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HSwMS Wasa (1901)

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Wasa
History
Sweden
NameWasa
Ordered12 October 1898
BuilderBergsund Finnboda, Stockholm
CostSEK 2,679,000
Launched29 May 1901
Completed6 December 1902
Out of service15 March 1940
FateSold to be broken up 9 November 1960
General characteristics
Class and typeÄran-class coastal defence ship
Displacement3,840 long tons (3,900 t) (normal)
Length87.5 m (287 ft 1 in) (w.l.)
Beam15.02 m (49 ft 3 in)
Draught5.3 m (17 ft 5 in) (max)
Installed power
Propulsion
Speed17 knots (20 mph; 31 km/h)
Range2,000 nmi (3,700 km; 2,300 mi) at 10 knots (19 km/h; 12 mph)
Complement285
Armament
Armour

HSwMS Wasa was a Äran-class coastal defence ship that served with the Swedish Navy. The vessel served in the front line for substantially less time than the rest of the class. A development of Dristigheten, the Äran class mounted the same 21 cm (8.3 in) main guns, but differed in the layout of the secondary armament. Wasa was launched in 1901 and served as part of the coastal defence fleet, including taking part in neutrality patrols during the First World War. The ship was retired from front-line service in 1924 and withdrawn from active service in 1940, thereafter acting as a decoy and, from 1951, a damage control training ship. Wasa was sold to be broken up in 1960.

Design and development

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Main article: Äran-class coastal defence ship

Between 1880 and 1905 the Swedish Navy launched 12 coastal defence ships to counter the Imperial Russian Navy.[1] The Äran-class coastal defence ship was a development of Dristigheten retaining the same main armament but with the secondary armament mounted in turrets to improve protection and angles of fire. Wasa was the second of the class to be laid down.[2] Originally designated armoured boats (pansarbaater) in Swedish, the vessels were reclassified as armoured ships (pansarskepper) in the 1920s.[3]

Wasa had an overall length of 89.7 m (294 ft 3 in) and measured 87.5 m (287 ft 1 in) at the waterline, a beam of 15.02 m (49 ft 3 in) and a maximum draught of 5.3 m (17 ft 5 in).[4] Normal displacement was 3,840 long tons (3,900 t) although, in 1912, displacement was reported as 3,612 long tons (3,670 t).[5] Eight Yarrow boilers fed steam to two sets of triple-expansion steam engines rated at 5,500 indicated horsepower (4,100 kW) driving two shafts, giving a design speed of 17 knots (31 km/h; 20 mph). Two funnels were fitted. A full load of 300 long tons (300 t) of coal was carried, which gave a design range of 2,000 nautical miles (3,700 km; 2,300 mi) at 10 knots (19 km/h; 12 mph).[6] During sea trials, the ship achieved 16.77 knots (31.06 km/h; 19.30 mph) at 5,100 shaft horsepower (3,800 kW).[7] The ship had a complement of 285 officers and ratings, later expanded to 301.[8][6]

Armament consisted of two single Bofors 21 cm (8.3 in) guns mounted in turrets on the ship's centreline, one fore and the other aft. Each of the guns weighed 10.90 tonnes (10.73 long tons) and could fire a 125 kg (276 lb) shell at a muzzle velocity of 750 m/s (2,500 ft/s). The mounting, designated M1894, used electric training and manual elevation.[9] Secondary armament consisted of six Bofors 15 cm (5.9 in) guns mounted singularly in turrets amidships.[8] These guns, which had an actual calibre of 15.24 cm (6 in) and weighed 7,630 kg (16,820 lb), could fire a 43.4 kg (96 lb) shell at a muzzle velocity of 750 m/s (2,500 ft/s). The M1899 mounting was manually trained and elevated.[10] The ship was also armed with eight single Bofors 5.7 cm (2.2 in) guns distributed around the superstructure and two submerged Elswick torpedo tubes for 45.7 cm (18 in) torpedoes.[6]

Armour included a 50.43 m (165 ft 5 in)-long armoured belt that was 175 mm (6.9 in) thick amidships. It consisted of surface-hardened Krupp armour backed by 100 mm (3.9 in) of teak. The main armament was protected by barbettes were 190 mm (7.5 in) thick and turrets having an armouted face 190 mm (7.5 in) thick and the remainder 140 mm (5.5 in) thick. The secondary armament sat on barbettes protected by 100 mm (3.9 in) nickel-steel armour, the turrets having a face 125 mm (4.9 in) thick, sides 60 mm (2.4 in) thick and a roof 48 mm (1.9 in) thick. The conning tower was protected by 175 mm (6.9 in) armour.[4] Flat to the belt was deck armour that was 51 mm (2 in) thick.[6] Two 90 cm (35 in) searchlights and a 2 m (6 ft 7 in) rangefinder were later fitted.[4]

