Design and description
The C-class boats of the 1907–08 and subsequent Naval Programmes were modified to improve their speed, both above and below the surface. The submarine had a length of overall, a beam of and a mean draft of . They displaced on the surface and submerged. The C-class submarines had a crew of two officers and fourteen ratings.Gardiner & Gray, p. 87 For surface running, the boats were powered by a single 12-cylinder Vickers petrol engine that drove one propeller shaft. When submerged the propeller was driven by a electric motor. They could reach on the surface and underwater. On the surface, the C class had a range of at . The boats were armed with two 18-inch (45 cm) torpedo tubes in the bow. They could carry a pair of reload torpedoes, but generally did not as they would have to remove an equal weight of fuel in compensation.Construction and career
HMS ''C34'' was built by HM Dockyard, Chatham for the Royal Navy. She was laid down on 29 March 1909 and was commissioned on 17 September 1910. The boat was sunk by the Imperial German Navy U-boat off Fair Isle in Shetland while on the surface on 17 July 1917. The only survivor was picked up by ''U-52''.Notes
References
* * * *External links