SM UB-36

SM UB-36[Note 1] was a German Type UB II submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. The U-boat was ordered on 22 July 1915 and launched on 15 January 1916. She was commissioned into the German Imperial Navy on 22 May 1916 as SM UB-36.

For other ships with the same name, see German submarine U-36.
SM UB-45 a U-boat similar to UB-36
History
German Empire
NameUB-36
Ordered22 July 1915[1]
BuilderBlohm & Voss, Hamburg[1]
Cost1,152,000 German Papiermark[2]
Yard number260[3]
Launched15 January 1916[3]
Completed22 May 1916[3]
Commissioned22 May 1916[2]
FateSunk May 1917
General characteristics [2]
Class and typeGerman Type UB II submarine
Displacement
  • 274 t (270 long tons) surfaced
  • 303 t (298 long tons) submerged
Length
Beam
  • 4.37 m (14 ft 4 in) o/a
  • 3.85 m (12 ft 8 in) pressure hull
Draught3.69 m (12 ft 1 in)
Propulsion
Speed
  • 9.15 knots (16.95 km/h; 10.53 mph) surfaced
  • 5.81 knots (10.76 km/h; 6.69 mph) submerged
Range
  • 6,450 nmi (11,950 km; 7,420 mi) at 5 knots (9.3 km/h; 5.8 mph) surfaced
  • 45 nmi (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement2 officers, 21 men
Armament
Notes42-second diving time
Service record
Part of:
  • Baltic Flotilla
  • 26 June 1916 – 23 February 1917
  • Flandern Flotilla
  • 23 February – 9 May 1917
Commanders:
  • Oblt.z.S. Kurt Albrecht[4]
  • 22 May – 12 December 1916
  • Oblt.z.S. Harald von Keyserlingk[5]
  • 13 December 1916 – 9 May 1917
Operations: 12 patrols
Victories:
  • 7 merchant ships sunk
    (1,584 GRT)
  • 2 merchant ships taken as prize
    (917 GRT)

The submarine sank seven ships in twelve patrols. She herself was sunk in May 1917, but her fate is a matter of dispute. Some sources claim that UB-36 was rammed and presumably sunk by the French steamer SS Molière in the English Channel off Ushant, France, on 21 May 1917.[6] Other sources states that this in fact was SM UC-36 and that UB-36 struck a mine and sank elsewhere.[7]

Design

A German Type UB II submarine, UB-36 had a displacement of 274 tonnes (270 long tons) when at the surface and 303 tonnes (298 long tons) while submerged. She had a total length of 36.90 m (121 ft 1 in), a beam of 4.37 m (14 ft 4 in), and a draught of 3.69 m (12 ft 1 in). The submarine was powered by two Körting six-cylinder diesel engines producing a total 284 metric horsepower (280 shp; 209 kW), two Siemens-Schuckert electric motors producing 280 metric horsepower (210 kW; 280 shp), and one propeller shaft. She was capable of operating at depths of up to 50 metres (160 ft).[2]

The submarine had a maximum surface speed of 9.15 knots (16.95 km/h; 10.53 mph) and a maximum submerged speed of 5.81 knots (10.76 km/h; 6.69 mph). When submerged, she could operate for 45 nautical miles (83 km; 52 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 6,450 nautical miles (11,950 km; 7,420 mi) at 5 knots (9.3 km/h; 5.8 mph). UB-36 was fitted with two 50 centimetres (20 in) torpedo tubes, four torpedoes, and one 8.8 cm (3.5 in) Uk L/30 deck gun. She had a complement of twenty-one crew members and two officers and a 42-second dive time.[2]

Summary of raiding history
Date Name Nationality Tonnage[Note 2] Fate[8]
30 July 1916 Anna  Sweden 172 Sunk
30 July 1916 Pitea  Sweden 644 Captured as prize
1 August 1916 Hudiksvall  Sweden 481 Sunk
1 August 1916 Pehr Brahe  Finland 499 Sunk
18 March 1917 Avance  Norway 273 Captured as prize
1 April 1917 Jolie Brise  France 18 Sunk
1 April 1917 Providence De Dieu  France 15 Sunk
16 April 1917 Marden  United Kingdom 297 Sunk
16 April 1917 Rochester Castle  United Kingdom 102 Sunk

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.
  2. Tonnages are in gross register tons

Citations
  1. Rössler 1979, p. 64.
  2. Gröner 1991, pp. 23–25.
  3. Rössler 1979, p. 65.
  4. Helgason, Guðmundur. "WWI U-boat commanders: Kurt Albrecht". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  5. Helgason, Guðmundur. "WWI U-boat commanders: Harald von Keyserlingk". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 1 February 2015.
  6. Bendert 2000, p. 101.
  7. Helgason, Guðmundur. "WWI U-boats: UB 36". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net.
  8. Helgason, Guðmundur. "Ships hit by UB-36". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 2 February 2015.

Bibliography
  • Bendert, Harald (2000). Die UB-Boote der Kaiserlichen Marine, 1914-1918. Einsätze, Erfolge, Schicksal (in German). Hamburg: Verlag E.S. Mittler & Sohn GmbH. ISBN 3-8132-0713-7.
  • 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.
  • Rössler, Eberhard (1979). U-Bootbau bis Ende des 1. Weltkrieges, Konstruktionen für das Ausland und die Jahre 1935 – 1945. ISBN 3-7637-5213-7. {{cite book}}: |work= ignored (help)
  • Helgason, Guðmundur. "WWI U-boats: UB 36". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 February 2009.

48°42′N 5°14′W

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