SM U-76

For other ships with the same name, see German submarine U-76.
History
German Empire
Name: U-76
Ordered: 9 March 1915
Builder: AG Vulkan, Hamburg
Yard number: 58
Launched: 12 March 1916
Commissioned: 11 May 1916
Fate: 22 January 1917 - Foundered in bad weather off North Cape 71°N 23°E / 71°N 23°E / 71; 23 after damage by collision with a Russian trawler. 1 dead, unknown number of survivors.[1]
General characteristics [2]
Class and type: German Type UE I submarine
Displacement:
  • 755 t (743 long tons) surfaced
  • 832 t (819 long tons) submerged
Length:
Beam:
  • 5.90 m (19 ft 4 in) (o/a)
  • 5.00 m (16 ft 5 in) (pressure hull)
Height: 8.25 m (27 ft 1 in)
Draught: 4.86 m (15 ft 11 in)
Installed power:
  • 2 × 900 PS (662 kW; 888 shp) surfaced
  • 2 × 900 PS (662 kW; 888 shp) submerged
Propulsion: 2 shafts, 2× 1.38 m (4 ft 6 in) propellers
Speed:
  • 9.9 knots (18.3 km/h; 11.4 mph) surfaced
  • 7.9 knots (14.6 km/h; 9.1 mph) submerged
Range:
  • 7,880 nmi (14,590 km; 9,070 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 83 nmi (154 km; 96 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 50 m (164 ft 1 in)
Complement: 4 officers, 28 enlisted
Armament:
  • 2 × 50 cm (19.7 in) torpedo tubes (one starboard bow, one starbord stern)
  • 4 torpedoes
  • 1 × 8.8 cm (3.5 in) deck gun
Service record
Part of: Imperial German Navy
Commanders:
  • Waldemar Bender[3]
  • 11 May 1916 – 22 January 1917 [1]
Operations: 3 patrols, 29 June 1916 – 22 January 1917 I Flotilla
Victories: 1 ship sunk for a total of 1,149 GRT, 1 ship damaged for a total of 6,254 GRT.

SM U-76 was a Type UE 1 submarine and one of the 329 submarines serving in the Imperial German Navy in World War I. U-76 was engaged in the naval warfare and took part in the First Battle of the Atlantic.

Design

German Type UE I submarines were preceded by the longer Type U 66 submarines. U-76 had a displacement of 755 tonnes (743 long tons) when at the surface and 832 tonnes (819 long tons) while submerged.[2] It had a total length of 186 ft 4 in (56.79 m), a pressure hull length of 153 ft 1 in (46.66 m), a beam of 19 ft 4 in (5.89 m), a height of 27 ft 1 in (8.26 m), and a draught of 15 ft 11 in (4.85 m). The submarine was powered by two 900 metric horsepower (660 kW; 890 shp) engines for use while surfaced, and two 900 metric horsepower (660 kW; 890 shp) engines for use while submerged. It had two propeller shafts. It was capable of operating at depths of up to 50 metres (160 ft).[2]

The submarine had a maximum surface speed of 10.6 knots (19.6 km/h; 12.2 mph) and a maximum submerged speed of 7.9 knots (14.6 km/h; 9.1 mph).[2] When submerged, it could operate for 83 nautical miles (154 km; 96 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, it could travel 7,880 nautical miles (14,590 km; 9,070 mi) at 7 knots (13 km/h; 8.1 mph). U-76 was fitted with two 50 centimetres (20 in) torpedo tubes (one at the starboard bow and one starboard stern), four torpedoes, and one 5.5 centimetres (2.2 in) deck machine gun. It had a complement of thirty-two (twenty-eight crew members and four officers).[2]

Summary of raiding history

Date Name Nationality Tonnage
(GRT)
Fate[4]
17 October 1916 Botnia  Norway 1,149 Sunk
11 November 1916 Anna I  Russian Empire ?? Sunk
15 November 1916 Koursk  Russian Empire 6,254 Damaged

References

  1. 1 2 Helgason, Guðmundur. "WWI U-boats: U 76". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 18 January 2015.
  2. 1 2 3 4 5 Gröner 1991, pp. 10-11.
  3. Helgason, Guðmundur. "WWI U-boat commanders: Waldemar Bender". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 18 January 2015.
  4. Helgason, Guðmundur. "Ships hit by U 76". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 16 March 2015.

Bibliography

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