The German steam locomotive of Palatine Class Pts 2/2 of the Palatinate Railway was a one-off and was built by the firm of Maffei in Munich. Notable features were the high boiler and the locomotive frame used as a water tank. Coal was carried in two bunkers on the left and right of the driver's cab.
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Quick Facts Palatine Pts 2/2 DRG Class 99.01, Type and origin ...
Palatine Pts 2/2 DRG Class 99.01 |
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Type and origin |
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Power type | Steam |
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Builder | Maffei |
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Serial number | 3637 |
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Build date | 1916 |
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Total produced | 1 |
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Specifications |
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Configuration:
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• Whyte | 0-4-0T |
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• UIC | B h2t |
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• German | K 22.7 |
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Gauge | 1,000 mm (3 ft 3+3⁄8 in) |
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Driver dia. | 800 mm (2 ft 7+1⁄2 in) |
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Wheelbase: | |
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• Engine | 1,600 mm (5 ft 3 in) |
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Length:
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• Over buffers | 6,003 mm (19 ft 8+1⁄4 in) |
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Axle load | 7.9 t (7.8 long tons; 8.7 short tons) |
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Adhesive weight | 15.8 t (15.6 long tons; 17.4 short tons) |
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Service weight | 15.8 t (15.6 long tons; 17.4 short tons) |
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Fuel type | Coal |
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Fuel capacity | 600 kg (1,300 lb) |
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Water cap. | 1.7 m3 (370 imp gal; 450 US gal) |
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Firebox: | |
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• Grate area | 0.53 m2 (5.7 sq ft) |
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Boiler:
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• Pitch | 1,710 mm (5 ft 7+3⁄8 in) |
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• Tube plates | 2,200 mm (7 ft 2+7⁄12 in) |
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• Small tubes | 45 mm (1+3⁄4 in), 45 off |
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• Large tubes | 89 mm (3+1⁄2 in), 12 off |
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Boiler pressure | 12 bar (12.2 kg/cm2; 174 lbf/in2) |
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Heating surface: | |
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• Firebox | 2.69 m2 (29.0 sq ft) |
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• Tubes and flues | 19.86 m2 (213.8 sq ft) |
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• Total surface | 22.55 m2 (242.7 sq ft) |
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Superheater:
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• Heating area | 6.00 m2 (64.6 sq ft) |
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Cylinders | 2 |
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Cylinder size | 290 mm × 400 mm (11+7⁄16 in × 15+3⁄4 in) |
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Valve gear | Walschaerts (Heusinger) |
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Performance figures |
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Maximum speed | 30 km/h (19 mph) |
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Close
After the formation of the Deutsche Reichsbahn the engine was taken over and given the number '99 011'. It was retired by 1931.