German submarine U-655

German submarine U-655 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was the first U-boat sunk in operation against the Arctic convoys.

History
Nazi Germany
NameU-655
Ordered9 October 1939
BuilderHowaldtswerke, Hamburg
Yard number804
Laid down10 August 1940
Launched5 June 1941
Commissioned11 August 1941
FateSunk by ramming on 24 March 1942
General characteristics
Class and typeType VIIC submarine
Displacement
  • 769 t (757 long tons) surfaced
  • 871 t (857 long tons) submerged
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 06 051
Commanders:
  • K.Kapt. Adolf Dumrese
  • 11 August 1941 – 24 March 1942
Operations:
  • 1 patrol:
  • 15 – 24 March 1942
Victories: None
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