Grimsby-class sloop

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Template:Short description Template:Use dmy dates Template:Use British English

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HMAS Swan in 1945
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The Grimsby class were a class of 13 sloops laid down between 1933 and 1940. Of these, eight were built in the United Kingdom for the Royal Navy, four in Australia for the Royal Australian Navy and one for the Royal Indian Navy. Main armament was initially two Script error: No such module "convert". guns for RN ships and three Script error: No such module "convert". for Australian ships, but armament varied considerably between ships, and was increased later.

Losses during World War II were Script error: No such module "WPSHIPS utilities"., Template:HMIS, Script error: No such module "WPSHIPS utilities"., and Script error: No such module "WPSHIPS utilities".. Some survivors of this class served into the 1960s. One ship, Script error: No such module "WPSHIPS utilities"., is preserved as the headquarters of the Honourable Company of Master Mariners.

Design

The Royal Navy started to build replacements for the Script error: No such module "WPSHIPS utilities". and Script error: No such module "WPSHIPS utilities". sloops of the First World War, when the two vessels of the Script error: No such module "WPSHIPS utilities". were laid down in 1928, with the similar four-ship Script error: No such module "WPSHIPS utilities". laid down in 1929 and the eight ships of the Script error: No such module "WPSHIPS utilities". being laid down in 1929–31. All of these ships were designed to combine the convoy-escort role of the Flower class with the minesweeping duties of the Hunt class, being fitted with equipment for both roles. By 1932, however, it became clear that what was needed was ships dedicated to a single role. Development therefore began of the Script error: No such module "WPSHIPS utilities".s as a cheaper mass-production minesweeper, while a new class of sloops would be built that was more closely matched to the escort role.[1][2]

The new class of escort sloops, the Grimsby class, had a heavier gun armament than its predecessors, with two 4.7-inch (120 mm) Mark IX guns mounted fore and aft replacing the Script error: No such module "convert". guns of the earlier ships. As the 4.7-inch guns were low-angle guns, not suited to anti aircraft use, a single QF 3-inch 20 cwt anti-aircraft gun was mounted in "B" position. Four 3-pounder saluting guns completed the ships' gun armament.[3][4] The ship was powered by two geared steam turbines driving two shafts, fed by two Admiralty 3-drum boilers. This machinery produced Script error: No such module "convert". and could propel the ships to a speed of Script error: No such module "convert"..[3]

Eight ships of the class were built for the Royal Navy, being laid down between 1933 and 1935 and completing between 1934 and 1936. The last two ships built for the Royal Navy, Script error: No such module "WPSHIPS utilities". and Script error: No such module "WPSHIPS utilities". had differing armaments, with Aberdeen replacing the 4.7 and 3-inch guns with two 4-inch anti-aircraft guns, and adding a quadruple .50-inch anti-aircraft machine gun mount, while Fleetwood had a main gun armament of two twin 4-inch anti-aircraft mounts, with a short-range anti-aircraft armament of four .50 in machine guns.[5]

File:Frank Norton - Norton-96311 - Fitting Out H.M.A.S. Yarra at Sydney - 1935.jpg
Fitting Out H.M.A.S. Yarra at Sydney (1935) by Frank Norton

The Royal Australian Navy also adopted the Grimsby class, with two ships being laid down in 1934–35 and completed in 1935–36, with two more ships laid down in 1938–39 and completed in 1940. The first two ships were armed with three single 4-inch anti-aircraft guns, while the third and fourth ships having one twin and one-single 4-inch mount, with short-range armament a quadruple machine gun mount in all four ships.[6]

The armament of most of the class was reinforced during the Second World War, with several gaining additional 4-inch guns, with the close in anti aircraft armament being supplemented by the addition of Oerlikon 20 mm cannon. The ships' depth charge complement increased from 15 at the start of the war to 40 for Australian ships and up to 90 for Royal Navy ships, while several ships were also refitted with a Hedgehog anti-submarine projector.[3]

