Neptun-class submarine

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;

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: HSwMS Neptun, HSwMS Najad and HSwMS Nacken. The class was decommissioned in 1966.^[1]^[2]

Ships

Name	Marking	Laid Down^[3]	Launched^[3]	Commissioned^[3]	Fate^[4]
Näcken	Nä	November 1941	26 September 1942	March 1943	Stricken 1 April 1966. Sold for scrap November 1970
Najad	Nj	February 1942	26 September 1942	May 1943	Stricken 1 April 1966. Sold for scrap November 1970
Neptun	Np	March 1942	17 November 1942	June 1943	Stricken 1 April 1966. Sold for scrap November 1970

Citations

^ "Submarines, Svenska ubåtar (1883-1998), Jan-Erik Thoft". Archived from the original on 2011-10-07. Retrieved 2009-12-07.
^ "Kockums - 404" (PDF). Archived from the original (PDF) on 2012-02-20. Retrieved 2009-06-21.
^ ^a ^b ^c Blackman 1970, p. 274.
^ Westerlund 1985, p. 374.

References

Blackman, Raymond V.B. (1960). Jane's Fighting Ships 1960–61. London: Sampson Low, Marston & Co., Ltd.
Westerlund, Karl-Eric (1980). "Sweden". In Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. New York: Mayflower Books. pp. 368–377. ISBN 0-8317-0303-2.

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[1] "Submarines, Svenska ubåtar (1883-1998), Jan-Erik Thoft". Archived from the original on 2011-10-07. Retrieved 2009-12-07.

[2] "Kockums - 404" (PDF). Archived from the original (PDF) on 2012-02-20. Retrieved 2009-06-21.

[jfs60_p274-3] Blackman 1970, p. 274.

[conways22_p374-4] Westerlund 1985, p. 374.

[1]

[2]

[3]

[4]

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