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German submarineU-629

Coordinates:48°34′N05°23′W / 48.567°N 5.383°W /48.567; -5.383
From Wikipedia, the free encyclopedia
German World War II submarine
History
Nazi Germany
NameU-629
Ordered15 August 1940
BuilderBlohm & Voss,Hamburg
Yard number605
Laid down23 August 1941
Launched12 May 1942
Commissioned2 July 1942
FateSunk on 7 June 1944 in theEnglish Channel, in position48°34′N05°23′W / 48.567°N 5.383°W /48.567; -5.383, by depth charges from a RAFLiberator.
General characteristics
Class and typeType VIICsubmarine
Displacement
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Draught4.74 m (15 ft 7 in)
Installed power
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
Speed
  • 17.7knots (32.8 km/h; 20.4 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement4 officers, 40–56 enlisted
Armament
Service record[1]
Part of:
Identification codes:M 07 337
Commanders:
  • Oblt.z.S. Hans-Helmuth Bugs
  • 2 July 1942 – 7 June 1944
Operations:
  • 11 patrols:
  • 1st patrol:
  • a. 23 December 1942 – 29 January 1943
  • b. 31 January – 3 February 1943
  • 2nd patrol:
  • 24 February – 15 March 1943
  • 3rd patrol:
  • a. 30 March – 29 April 1943
  • b. 3 – 7 July 1943
  • 4th patrol:
  • a. 8 – 16 July 1943
  • b. 16 – 17 July 1943
  • c. 17 July 1943
  • 5th patrol:
  • a. 19 – 31 July 1943
  • b. 4 – 6 August 1943
  • 6th patrol:
  • a. 7 – 19 August 1943
  • b. 24 – 25 August 1943
  • 7th patrol:
  • a. 26 August – 17 September 1943
  • b. 18 – 21 September 1943
  • 8th patrol:
  • 22 November 1943 – 5 January 1944
  • 9th patrol:
  • 5 – 7 March 1944
  • 10th patrol:
  • 9 – 15 March 1944
  • 11th patrol:
  • 6 – 7 June 1944
Victories:None

German submarineU-629 was aType VIICU-boat built forNazi Germany'sKriegsmarine for service duringWorld War II.She waslaid down on 23 August 1941 byBlohm & Voss,Hamburg as yard number 605,launched on 12 May 1942 andcommissioned on 2 July 1942 underOberleutnant zur See Hans-Helmuth Bugs.

Design

[edit]

German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-629 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), apressure hull length of 50.50 m (165 ft 8 in), abeam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and adraught of 4.74 m (15 ft 7 in). The submarine was powered by twoGermaniawerft F46 four-stroke, six-cylindersuperchargeddiesel 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, twoBBC GG UB 720/8double-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-629 was fitted with five 53.3 cm (21 in)torpedo tubes (four fitted at the bow and one at the stern), fourteentorpedoes, one8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and one twin2 cm (0.79 in) C/30anti-aircraft gun. The boat had acomplement of between forty-four and sixty.[2]

Service history

[edit]

The boat's career began with training at5th U-boat Flotilla on 2 July 1942, followed by active service on 1 December 1942 as part of the11th Flotilla. After eleven months she transferred to1st Flotilla and stayed for the remainder of her service. In 11 patrols she sank no ships.[3] During the eight patrol, on 4 January 1944 she was strafed and damaged in the Bay of Biscay by Wellington bomber fromNo. 304 Polish Bomber Squadron, but managed to return to Brest.[4]

Wolfpacks

[edit]

U-629 took part in sevenwolfpacks, namely:

  • Nordwind (24 – 28 January 1943)
  • Nordwind (31 January – 2 February 1943)
  • Taifun (2 – 4 April 1943)
  • Coronel (4 – 8 December 1943)
  • Coronel 1 (8 – 14 December 1943)
  • Coronel 2 (14 – 17 December 1943)
  • Amrum (18 – 23 December 1943)

Fate

[edit]

U-629 was sunk on 7 June 1944 in theEnglish Channel in position48°34′N05°23′W / 48.567°N 5.383°W /48.567; -5.383, by depth charges from a RAFLiberator of53 Squadron. All hands were lost.

References

[edit]
  1. ^Helgason, Guðmundur."The Type VIIC boat U-629".German U-boats of WWII - uboat.net. Retrieved11 November 2014.
  2. ^abcdGröner 1991, pp. 43–46.
  3. ^Busch & Röll 1999.
  4. ^Helgason, Guðmundur:U-629

Bibliography

[edit]

External links

[edit]
Type VIIA
Type VIIB
Type VIIC
Type VIIC/41
Type VIID
Type VIIF
Shipwrecks and maritime incidents in June 1944
Shipwrecks
Other incidents

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