HMS E1

History
United Kingdom
Name	E1
Builder	HM Dockyard, Chatham
Cost	£101,700
Laid down	14 February 1911
Launched	9 November 1912
Commissioned	6 May 1913
Fate	Scuttled, 3 April 1918
General characteristics
Class and type	E-class submarine
Displacement	652 long tons (662 t) surfaced 795 long tons (808 t) submerged
Length	178 ft (54 m)
Beam	15 ft 5 in (4.70 m)
Propulsion	2 × 800 hp (597 kW) diesel 2 × 420 hp (313 kW) electric 2 propellers
Speed	15 knots (28 km/h; 17 mph) surfaced 9.5 knots (17.6 km/h; 10.9 mph) submerged
Range	3,000 nmi (5,600 km) at 10 kn (19 km/h; 12 mph) 65 nmi (120 km) at 5 kn (9.3 km/h; 5.8 mph)
Complement	30
Armament	4 × 18 inch (450 mm) torpedo tubes (1 bow, 2 beam, 1 stern)

HMS E1 (laid down as HMS D9) was a British E-class submarine that was built by Chatham Dockyard and cost £101,700. E1 was laid down on 14 February 1911. She was launched on 9 November 1912 and was commissioned on 6 May 1913. During World War I she was part of the British submarine flotilla in the Baltic.