HSwMS Sjölejonet (1936)
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| History | |
|---|---|
 Sweden | |
| Name | Sjölejonet |
| Builder | Kockums MV A/B, Malmö |
| Laid down | 1935 |
| Launched | 25 July 1936 |
| Commissioned | 21 August 1938 |
| Fate | Stricken 15 May 1959 |
| General characteristics as built | |
| Class and type | Sjölejonet-class submarine |
| Displacement | |
| Length | 64.2 m (210 ft 8 in) |
| Beam | 6.4 m (21 ft 0 in) |
| Draught | 3.4 m (11 ft 2 in) |
| Propulsion |
|
| Speed |
|
| Complement | 38 |
| Armament |
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HSwMS Sjölejonet was the lead ship of a class of nine naval submarines in the service of the Swedish Navy from just before World War II into the early Cold War. The submarines were ordered in response to the rising German threat to the south in the interwar period. Sjölejonet remained in service until 1959 and was sold for scrap in 1962.
Background and description
[edit]After 1930 the rise of the German threat to the south produced more investment in Sweden's military. The Swedish Navy was given more funds and new submarine designs were ordered.[1] Sjölejonet was the lead ship of her class of submariness. The vessel measured 64.2 metres (210 ft 8 in) long with a beam of 6.4 m (21 ft 0 in) and a draught of 3.4 m (11 ft 2 in). Sjölejonet had a standard displacement of 590 tonnes (580 long tons) and 770 t (760 long tons) submerged. The vessel was propelled by two propellers powered by two MAN diesel engines when surfaced creating 1,600 kW (2,100 bhp) and two electric motors when submerged rated at 750 kW (1,000 hp). This gave the submarine a maximum speed of 16.2 knots (30.0 km/h; 18.6 mph) surfaced and 10 knots (19 km/h; 12 mph) submerged. The submarine had a crew of 38. Sjölejonet was armed with six 533 mm (21 in) torpedo tubes, three of which were situated in the bow, one in the stern and the remaining two in a single traversing deck mounting. For anti-aircraft defence, the submarines had two 40 mm (1.6 in) guns in disappearing mounts.[2]
In the 1950s, Sjölejonet underwent a major refit where the guns and deck torpedo tubes were removed and the conning tower was streamlined.[2] The submarine's displacements remained the same, now 660 tonnes (650 long tons) surfaced and the diesels capable of 2,200 kW (3,000 bhp) and electric motors 1,500 kW (2,000 hp), but only a maximum speed of 15 knots (28 km/h; 17 mph) surfaced. The number of crew was reduced to 32.[3][a]
Construction and career
[edit]Constructed by Kockums MV A/Bat their shipyard in Malmö, Sweden, Sjölejonet's keel was laid down in 1935. The submarine was launched on 25 July 1936 and was commissioned on 21 August 1938. The submarine remained in service until stricken on 15 May 1959.[2] The vessel was sold for scrap in 1962.[4]
Notes
[edit]Citations
[edit]- ^ Westerlund 1980, p. 368.
- ^ a b c Westerlund 1980, p. 374.
- ^ a b Blackman 1953, p. 347.
- ^ Westerlund & Chumbley 1995, p. 443.
References
[edit]- Blackman, Raymond V. B., ed. (1953). Jane's Fighting Ships 1953–54. London: Sampson, Low and Marston. OCLC 913556389.
- Westerlund, Karl-Erik (1980). "Sweden". In Chesneau, Roger (ed.). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. pp. 368–377. ISBN 0-85177-146-7.
- Westerlund, Karl-Erik & Chumbley, Stephen C. (1995). "Sweden". In Gardiner, Robert; Chumbley, Stephen & Budzbon, Przemysław (eds.). Conway's All the World's Fighting Ships 1947–1995. Annapolis, Maryland: Naval Institute Press. pp. 443–453. ISBN 1-55750-132-7.