NSB Class XXI

NSB Class XXI
NSB locomotive class XXI number 1 photographed at Dübs & Co. Locomotive Works before delivery to the Setesdal Line.
Photograph by Dübs & Co., 1894.
Type and origin
Power typeSteam
BuilderDübs & Co. (2)
Thunes Mekaniske Værksted (1),
Hamar Jernstøberi (1)
Serial numberDübs 3172–3173,
Thune 4,
Hamar 77
Build date1894 (2), 1901 (1) 1912 (1)
Total produced4
Specifications
Configuration:
​
 • Whyte2-6-2T
 • UIC1′C1′t n2
Gauge1,067 mm (3 ft 6 in)
Driver dia.914 mm (36.0 in)
Minimum curve100 m (330 ft)
Length8,300 mm (27.2 ft)
Adhesive weight14.7 t
Loco weight18.7 t
Fuel typeCoal
Fuel capacity800 kg (1,800 lb)
Water cap.2.1 t
Firebox:​
 • Grate area0.7 m2 (7.5 sq ft)
Boiler pressure1.00 MPa (145 psi)
Heating surface37.87 m2 (407.6 sq ft)
CylindersTwo, outside
Cylinder size279.4 mm × 457.2 mm (11 in × 18 in)
or 292.1 mm × 457.2 mm (11.5 in × 18 in)
Loco brakeHand brake, Carpenter brake from 1900
Performance figures
Maximum speed40 km/h (25 mph)
Career
OperatorsNorwegian State Railways
Numbers1, 2, 5, 7
LocaleSetesdal Line

NSB Class XXI is a steam locomotive class designed by the Norwegian State Railways exclusively for use on the Setesdal Line.[1]

References

  1. ^ Cranfield, John (2000). The Railways of Norway: Their History and Development. J. Cranfield. ISBN 978-0-904071-04-7.
  • Entry at Norwegian Railway Club
Heritage locomotive on the Setesdal Line
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