The NS 7100 was a series of tank engines of the Dutch Railways (NS) and its predecessors Maatschappij tot Exploitatie van Staatsspoorwegen (SS), Hollandsche IJzeren Spoorweg-Maatschappij (HSM) and Noord-Friesche Locaalspoorweg-Maatschappij (NFLS).
Quick Facts Type and origin, Power type ...
NS 7100 |
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N.F.L.S No. 1 in 1900. |
Type and origin |
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Power type | Steam |
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Builder | Hohenzollern |
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Build date | Series 1: 1901-1902 Series 2: 1907-1908 |
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Total produced | 25 |
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Specifications |
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Configuration:
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• Whyte | 2-4-2 |
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• UIC | 1'B1' |
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Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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Leading dia. | Series 1: 1,000 mm (3 ft 3 in) Series 2: 1,100 mm (3 ft 7 in) |
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Driver dia. | Series 1: 1,520 mm (5 ft 0 in) Series 2: 1,540 mm (5 ft 1 in) |
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Length | Series 1: 10,220 mm (33 ft 6 in) Series 2: 10,473 mm (34 ft 4.3 in) |
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Height | 4,100 mm (13 ft 5 in) |
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Loco weight | Series 1: 43.2 t (47.6 short tons; 42.5 long tons) Series 2: 49 t (54 short tons; 48 long tons) |
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Fuel type | Coal |
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Fuel capacity | 2 t (2.2 short tons; 2.0 long tons) |
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Water cap. | Series 1: 4.5 m3 (990 imp gal) Series 2: 6 m3 (1,300 imp gal) |
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Firebox: | |
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• Grate area | 1.42 m2 (15.3 sq ft) |
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Boiler pressure | Series 1: 12.4 kg/cm2 (176 psi) Series 2: 12 kg/cm2 (170 psi) |
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Cylinders | 2 |
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Cylinder size | 380 mm × 560 mm (15 in × 22 in) |
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Valve gear | Stephenson |
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Performance figures |
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Maximum speed | Series 1: 55 km/h (34 mph) later 80 km/h (50 mph) Series 2: 60 km/h (37 mph) later 80 km/h (50 mph) |
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Tractive effort | series 1: 4,620 kgf (10,200 lbf) series 2: 4,410 kgf (9,700 lbf) |
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Career |
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Operators | NS |
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Numbers | series 1: NFLS: 1-10, HSM: 1051-1060, NS: 7101-7110 series 2: SS: 531-545, NS: 7111-7125 |
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Withdrawn | series 1: 1925-1949 series 2: 1947-1948 |
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Disposition | All scrapped |
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