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HSwMS Sjöhästen (Shä)

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HSwMS Sjöhästen underway date unknown.
History
Sweden
NameHSwMS Sjöbjörnen
Ordered1966
BuilderKarlskrona naval base
Launched6 August 1968
Commissioned19 May 1969
Decommissioned1997
MottoMares pegasus
Nickname(s)Shä
FateSold to Singapore in 1997
Singapore
Acquired28 May 1999
HomeportChangi Naval Base, Singapore
FateScrapped, used for spare parts
General characteristics
Class and typeTemplate:Sclass-
Displacement
  • 1,130 t (1,112 long tons) surfaced
  • 1,210 t (1,191 long tons) submerged
Length50.5 m (165 ft 8 in)
Beam6.1 m (20 ft 0 in)
Draught5.8 m (19 ft 0 in)
Propulsion
  • 2 × Hedemora Diesel generators
  • 1 × electric motor
  • 1 shaft
Speed20 knots (37 km/h; 23 mph)
Complement25 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 Template:Sclass- 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.

  • HSwMS Sjöhästen Gallery
  • HSwMS Sjöhästen being launched on 6 August 1968.
    HSwMS Sjöhästen being launched on 6 August 1968.
  • HSwMS Sjöhästen underway between 1967–1968.
    HSwMS Sjöhästen underway between 1967–1968.
  • HSwMS Sjöhästen underway in 1968.
    HSwMS Sjöhästen underway in 1968.
  • HSwMS Sjöhästen underway in 1968.
    HSwMS Sjöhästen underway in 1968.
  • HSwMS Sjöhästen underway in 1968.
    HSwMS Sjöhästen underway in 1968.
  • HSwMS Sjöhästen underway in 1968.
    HSwMS Sjöhästen underway in 1968.

References

  1. ^ "HMS Sjöhästen (Shä)", Wikipedia (in Swedish), 2019-09-02, retrieved 2020-07-30
  2. ^ "CHALLENGER CLASS SUBMARINE". Ministry of Defense Singapore. Retrieved 29 July 2020.
  3. ^ "HMS Sjöhästen (Shä) : definition of HMS Sjöhästen (Shä) and synonyms of HMS Sjöhästen (Shä) (Swedish)". dictionary.sensagent.com. Retrieved 2020-07-30.


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