German submarine U-750

U-750
History
Nazi Germany
Ordered: 25 August 1941[1]
Builder: Schichau-Werke, Danzig
Yard number: 1560
Laid down: 29 September 1942[1]
Launched: 10 June 1943[1]
Commissioned: 26 August 1943[1]
Status: Scuttled on 5 May 1945[1]
General characteristics
Class and type: German Type VIIC submarine
Displacement:
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length:
  • Overall: 67.10 m (220.1 ft)
  • Pressure hull: 50.50 m (165.7 ft)
Beam:
  • Overall: 6.20 m (20.3 ft)
  • Pressure hull: 4.70 m (15.4 ft)
Draught: 4.74 m (15.6 ft)
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:
  • Surfaced: 17.7 knots (32.8 km/h; 20.4 mph)
  • Submerged: 7.6 knots (14.1 km/h; 8.7 mph)
Range:
  • Surfaced: 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph)
  • Submerged: 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph)
Test depth: Calculated crush depth: 220 m (720 ft)
Complement: 4 officers, 40–56 enlisted
Armament:
Service record
Part of:
Commanders:
  • Oblt.z.S. Georg von Bitter[1] September 1943 – 31 August 1944
  • Oblt.z.S. Justus Grawert [1] 1 September 1944 – 1 May 1945
Operations: 0 patrols[1]

German submarine U-750 was a German Type VIIC submarine U-boat built for Nazi Germany's Kriegsmarine for service during World War II.[1]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-750 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 460/8–27 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-750 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 an anti-aircraft gun. The boat had a complement of between forty-four and sixty.[2]

Service history

Work on U-750 began on 29 September 1942 as yard number 1560 of the F Schichau GmbH in the former Free City of Danzig. She was commissioned on 26 August 1943, under the command of Oblt.z.S. Georg von Bitter and trained with the 24th U-boat Flotilla until 1 April 1945. By 31 August 1944 however, Oblt.z.S. Bitter was replaced by Oblt.z.S. Justus Grawert, who would command her for the rest of her service career.

On 1 April 1945, U-750 was moved to the 5th Uboat Flotilla, but remained as a training boat until her surrender to the Allies in May.

References

  1. 1 2 3 4 5 6 7 8 9 10 11 Helgason, Guðmundur. "The Type VIIC boat U-750". German U-boats of WWII - uboat.net. Retrieved 2010-03-17.
  2. 1 2 3 4 Gröner 1991, pp. 43-46.

Bibliography

  • Busch, Rainer; Röll, Hans-Joachim (1999). German U-boat commanders of World War II : a biographical dictionary. Translated by Brooks, Geoffrey. London, Annapolis, Md: Greenhill Books, Naval Institute Press. ISBN 1-55750-186-6. 
  • Busch, Rainer; Röll, Hans-Joachim (1999). Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 [German U-boat losses from September 1939 to May 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. 

External links

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