SM UC-108

For other ships with the same name, see German submarine U-108.

History
German Empire
Name	UC-108
Builder	Blohm & Voss, Hamburg [1]
Yard number	342 [2]
Launched	2 June 1918 [2]
Completed	15 November 1918 [2]
Fate	Ceded to UK as war reparation; broken up, 1921 [3]
General characteristics
Class and type	Type UC III submarine
Displacement	491  t (483 long tons), surfaced 571 t (562 long tons), submerged
Length	56.51 m (185 ft 5 in) (o/a) 42.20 m (138 ft 5 in) (pressure hull)
Beam	5.54 m (18 ft 2 in) (o/a)
Draft	3.77 m (12 ft 4 in)
Propulsion	2 × propeller shafts 2 × 6-cylinder, 4-stroke diesel engines, 600 PS (440 kW; 590 bhp) 2 × electric motors, 770 PS (570 kW; 760 shp)
Speed	11.5 knots (21.3 km/h; 13.2 mph), surfaced 6.6 knots (12.2 km/h; 7.6 mph), submerged
Range	9,850 nautical miles (18,240 km; 11,340 mi) at 7 knots (13 km/h; 8.1 mph), surfaced 40 nmi (74 km; 46 mi) at 4.5 knots (8.3 km/h; 5.2 mph), submerged
Test depth	75 m (246 ft)
Complement	32
Armament	6 × 100 cm (39.4 in) mine tubes 14 × UC 200 mines 3 × 50 cm (19.7 in) torpedo tubes (2 bow external; one stern) 7 × torpedoes 1 x 10.5 cm (4.1 in) SK L/45 or 8.8 cm (3.5 in) Uk L/30 deck gun
Notes	15-second diving time

SM UC-108 was a German Type UC III minelaying submarine or U-boat built for the German Imperial Navy (German : Kaiserliche Marine) during World War I.

Design

A Type UC III submarine, UC-100 had a displacement of 491 tonnes (483 long tons) when at the surface and 571 tonnes (562 long tons) while submerged. She had a length overall of 56.51 m (185 ft 5 in), a beam of 5.54 m (18 ft 2 in), and a draught of 3.77 m (12 ft 4 in). The submarine was powered by two six-cylinder four-stroke diesel engines each producing 300 metric horsepower (220 kW; 300 shp) (a total of 600 metric horsepower (440 kW; 590 shp)), two electric motors producing 770 metric horsepower (570 kW; 760 shp), and two propeller shafts. She had a dive time of 15 seconds and was capable of operating at a depth of 75 metres (246 ft). ^[4]

The submarine was designed for a maximum surface speed of 11.5 knots (21.3 km/h; 13.2 mph) and a submerged speed of 6.6 knots (12.2 km/h; 7.6 mph). When submerged, she could operate for 40 nautical miles (74 km; 46 mi) at 4.5 knots (8.3 km/h; 5.2 mph); when surfaced, she could travel 9,850 nautical miles (18,240 km; 11,340 mi) at 7 knots (13 km/h; 8.1 mph). UC-100 was fitted with six 100 centimetres (39 in) mine tubes, fourteen UC 200 mines, three 50 centimetres (20 in) torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 10.5 cm (4.1 in) SK L/45 or 8.8 cm (3.5 in) Uk L/30 deck gun . Her complement was twenty-six crew members. ^[4]

Construction and career

The U-boat was launched on 2 June 1918 and completed on 15 November 1918. Because UC-108 was finished after the end of fighting, she was never commissioned into the German Imperial Navy; had she been so commissioned, she would have been named SM UC-108. ^{[Note 1]} UC-108 was awarded to the France as a war reparation and broken up in 1921.

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.

Citations

1. Tarrant, p. 174.
2. "UC-108 (6107634)" . Miramar Ship Index . Retrieved 24 February 2009.
3. Gardiner, p. 182.
4. Gröner 1991, pp. 34–35.

Bibliography

• Bendert, Harald (2001). Die UC-Boote der Kaiserlichen Marine 1914-1918. Minenkrieg mit U-Booten (in German). Hamburg, Berlin, Bonn: Mittler. ISBN   3-8132-0758-7.
• 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. ISBN   0-85177-593-4.
• Gardiner, Robert; Gray, Randal, eds. (1985). Conway's All the World's Fighting Ships 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN   978-0-87021-907-8. OCLC   12119866.
• Tarrant, V. E. (1989). The U-Boat Offensive: 1914–1945. Annapolis, Maryland: Naval Institute Press. ISBN   978-0-87021-764-7. OCLC   20338385.