SM U-76

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History
War Ensign of Germany 1903-1918.svg German Empire
NameU-76
Ordered9 March 1915
Builder AG Vulkan, Hamburg
Yard number58
Launched12 March 1916
Commissioned11 May 1916
Fate22 January 1917 - Foundered in bad weather off North Cape 71°N23°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 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)
Height8.25 m (27 ft 1 in)
Draught4.86 m (15 ft 11 in)
Installed power
  • 2 × 900  PS (662  kW; 888  shp) surfaced
  • 2 × 800 PS (588 kW; 789 shp) submerged
Propulsion2 shafts, 2× 1.38 m (4 ft 6 in) propellers
Speed
  • 9.9 knots (18.3 km/h; 11.4 mph) surfaced
  • 7.8 knots (14.4 km/h; 9.0 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 depth50 m (164 ft 1 in)
Complement4 officers, 28 enlisted
Armament
Service record
Part of:
  • I Flotilla
  • 29 June 1916 – 22 January 1917
Commanders:
  • Kptlt. Waldemar Bender [3]
  • 11 May 1916 – 22 January 1917 [1]
Operations: 4 patrols
Victories:
  • 2 merchant ships sunk
    (1,149  GRT + Unknown GRT)
  • 1 merchant ship damaged
    (6,254  GRT)

SM U-76 [Note 1] 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.

Contents

Design

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] She had a total length of 56.80 m (186 ft 4 in), a pressure hull length of 46.66 m (153 ft 1 in), a beam of 5.90 m (19 ft 4 in), a height of 8.25 m (27 ft 1 in), and a draught of 4.86 m (15 ft 11 in). The submarine was powered by two 900 metric horsepower (660 kW; 890 shp) engines for use while surfaced, and two 800 metric horsepower (590 kW; 790 shp) engines for use while submerged. She had two propeller shafts. She was capable of operating at depths of up to 50 metres (160 ft). [2]

The submarine had a maximum surface speed of 9.9 knots (18.3 km/h; 11.4 mph) and a maximum submerged speed of 7.8 knots (14.4 km/h; 9.0 mph). [2] When submerged, she could operate for 83 nautical miles (154 km; 96 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she 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 port bow and one starboard stern), four torpedoes, and one 8.8 cm (3.5 in) SK L/30 deck gun. She had a complement of thirty-two (twenty-eight crew members and four officers). [2]

Summary of raiding history

DateNameNationalityTonnage [Note 2] Fate [4]
17 October 1916 Botnia Flag of Norway.svg  Norway 1,149Sunk
11 November 1916 Anna I Flag of Russia.svg  Russia —Sunk
15 November 1916 Koursk Flag of Russia.svg  Russia 6,254Damaged

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SM <i>U-125</i>

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References

Notes

  1. ↑ "SM" stands for "Seiner Majestät" (English: His Majesty's) and combined with the U for Unterseeboot would be translated as His Majesty's Submarine.
  2. ↑ Tonnages are in gross register tons

Citations

  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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