German submarine U-772

Coordinates: 51°16′N 08°05′W / 51.267°N 8.083°W / 51.267; -8.083
Source: Wikipedia, the free encyclopedia.
History
Nazi Germany
NameU-772
Ordered21 November 1940
BuilderKriegsmarinewerft Wilhelmshaven
Yard number155
Laid down21 September 1942
Launched31 October 1943
Commissioned23 December 1943
FateSunk by HMS Nyasaland on 17 December 1944
General characteristics
Class and type
Type VIIC submarine
Displacement
Length
  • 67.10 m (220 ft 2 in)
    o/a
  • 50.50 m (165 ft 8 in)
    pressure hull
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
  • 17.7 knots (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
Part of:
Identification codes: M 14 151
Commanders:
  • Kptlt.
    Ewald Rademacher
  • 23 December 1943 – 17 December 1944
Operations:
  • 2 patrols:
  • 1st patrol:
  • 13 August – 6 October 1944
  • 2nd patrol:
  • 19 November – 17 December 1944
Victories: None

German submarine U-772 was a

.

The U-boat was laid down on 21 September 1942 at the Kriegsmarinewerft Wilhelmshaven (KMW), launched on 31 October 1943, and commissioned on 23 December 1943, commanded by Oberleutnant zur See Ewald Rademacher.[1]

Design

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 Garbe, Lahmeyer & Co. RP 137/c 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 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.[2]

War patrols

After the usual six-month shakedown and training period in the Baltic, U-772 sailed from Trondheim on 13 August 1944 for her first war patrol, which lasted for 55 days out in the North Atlantic, however she had no success.[3]

She sailed from Trondheim on 19 November 1944 on her second patrol, circling the

Colony class frigate HMS Nyasaland in the North Atlantic, south of Cork, in position 51°16′N 08°05′W / 51.267°N 8.083°W / 51.267; -8.083
with the loss of all 48 hands.

References

  1. ^ Helgason, Guðmundur. "The Type VIIC boat U-772". German U-boats of WWII - uboat.net. Retrieved 26 August 2009.
  2. ^ a b c d Gröner 1991, pp. 43–46.
  3. ^ Helgason, Guðmundur. "War Patrols by German U-boat U-772". German U-boats of WWII - uboat.net. Retrieved 26 August 2009.

Bibliography

External links