SM UC-28

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History
War Ensign of Germany 1903-1918.svg German Empire
NameUC-28
Ordered29 August 1915 [1]
Builder AG Vulcan, Hamburg [2]
Yard number67 [1]
Launched8 July 1916 [1]
Commissioned6 August 1916 [1]
FateSurrendered, 12 February 1919; broken up [1]
General characteristics [3]
Class and type Type 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 0 in) pressure hull
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 11.6 knots (21.5 km/h; 13.3 mph), surfaced
  • 6.6 knots (12.2 km/h; 7.6 mph), submerged
Range
  • 9,410  nmi (17,430 km; 10,830 mi) at 7 knots (13 km/h; 8.1 mph), surfaced
  • 53 nmi (98 km; 61 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:
  • Training Flotilla
  • Unknown – 11 November 1918
Commanders:
  • Oblt.z.S. Theodor Schultz [4]
  • 6 August 1916 - Unknown
Operations: No patrols
Victories: None

SM UC-28 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 29 August 1915 and was launched on 8 July 1916. She was commissioned into the German Imperial Navy on 6 August 1916 as SM UC-28. [Note 1] In 0 patrols UC-28 sank no ships. UC-28 surrendered to France on 12 February 1919 and was broken up. [1]

Contents

Design

A Type UC II submarine, UC-28 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 11.6 knots (21.5 km/h; 13.3 mph) and a submerged speed of 6.7 knots (12.4 km/h; 7.7 mph). When submerged, she could operate for 53 nautical miles (98 km; 61 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-28 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.

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SM UC-67 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 12 January 1916 and was launched on 6 August 1916. She was commissioned into the German Imperial Navy on 10 December 1916 as SM UC-67. In eleven patrols UC-67 was credited with sinking 54 ships, either by torpedo or by mines laid. UC-67 was surrendered on 16 January 1919 and broken up at Brighton Ferry in 1919 – 20.

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SM UC-74 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 12 January 1916 and was launched on 19 October 1916. She was commissioned into the German Imperial Navy on 26 November 1916 as SM UC-74. In ten patrols UC-74 was credited with sinking 37 ships, either by torpedo or by mines laid. UC-74 was interned at Barcelona on 21 November 1918 when she ran out of fuel. The U-boat was surrendered to France on 26 March 1919 and was broken up at Toulon in July 1921.

SM UC-76 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 12 January 1916 and was launched on 25 November 1916. She was commissioned into the German Imperial Navy on 17 December 1916 as SM UC-76. In two patrols UC-76 was credited with sinking 15 ships, either by torpedo or by mines laid. UC-76 was surrendered on 1 December 1918 and broken up at Brighton Ferry in 1919 – 20.

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SM UC-79 was a German Type UC II minelaying submarine or U-boat in the German Imperial Navy during World War I.

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. 1 2 3 4 5 6 Helgason, Guðmundur. "WWI U-boats: UC 28". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 22 February 2009.
  2. ↑ Tarrant, p. 173.
  3. 1 2 Gröner 1991, pp. 31–32.
  4. ↑ Helgason, Guðmundur. "WWI U-boat commanders: Theodor Schultz". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 March 2015.

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.
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