Engineering:Norwegian B-class submarine

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B-2, B-3 & B-4.jpg
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: A class
Succeeded by: U class
In service: 1923 – 1946
In commission: 1 February 1923
Completed: 6
Lost: 1
Retired: 5
General characteristics
Type: Submarine
Displacement:
  • 365 tons surfaced
  • 545 tons submerged
Length: 51 m (167 ft)
Beam: 5.3 m (17 ft)
Draught: 3.5 m (11 ft)
Propulsion:
  • 2 × Sulzer 900 shp (670 kW) diesel engines
  • 2 × 700 shp (520 kW) electric engines
Speed:
  • 15 knots (28 km/h) surfaced
  • 8.9 knots (16.5 km/h) dived
Range:
  • 2,900 nmi (5,400 km) at 9 kn (17 km/h) surfaced
  • 150 nmi (280 km) at 3 kn (5.6 km/h) submerged
Complement: 23
Armament:
  • 4 × 45 cm (18 in) torpedo tubes
  • 1 × 76 mm (3.0 in) 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

B-4 near Tønsberg
  • B-1 (1922–1946) Escaped to the United Kingdom 8 June 1940.
  • B-2 (1923–1940) Captured by the Germans at Fiskå on 11 April.
  • B-3 (1923–1940) Scuttled in Alsvåg, Vesterålen 10 June 1940 by its own crew to prevent capture by the Germans. Ordered to escape to the UK, but prevented by battery explosion.[1]
  • B-4 (1923–1940) Captured by the Germans at Filtvet on 10 April.
  • B-5 (1929–1940) Captured by the Germans at Fiskå on 11 April.
  • B-6 (1929–1940) Surrendered to German troops on 18 May under threat of bombing of the port of Florø.

See also

  • List of ship classes of the Second World War

References

Bibliography

  • Abelsen, Frank (1986) (in no, en). Norwegian naval ships 1939–1945. Oslo: Sem & Stenersen AS. ISBN 82-7046-050-8.