HMS Rainbow (N16)

HMS Rainbow was a Rainbow-class submarine built for the Royal Navy during the 1930s.

For other ships with the same name, see HMS Rainbow.

 
HMS Rainbow at sea, bow and stern images
History
United Kingdom
Name: HMS Rainbow
Ordered: 28 January 1929
Builder: Chatham Dockyard
Laid down: 24 July 1929
Launched: 14 May 1930
Commissioned: 18 January 1932
Identification: Pennant number: N16
Fate: Believed sunk on 4 October 1940
General characteristics
Class and type: Rainbow-class submarine
Displacement:
  • 1,763 long tons (1,791 t) surfaced
  • 2,030 long tons (2,060 t) submerged
Length: 287 ft (87 m)
Beam: 30 ft (9.1 m)
Draught: 16 ft (4.9 m)
Propulsion:
  • Diesel-electric
  • 2 × Admiralty diesel engines, 4,640 hp
  • 2 × electric motors, 1,635 hp
  • 2 shafts
Speed:
  • 17.5 knots (32.4 km/h; 20.1 mph) surfaced
  • 8.6 knots (15.9 km/h; 9.9 mph) submerged
Complement: 53
Armament:

Design and description

The Rainbow-class submarines were designed as improved versions of the Parthian class and were intended for long-range operations in the Far East. The submarines had a length of 287 feet 2 inches (87.5 m) overall, a beam of 29 feet 10 inches (9.1 m) and a mean draft of 13 feet 10 inches (4.2 m). They displaced 1,772 long tons (1,800 t) on the surface and 2,030 long tons (2,060 t) submerged. The Rainbow-class submarines had a crew of 56 officers and ratings. They had a diving depth of 300 feet (91.4 m).[1]

For surface running, the boats were powered by two 2,200-brake-horsepower (1,641 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 660-horsepower (492 kW) electric motor. They could reach 17.5 knots (32.4 km/h; 20.1 mph) on the surface and 9 knots (17 km/h; 10 mph) underwater. On the surface, the boats had a range of 7,050 nautical miles (13,060 km; 8,110 mi) at 9.2 knots (17.0 km/h; 10.6 mph) and 62 nmi (115 km; 71 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged.[1]

The boats were armed with six 21 in (530 mm) torpedo tubes in the bow and two more in the stern. They carried six reload torpedoes for a grand total of fourteen torpedoes. They were also armed with a QF 4.7-inch (120 mm) Mark IX deck gun.[2]

Construction and career

Rainbow ran aground in the English Channel off Ventnor, Isle of Wight, on 22 January 1932. She was refloated later the same day.[3]

Rainbow served in the Far East until 1940, when she moved to the Mediterranean. She left for a patrol off Calabria on 23 September 1940 [4] and was due to be back in Alexandria on 16 October, she was last heard from on 25 September. She is believed to have been sunk on 4 October in a collision with the Italian merchant ship Antonietta Costa, which reported striking a submerged object at 03:30, followed by a huge underwater explosion while sailing in convoy from Albania on that date.[5]

Until 1988 it was believed that Rainbow had been sunk by the Italian submarine Enrico Toti, but eventually it was determined that HMS Triad (N53) was the submarine that Enrico Toti sank.[4]

Notes
  1. Bagnasco, pp. 106–07
  2. Chesneau, p. 49
  3. "Submarine ashore near Ventnor". The Times (46038). London. 23 January 1932. col B, p. 7.
  4. Brian Izzard (November 2009). Gamp VC. Haynes Publishing. p. 35. ISBN 978-1-84425-725-6.
  5. "HMS Rainbow (N 16)". uboat.net. Retrieved 13 August 2015.
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References
  • Akermann, Paul (2002). Encyclopaedia of British Submarines 1901–1955 (reprint of the 1989 ed.). Penzance, Cornwall: Periscope Publishing. ISBN 1-904381-05-7.
  • Bagnasco, Erminio (1977). Submarines of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-962-6.
  • 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.
  • Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
  • McCartney, Innes (2006). British Submarines 1939–1945. New Vanguard. 129. Oxford, UK: Osprey. ISBN 1-84603-007-2.
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