German submarine U-11 (1935)

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For other ships with the same name, see German submarine U-11.
U-9 IWM HU 1012.jpg
U-9, a typical Type IIB boat
History
Nazi Germany
Name: U-11
Ordered: 20 July 1934
Builder: Germaniawerft, Kiel
Yard number: 545
Laid down: 6 May 1935
Launched: 27 August 1935
Commissioned: 21 September 1935
Struck: 5 January 1945, Kiel
Fate: Scuttled: 2 May 1945, Kiel Arsenal
General characteristics
Class & type: IIB coastal submarine
Displacement:
  • 279 t (275 long tons) surfaced
  • 328 t (323 long tons) submerged
Length:
Beam:
  • 4.08 m (13 ft 5 in) (o/a)
  • 4.00 m (13 ft 1 in) (pressure hull)
Height: 8.60 m (28 ft 3 in)
Draught: 3.90 m (12 ft 10 in)
Installed power:
  • 700 PS (510 kW; 690 bhp) (diesels)
  • 410 PS (300 kW; 400 shp) (electric)
Propulsion:
Range:
  • 1,800 nmi (3,300 km; 2,100 mi) at 12 knots (22 km/h; 14 mph) surfaced
  • 35–43 nmi (65–80 km; 40–49 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth: 80 m (260 ft)
Complement: 3 officers, 22 men
Armament:
  • 3 × 53.3 cm (21 in) torpedo tubes
  • 5 × torpedoes or up to 12 TMA or 18 TMB
  • 1 × 2 cm (0.79 in) anti-aircraft gun
Service record
Part of:
Identification codes: M 27 219
Commanders:
Operations: None
Victories: None

German submarine U-11 was a Type IIB U-boat built before World War II for service in Nazi Germany's Kriegsmarine. She was commissioned on 21 September 1935, with Kapitänleutnant Hans-Rudolf Rösing in command. She served in several training flotillas in her 10-year career, but sank or damaged no ships.

U-11 was the first to carry out sea trials in 1940 of a new anechoic tile, which was developed by the Kriegsmarine to reduce a submarines' acoustic signature. It was codenamed Alberich after the invisible sorcerer from Germanic Mythology.

Design

German Type IIB submarines were enlarged versions of the original Type IIs. U-11 had a displacement of 279 tonnes (275 long tons) when at the surface and 328 tonnes (323 long tons) while submerged. Officially, the standard tonnage was 250 long tons (250 t), however.[1] The U-boat had a total length of 42.70 m (140 ft 1 in), a pressure hull length of 28.20 m (92 ft 6 in), a beam of 4.08 m (13 ft 5 in), a height of 8.60 m (28 ft 3 in), and a draught of 3.90 m (12 ft 10 in). The submarine was powered by two MWM RS 127 S four-stroke, six-cylinder diesel engines of 700 metric horsepower (510 kW; 690 shp) for cruising, two Siemens-Schuckert PG VV 322/36 double-acting electric motors producing a total of 460 metric horsepower (340 kW; 450 shp) for use while submerged. She had two shafts and two 0.85 m (3 ft) propellers. The boat was capable of operating at depths of up to 80–150 metres (260–490 ft).[1]

The submarine had a maximum surface speed of 12 knots (22 km/h; 14 mph) and a maximum submerged speed of 7 knots (13 km/h; 8.1 mph).[1] When submerged, the boat could operate for 35–42 nautical miles (65–78 km; 40–48 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 3,800 nautical miles (7,000 km; 4,400 mi) at 8 knots (15 km/h; 9.2 mph). U-11 was fitted with three 53.3 cm (21 in) torpedo tubes at the bow, five torpedoes or up to twelve Type A torpedo mines, and a 2 cm (0.79 in) anti-aircraft gun. The boat had a complement of twentyfive.[1]

Fate

The U-boat was scuttled on 3 May 1945 in Kiel. The wreck was broken up.

References

  1. ↑ 1.0 1.1 1.2 1.3 Gröner 1991, pp. 39–40.

Bibliography

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External links

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