HMS D2

	HMS D2
History
United Kingdom
Name	HMS D2
Builder	Vickers Armstrong, Barrow-in-Furness
Laid down	10 July 1909
Launched	25 May 1910
Commissioned	29 March 1911
Fate	Sunk, 25 November 1914
General characteristics
Class and type	D-class submarine
Displacement	483 long tons (491 t) (surfaced); 595 long tons (605 t) (submerged);
Length	163 ft (50 m) (o/a)
Beam	13.6 ft (4.1 m) (o/a)
Installed power	1,750 hp (1,300 kW) (diesel engines); 550 hp (410 kW) (electric motors);
Propulsion	2 × diesel engines; 2 × electric motors; 2 × screws;
Speed	Surfaced: 14 kn (16 mph; 26 km/h) Submerged: 10 kn (12 mph; 19 km/h) (design); 9 kn (10 mph; 17 km/h) (service)
Range	2,500 nmi (2,900 mi; 4,600 km) at 10 kn (12 mph; 19 km/h) (surfaced); 45 nmi (52 mi; 83 km) at 5 kn (5.8 mph; 9.3 km/h) (submerged);
Complement	25
Armament	3 × 18 inch (450 mm) torpedo tubes (2 forward, 1 stern)

HMS D2 was one of eight D-class submarine built for the Royal Navy during the first decade of the 20th century.