HMS Swordfish (1916)

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Class overview
General characteristics
Displacement: 932 tons surfaced/ 1,470 tons submerged
Propulsion: 2-shaft steam turbine, 2 electric motors, 3750shp/1400shp
Speed: 18 knots surfaced/ 10 knots submerged
Range: 3,000 nm at 8.5 knots
Complement: 18
Armament: 2-21 in TT (bow) 2 torpedoes, 4-18 in TT (beam) 8 torpedoes


HM submarine Swordfish was built for the Royal Navy in the hope of achieving a speed of 20 knots by using the steam turbine rejected from a previous attempt HMS Nautilus. She was built from 1913 to 1916 but she was never commissioned which is why she was never given the HMS prefix.

HM submarine Swordfish was converted to a surface patrol vessel named S1 in June-August 1917.

[edit] References

  • The Royal Navy Submarine Service, A Centennial History, by Antony Preston