Norwegian B-class submarine

The B-class submarines B-2, B-3 and B-4 at quay in Norway
Class overview
Builders: Karljohansvern Naval shipyard
Operators: Royal Norwegian Navy
Preceded by: Norwegian A class submarine
Succeeded by: U class submarine
In service: 1923 1946
In commission: 1 February 1923
Completed:
  • HNoMS B-1, HNoMS B-2
  • HNoMS B-3, HNoMS B-4
  • HNoMS B-5, HNoMS B-6
Active: 6
Lost: 1
General characteristics
Displacement:
  • 365 tons surfaced
  • 545 tons submerged
Length: 51 m
Beam: 5.3 m
Draught: 3.5 m
Propulsion:
  • 2 × Sulzer 900 shp diesel engines
  • 2 × 700 shp electric engines
Speed:
  • 15 knots (27.8 km/h) surfaced
  • 8.9 knots (16.5 km/h) dived
Range:
  • 2,900 nautical miles (5,370.8 km) at 9 knots (16.5 km/h) surfaced
  • 150 nautical miles (277.8 km) submerged at 3 knots (5.5 km/h)
Complement: 23 (? officers and ? ratings)
Armament:
  • Four 45 cm (17.7 inch) torpedo tubes
  • 1 × 76 mm gun

The B-class submarines were a class of six vessels of the US L class built on licence at Karljohansvern naval shipyard in Horten, Norway from 1922 to 1929 and deployed by the Royal Norwegian Navy.

Boats

References

  1. Kindell, Don. "Naval Events, June 1940, Part 1 of 4 Saturday 1st – Friday 7th". Naval-History.net. Retrieved 17 April 2010.

Bibliography

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