Ships

Name Builder Ordered Laid down Launched Commissioned Fate
Royal Navy
Group 1
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 November 1932[7] 23 January 1933[5] 19 July 1933[5] 17 May 1934[5] Sunk in air attack by Italian and German dive bombers off Tobruk, 25 May 1941[8][9]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 November 1932[7] 6 February 1933[5] 9 September 1933[5] 12 July 1934[5] Sold into mercantile service, 25 November 1946
Royal Danish Navy survey ship Galathea 1949
Scrapped 1955[10]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 May 1933[7] 21 August 1933[5] 11 April 1934[5] 22 November 1934[5] Sold into mercantile service, 1946
Scrapped 1955[11]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 May 1933[7] 25 September 1933[5] 29 May 1934[5] 24 January 1935[5] Sold to Honourable Company of Master Mariners as Headquarters, 1947[12]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 March 1934[7] 11 June 1934[5] 16 January 1935[5] 20 September 1935[5] Broken up at Llanelly, 1948[13]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Chatham 1 May 1933[14] 30 April 1934[5] 5 February 1935[5] 20 August 1935[5] Broken up at Milford Haven, 1948[15]
Group 2
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 March 1935[7] 12 June 1935[5] 22 January 1936[5] 17 September 1936[5] Broken up at Hayle, 1949[16]
Script error: No such module "WPSHIPS utilities". HM Dockyard, Devonport 1 March 1935[7] 14 August 1935[5] 24 March 1936[5] 19 November 1936[5] Broken up at Gateshead, 1959[17]
Royal Australian Navy
Script error: No such module "WPSHIPS utilities". Cockatoo Island Dockyard, Sydney 22 December 1933[18] 24 May 1934[6] 28 March 1935[6] 19 December 1935[6] Sunk in surface action off Java, 4 March 1942[19]
Script error: No such module "WPSHIPS utilities". Cockatoo Island Dockyard, Sydney 2 January 1935[18] 1 May 1935[6] 28 March 1936[6] 10 December 1936[6] Broken up at Sydney, 1964[20]
Script error: No such module "WPSHIPS utilities". Cockatoo Island Dockyard, Sydney July 1938Script error: No such module "Unsubst". 9 November 1938[6] 18 June 1939[6] 8 April 1940[6] Sunk in torpedo attack off Tobruk, 27 November 1941[20]
Script error: No such module "WPSHIPS utilities". Cockatoo Island Dockyard, Sydney December 1938Script error: No such module "Unsubst". 10 May 1939[6] 10 February 1940[6] 21 August 1940[6] Broken up at Sydney, 1965[21]
Royal Indian Navy
Script error: No such module "WPSHIPS utilities".Script error: No such module "Check for unknown parameters". Hawthorn Leslie and Company, Hebburn 14 August 1933[18] 8 December 1933[19] 24 August 1934[19] 15 March 1935[19] Sunk in air attack off Akyab, 6 April 1942[22]

See also

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Notes

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  3. ↑ a b c Script error: No such module "Footnotes".
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  5. ↑ a b c d e f g h i j k l m n o p q r s t u v w x y Script error: No such module "Footnotes".
  6. ↑ a b c d e f g h i j k l m Script error: No such module "Footnotes".
  7. ↑ a b c d e f g Script error: No such module "Footnotes".
  8. ↑ Script error: No such module "Footnotes".
  9. ↑ Script error: No such module "Footnotes".
  10. ↑ Script error: No such module "Footnotes".
  11. ↑ Script error: No such module "Footnotes".
  12. ↑ Script error: No such module "Footnotes".
  13. ↑ Script error: No such module "Footnotes".
  14. ↑ Script error: No such module "citation/CS1".
  15. ↑ Script error: No such module "Footnotes".
  16. ↑ Script error: No such module "Footnotes".
  17. ↑ Script error: No such module "Footnotes".
  18. ↑ a b c Script error: No such module "Footnotes".
  19. ↑ a b c d Script error: No such module "Footnotes".
  20. ↑ a b Script error: No such module "Footnotes".
  21. ↑ Script error: No such module "Footnotes".
  22. ↑ Script error: No such module "Footnotes".

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References

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External links

Script error: No such module "Military navigation". Script error: No such module "Military navigation". Template:WWII Australian ships

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