Specifications |
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Configuration:
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• Whyte | 2-6-0+0-6-2 (Double Mogul) |
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• UIC | ♠ 1'C+C1'n4 - ♥ 1'C+C1'h4 |
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Driver | 3rd & 4th coupled axles |
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Gauge | 2 ft narrow gauge |
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Leading dia. | 21 in (533 mm) |
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Coupled dia. | 30 in (762 mm) |
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Wheelbase | ♠ 39 ft (11,887 mm) ♥ 39 ft 9 in (12,116 mm) |
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• Engine | 10 ft 3 in (3,124 mm) each |
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• Coupled | 5 ft 9 in (1,753 mm) each |
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Pivot centres | ♠ 22 ft (6,706 mm) ♥ 22 ft 9 in (6,934 mm) |
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Length:
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• Over couplers | ♠ 44 ft 7+1⁄2 in (13,602 mm) ♥ 45 ft 5 in (13,843 mm) |
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Height | 10 ft 4 in (3,150 mm) |
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Frame type | Plate |
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Axle load | ♠ 6 LT 3 cwt 3 qtr (6,287 kg) ♥ 6 LT 11 cwt (6,655 kg) |
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• Leading | ♠ 4 LT 7 cwt 1 qtr (4,433 kg) front 4 LT 5 cwt (4,318 kg) rear ♥ 4 LT 16 cwt (4,877 kg) front 4 LT 15 cwt 3 qtr (4,864 kg) rear |
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• 1st coupled | ♠ 6 LT (6,096 kg) ♥ 6 LT 9 cwt 2 qtr (6,579 kg) |
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• 2nd coupled | ♠ 6 LT 1 cwt 2 qtr (6,172 kg) ♥ 6 LT 8 cwt 2 qtr (6,528 kg) |
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• 3rd coupled | ♠ 5 LT 17 cwt (5,944 kg) ♥ 6 LT 4 cwt 3 qtr (6,338 kg) |
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• 4th coupled | ♠ 6 LT 0 cwt 2 qtr (6,122 kg) ♥ 6 LT 8 cwt 2 qtr (6,528 kg) |
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• 5th coupled | ♠ 6 LT 3 cwt 3 qtr (6,287 kg) ♥ 6 LT 11 cwt (6,655 kg) |
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• 6th coupled | ♠ 6 LT (6,096 kg) ♥ 6 LT 10 cwt 3 qtr (6,642 kg) |
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Adhesive weight | ♠ 36 LT 2 cwt 3 qtr (36,720 kg) ♥ 39 LT 3 cwt (39,780 kg) |
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Loco weight | ♠ 44 LT 15 cwt (45,470 kg) ♥ 48 LT 4 cwt 3 qtr (49,010 kg) |
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Fuel type | Coal |
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Fuel capacity | 2 LT 10 cwt (2.5 t) |
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Water cap. | 970 imp gal (4,410 L) front 380 imp gal (1,730 L) rear |
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Firebox: | |
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• Type | Belpaire |
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• Grate area | ♠ 19.3 sq ft (1.79 m2) ♥ 19.5 sq ft (1.81 m2) |
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Boiler:
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• Pitch | 5 ft 3 in (1,600 mm) |
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• Diameter | 4 ft 2 in (1,270 mm) |
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• Tube plates | 9 ft 3+3⁄8 in (2,829 mm) |
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• Small tubes | ♠ 211: 1+3⁄4 in (44 mm) ♥ 115: 1+3⁄4 in (44 mm) |
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• Large tubes | ♥ 13: 5+1⁄2 in (140 mm) |
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Boiler pressure | 180 psi (1,241 kPa) |
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Safety valve | Ramsbottom |
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Heating surface: | |
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• Firebox | ♠ 81 sq ft (7.5 m2) ♥ 80.6 sq ft (7.49 m2) |
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• Tubes | ♠ 899 sq ft (83.5 m2) ♥ 660.9 sq ft (61.40 m2) |
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• Total surface | ♠ 980 sq ft (91 m2) ♥ 741.5 sq ft (68.89 m2) |
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Superheater:
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• Heating area | ♥ 141.5 sq ft (13.15 m2) |
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Cylinders | Four |
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Cylinder size | 10+1⁄2 in (267 mm) bore 16 in (406 mm) stroke |
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Valve gear | Walschaerts |
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Valve type | ♠ Slide - ♥ Piston |
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Couplers | Bell-and-hook (Cape) Johnston link-and-pin (Natal) |
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