Grampus class submarines (RN, 1935)

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Grampus class submarines

specifications

Displacement: 1520t standard, 1810t/2157t normal
Dimensions: 89.30m oa x 7.77m x 5.13m mean normal load
Machinery: 2-shaft Admiralty diesels plus electric motors, 3300bhp/1630shp = 15.75kts/8.75kts. Oil 119-147t.
Armament: 6-21in TT (bow, 12 torpedoes), 1-4in/40 QF Mk XII, 50 mines
Complement: 59

units

Name Builder Laid down Launched Comp Fate Note
Grampus Chatham DYd 25 Feb 1936 16 Jun 1940 sunk
Narwhal Vickers-Armstrong, Barrow 29 Aug 1935 30 Jul 1940 sunk
Rorqual Vickers-Armstrong, Barrow 21 Jul 1936 1946 BU
Cachalot Scotts 2 Dec 1937 30 Jul 1941 sunk
Seal Chatham DYd 27 Sept 1938 5 May 1940 captured German UB