Construction and career

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Wasa was ordered from Bergsund on 12 October 1898 at a cost of SEK 2,679,000.[2] The vessel was the third to be named Wasa after the House of Vasa, the first being a ship of the line launched in 1628. Laid down at the Finnboda shipyard in Stockholm, Wasa was launched on 29 May 1902 and completed on 6 December.[7] The warship was commissioned into the coastal defence fleet based at Karlskrona.[11]

The ship served during the First World War protecting the nation's trade routes and shipping fleet due to Sweden's neutrality in the war.[12] In 1924, the vessel was withdrawn from front-line service, a noteworthy short life compared to the remainder of the class. On 15 March 1940, Wasa was taken out of service. The ship's armour was removed and the vessel was reconfigured to act as a double to the newer Drottning Victoria to confuse enemy reconnaissance aircraft.[7] Some of the material removed was used in the construction of the cruisers Göta Lejon and Tre Kronor.[13] The ship found a new role as a training vessel and, in 1952, joined the Berga Naval School to train sailors in damage control.[14] On 9 November 1960, Wasa was sold to Marinverkstaderna to be broken up at Karlskrona.[7]

References

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Citations

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  1. ^ Campbell 1979, p. 360.
  2. ^ a b Fleks 1997, p. 14.
  3. ^ Roberts 1985, p. 369.
  4. ^ a b c Fleks 1997, p. 15.
  5. ^ Brassey 1912, p. 236.
  6. ^ a b c d Parkes & Prendergast 1969, p. 379.
  7. ^ a b c d Fleks 1997, p. 16.
  8. ^ a b Campbell 1979, p. 361.
  9. ^ Friedman 2011, p. 304.
  10. ^ Friedman 2011, p. 305.
  11. ^ Westerlund 1992, p. 96.
  12. ^ Agius 2013, p. 68.
  13. ^ Harris 1996, p. 18.
  14. ^ Gard & Becker 1966, p. 134.

Bibliography

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  • Agius, Christine (2013). The Social Construction of Swedish Neutrality: Challenges to Swedish Identity and Sovereignty. Manchester: Manchester University Press. ISBN 978-1-84779-199-3.
  • Brassey, Thomas, ed. (1912). "II List of British and Foreign Ships. Ordnance Tables". The Naval Annual 1912. Portsmouth: J. Griffin & Co.: 177–268. OCLC 1118005447.
  • Campbell, N. J. M. (1979). "Sweden". In Chesneau, Roger & Kolesnik, Eugene M. (eds.). Conway's All the World's Fighting Ships 1860–1905. London: Conway Maritime Press. pp. 360–363. ISBN 978-0-85177-133-5.
  • Fleks, Adam (1997). Od Svea Do Drottning Victoria [From Svea to Drottning Victoria] (in Polish). Tarnowskie Góry: Okręty Wojenne. ISBN 978-8-39022-748-1. OCLC 401825394.
  • Friedman, Norman (2011). Naval Weapons of World War One: Guns, Torpedoes, Mines and ASW Weapons of All Nations; An Illustrated Directory. Barnsley, UK: Seaforth Publishing. ISBN 978-1-84832-100-7.
  • Gard, Bertil; Becker, William A. B (1966). "Scandinavian Coast Defense Ships: Part I – Sweden". Warship International. 3 (2): 130–139. JSTOR 44885673.
  • Harris, Daniel G. (1996). "The Swedish Armoured Coastal Defence Ships". Warship (XX): 9–24.
  • Parkes, Oscar; Prendergast, Maurice (1969). Jane's Fighting Ships 1919. Newton Abbott: David & Charles. OCLC 907574860.
  • Roberts, John (1985). "Sweden". In Gray, Randal (ed.). Conway's All the World's Fighting Ships 1906–1921. London: Conway Maritime Press. pp. 355–363. ISBN 978-0-85177-245-5.
  • Westerlund, Karl-Erik (1992). Svenska Örlogsfartyg 1855–1905 [Swedish Naval Ships 1855–1905] (in Swedish). Karlskrona: Abrahamson. ISBN 978-9-18707-213-0.
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