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German World War II submarine From Wikipedia, the free encyclopedia
German submarine U-434 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
History | |
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Name | U-434 |
Ordered | 23 September 1939 |
Builder | Schichau-Werke, Danzig |
Yard number | 1475 |
Laid down | 20 January 1940 |
Launched | 15 March 1941 |
Commissioned | 21 June 1941 |
Fate | Sunk on 18 December 1941 |
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 43 633 |
Commanders: |
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Operations: |
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Victories: | None |
The U-boat was laid down on 20 January 1940 at the Schichau-Werke yard, Danzig, launched on 15 March 1941, and commissioned on 21 June 1941, Kapitänleutnant Wolfgang Heyda commanding.[1]
U-434 sailed from Kristiansand, Norway on 2 November 1941, on her only war patrol. On 18 December, U-434 was sunk in the North Atlantic north of Madeira, Portugal, in position 36°15′N 15°48′W. The U-boat was forced to the surface by depth charges from the British escort destroyer HMS Blankney and the destroyer HMS Stanley. There were two dead and 42 survivors.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-434 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] 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 AEG GU 460/8-276 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).[2]
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).[2] 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-434 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.[2]
U-434 took part in two wolfpacks, namely:
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