German submarine U-513

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Type IXC boat U-505
U-505, a typical Type IXC boat
History
Nazi Germany
Name: U-513
Ordered: 14 February 1940
Builder: Deutsche Werft, Hamburg
Yard number: 309
Laid down: 26 April 1941
Launched: 29 October 1941
Commissioned: 10 January 1942
Fate: Sunk by aircraft, 19 July 1943[1]
General characteristics
Class and type: Type IXC submarine
Displacement:
  • 1,120 t (1,100 long tons) surfaced
  • 1,232 t (1,213 long tons) submerged
Length:
Beam:
  • 6.76 m (22 ft 2 in) o/a
  • 4.40 m (14 ft 5 in) pressure hull
Height: 9.60 m (31 ft 6 in)
Draught: 4.70 m (15 ft 5 in)
Installed power:
  • 4,400 PS (3,200 kW; 4,300 bhp) (diesels)
  • 1,000 PS (740 kW; 990 shp) (electric)
Propulsion:
Speed:
  • 18.3 knots (33.9 km/h; 21.1 mph) surfaced
  • 7.7 knots (14.3 km/h; 8.9 mph) submerged
Range:
  • 13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 230 m (750 ft)
Complement: 4 officers, 44 enlisted
Armament:
Service record[2][3]
Part of:
Commanders:
Operations: 1st patrol: 15 August – 2 October 1942
Victories:
  • Six ships sunk for a total of 29,940 GRT
  • Two ships damaged for a total of 13,177 GRT

U-513 was a type IXC U-boat built for service in Nazi Germany's Kriegsmarine during World War II.

She was laid down on 26 May 1941 by the naval construction firm Deutsche Werft AG in Hamburg as yard number 309, and commissioned on 10 January 1942. Her commanders were Korvettenkapitän Rolf Rüggeberg (January 1942 to April 1943) and Kapitänleutnant Friedrich Guggenberger (15 May to 19 July 1943). Her training period was from 10 January 1942 to 31 August, as part of the 4th U-boat Flotilla. She was then assigned to the 10th U-boat Flotilla for operations.

She sank six ships with a total tonnage of 29,940 gross register tons (GRT) and damaged two more with a total tonnage of 13,177 GRT. The boat was a member of two wolfpacks. She was sunk by depth charges from a US aircraft in the South Atlantic Ocean in July 1943.

In 2011 after nine years research and two years of seagoing searches, the expedition led by the explorers of Schurmann Family located U-513, 85 km (46 nmi) east of their hometown of Florianópolis. The find was announced worldwide on 17 June 2011, when the Schürmanns produced images of a Side-scanning sonar. A dive was made in 2012, where photos and video images were recorded.

Design[edit]

German Type IXC submarines were slightly larger than the original Type IXBs. U-513 had a displacement of 1,120 tonnes (1,100 long tons) when at the surface and 1,232 tonnes (1,213 long tons) while submerged.[4] The U-boat had a total length of 76.76 m (251 ft 10 in), a pressure hull length of 58.75 m (192 ft 9 in), a beam of 6.76 m (22 ft 2 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.70 m (15 ft 5 in). The submarine was powered by two MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of 4,400 metric horsepower (3,240 kW; 4,340 shp) for use while surfaced, two Siemens-Schuckert 2 GU 345/34 double-acting electric motors producing a total of 1,000 shaft horsepower (1,010 PS; 750 kW) for use while submerged. She had two shafts and two 1.92 m (6 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).[4]

The submarine had a maximum surface speed of 18.3 knots (33.9 km/h; 21.1 mph) and a maximum submerged speed of 7.3 knots (13.5 km/h; 8.4 mph).[4] When submerged, the boat could operate for 63 nautical miles (117 km; 72 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 13,450 nautical miles (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph). U-513 was fitted with six 53.3 cm (21 in) torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one 10.5 cm (4.13 in) SK C/32 naval gun, 180 rounds, and a 3.7 cm (1.5 in) as well as a 2 cm (0.79 in) anti-aircraft gun. The boat had a complement of forty-eight.[4]

Service history[edit]

1st patrol[edit]

U-513's first patrol began when she departed Kiel on 7 August 1942 and headed for the Atlantic by way of the gap between Iceland and the Faeroe Islands. Her first two successes came in Conception Bay near Bell Island, Newfoundland on 5 September. She arrived in Lorient, in occupied France on 22 October.

2nd patrol[edit]

Her second sortie took her far out into mid-Atlantic, but she returned to her French base empty-handed. The captain was replaced with the young captain Friedrich Guggenberger.

3rd patrol[edit]

Her third and last foray saw her close to the Brazilian coast. She was sunk southeast of São Francisco do Sul, Santa Catarina state on 19 July 1943 by a US Navy Mariner from Patrol Squadron VP-74. 46 men died; there were seven survivors, including her captain, Friedrich Guggenberger.

Wolfpacks[edit]

U-513 took part in two wolfpacks, namely.

  • Unverzagt (12–19 March 1943)
  • Seeräuber (25–30 March 1943)

Summary of raiding history[edit]

Date Name Nationality Tonnage
(GRT)
Deaths Fate
5 September 1942 Lord Strathcona  Canada 7,335 0 Sunk
5 September 1942 Saganaga  United Kingdom 5,454 30 Sunk
29 September 1942 Ocean Vagabond  United Kingdom 7,174 1 Damaged
21 June 1943 Venezia  Sweden 1,673 0 Sunk
25 June 1943 Eagle  United States 6,003 0 Damaged
1 July 1943 Tutoya  Brazil 1,125 7 Sunk
3 July 1943 Elihu B. Washburne  United States 7,176 0 Sunk
16 July 1943 Richard Caswell  United States 7,177 9 Sunk

Discovery[edit]

The wreck was found on 14 July 2011, at a depth of 75 m (246 ft), by Brazilian underwater archeologists from the Instituto Kat Schurmann and the Universidade do Vale do Itajaí (Univali). The search for U-513 was conducted with a sail boat and took two years. Another 10 German submarines remained to be discovered in Brazilian coastal waters.

U-513 Found/Underwater Footage[edit]

A Brazilian project has searched Brazilian waters for the sunken U-513.[5] She was finally found in 2011, and the first underwater videos of the boat were released in March 2012.

References[edit]

  1. ^ Kemp 1999, pp. 132-133.
  2. ^ Helgason, Guðmundur. "The Type IXC boat U-513". German U-boats of WWII - uboat.net. Retrieved 16 July 2011. 
  3. ^ Helgason, Guðmundur. "War Patrols by German U-boat U-513". German U-boats of WWII - uboat.net. Retrieved 16 July 2011. 
  4. ^ a b c d Gröner 1991, p. 68.
  5. ^ U-513

Bibliography[edit]

  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945. Der U-Boot-Krieg (in German). IV. Hamburg, Berlin, Bonn: Mittler. ISBN 3-8132-0514-2. 
  • Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. German Warships 1815–1945. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN 0-85177-593-4. 
  • Kemp, Paul (1999). U-Boats Destroyed - German Submarine Losses in the World Wars. London: Arms & Armour. ISBN 1-85409-515-3. 

External links[edit]

  • Helgason, Guðmundur. "The Type IXC boat U-513". German U-boats of WWII - uboat.net. Retrieved 16 July 2011. 
  • Hofmann, Markus. "U 513". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 1 February 2015. 

Coordinates: 27°17′S 47°32′W / 27.283°S 47.533°W / -27.283; -47.533