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SM UC-45

Coordinates: 54°9′N 7°35′E / 54.150°N 7.583°E / 54.150; 7.583
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For other ships with the same name, see German submarine U-45.
History
German Empire
NameUC-45
Ordered20 November 1915[1]
BuilderAG Vulcan, Hamburg[2]
Yard number78[1]
Launched20 October 1916[1]
Commissioned18 November 1916[1]
FateSurrendered, 24 November 1918; broken up, 1919 – 20[1]
General characteristics [3]
Class and typeType UC II submarine
Displacement
  • 400 t (390 long tons), surfaced
  • 480 t (470 long tons), submerged
Length
Beam
  • 5.22 m (17 ft 2 in) o/a
  • 3.65 m (12 ft) pressure hull
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 11.7 knots (21.7 km/h; 13.5 mph), surfaced
  • 6.7 knots (12.4 km/h; 7.7 mph), submerged
Range
  • 9,410 nmi (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph) surfaced
  • 60 nmi (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement26
Armament
Notes48-second diving time
Service record
Part of:
  • I Flotilla
  • 10 February – 17 September 1917
Commanders:
  • Kptlt. Hubert Aust[4]
  • 18 November 1916 – 27 July 1917
  • Oblt.z.S. Hans Soergel[5]
  • 28 July – 31 August 1917
  • Oblt.z.S. Werner Ackermann[6]
  • 1 – 17 September 1917
Operations: 5 patrols
Victories: 12 merchant ships sunk
(16,854 GRT)

SM UC-45[Note 1] was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 20 November 1915 and was launched on 20 October 1916. She was commissioned into the German Imperial Navy on 18 November 1916 as SM UC-45. In five patrols UC-45 was credited with sinking 12 ships, either by torpedo or by mines laid. UC-45 sank in a diving accident on 17 September 1917 in the North Sea. The German salvage vessel Vulkan raised the wreck and UC-45 re-entered service on 24 October 1918. She was surrendered on 24 November 1918 and broken up at Preston in 1919–20.[1]

Design

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A Type UC II submarine, UC-45 had a displacement of 400 tonnes (390 long tons) when at the surface and 480 tonnes (470 long tons) while submerged. She had a length overall of 49.45 m (162 ft 3 in), a beam of 5.22 m (17 ft 2 in), and a draught of 3.68 m (12 ft 1 in). The submarine was powered by two six-cylinder four-stroke diesel engines each producing 260 metric horsepower (190 kW; 260 shp) (a total of 520 metric horsepower (380 kW; 510 shp)), two electric motors producing 460 metric horsepower (340 kW; 450 shp), and two propeller shafts. She had a dive time of 48 seconds and was capable of operating at a depth of 50 metres (160 ft).[3]

The submarine had a maximum surface speed of 11.7 knots (21.7 km/h; 13.5 mph) and a submerged speed of 6.7 knots (12.4 km/h; 7.7 mph). When submerged, she could operate for 60 nautical miles (110 km; 69 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 9,410 nautical miles (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph). UC-45 was fitted with six 100 centimetres (39 in) mine tubes, eighteen UC 200 mines, three 50 centimetres (20 in) torpedo tubes (one on the stern and two on the bow), seven torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. Her complement was twenty-six crew members.[3]

Summary of raiding history

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Date Name Nationality Tonnage[Note 2] Fate[7]
19 March 1917 Pollux  Norway 1,196 Sunk
22 March 1917 Egenaes  Norway 399 Sunk
22 March 1917 Susanna  Norway 442 Sunk
23 March 1917 Blomwaag  Norway 695 Sunk
17 April 1917 Bretagne  Denmark 1,110 Sunk
17 April 1917 Charles Goodanew  United Kingdom 791 Sunk
18 April 1917 Louisiana  Denmark 3,015 Sunk
26 May 1917 Saint Hubert  France 423 Sunk
28 May 1917 Teie  Norway 1,974 Sunk
4 June 1917 Phemius  United Kingdom 6,699 Sunk
7 June 1917 Golden Hope  United Kingdom 67 Sunk
13 July 1917 Afram  Denmark 43 Sunk

References

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Notes

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  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

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  1. ^ a b c d e f Helgason, Guðmundur. "WWI U-boats: UC 45". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2009.
  2. ^ Tarrant, p. 173.
  3. ^ a b c Gröner 1991, pp. 31–32.
  4. ^ Helgason, Guðmundur. "WWI U-boat commanders: Hubert Aust". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2015.
  5. ^ Helgason, Guðmundur. "WWI U-boat commanders: Hans Soergel". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2015.
  6. ^ Helgason, Guðmundur. "WWI U-boat commanders: Werner Ackermann". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2015.
  7. ^ Helgason, Guðmundur. "Ships hit by UC 45". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 23 February 2015.

Bibliography

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  • 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.

54°9′N 7°35′E / 54.150°N 7.583°E / 54.150; 7.583

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