Näcken-class submarine: Difference between revisions

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Revision as of 12:48, 3 June 2023 editMulsannescorner (talk \| contribs)114 edits Nacken's length has been mis-represented here and now this number is all over the net, unfortunately. All the Swedish sources I've seen state the class' original length as 49.5 m, with the AIP conversion 57.5 m← Previous edit		Revision as of 13:01, 3 June 2023 edit undoMulsannescorner (talk \| contribs)114 editsNo edit summaryNext edit →
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	*{{convert\|1150\|t\|LT\|lk=out}} submerged
	\|Ship length={{convert\|49.5\|m\|ftin\|abbr=on}}		\|Ship length={{convert\|49.5\|m\|ftin\|abbr=on}}
	\|Ship beam={{convert\|5.7\|m\|ftin\|abbr=on}}		\|Ship beam={{convert\|5.7\|m\|ftin\|abbr=on}}

Revision as of 13:01, 3 June 2023

This article relies largely or entirely on a single source. Relevant discussion may be found on the talk page. Please help improve this article by introducing citations to additional sources.
Find sources: "Näcken-class submarine" – news · newspapers · books · scholar · JSTOR (October 2017)

Class overview
HSwMS Neptun
Name	Näcken-class
Builders	Kockums
Operators	Swedish Navy Royal Danish Navy
Preceded by	Sjöormen-class
Succeeded by	Västergötland-class
Planned	3
Completed	3
Scrapped	2
Preserved	1
General characteristics
Type	Submarine
Displacement	1,030 tonnes (1,010 long tons) submerged
Length	49.5 m (162 ft 5 in)
Beam	5.7 m (18 ft 8 in)
Draught	5.5 m (18 ft 1 in)
Propulsion	2 × MTU diesel engines 1 × Jeumont-Schneider electric motor 1 shaft
Speed	20 knots (37 km/h; 23 mph) surfaced 25 knots (46 km/h; 29 mph) submerged
Test depth	150 m (490 ft)
Complement	19 (5 officers)
Sensors and processing systems	FAS
Armament	6 × 533 mm (21 in) torpedo tubes 2 × 400 mm (16 in) torpedo tubes Mines

The Näcken-class submarines, also known as the A14 type, were built for the Swedish Navy in the late 1970s. The boats were authorised in 1972 and the programme was completed in 1980 . All boats were built by Kockums in Karlskrona. The boats had a teardrop hull and diving depth was 150 metres (490 ft). Between 1987 and 1988 Näcken was cut in half and an 8-metre (26 ft) long hull section containing a prototype Air-independent propulsion (AIP) using a closed cycle Stirling engine was installed between the aft battery/propulsion & power control room and the engine/motor room. This technology increased underwater endurance to 14 days and has been adopted in subsequent Swedish submarines.

By the early 2000s the class was decommissioned from the Swedish navy as a result of defence cuts in the year 2000 Defence White Paper. HSwMS Näcken was temporary leased to the Royal Danish Navy but was returned in 2005.

Ships

Ship	Launched	Commissioned	Current status
Näcken	17 April 1978	25 April 1980	leased to the Royal Danish Navy 2001-2005 as Kronborg, scrapped in 2016
Neptun	6 December 1978	5 December 1980	on display at Marinmuseum Karlskrona
Najad	13 August 1979	26 June 1981	Scrapped in 2015

References

Notes

"Kronborg (2001–2004)". Danish Naval History. Retrieved 2013-03-17.
"Systrar från Kalla kriget skrotas". 14 August 2015.

Bibliography

Conway's All the World's Fighting Ships 1947-1995

v t e Saab Kockums
Ships	Blekinge-class submarine Archer-class submarine Bedok-class mine countermeasures vessel Collins-class submarine Gotland-class submarine HSwMS Orion Landsort-class mine countermeasures vessel Näcken-class submarine HSwMS Näcken HSwMS Neptun MT Frans Suell MV Sovetskaya Latviya Södermanland-class submarine Styrsö-class mine countermeasures vessel Unmanned surface vehicle Piraya Västergötland-class submarine Visby-class corvette HSwMS Artemis
Related	Kockums Crane

Saab Kockums

Ships

Kockums Crane

Näcken-class submarines
Näcken Neptun Najad
Preceded by: Sjöormen class Followed by: Västergötland class List of submarines of the Swedish Navy

Näcken-class submarines

Preceded by: Sjöormen class
Followed by: Västergötland class

List of submarines of the Swedish Navy

Categories:

Revision as of 12:48, 3 June 2023 editMulsannescorner (talk \| contribs)114 edits Nacken's length has been mis-represented here and now this number is all over the net, unfortunately. All the Swedish sources I've seen state the class' original length as 49.5 m, with the AIP conversion 57.5 m← Previous edit		Revision as of 13:01, 3 June 2023 edit undoMulsannescorner (talk \| contribs)114 editsNo edit summaryNext edit →
Line 29:		Line 29:
	\|Header caption=		\|Header caption=
	\|Ship type=]		\|Ship type=]
	\|Ship displacement=*{{convert\|~~980~~\|t\|LT\|lk=out}} ~~surfaced~~		\|Ship displacement=*{{convert\|1030\|t\|LT\|lk=out}} submerged
	*{{convert\|1150\|t\|LT\|lk=out}} submerged
	\|Ship length={{convert\|49.5\|m\|ftin\|abbr=on}}		\|Ship length={{convert\|49.5\|m\|ftin\|abbr=on}}
	\|Ship beam={{convert\|5.7\|m\|ftin\|abbr=on}}		\|Ship beam={{convert\|5.7\|m\|ftin\|abbr=on}}