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HMS Orcadia (1916)

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Sister ship Marmion
History
United Kingdom
NameOrcadia
OrderedFebruary 1915
BuilderFairfield, Govan
Yard number518
Laid down24 June 1915
Launched26 July 1916
Completed29 September 1916
Out of service31 October 1921
FateSold to be broken up
General characteristics
Class and typeAdmiralty M-class destroyer
Displacement948 long tons (963 t) (normal)
Length
  • 273 ft 4 in (83.3 m) (o/a)
  • 265 feet (80.8 m) (p.p.)
Beam26 ft 8 in (8.1 m)
Draught8 ft 11 in (2.7 m)
Installed power3 Yarrow boilers, 27,800 shp (20,700 kW)
PropulsionBrown-Curtiss steam turbines, 3 shafts
Speed34 knots (63 km/h; 39 mph)
Range2,530 nmi (4,690 km; 2,910 mi) at 15 kn (28 km/h; 17 mph)
Complement80
Armament

HMS Orcadia was a Repeat Admiralty M-class destroyer that served in the Royal Navy during the First World War. The M class was an improvement on those of the preceding L class, capable of higher speed. Orcadia had a largely uneventful war. Joining the Fifteenth Destroyer Flotilla of the Grand Fleet in 1917, the ship was dispatched from the flotilla to the naval base Portsmouth. The vessel was a participant in anti-ship and anti-submarine patrols as part of the flotilla, but did not engage any enemy warships. The Admiralty increasingly used more successful convoys rather than relying on destroyers finding the enemy on patrol. After the Armistice that ended the war, Orcadia was allocated to the Local Defence Flotilla at Portsmouth and was sold in 1921 to be broken up.

Design and development

Orcadia was one of 16 Repeat Admiralty M-class destroyers ordered by the British Admiralty in February 1915 as part of the Fourth War Programme soon after the start of the First World War. The M class was an improved version of the earlier L class, required to reach a higher speed in order to counter rumoured new German fast destroyers. The remit was to have a maximum speed of 36 knots (67 km/h; 41 mph) and, although ultimately the destroyers fell short of that ambition in service, the extra performance that was achieved was valued by the navy. It transpired that the German warships did not exist. The Repeat M class differed from the prewar vessels in having a raked stem and minor design improvements based on wartime experience.

The destroyer had a length of 265 ft (80.8 m) between perpendiculars and 273 ft 4 in (83.3 m) overall, with a beam of 26 ft 8 in (8.1 m) and draught of 8 ft 11 in (2.7 m). Displacement was 948 long tons (963 t) normal. Power was provided by three Yarrow boilers feeding Brown-Curtiss steam turbines rated at 27,800 shaft horsepower (20,700 kW). The turbines drove three shafts and exhausted through three funnels. Design speed was 34 knots (63 km/h; 39 mph), which the vessel exceeded on trials. A total of 228 long tons (232 t) of oil was carried to give a design range of 2,530 nautical miles (4,690 km; 2,910 mi) at 15 knots (28 km/h; 17 mph). The ship had a complement of 80 officers and ratings.

Orcadia had a main armament consisting of three single QF 4-inch (102 mm) Mk IV guns on the centreline, with one on the forecastle, one aft on a raised platform and one between the middle and aft funnels. Torpedo armament consisted of two twin torpedo tubes for 21 in (533 mm) torpedoes located aft of the funnels. Two single 1-pounder 37 mm (1.5 in) "pom-pom" anti-aircraft guns were carried. The anti-aircraft guns were later replaced by 2-pdr 40 mm (1.6 in) "pom-pom" guns and the destroyer was also fitted with racks and storage for depth charges. Initially, only two depth charges were carried but the number increased in service and by 1918, the vessel was carrying between 30 and 50 depth charges.

Construction and career

Orcadia was laid down by Fairfield at their shipyard in Govan on 24 June 1915 with yard number 518 at a cost of £146,528 to build, launched on 26 July 1916 and completed on 29 September the same year, the first of the name in service with the Royal Navy. The vessel was deployed as part of the Grand Fleet, joining the Fifteenth Destroyer Flotilla. On 22 November, the flotilla took part in exercises north of the Shetland Islands under the dreadnought Iron Duke that also involved the majority of the First and Third Battle Squadrons.

In March 1917, the ship was detached from the flotilla to serve at Portsmouth naval base. Between 15 and 24 June 1917, the flotilla took part in anti-submarine patrols east of the Shetland Islands. Orcadia did not sight any submarines, but out of the 117 ships that sailed the route to and from Scandinavia, four were sunk during the operation. This was one of the last such sweeps. The Admiralty increasingly redeployed the destroyers of the Grand Fleet to escorting convoys. Nonetheless, on 15 October, Orcadia formed part of a large-scale operation, involving 30 cruisers and 54 destroyers deployed in eight groups across the North Sea in an attempt to stop a suspected sortie by German naval forces. Despite these measures, the German light cruisers Bremse and Brummer managed to attack the regular convoy between Norway and Britain two days later, sinking two destroyers, Mary Rose and Strongbow, and nine merchant ships before returning safely to Germany.

After the Armistice of 11 November 1918 that ended the war, the Royal Navy returned to a peacetime level of strength and both the number of ships and the amount of personnel in service needed to be reduced to save money. Orcadia initially joined the Local Defence Flotilla at Portsmouth. This service did not last long as the harsh conditions of wartime operations, particularly the combination of high speed and the poor weather that is typical of the North Sea, exacerbated by the fact that the hull was not galvanised, meant that the ship was soon worn out. On 31 October 1921, the destroyer was retired and sold to W A T Burden to be broken up at Poole.

Pennant numbers

Pennant number Date
G53 September 1915
G80 January 1917
D30 January 1918
G39 January 1919

References

Citations

  1. ^ McBride 1991, p. 45.
  2. Friedman 2009, p. 132.
  3. ^ Parkes & Prendergast 1969, p. 109.
  4. ^ Friedman 2009, p. 296.
  5. ^ Preston 1985, p. 76.
  6. Preston 1985, pp. 76, 80.
  7. March 1966, p. 174.
  8. Friedman 2009, pp. 150, 296.
  9. Friedman 2009, p. 152.
  10. Peebles 1986, p. 146.
  11. Manning & Walker 1959, p. 324.
  12. "Destroyer Flotillas of the Grand Fleet", Supplement to The Monthly Navy List, p. 12, October 1916, retrieved 30 November 2024 – via National Library of Scotland
  13. Naval Staff Monograph No. 33 1927, p. 215.
  14. Naval Staff Monograph No. 34 1933, p. 379.
  15. Naval Staff Monograph No. 35 1939, pp. 167–168.
  16. Newbolt 1928, p. 383.
  17. Newbolt 1931, p. 151.
  18. Newbolt 1931, pp. 153–157.
  19. Moretz 2002, p. 79.
  20. "Local Defence and Training Establishments, Patrol Flotillas, etc.", The Navy List, p. 704, January 1920, retrieved 30 November 2024 – via National Library of Scotland
  21. Preston 1985, p. 80.
  22. Colledge & Warlow 2006, p. 251.
  23. ^ Bush & Warlow 2021, p. 67.
  24. Dittmar & Colledge 1972, p. 69.
  25. Bush & Warlow 2021, p. 64.

Bibliography

M-class destroyers
 Royal Navy
Admiralty M class
Hawthorn M class
Thornycroft M class
Yarrow M class
Yarrow Later M class
 Royal Canadian Navy
Thornycroft M class
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