| PKP Pm36 |
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Pm36-2 (Beautiful Helena) |
| Type and origin |
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| Power type | Steam |
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| Builder | Fablok |
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| Build date | 1937 |
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| Total produced | 2 |
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|
| Specifications |
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Configuration:
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| • Whyte | 4-6-2 |
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| • UIC | 2′C1′ h2 |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
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| Leading dia. | 950 mm (37.40 in) |
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| Driver dia. | 2,000 mm (78.74 in) |
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| Trailing dia. | 1,150 mm (45.28 in) |
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| Length | 24.843 m (81 ft 6 in) |
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| Axle load | 17.2 tonnes (16.9 long tons; 19.0 short tons) |
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| Adhesive weight | 51.6 tonnes (50.8 long tons; 56.9 short tons) |
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| Loco weight | 94.0 tonnes (92.5 long tons; 103.6 short tons) |
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| Tender weight | 72.9 tonnes (71.7 long tons; 80.4 short tons) |
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| Tender cap. | 9.0 tonnes (8.9 long tons; 9.9 short tons) |
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| Firebox: | |
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| • Grate area | 3.85 m2 (41.4 sq ft) |
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| Boiler pressure | 18 kg/cm2 (1.77 MPa; 256 psi) |
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| Heating surface: | |
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| • Firebox | 15.00 m2 (161.5 sq ft) |
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| • Total surface | 198.0 m2 (2,131 sq ft) |
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Superheater:
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| • Heating area | 71.2 m2 (766 sq ft) |
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| Cylinders | Two, outside |
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| Cylinder size | 530 mm × 700 mm (20.87 in × 27.56 in) |
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| Valve gear | Heusinger (Walschaerts) |
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| Loco brake | Westinghouse |
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|
| Performance figures |
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| Maximum speed | Pm36-1: 140 km/h (87 mph)
Pm36-2: 130 km/h (81 mph) |
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| Power output | 1,325 kW (1,780 hp) |
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| Tractive effort | 147.5 kN (33,160 lbf) |
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|
| Career |
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| Operators | PKP » DRB » PKP |
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| Class | PKP: Pm36
DRB: 186 |
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| Numbers | PKP: Pm36-1 to Pm36-2
DRB: 18 601 to 18 602 |
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| Nicknames | Piękna Helena |
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| Locale | Poland |
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| Retired | 1965 |
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| Restored | 1995 |
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| Current owner | PKP |
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PKP class Pm36 is a class of two express passenger (P) 4-6-2 (m) steam locomotives ordered in 1936 for the Polskie Koleje Państwowe (Polish State Railways).
