British S-class submarine (1914)

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This article is about the World War 1 submarine class. For the World War 2 submarine class, see British S class submarine (1931).
Dockyard plans for HMS S1, lead submarine of the class
Class overview
Builders: Scotts, Greenock
Operators: Royal Navy Ensign Royal Navy
Completed: 3
General characteristics
  • 265 tons surfaced
  • 324 tons submerged
Length: 45.1 m (148 ft 0 in)
Beam: 4.4 m (14 ft 5 in)
Draught: 3.2 m (10 ft 6 in)
Propulsion: 2 shafts, Scott-FIAT 6-cyl Diesels, 2 Electric motors, 650 / 400 hp
  • 13 knots (24 km/h) surfaced
  • 8.5 knots (15.7 km/h) submerged
Range: 1,600 nautical miles (3,000 km) at 8.5 knots (15.7 km/h) surfaced
Complement: 18
Armament: 2 × 18 inch torpedo tubes - 4 torpedoes, 1 × 12-pounder gun

The British S class submarine of 1914 were built by Scotts, Greenock just before World War I. The S class was based on an Italian design of the Laurenti boats.

The design had ten internal bulkheads.[1]

Three vessels were constructed. All three were transferred to the Italian Navy in October 1915, presumably on the grounds that the Italians would be more familiar with the design and technology.[citation needed]


  1. ^ Tall, J.J; Paul Kemp (1996). HM Submarines in Camera An Illustrated History of British Submarines. Sutton Publishing. p. 44. ISBN 0-7509-0875-0. 
  • The Royal Navy Submarine Service, A Centennial History, by Antony Preston