Specifications |
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Configuration:
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• Whyte | 2-6-6-0 (Denver) |
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• UIC | (1'C)Cnv4 |
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Driver | 3rd & 6th coupled axles |
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Gauge | 3 ft 6 in (1,067 mm) Cape gauge |
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Leading dia. | 28+1⁄2 in (724 mm) |
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Coupled dia. | 45+1⁄2 in (1,156 mm) |
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Tender wheels | 30 in (762 mm) |
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Wheelbase | 60 ft 2+3⁄4 in (18,358 mm) |
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• Engine | 33 ft 2 in (10,109 mm) |
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• Coupled | 8 ft 4 in (2,540 mm) per unit |
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• Tender | 17 ft 10 in (5,436 mm) |
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• Tender bogie | 5 ft 10 in (1,778 mm) |
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Length:
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• Over couplers | 68 ft 2+3⁄8 in (20,787 mm) |
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Height | 12 ft 5+1⁄8 in (3,788 mm) |
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Frame type | Bar |
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Axle load | 13 LT 18 cwt (14,120 kg) |
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• Leading | 6 LT 17 cwt (6,960 kg) |
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• 1st coupled | 12 LT 14 cwt (12,900 kg) |
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• 2nd coupled | 13 LT 18 cwt (14,120 kg) |
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• 3rd coupled | 13 LT 6 cwt 2 qtr (13,540 kg) |
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• 4th coupled | 13 LT 2 cwt (13,310 kg) |
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• 5th coupled | 12 LT 18 cwt (13,110 kg) |
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• 6th coupled | 13 LT 16 cwt (14,020 kg) |
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• Tender bogie | Bogie 1: 20 LT 7 cwt (20,680 kg) Bogie 2: 22 LT 10 cwt (22,860 kg) |
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Adhesive weight | 79 LT 14 cwt 2 qtr (81,000 kg) |
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Loco weight | 86 LT 11 cwt 2 qtr (87,960 kg) |
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Tender weight | 42 LT 17 cwt (43,540 kg) |
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Total weight | 129 LT 8 cwt 2 qtr (131,500 kg) |
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Tender type | 2-axle bogies |
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Fuel type | Coal |
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Fuel capacity | 8 LT 5 cwt (8.4 t) |
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Water cap. | 4,000 imp gal (18,000 L) |
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Firebox: | |
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• Type | Round-top & combustion chamber |
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• Grate area | 40 sq ft (3.7 m2) |
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Boiler:
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• Pitch | 7 ft 4 in (2,235 mm) |
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• Diameter | 5 ft 4 in (1,626 mm) |
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• Tube plates | 17 ft 10+1⁄2 in (5,448 mm) |
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• Small tubes | 230: 2+1⁄4 in (57 mm) |
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Boiler pressure | 200 psi (1,379 kPa) |
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Safety valve | Ramsbottom |
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Heating surface: | |
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• Firebox | 125 sq ft (11.6 m2) |
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• Tubes | 2,422 sq ft (225.0 m2) |
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• Total surface | 2,574 sq ft (239.1 m2) |
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Cylinders | Four |
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High-pressure cylinder | 17+1⁄2 in (444 mm) bore 26 in (660 mm) stroke |
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Low-pressure cylinder | 28 in (711 mm) bore 26 in (660 mm) stroke |
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Valve gear | Walschaerts |
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Valve type | HP: Piston LP: Richardson balanced slide |
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Valve travel | HP: 5 in (127 mm) LP: 5+1⁄2 in (140 mm) |
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Valve lap | HP: 1 in (25 mm) LP: 7⁄8 in (22 mm) |
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Valve lead | HP & LP: 3⁄16 in (5 mm) |
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Couplers | Johnston link-and-pin |
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