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HSwMS Gävle (J9)

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Gävle as a frigate
History
Sweden
NameGävle
NamesakeGävle
BuilderGötaverken, Gothenburg
Launched25 September 1940
Commissioned3 June 1941
Decommissioned6 December 1968
FateUsed for testing the Oskarshamn Nuclear Power Plant before being broken up in 1972
General characteristics
Class and typeGöteborg-class destroyer
Displacement
  • 1,200 t (1,181 long tons), full load
  • 1,040 t (1,020 long tons), standard displacement
Length310 ft 4 in (94.6 m) o.a.
Beam29 ft 6 in (9.0 m)
Draught12 ft 6 in (3.8 m)
Propulsion3 oil fired boilers, 2 de Laval steam turbines, 32,000 shp (24,000 kW), 2 screws
Speed39 knots (72 km/h; 45 mph)
Range1,200 nmi (2,200 km; 1,400 mi) at 20 kn (37 km/h; 23 mph)
Complement135
Armament
  • 3 × 120 mm (4.7 in) Bofors M/24C DP guns (3×1)
  • 6 × 25 mm (0.98 in) Bofors M/40 (3×2)
  • 6 × 533 mm (21 in) torpedo tubes (2×3)
  • 2 × Depth charge throwers

HSwMS Gävle was a destroyer of the Royal Swedish Navy that served during the Second World War and in the Cold War. The fifth member of the Göteborg or city class, which was designed as an improvement on the previous Ehrensköld class, Gävle was launched on 25 September 1940. The destroyer served in the Coastal Fleet during the war, protecting Swedish neutrality and assisting in the 1944 evacuation of Estonia. After the conflict had ceased, the ship was upgraded with enhanced fire control and an armament improved with the introduction of the Bofors 40 mm anti-aircraft gun between 1950 and 1951. Ten years later, in 1961, Gävle was rearmed as a fast anti-submarine frigate and the torpedo tubes were replaced by Squid mortars. After being decommissioned on 6 December 1968, the vessel helped in the testing of the equipment for the Oskarshamn Nuclear Power Plant, finally being broken up in 1972.

Design and development

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Main article: Göteborg-class destroyer

The Göteborg or city class were a development of the Ehrensköld-class destroyer with a higher speed achieved by introducing superheating and lightening the structure through using welding rather than rivets. After the success of the first two members of the class, Göteborg and Stockholm, both laid down in 1933, and two successors, the Swedish Riksdag authorised an additional two ships of the same design at the start of the Second World War.[1] Gävle was the first of this final batch to be ordered.[2]

Displacing 1,040 t (1,020 long tons) standard and 1,200 tonnes (1,200 long tons) full load, Gävle had an overall length of 94.6 m (310 ft 4 in) and 93 m (305 ft 1 in) between perpendiculars. Beam was 9 m (29 ft 6 in) and maximum draught 3.8 m (12 ft 6 in).[3] Power was provided by three Penhoët oil-fired boilers feeding two de Laval geared steam turbines driving two shafts. The ship had two funnels. New materials allowed the boilers to be superheated to 125 °C (257 °F), which raised the rated power to 32,000 shaft horsepower (24,000 kW) to give a design speed of 39 knots (72 km/h; 45 mph). In trials, the destroyer exceeded 40 knots (74 km/h; 46 mph).[4] A total of 150 tonnes (150 long tons) of fuel oil was carried to give a range of 1,200 nautical miles (2,200 km; 1,400 mi) at 20 knots (37 km/h; 23 mph).[2]

The main armament consisted of three 12 cm (4.7 in) K/45 M24C dual-purpose guns produced by Bofors. These were placed in separate mounts on the ship's centreline, with one on the forecastle, one aft and one between the funnels.[5] The guns were of a loose-barrel type, weighed 3 t (3.0 long tons) and fired a 24 kg (53 lb) projectile at 800 m/s (2,600 ft/s)}.[6] Air defence consisted six 25 mm (0.98 in) M/40 autocannons in three twin mounts, also provided by Bofors.Two triple rotating torpedo tube mounts for 53 cm (21 in) torpedoes were aft of the superstructure and two depth charge throwers were carried further towards the stern. Approximately forty mines could also be carried for minelaying.[5] The ship had a complement of 135 officers and ratings.[3]

Construction and career

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Gävle was laid down by Götaverken in Gothenburg, launched on 25 September 1940 and commissioned on 3 June the following year.[7] The ship was named for the city and allocated the pennant number J9.[8] On 29 June, the destroyer joined the Coastal Fleet, serving on patrols to protect Swedish neutrality and as an escort for convoys travelling through Swedish waters.[9][10] During 1944, the destroyer was involved in the evacuation of Estonia before the advancing Soviet Army. Gävle rescued 196 refugees during September and October.[11]

Between 1950 and 1951, the destroyer was given a substantial modernisation. The hull was rebuilt with a beam extended by 70 cm (28 in) and displacement increased to 1,140 t (1,120 long tons).[3] The bridge was enlarged and better fire control was fitted, along with a tripod with radar to replace the pole mast.[12] The armament was updated. The central gun was moved aft to a superfiring position, which greatly enhanced the operational capability as the funnels had restricted fire. The anti-aircraft guns were replaced with four single Bofors 40 mm (1.6 in) guns.[7]

