German submarine U-1170

Last updated

U995 2004 1.jpg
U-995 Type VIIC/41 at the Laboe Naval Memorial. This U-boat is almost identical to U-1170.
History
War ensign of Germany (1938-1945).svg Nazi Germany
NameU-1170
Ordered2 April 1942
Builder Danziger Werft AG, Danzig
Yard number142
Laid down30 April 1943
Launched14 October 1943
Commissioned1 March 1944
FateScuttled on 2 May 1945
General characteristics
Type Type VIIC/41 submarine
Displacement
  • 757 long tons (769  t) surfaced
  • 857 long tons (871 t) submerged
Length
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 × diesel engines
  • 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
  • 250 m (820 ft)
  • Calculated crush depth: 250–295 m (820–968 ft)
Complement44-52 officers & ratings
Armament
Service record
Part of:
Identification codes: M 50 530
Commanders:
Operations: None
Victories: None

German submarine U-1170 was a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine during World War II.

Contents

She was ordered on 2 April 1942, and was laid down on 30 April 1943, at Danziger Werft AG, Danzig, as yard number 142. She was launched on 14 October 1943, and commissioned under the command of Oberleutnant zur See Friedrich Justi on 1 March 1944. [2]

Design

German Type VIIC/41 submarines were preceded by the heavier Type VIIC submarines. U-1170 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. 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), an overall 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 SSW GU 343/38-8 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). [3]

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). 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-1170 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA or TMB Naval mines, one 8.8 cm (3.46 in) SK C/35 naval gun, (220 rounds), one 3.7 cm (1.5 in) Flak M42 and two 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and fifty-two. [3]

Service history

On 2 May 1945, U-1170 was scuttled off Travemünde at 53°59′N10°56′E / 53.983°N 10.933°E / 53.983; 10.933 . The wreck was later broken up. [2]

See also

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References

  1. Helgason, Guðmundur. "Friedrich Justi". German U-boats of WWII - uboat.net. Retrieved 29 March 2016.
  2. 1 2 Helgason, Guðmundur. "U-1170". German U-boats of WWII - uboat.net. Retrieved 29 March 2016.
  3. 1 2 Gröner 1991, pp. 43–44.

Bibliography