SM U-94

SM U-94 was a Type U 93 submarine and one of the 329 submarines serving in the Imperial German Navy in World War I. U-94 was engaged in the naval warfare and took part in the First Battle of the Atlantic.[2]

For other ships with the same name, see German submarine U-94.
History
German Empire
Name: U-94
Ordered: 15 September 1915
Builder: Germaniawerft, Kiel
Yard number: 258
Laid down: 25 March 1916
Launched: 5 January 1917
Commissioned: 3 March 1917
Fate: Surrendered 20 November 1918
General characteristics [1]
Class and type: German Type U 93 submarine
Displacement:
  • 838 t (825 long tons) surfaced
  • 1,000 t (980 long tons) submerged
Length:
  • 71.55 m (234 ft 9 in) (o/a)
  • 56.05 m (183 ft 11 in) (pressure hull)
Beam:
  • 6.30 m (20 ft 8 in) (o/a)
  • 4.15 m (13 ft 7 in) (pressure hull)
Height: 8.25 m (27 ft 1 in)
Draught: 3.94 m (12 ft 11 in)
Installed power:
  • 2 × 2,400 PS (1,765 kW; 2,367 shp) surfaced
  • 2 × 1,200 PS (883 kW; 1,184 shp) submerged
Propulsion: 2 shafts, 2 × 1.66 m (5 ft 5 in) propellers
Speed:
  • 16.8 knots (31.1 km/h; 19.3 mph) surfaced
  • 8.6 knots (15.9 km/h; 9.9 mph) submerged
Range:
  • 9,020 nmi (16,710 km; 10,380 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 52 nmi (96 km; 60 mi) at 5 knots (9.3 km/h; 5.8 mph) submerged
Test depth: 50 m (160 ft)
Complement: 4 officers, 32 enlisted
Armament:
Service record[2]
Part of:
  • IV Flotilla
  • 20 April 1917 – 11 November 1918
Commanders:
  • Kptlt. Alfred Saalwächter
  • 3 March 1917 – 24 March 1918
  • Oblt.z.S. Martin Schwab
  • 25 March – 11 November 1918
Operations: 13 patrol
Victories:
  • 21 merchant ships sunk (61,881 GRT)
  • 3 merchant ships damaged (19,326 GRT)

Design

German Type U 93 submarines were preceded by the shorter Type U 87 submarines. U-94 had a displacement of 838 tonnes (825 long tons) when at the surface and 1,000 tonnes (980 long tons) while submerged.[1] She had a total length of 71.55 m (234 ft 9 in), a pressure hull length of 56.05 m (183 ft 11 in), a beam of 6.30 m (20 ft 8 in), a height of 8.25 m (27 ft 1 in), and a draught of 3.94 m (12 ft 11 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).[1]

The submarine had a maximum surface speed of 16.8 knots (31.1 km/h; 19.3 mph) and a maximum submerged speed of 8.6 knots (15.9 km/h; 9.9 mph).[1] When submerged, she could operate for 52 nautical miles (96 km; 60 mi) at 5 knots (9.3 km/h; 5.8 mph); when surfaced, she could travel 9,020 nautical miles (16,710 km; 10,380 mi) at 8 knots (15 km/h; 9.2 mph). U-94 was fitted with six 50 centimetres (20 in) torpedo tubes (four at the bow and two at the stern), twelve to sixteen torpedoes, and one 8.8 cm (3.5 in) SK L/30 deck gun. She had a complement of thirty-six (thirty-two crew members and four officers).[1]

Summary of raiding history
Date Name Nationality Tonnage[Note 1] Fate[3]
9 June 1917 Deveron  Norway 1,261 Sunk
11 June 1917 Thessaly  United Kingdom 4,310 Damaged
12 June 1917 Amakura  United Kingdom 2,316 Sunk
13 June 1917 Cederic  Norway 2,344 Sunk
20 June 1917 HMS Salvia  Royal Navy 1,250 Sunk
24 June 1917 Sylvanian  United Kingdom 4,858 Sunk
26 June 1917 Haverford  United Kingdom 11,635 Damaged
29 July 1917 Ingeborg  Denmark 1,207 Sunk
29 July 1917 Adalia  United Kingdom 3,847 Sunk
30 July 1917 Kildin  Russian Empire 1,640 Sunk
30 July 1917 Manchester Inventor  United Kingdom 4,112 Sunk
30 July 1917 Souma  Russian Empire 2,200 Sunk
6 August 1917 Argalia  United Kingdom 4,641 Sunk
12 August 1917 Lynorta  United Kingdom 3,684 Sunk
16 August 1917 Svanholm  Denmark 1,400 Sunk
19 September 1917 Hydra  Denmark 174 Sunk
24 September 1917 Petersham  United Kingdom 3,381 Damaged
15 December 1917 Bernard  United Kingdom 3,682 Sunk
16 December 1917 Bristol City  United Kingdom 2,511 Sunk
19 February 1918 Barrowmore  United Kingdom 3,832 Sunk
26 February 1918 Snyg  Norway 370 Sunk
2 March 1918 Rockpool  United Kingdom 4,502 Sunk
18 May 1918 Hurunui  United Kingdom 10,644 Sunk
25 May 1918 Saphir  Norway 1,406 Sunk
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References

Notes
  1. Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

Citations
  1. Gröner 1991, pp. 12-14.
  2. Helgason, Guðmundur. "WWI U-boats: U 94". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 10 December 2014.
  3. Helgason, Guðmundur. "Ships hit by U 94". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 10 December 2014.

Bibliography
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4.

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