German submarine U-792

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History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-792
Ordered19 June 1942
Builder Blohm & Voss, Hamburg
Yard number455
Laid down1 December 1942
Launched28 September 1943
Commissioned16 November 1943
FateScuttled on 4 May 1945
General characteristics
Class and type Type XVIIA submarine
Displacement
  • 277  t (273 long tons) surfaced
  • 309 t (304 long tons) submerged
  • 373 t (367 long tons) total
Length
Beam
  • 4.50 m (14 ft 9 in) o/a
  • 3.30 m (10 ft 10 in) pressure hull
Draught4.30 m (14 ft 1 in)
Propulsion
Speed
  • 9 knots (17 km/h; 10 mph) surfaced
  • 5 knots (9.3 km/h; 5.8 mph) submerged (electric drive)
  • 25 knots (46 km/h; 29 mph) submerged (HTP drive)
Range
  • 2,910  nmi (5,390 km; 3,350 mi) at 8.5 knots (15.7 km/h; 9.8 mph) surfaced
  • 50 nmi (93 km; 58 mi) at 2 knots (3.7 km/h; 2.3 mph) submerged (electric drive)
  • 127 nmi (235 km; 146 mi) at 20 knots (37 km/h; 23 mph) submerged (HTP drive)
Complement12
Armament
Service record
Part of:
Identification codes: M 52 456
Commanders:
  • Lt.z.S. / Oblt.z.S. Horst Heitz
  • 16 November 1943 – December 1944
  • Oblt.z.S. Hans Diederich Duis
  • December 1944 – 4 May 1945
Operations: None
Victories: None

German submarine U-792 was a Type XVIIA U-boat of Nazi Germany's Kriegsmarine during the Second World War. She was one of a small number of U-boats fitted with Hellmuth Walter's high test peroxide propulsion system, which offered a combination of air-independent propulsion and high submerged speeds. She spent the war as a trials vessel and was scuttled on 4 May 1945 in the Audorfer See, near Rendsburg. [1]

Contents

Construction

The U-792 was laid down on 1 December 1942 at the Blohm & Voss shipyard in Hamburg, Germany. She was launched on 28 September 1943 and commissioned on 16 November 1943 under the command of Oberleutnant zur See Horst Heitz. [1]

When she was completed, the submarine was 39.05 metres (128 ft 1 in) long overall, with a beam of 4.50 metres (14 ft 9 in) and a draught of 4.30 metres (14 ft 1 in). She was assessed at 309 t (304 long tons) submerged. The submarine was powered by one Deutz SAA SM517 supercharged 8-cylinder four-stroke diesel engine producing a total of 210 metric horsepower (150 kW; 210 shp) for use while surfaced and two Walter gas turbines producing a total of 5,000 metric horsepower (3,700 kW; 4,900 shp) for use while submerged. She had one shaft and one 1.23 m (4 ft) propeller. The submarine had a maximum surface speed of 9 knots (17 km/h; 10 mph) and a maximum submerged speed of 25 knots (46 km/h; 29 mph) when submerged, the U-boat could operate for 127 nautical miles (235 km; 146 mi) at 20 knots (37 km/h; 23 mph) and when surfaced, she could travel 1.840 nautical miles (3.408 km; 2.117 mi) at 9 knots (17 km/h; 10 mph). [2]

The submarine was fitted with two 53.3 cm (21 in) torpedo tubes (All fitted at the bow) and four torpedoes. The boat had a complement of 12 men. [2] [3]

Service History And End

U-792 did not undertake any combat patrols and was instead assigned as a trials boat at first to the 5th U-boat Flotilla, followed by the 8th U-boat Flotilla, before returning to the 5th flotilla for the rest of the war and was used in March 1945 as a floating fuel bunker. In December 1944, her commander was replaced by Oberleutnant zur See Hans Diederich Duis. [4]

The U-792 was scuttled on 4 May 1945 at 01:30 in the Audorfer See (Kaiser Wilhelm Canal), near Rendsburg during Operation Regenbogen. [1]

Wreck

The wreck of U-792 lay at 54°19′N09°43′E / 54.317°N 9.717°E / 54.317; 9.717 until 26 May 1945, when she was lifted by the British and taken to the Howaldtswerke in Kiel to be examined. She was first raised as a British prize and used for trials, but was soon torn down for parts and finally scrapped. [4]

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References

  1. 1 2 3 Helgason, Guðmundur (1995). "U-792". German U-boats of WWII - uboat.net. Retrieved 8 April 2016.
  2. 1 2 Gröner 1991, pp. 80–81.
  3. ↑ "U-792 (+1945)". wrecksite.eu. 29 November 2009. Retrieved 8 April 2016.
  4. 1 2 Hofmann, Markus (21 September 2014). "U-792". Deutsche U-Boote 1935-1945 - u-boot-archiv.de (in German). Retrieved 8 April 2016.

Bibliography

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