History | |
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German Empire | |
Name | U-37 |
Ordered | 12 June 1912 |
Builder | Germaniawerft, Kiel |
Yard number | 197 |
Laid down | 2 January 1913 |
Launched | 25 August 1914 |
Commissioned | 9 December 1914 |
Fate | Struck mine on 30 April 1915 in Straits of Dover |
General characteristics | |
Class and type | German Type U 31 submarine |
Displacement | |
Length |
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Beam |
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Draught | 3.56 m (11 ft 8 in) |
Installed power |
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Propulsion |
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Speed |
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Range |
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Test depth | 50 m (164 ft 1 in) |
Boats & landing craft carried | 1 dinghy |
Complement | 4 officers, 31 enlisted |
Armament |
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Service record | |
Part of: |
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Commanders: |
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Operations: | 1 patrol |
Victories: |
SM U-37 [Note 1] was one of the 329 submarines serving in the Imperial German Navy in World War I. U-37 was engaged in naval warfare and took part in the First Battle of the Atlantic.
German Type U 31 submarines were double-hulled ocean-going submarines similar to Type 23 and Type 27 subs in dimensions and differed only slightly in propulsion and speed. They were considered very good high sea boats with average manoeuvrability and good surface steering. [2]
U-37 had an overall length of 64.70 m (212 ft 3 in), her pressure hull was 52.36 m (171 ft 9 in) long. The boat's beam was 6.32 m (20 ft 9 in) (o/a), while the pressure hull measured 4.05 m (13 ft 3 in). Type 31s had a draught of 3.56 m (11 ft 8 in) with a total height of 7.68–8.04 m (25 ft 2 in – 26 ft 5 in). The boats displaced a total of 971 tonnes (956 long tons); 685 t (674 long tons) when surfaced and 878 t (864 long tons) when submerged. [2]
U-37 was fitted with two Germania 6-cylinder two-stroke diesel engines with a total of 1,850 metric horsepower (1,361 kW ; 1,825 bhp ) for use on the surface and two Siemens-Schuckert double-acting electric motors with a total of 1,200 PS (883 kW; 1,184 shp) for underwater use. These engines powered two shafts each with a 1.60 m (5 ft 3 in) propeller, which gave the boat a top surface speed of 16.4 knots (30.4 km/h; 18.9 mph), and 9.7 knots (18.0 km/h; 11.2 mph) when submerged. Cruising range was 8,790 nautical miles (16,280 km; 10,120 mi) at 8 knots (15 km/h; 9.2 mph) on the surface, and 80 nmi (150 km; 92 mi) at 5 knots (9.3 km/h; 5.8 mph) under water. Diving depth was 50 m (164 ft 1 in). [2]
The U-boat was armed with four 50 cm (20 in) torpedo tubes, two fitted in the bow and two in the stern, and carried 6 torpedoes. Additionally U-37 was equipped in 1915 with two 8.8 cm (3.5 in) Uk L/30 deck guns. The boat's complement was 4 officers and 31 enlisted. [2]
Date | Name | Nationality | Tonnage [Note 2] | Fate [3] |
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25 March 1915 | Delmira | United Kingdom | 3,459 | Damaged |
31 March 1915 | Emma | France | 1,617 | Sunk |
1 April 1915 | Seven Seas | United Kingdom | 1,194 | Sunk |
SM U-83 was a Type U 81 U-boat of the German Imperial Navy during the First World War. She had been commissioned and deployed to operate off the coast of the British Isles and attack coastal shipping as part of the German U-boat campaign.
SM U-86 was a Type U 81 submarine manufactured in the Germaniawerft, Kiel shipyard for the German Empire during World War I.
SM UB-30 was a German Type UB II submarine or U-boat in the German Imperial Navy during World War I. The U-boat was ordered on 22 July 1915 and launched on 16 November 1915. She was commissioned into the German Imperial Navy on 18 March 1916 as SM UB-30.
SM UB-36 was a German Type UB II submarine or U-boat in the German Imperial Navy 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.
SM UC-20 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 29 August 1915 and was launched on 1 April 1916. She was commissioned into the German Imperial Navy on 7 September 1916 as SM UC-20. In 13 patrols UC-20 was credited with sinking 21 ships, either by torpedo or by mines laid. UC-20 was surrendered on 16 January 1919 and broken up at Preston in 1919–20.
SM U-34 was a German U-boat of World War I. Launched on 9 May 1914, U-34 sank a total of 119 ships during 17 combat patrols, while damaging another 5 ships. The vessel had three commanders during its time: Kptlt. Claus Rucker, Kptlt. Johannes Klasing, Kptlt. Wilhelm Canaris, and Klasing again, in that order. On 18 October 1918, U-34 sailed for the last time, disappearing with all 38 crew members lost. Although it was claimed that she was depth charged and sunk near Gibraltar by HMS Privet on 9 November 1918, it is believed that the U-boat had been lost prior to that, but it has never been confirmed one way or the other.
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