SM U-83

Coordinates: 51°34′N 11°23′W / 51.567°N 11.383°W / 51.567; -11.383
Source: Wikipedia, the free encyclopedia.
History
German Empire
NameU-83
Ordered23 June 1915
Builder
Germaniawerft
, Kiel
Yard number253
Laid down23 October 1915
Launched13 July 1916
Commissioned6 September 1916
FateSunk by gunfire of Q-Ship Farnborough SW of Ireland at 51°34′N 11°23′W / 51.567°N 11.383°W / 51.567; -11.383, 17 February 1917. 35 dead and 2 survivors.[1]
General characteristics [2]
Displacement
  • 808 t (795 long tons) surfaced
  • 946 t (931 long tons) submerged
Length
  • 70.06 m (229 ft 10 in) (
    o/a
    )
  • 55.55 m (182 ft 3 in) (
    pressure hull
    )
Beam
  • 6.30 m (20 ft 8 in) (oa)
  • 4.15 m (13 ft 7 in) (pressure hull)
Height8.00 m (26 ft 3 in)
Draught4.02 m (13 ft 2 in)
Installed power
Propulsion2 shafts, 2 × 1.70 m (5 ft 7 in) propellers
Speed
  • 16.8 knots (31.1 km/h; 19.3 mph) surfaced
  • 9.1 knots (16.9 km/h; 10.5 mph) submerged
Range
  • 11,220 nmi (20,780 km; 12,910 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 56 nmi (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth50 m (160 ft)
Complement4 officers, 31 enlisted
Armament
Service record
Part of:
  • IV Flotilla
  • 31 October 1916 – 17 February 1917
Commanders:
Operations: 2 patrols
Victories:
  • 6 merchant ships sunk
    (6,450 GRT)
  • 1 auxiliary warship damaged
    (3,207 GRT)

SM U-83 was a

U-boat campaign.[1]

In a six-month career, U-83 made two combat patrols into the

.

Design

draught of 4.02 m (13 ft 2 in). The submarine was powered by two 2,400 metric horsepower (1,800 kW; 2,400 shp) engines for use while surfaced, and two 1,200 metric horsepower (880 kW; 1,200 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 16.8 knots (31.1 km/h; 19.3 mph) and a maximum submerged speed of 9.1 knots (16.9 km/h; 10.5 mph).[2] When submerged, she could operate for 56 nautical miles (104 km; 64 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 11,220 nautical miles (20,780 km; 12,910 mi) at 8 knots (15 km/h; 9.2 mph). U-83 was fitted with four 50 centimetres (20 in) torpedo tubes (two at the bow and two at the stern), twelve to sixteen torpedoes, and one 10.5 cm (4.1 in) SK L/45 deck gun. She had a complement of thirty-five (thirty-one crew members and four officers).[2]

Summary of raiding history

Date Name Nationality Tonnage[Note 1] Fate[4]
17 December 1916 Niord  Sweden 123 Sunk
4 February 1917 Anna Maria  France 141 Sunk
4 February 1917 Coquette  France 167 Sunk
6 February 1917 Crown Point  United Kingdom 5,218 Sunk
7 February 1917 Diaz  Russian Empire 637 Sunk
10 February 1917 Paquerette  France 164 Sunk
17 February 1917 HMS Farnborough  Royal Navy 3,207 Damaged

References

Notes

  1. gross register tons. Military vessels are listed by tons displacement
    .

Citations

  1. ^ a b Helgason, Guðmundur. "WWI U-boats: U 83". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.
  2. ^ a b c d e Gröner 1991, pp. 12–14.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Kptlt. Bruno Hoppe". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 29 September 2010.
  4. ^ Helgason, Guðmundur. "Ships hit by U 83". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 20 January 2015.

Bibliography

  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. .