Gävle was rerated a fast frigate on 1 January 1961 along with the rest of the class and the torpedo tubes were replaced by two Squid anti-submarine mortars.[13] The destroyer reentered service in the anti-submarine role with the pennant number F80.[14] During the 1960s, the Swedish Navy decided to retire the larger destroyers and frigates in the fleet as newer missile-equipped fast attack craft became the mainstay of the surface fleet.[15] Gävle was consequently decommissioned on 6 December 1968.[16] The ship was subsequently sold to ASEA and used to provide steam power for the testing phase of the Oskarshamn Nuclear Power Plant, connected to the turbines in the plant and powered them to up 17% overspeed.[17] The frigate was finally broken up in 1972.[7]

References

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Citations

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  1. ^ Borgenstam, Insulander & Kaudern 1989, p. 48.
  2. ^ a b Blackman 1960, p. 272.
  3. ^ a b c Gardiner & Chesneau 1980, p. 372.
  4. ^ Palmsteirna 1972, p. 60.
  5. ^ a b Borgenstam, Insulander & Kaudern 1989, p. 49.
  6. ^ Campbell 2002, p. 392.
  7. ^ a b c von Hofsten & Waernberg 2003, p. 158.
  8. ^ Holmqvist 1972, p. 198.
  9. ^ Wangel 1982, p. 556.
  10. ^ Lagvall 1991, p. 70.
  11. ^ Andræ 2004, p. 91.
  12. ^ Palmsteirna 1972, p. 66.
  13. ^ Palmsteirna 1972, p. 73.
  14. ^ Blackman 1967, p. 253.
  15. ^ Chant 1984, p. 33.
  16. ^ Whitley 2000, p. 249.
  17. ^ Pind 1972, p. 98.

Bibliography

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  • Andræ, Carl Göran (2004). Sverige och den stora flykten från Estland 1943-1944 [Sweden and the Great Flight from Estonia 1943–1944] (in Swedish). Uppsala: Kungl. Gustav Adolfs Akademien för Svensk Folkkultur. ISBN 978-9-18535-252-4.
  • Blackman, Raymond B.V. (1960). Jane's Fighting Ships. London: Sampson Low, Marston & Co. Ltd. OCLC 946722815.
  • Blackman, Raymond B.V. (1967). Jane's Fighting Ships. London: Sampson Low, Marston & Co. Ltd. OCLC 28197955.
  • Borgenstam, Curt; Insulander, Per; Kaudern, Gösta (1989). Jagare: med Svenska flottans jagare under 80 år [Destroyer: 80 years of Destroyers in the Swedish Navy] (in Swedish). Västra Frölunda: Marinlitteratur. ISBN 978-9-19707-004-1. SELIBR 7792227.
  • Campbell, John (2002). Naval Weapons of World War Two. Annapolis: Naval Institute Press. ISBN 978-0-87021-459-2.
  • Chant, Christopher (1984). Naval Forces of the World. Secaucus, NJ: Chartwell Books. ISBN 978-0-89009-626-0.
  • Gardiner, Robert & Chesneau, Roger, eds. (1980). Conway's All The World's Fighting Ships 1922–1946. London: Conway Maritime Press. ISBN 978-0-85177-146-5.
  • Holmqvist, Åke (1972). Flottans Beredskap 1938-1940 [Navy Readiness 1938-1940]. Gävle: Allmänna Förlaget. OCLC 462115352.
  • Lagvall, Bertil (1991). Flottans Neutralitetsvakt 1939-1945 [Fleet Neutrality Guard 1939-1945] (in Swedish). Karlskrona: Marinlitteraturföreningen. ISBN 978-9-18594-404-0. SELIBR 7753511.
  • Palmsteirna, C. (31 March 1972). "Swedish Torpedo Boats & Destroyers: Part II – Destroyers". Warship International. Vol. IX, no. 1. pp. 59–77.
  • Pind, Christen (1972). "Oskarshamn I-a Swedish 440-MW (e) BWR nuclear plant". Peaceful Uses of Atomic Energy. Proceedings of the Fourth International Conference, Jointly Sponsored by the UN and the IAEA and Held in Geneva, 6-16 September 1971. 2: 93–100.
  • von Hofsten, Gustav & Waernberg, Jan (2003). Örlogsfartyg: Svenska maskindrivna fartyg under tretungad flagg [Warships: Swedish Steam Ships under the Flag of Three Crowns] (in Swedish). Karlskrona: Svenskt Militärhistoriskt Bibliotek. ISBN 978-9-19740-154-8.
  • Wangel, Carl-Axel (1982). Sveriges Militära Beredskap 1939–1945 [Sweden's Military Preparedness 1939–1945] (in Swedish). Stockholm: Militärhistor. Förl. ISBN 978-9-18526-620-3.
  • Whitley, M. J. (2000). Destroyers of World War Two: An International Encyclopedia. London: Cassell & Co. ISBN 1-85409-521-8.
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