History | |
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Nazi Germany | |
Name | U-752 |
Ordered | 9 October 1939 |
Builder | Kriegsmarinewerft Wilhelmshaven |
Yard number | 135 |
Laid down | 5 January 1940 |
Launched | 29 March 1941 |
Commissioned | 24 May 1941 |
Fate | Scuttled on 23 May 1943 after air rocket attack in North Atlantic |
General characteristics | |
Class and type | Type VIIC submarine |
Displacement | |
Length |
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Beam |
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Height | 9.60 m (31 ft 6 in) |
Draught | 4.74 m (15 ft 7 in) |
Installed power |
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Propulsion |
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Speed |
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Range | |
Test depth |
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Complement | 4 officers, 40–56 enlisted |
Armament |
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Service record | |
Part of: |
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Identification codes: | M 44 442 |
Commanders: |
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Operations: |
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Victories: |
German submarine U-752 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-752 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. [1] She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft). [1]
The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph). [1] When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-752 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty. [1]
She served with 3rd U-boat Flotilla from 24 May 1941 until 23 May 1943 under the command of Korvettenkapitän Karl-Ernst Schroeter. [2] U-752 completed nine [3] wartime patrols and sank nine ships and damaged one.
Thirty-two days into her ninth patrol, on 23 May 1943, U-752 was attacked by Fairey Swordfish aircraft attached to the British escort carrier HMS Archer in the mid-Atlantic. A Rocket Spear, a new weapon with a solid cast iron head, [4] entered and left the pressure hull leaving large holes, thus preventing the U-boat from diving. At the arrival of enemy surface craft, the surviving crew of 17 scuttled the boat and abandoned ship. [5] This was the first success of the Rocket Spear. U-752 sank with 30 men. Heinz Krey was one of them.
U-752 took part in ten wolfpacks, namely:
Date | Ship Name | Nationality | Tonnage (GRT) | Fate [6] |
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25 August 1941 | T-898 (No 44) | Soviet Navy | 553 | Sunk |
27 August 1941 | RT-8 Seld´ | Soviet Union | 608 | Sunk |
15 November 1941 | T-889 (No 34) | Soviet Navy | 581 | Sunk |
21 April 1942 | West Imboden | United States | 5,751 | Sunk |
23 April 1942 | Reinholt | Norway | 4,799 | Damaged |
1 May 1942 | Bidevind | Norway | 4,956 | Sunk |
23 July 1942 | Garmula | United Kingdom | 5,254 | Sunk |
27 July 1942 | Leikanger | Norway | 4,003 | Sunk |
9 August 1942 | Menanau | Netherlands | 6,047 | Sunk |
13 August 1942 | Cripple Creek | United States | 6,347 | Sunk |
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