
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| Adhesive weight | 12 t |
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| Loco weight | 17.4 tonnes (19.2 short tons; 17.1 long tons) |
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| Fuel type | Coal |
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| Fuel capacity | 800 kg (1,760 lb) |
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| Water cap. | 1,800 L (400 imp gal; 480 US gal) |
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| Firebox: | |
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| • Grate area | 0.70 m2 (7.5 sq ft) |
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| Boiler pressure | 1,000 kPa (145 psi) |
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| Heating surface | 5.83 m2 (62.7 sq ft) |
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| Cylinders | Two, outside |
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| Cylinder size | 279 mm × 457 mm (11.0 in × 18.0 in) |
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| Loco brake | Hand brake; Carpenter brake from 1900 |
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|
| Performance figures |
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| Maximum speed | 55 km/h (34 mph) |
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|
| Career |
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| Operators | Norwegian State Railways |
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| Numbers | 3, 4, 6 |
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| Locale | Setesdal Line |
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