The Queensland Railways BB18¼ class locomotive was a class of 4-6-2 steam locomotives operated by the Queensland Railways.
Quick Facts Type and origin, Power type ...
Queensland Railways BB18¼ class |
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Specifications |
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Configuration:
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• Whyte | 4-6-2 |
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Gauge | 1,067 mm (3 ft 6 in) |
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Driver dia. | 4 ft 3 in (1,295 mm) |
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Length | 60 ft 2 in (18.34 m) |
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Height | 12 ft 6 in (3.81 m) |
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Axle load | 12.1 long tons (13.6 short tons; 12.3 t) |
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Loco weight | 58.0 long tons (65.0 short tons; 58.9 t) |
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Tender weight | 43.2 long tons (48.4 short tons; 43.9 t) |
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Total weight | 101.2 long tons (113.3 short tons; 102.8 t) |
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Fuel type | Coal |
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Fuel capacity | 10.3 long tons (11.5 short tons; 10.5 t) |
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Water cap. | 3,500 imp gal (16,000 L; 4,200 US gal) |
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Firebox: | |
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• Grate area | 25 sq ft (2.3 m2) |
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Boiler pressure | 170 lbf/in2 (1,172 kPa) |
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Heating surface | 1,858 sq ft (172.6 m2) |
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Cylinder size | 18.25 in × 24 in (464 mm × 610 mm) |
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Valve gear | Walschaerts |
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Career |
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Operators | Queensland Railways |
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Numbers | 1011-1045, 1070-1089 |
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Preserved | 1037, 1072, 1077, 1079, 1086, 1089 |
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Disposition | 6 preserved, 49 scrapped |
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