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German submarineU-591

From Wikipedia, the free encyclopedia
German World War II submarine
History
Nazi Germany
NameU-591
Ordered16 January 1940
BuilderBlohm & Voss,Hamburg
Yard number567
Laid down30 October 1940
Launched20 August 1941
Commissioned9 October 1941
FateSunk on 30 July 1943 in theSouth Atlantic nearPernambuco in position08°36′S34°34′W / 8.600°S 34.567°W /-8.600; -34.567, by depth charges from a USLockheed Ventura aircraft.
General characteristics
Class & typeType VIICsubmarine
Displacement
Length
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height9.60 m (31 ft 6 in)
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 codesM 37 230
Commanders
  • Kptlt. Hans-Jürgen Zetzsche
  • 9 October 1941 – 8 September 1942
  • Oblt.z.S. Peter Schrewe
  • 9 September – 12 November 1942
  • Kptlt. Hans-Jürgen Zetzsche
  • 12 November 1942 – 17 May 1943
  • Lt.z.S. Joachim Sauerbier
  • 15 – 17 May 1943
  • Oblt.z.S. Reimar Ziesmer
  • 1 June – 30 July 1943
Operations
  • 8 patrols:
  • 1st patrol:
  • 15 January – 20 February 1942
  • 2nd patrol:
  • 1 – 11 April 1942
  • 3rd patrol:
  • a. 10 May – 2 June 1942
  • b. 4 – 7 June 1942
  • 4th patrol:
  • a. 27 July – 14 August 1942
  • b. 22 – 24 August 1942
  • c. 27 August 1942
  • d. 28 – 29 August 1942
  • e. 8 – 9 September 1942
  • f. 11 – 12 September 1942
  • 5th patrol:
  • 1 December 1942 – 12 January 1943
  • 6th patrol:
  • 17 February – 7 April 1943
  • 7th patrol:
  • 12 – 17 May 1943
  • 8th patrol:
  • 26 June – 30 July 1943
Victories
  • 4 merchant ships sunk
    (19,932 GRT)
  • 1 merchant ship damaged
    (5,701 GRT)

German submarineU-591 was aType VIICU-boat built forNazi Germany'sKriegsmarine for service duringWorld War II.She waslaid down on 30 October 1940 byBlohm & Voss,Hamburg as yard number 567,launched on 20 August 1941 andcommissioned on 9 October 1941 underKapitänleutnant Hans-Jürgen Zetzsche.

Design

[edit]

German Type VIIC submarines were preceded by the shorterType VIIB submarines.U-591 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, twoBrown, Boveri & Cie 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-591 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 a2 cm (0.79 in) C/30 anti-aircraft gun. The boat had acomplement of between forty-four and sixty.[2]

Service history

[edit]

The boat's service began on 9 October 1941 with training, followed by active service as part of the6th U-boat Flotilla. She was transferred to the11th Flotilla on 1 July 1942 for active service in theNorth Atlantic operating out ofBergen. The following year, on 1 June 1943, she transferred to9th Flotilla operating ofBrest, France.

In 8 patrols she sank four merchant ships, for a total of 19,932 gross register tons (GRT), plus one merchant ship damaged.

Convoy ONS 154

[edit]

The first victim ofConvoy ONS 154 was the 5,701-GRT Norwegian freighterNorse King, the second in column eleven, on 28 December 1942.U-591 torpedo hit her at 20:04. Badly damaged,Norse King attempted to limp to theAzores but was found byU-435 and sent to the bottom.
U-591’s second success was the badly damaged and abandoned 4,871-GRTUnited Africa Company freighterZarian with a single torpedo, although she missed theBaron Cochrane

Convoy SC 121

[edit]

Having recently returned to sea after a long recovery from gunshot wounds, Hans-Jürgen Zetzsche was on target withConvoy SC 121 when he sighted theEmpire Impala, hove-to picking up survivors from the torpedoedEgyptian, on 7 March 1943. Of the combined crew of 80 men, from bothEgyptian andEmpire Impala, only 3 survived.

Fate

[edit]

U-591 was sunk on 30 July 1943 in theSouth Atlantic nearPernambuco in position08°36′S34°34′W / 8.600°S 34.567°W /-8.600; -34.567; depth charged by a USLockheed Ventura aircraft ofVB-127. There were 19 dead and 28 survivors.

Wolfpacks

[edit]

U-591 took part in ninewolfpacks, namely:

  • Schlei (21 January – 12 February 1942)
  • Bums (6 – 10 April 1942)
  • Greif (14 – 29 May 1942)
  • Nebelkönig (27 July – 13 August 1942)
  • Ungestüm (11 – 30 December 1942)
  • Sturmbock (21 – 26 February 1943)
  • Wildfang (26 February – 5 March 1943)
  • Westmark (6 – 11 March 1943)
  • Seewolf (21 – 30 March 1943)

Summary of raiding history

[edit]
DateShip NameNationalityTonnage
(GRT)
Fate[3]
21 December 1942Montreal CityUnited Kingdom3,066Sunk
28 December 1942Norse KingNorway5,701Damaged
29 December 1942ZarianUnited Kingdom4,871Sunk
7 March 1943Empire ImpalaUnited Kingdom6,116Sunk
8 March 1943Vojvoda PutnikYugoslavia5,879Sunk

References

[edit]
  1. ^Helgason, Guðmundur."The Type VIIC boat U-591".German U-boats of WWII - uboat.net. Retrieved11 June 2014.
  2. ^abcdGröner 1991, pp. 43–46.
  3. ^Helgason, Guðmundur."Ships hit by U-591".German U-boats of WWII - uboat.net. Retrieved11 June 2014.

Bibliography

[edit]

External links

[edit]
Type VIIA
Type VIIB
Type VIIC
Type VIIC/41
Type VIID
Type VIIF
Shipwrecks and maritime incidents in July 1943
Shipwrecks
Other incidents

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