The Porpoise class was the first class of operational submarines built for the Royal Navy after the end of the Second World War, and were designed to take advantage of experience gained by studying German Type XXI U-boats and British wartime experiments with the submarine Seraph, which was modified by streamlining and fitting a bigger battery.[1][2][3]
The Porpoise-class submarines were 290 feet 3 inches (88.47 m) long overall and 241 feet 0 inches (73.46 m) between perpendiculars, with a beam of 26 feet 6 inches (8.08 m) and a draught of 18 feet 3 inches (5.56 m). Displacement was 1,565 long tons (1,590 t) standard and 1,975 long tons (2,007 t) full load surfaced and 2,303 long tons (2,340 t) submerged.[1] Propulsion machinery consisted of two Admiralty Standard Range diesel generators rated at a total of 3,680 brake horsepower (2,740 kW), which could charge the submarine's batteries or directly drive the electric motors. These were rated at 6,000 shaft horsepower (4,500 kW), and drove two shafts, giving a speed of 12 knots (14 mph; 22 km/h) on the surface and 16 knots (18 mph; 30 km/h) submerged.[4][3] Eight 21-inch (533 mm) torpedo tubes were fitted; six in the bow, and two in the stern. Up to 30 torpedoes could be carried, with the initial outfit consisting of the unguided Mark 8 and the homing Mark 20 torpedoes.[1]
Narwhal ran aground at the entrance to Campbeltown Loch, Scotland, on 4 April 1960.[5] She was refloated the next day.[6]
In 1970 she was present at Portsmouth Navy Days.[7] In October 1976, Narwhal, together with the nuclear attack submarine Sovereign, took part in Operation Brisk, to gain experience in under-ice operations, with Sovereign going on to surface at the North Pole.[8]
Narwhal was decommissioned for the last time on 10 February 1977.[9] On 2 June 1980 Narwhal was sunk off Portland, but was raised in a salvage exercise on 26 June 1980 by the Swedish heavy-lift ship Hebe III.[10] She was scuttled as a target on 3 August 1985 and lies in the English Channel.[11]
narwhal, other, ships, with, same, name, narwhal, porpoise, class, submarine, royal, navy, launched, october, 1957, historyunited, kingdomnamehms, narwhalbuildervickers, armstrongs, barrow, furnesslaid, down15, march, 1956launched25, october, 1957decommissione. For other ships with the same name see HMS Narwhal HMS Narwhal S03 was a Porpoise class submarine of the Royal Navy She was launched on 25 October 1957 HMS Narwhal S03 HistoryUnited KingdomNameHMS NarwhalBuilderVickers Armstrongs Barrow in FurnessLaid down15 March 1956Launched25 October 1957Decommissioned10 February 1977FateSunk as a target on 3 August 1985General characteristicsClass and typePorpoise class submarineDisplacement2 080 tons surfaced 2 450 tons submergedLength290 ft 88 m Beam26 ft 7 in 8 10 m Draught18 ft 5 5 m Propulsion2 Admiralty Standard range diesel generators 1 650 hp 1 230 kW 2 English Electric main motors 12 000 hp 8 900 kW 2 shaftsSpeed12 knots 22 km h surfaced 17 knots 31 km h submergedRange9 000 nmi 17 000 km at 12 kn 22 km h Complement71Armament8 21 in 533 mm torpedo tubes 6 bow 2 stern 30 Mk 8 or Mk 23 torpedoes later the Mark 24 Tigerfish Contents 1 Design and construction 2 Service 3 References 4 Publications 5 External linksDesign and construction EditThe Porpoise class was the first class of operational submarines built for the Royal Navy after the end of the Second World War and were designed to take advantage of experience gained by studying German Type XXI U boats and British wartime experiments with the submarine Seraph which was modified by streamlining and fitting a bigger battery 1 2 3 The Porpoise class submarines were 290 feet 3 inches 88 47 m long overall and 241 feet 0 inches 73 46 m between perpendiculars with a beam of 26 feet 6 inches 8 08 m and a draught of 18 feet 3 inches 5 56 m Displacement was 1 565 long tons 1 590 t standard and 1 975 long tons 2 007 t full load surfaced and 2 303 long tons 2 340 t submerged 1 Propulsion machinery consisted of two Admiralty Standard Range diesel generators rated at a total of 3 680 brake horsepower 2 740 kW which could charge the submarine s batteries or directly drive the electric motors These were rated at 6 000 shaft horsepower 4 500 kW and drove two shafts giving a speed of 12 knots 14 mph 22 km h on the surface and 16 knots 18 mph 30 km h submerged 4 3 Eight 21 inch 533 mm torpedo tubes were fitted six in the bow and two in the stern Up to 30 torpedoes could be carried with the initial outfit consisting of the unguided Mark 8 and the homing Mark 20 torpedoes 1 Narwhal was laid down at Vickers Armstrongs Barrow in Furness shipyard on 15 March 1956 was launched on 25 October 1957 and completed on 4 May 1959 1 4 Service EditNarwhal ran aground at the entrance to Campbeltown Loch Scotland on 4 April 1960 5 She was refloated the next day 6 In 1970 she was present at Portsmouth Navy Days 7 In October 1976 Narwhal together with the nuclear attack submarine Sovereign took part in Operation Brisk to gain experience in under ice operations with Sovereign going on to surface at the North Pole 8 Narwhal was decommissioned for the last time on 10 February 1977 9 On 2 June 1980 Narwhal was sunk off Portland but was raised in a salvage exercise on 26 June 1980 by the Swedish heavy lift ship Hebe III 10 She was scuttled as a target on 3 August 1985 and lies in the English Channel 11 References Edit a b c d Gardiner amp Chumbley 1995 p 529 Brown 2012 p 116 a b Brown amp Moore 2012 p 114 a b Blackman 1971 p 339 Submarine Goes Aground The Times No 54738 London 5 April 1960 col D p 12 Grounded Submarine Towed Off The Times No 54739 London 6 April 1960 col C p 6 Programme Navy Days Portsmouth 29th 31st August 1970 p25 Hennessey amp Jinks 2016 p 368 Nostalgic Farewell to Narwhal Navy News March 1977 p 23 Retrieved 13 October 2018 Critchley 1981 p 70 HMS Narwhal S 03 1983 Wrecksite Retrieved 19 January 2019 Publications EditBlackman Raymond V B 1971 Jane s Fighting Ships 1971 72 London Sampson Low Marston amp Company ISBN 0 354 00096 9 Brown David K 2012 Nelson to Vanguard Warship Design and Development 1923 1945 Barnsley UK Seaforth Publishing ISBN 978 1 84832 149 6 Brown David K Moore David 2012 Rebuilding the Royal Navy Warship Design Since 1945 Barnsley UK Seaforth Publishing ISBN 978 1 84832 150 2 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 Critchley Mike 1981 British Warships Since 1945 Part 2 Liskeard UK Maritime Books ISBN 0 9506323 6 8 Gardiner Robert Chumbley Stephen eds 1995 Conway s All The World s Fighting Ships 1947 1995 Annapolis Maryland USA Naval Institute Press ISBN 1 55750 132 7 Hennessey Peter Jinks James 2016 The Silent Deep The Royal Navy Submarine Service since 1945 Penguin ISBN 978 0 241 95948 0 External links EditNarwhal film from 1960 This article about a specific naval ship or boat of the United Kingdom is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title HMS Narwhal S03 amp oldid 1096555145, wikipedia, wiki, book, books, library,
