SM U-6 (Germany)

History
German Empire
Name	U-6
Ordered	8 April 1908
Builder	Germaniawerft, Kiel
Cost	2,540,000 Goldmark
Yard number	148
Laid down	24 August 1908
Launched	18 May 1910
Commissioned	12 August 1910
Fate	Torpedoed and sunk 15 September 1915
General characteristics
Class & type	Type U 5 submarine
Displacement	505 t (497 long tons) surfaced; 636 t (626 long tons) submerged;
Length	57.30 m (188 ft) (o/a); 43.10 m (141 ft 5 in) (pressure hull);
Beam	5.60 m (18 ft 4 in) (o/a); 3.75 m (12 ft 4 in) (pressure hull);
Draught	3.55 m (11 ft 8 in)
Installed power	2 × Körting 6-cylinder and 2 × Körting 8-cylinder two stroke paraffin motors with 900 PS (660 kW; 890 shp); 2 × SSW electric motors with 1,040 PS (760 kW; 1,030 shp); 550 rpm surfaced; 600 rpm submerged;
Propulsion	2 shafts; 2 × 1.30 m (4 ft 3 in) propellers;
Speed	13.4 knots (24.8 km/h; 15.4 mph) surfaced; 10.2 knots (18.9 km/h; 11.7 mph) submerged;
Range	3,300 nmi (6,100 km; 3,800 mi) at 9 knots (17 km/h; 10 mph)
Test depth	30 m (98 ft)
Boats & landing; craft carried	1 dinghy
Complement	4 officers, 24 men
Armament	4 × 45 cm (17.7 in) torpedo tubes (2 each bow and stern) with 6 torpedoes; 1 × 5 cm (2.0 in) SK L/40 gun; 1 × 3.7 cm (1.5 in) Hotchkiss gun;
Service record
Part of	I. U-Halbflottille; 1 August 1914 – 15 September 1915;
Commanders	Oblt.z.S. Wilhelm-Friedrich Starke; 5 August – 28 September 1914; Oblt.z.S. Otto Steinbrinck; 29 September – 4 November 1914; Oblt.z.S. Reinhold Lepsius; 5 November 1914 – 5 January 1915; Oblt.z.S. Otto Steinbrinck; 6 January 1915 – 21 January 1915; Oblt.z.S. Reinhold Lepsius; 22 January – 15 September 1915;
Operations	4 patrols
Victories	16 merchant ships sunk ; (9,614 GRT); 3 merchant ships taken as prize ; (2,337 GRT);

SM U-6 was one of 329 U-boatss which served in the Imperial German Navy during World War I. The boat was built at Germaniawerft in Kiel between 1908 and 1910, as the second Type U 5 submarine. She was launched on 18 May 1910 and commissioned into the Navy on 12 August. During the war she sank 16 merchant ships and took three as prizes with a combined loss of 11,951 Gross Register Tons. The boat was torpedoed and sunk by British submarine HMS E16 off Stavanger, Norway on 15 September 1915.