Neptun-class submarine

The Neptun-class submarine was a Swedish submarine class built by Kockums. The first submarine was launched in 1942 and a total of three submarines were built: HMSwS Neptun, HMSwS Najad and HMSwS Nacken. The class was decommissioned in 1966.[1][2]

Class overview
Name: Neptun-class
Builders: Kockums
Operators:  Swedish Navy
Preceded by: Sjölejonet class
Succeeded by: Hajen class
Built: 1942-43
Planned: 3
Completed: 3
Retired: 3
General characteristics
Type: Submarine
Displacement:
  • 550 tonnes (surfaced)
  • 730 tons (submerged)
Length: 62.6 m (205 ft 5 in)
Beam: 6.4 m (21 ft 0 in)
Draught: 3.4 m (11 ft 2 in)
Propulsion:
  • 2 shaft diesel electric
  • 2 MAN diesels 1,800 hp (1,300 kW)
  • 2 electric motors 1,000 hp (750 kW)
Speed:
  • 15 kn (28 km/h; 17 mph) surfaced
  • 10 kn (19 km/h; 12 mph) submerged
Complement: 35
Armament:
  • 5 x 533 mm (21 in) torpedo tubes
  • 1 x 40 mm (1.6 in) AA gun
  • 1 x 20 mm (0.79 in) AA gun
  • 20 mines

Ships
Name Marking Laid Down[3] Launched[3] Commissioned[3] Fate[4]
NäckenNäNovember 194126 September 1942March 1943Stricken 1 April 1966. Sold for scrap November 1970
NajadNjFebruary 194226 September 1942May 1943Stricken 1 April 1966. Sold for scrap November 1970
NeptunNpMarch 194217 November 1942June 1943Stricken 1 April 1966. Sold for scrap November 1970

References
  1. "Archived copy". Archived from the original on 2011-10-07. Retrieved 2009-12-07.CS1 maint: archived copy as title (link)
  3. Blackman 1970, p. 274.
  4. Gardiner and Gray 1985, p. 374.
  • Blackman, Raymond V.B. (1960). Jane's Fighting Ships 1960–61. London: Sampson Low, Marston & Co., Ltd.
  • Gardiner, Robert; Chesneau, Roger, eds. (1980). Conway's All The World's Fighting Ships 1922–1946. Conway Maritime Press. ISBN 0-85177-146-7.


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