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HSwMS Sjöhästen (Shä)

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HSwMS Sjöhästen (Shä)
HMS_Sj%C3%B6h%C3%A4sten_(Sh%C3%A4)_B33_19.jpg
HSwMS Sjöhästen underway date unknown.
Career (Sweden)
Name: HSwMS Sjöbjörnen
Ordered: 1966
Builder: Karlskrona naval base
Launched: 6 August 1968
Commissioned: 19 May 1969
Decommissioned: 1997
Motto: Mares pegasus
Nickname: Shä
Fate: Sold to Singapore in 1997
Career (Singapore)
Acquired: 28 May 1999
Homeport: Changi Naval Base, Singapore
Fate: Scrapped, used for spare parts
General characteristics
Class & type: Sjöormen-class submarine
Displacement:
  • 1,130 t (1,112 long tons) surfaced
  • 1,210 t (1,191 long tons) submerged
Length: 50.5 m (165 ft 8 in)
Beam: 6.1 m (20 ft 0 in)
Draught: 5.8 m (19 ft 0 in)
Propulsion:
  • 2 × Hedemora Diesel generators
  • 1 × electric motor
  • 1 shaft
Speed: 20 knots (37 km/h; 23 mph)
Complement: 25 officers and enlisted
Armament:

HSwMS Sjöhästen (Shä), Sw. meaning sea horse, was the fifth and last ship of the Swedish submarine class Sjöormen, project name A11.[1]

Development[]

The planning of the class included a number of different AIP-solutions including nuclear propulsion, however the ships where finally completed with for the time extremely large batteries. The ship was a single-hulled submarine, with hull shape influenced by the American experimental submarine USS Albacore. The hull was covered with rubber tiles to reduce the acoustic signature (anechoic tiles), at this time a pioneer technology. The Sjöormen class also pioneered the use of an x-shaped (as opposed to cross-shaped) rudder as a standard (as opposed to experimental) feature.[2][3]

Service in Sweden[]

The submarine served in the Swedish Navy for almost 30 years and was then sold to Singapore in 1997 together with its four sister ships.

Service in Singapore[]

HSwMS Sjöhästen was sold to Singapore on 28 May 1999. She was never commissioned instead used as for spare parts.

Gallery[]

References[]

  1. ↑ "HMS Sjöhästen (Shä)" (in sv). Wikipedia. 2019-09-02. https://sv.wikipedia.org/w/index.php?title=HMS_Sj%C3%B6h%C3%A4sten_(Sh%C3%A4)&oldid=46279340. 
  2. ↑ "CHALLENGER CLASS SUBMARINE". Ministry of Defense Singapore. http://mindef.gov.sg/navy/careers/our-assets/challenger-class-submarine.html. 
  3. ↑ "HMS Sjöhästen (Shä) : definition of HMS Sjöhästen (Shä) and synonyms of HMS Sjöhästen (Shä) (Swedish)". http://dictionary.sensagent.com/HMS%20Sj%C3%B6h%C3%A4sten%20(Sh%C3%A4)/sv-sv/. 
 Swedish Navy
 Republic of Singapore Navy
Challenger class
  • Centurion (ex-Sjöormen)
  • Challenger (ex-Sjöbjörnen)
  • Chieftain (ex-Sjöhunden)
  • Conqueror (ex-Sjölejonet)


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