HMS K2

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K2 at Portsmouth in 1924
History
Naval Ensign of the United Kingdom.svgUnited Kingdom
NameHMS K2
Builder HM Dockyard Portsmouth
Laid down13 November 1915
Launched14 November 1916
CommissionedMay 1917
FateSold, 13 July 1926
General characteristics
Class and type K-class submarine
Displacement
  • 1,980 long tons (2,010 t) surfaced
  • 2,566 long tons (2,607 t) submerged
Length339 ft (103 m)
Beam26 ft 6 in (8.08 m)
Draught20 ft 11 in (6.38 m)
Propulsion
Speed
  • 24 knots (44 km/h; 28 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged
Range
  • Surfaced :
  • 800  nmi (1,500 km; 920 mi) at 24 kn (44 km/h; 28 mph)
  • 12,500 nmi (23,200 km; 14,400 mi) at 10 kn (19 km/h; 12 mph)
  • Submerged :
  • 8 nmi (15 km; 9.2 mi) at 8 kn (15 km/h; 9.2 mph)
  • 40 nmi (46 mi; 74 km) at 4 kn (4.6 mph; 7.4 km/h)
Complement59 (6 officers and 53 ratings)
Armament

HMS K2 was the second of the K class submarines and was built at HM Dockyard, Portsmouth, England. She was laid down on 13 November 1915 and was commissioned in May 1917 one year before the end of World War I. In January 1917, K2 was damaged by an explosion and fire during her first diving trials. On 11 January 1924, it collided with K12 as they departed Portland Harbour. K2 smashed a hole in the forward casing of K12 and buckled her bows for about 6 feet (1.8 m).

Contents

On 7 November 1924, K2 collided with H29 during exercises. K2 was sold on 13 July 1926 to John Cashmore Ltd for scrapping at Newport.

Design

Like all British K-class submarines, K2 had a displacement of 1,800 tonnes (2,000 short tons) when at the surface and 2,600 tonnes (2,900 short tons) while submerged. [1] It had a total length of 338 feet (103 m), a beam of 26 feet 6 inches (8.08 m), and a draught of 20 feet 11 inches (6.38 m). [2] The submarine was powered by two oil-fired Yarrow Shipbuilders boilers and one geared Brown-Curtis or Parsons steam turbine; this developed 10,500 ship horsepower (7,800 kW) to drive two 7 feet 6 inches (2.29 m) screws. It also contained four electric motors each producing 350 to 360 horsepower (260 to 270 kW). [2] [3] It was also fitted with a diesel engine providing 800 horsepower (600 kW) to be used when steam was being generated. [4]

The submarine had a maximum surface speed of 24 knots (44 km/h; 28 mph) and a submerged speed of 9 to 9.5 knots (16.7 to 17.6 km/h; 10.4 to 10.9 mph). [2] [5] It could operate at depths of 150 feet (46 m) at 2 knots (3.7 km/h; 2.3 mph) for 80 nautical miles (150 km; 92 mi). [1] K2 was fitted with a 3 inches (76 mm) anti-aircraft gun, ten 18 inches (460 mm) torpedo tubes, and two 4 inches (100 mm) deck guns. [2] Its torpedo tubes were fitted to the bows, the midship section, and two were mounted on the deck. [1] Its complement was fifty-nine crew members. [5]

Citations

  1. 1 2 3 "K for Katastophe". Undersea Warfare Magazine. Archived from the original on 24 September 2015. Retrieved 20 August 2015.
  2. 1 2 3 4 Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN   978-1-86176-281-8. Retrieved from Naval-History on 20 August 2015.
  3. ↑ "K-class". Military Factory — Navy Ships. Retrieved 20 August 2015.
  4. ↑ Anthony Bruce; William Cogar (27 January 2014). Encyclopedia of Naval History. Routledge. p. 356. ISBN   978-1-135-93534-4.
  5. 1 2 Julian Holland (1 May 2012). Amazing & Extraordinary Facts Steam Age. David & Charles. p. 145. ISBN   978-1-4463-5619-7.

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References

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