U 570.jpg
U-570 Type VIIC submarine that was captured by the British in 1941. This U-boat is almost identical to U-907.
History
Nazi Germany
Name: U-907
Ordered: 6 August 1942
Builder: H. C. Stülcken Sohn, Hamburg
Yard number: 804
Laid down: 1 April 1943
Launched: 1 March 1944
Commissioned: 18 May 1944
Fate: Surrendered on 9 May 1945
Status: Sunk 7 December 1945
General characteristics
Class and type: Type VIIC submarine
Displacement:
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length:
Beam:
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Height: 9.60 m (31 ft 6 in)
Draught: 4.74 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:
  • 220 m (720 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement: 4 officers, 44–52 enlisted
Armament:
Service record
Part of:
Commanders:
Operations: 2 patrols
Victories: None

German submarine U-907 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.

She was ordered on 6 August 1942, and was laid down on 1 April 1943 at H. C. Stülcken Sohn, Hamburg, as yard number 804. She was launched on 1 March 1944 and commissioned under the command of Oberleutnant zur See Servais Cabolet on 18 May 1944.[2]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-907 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[3] 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 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).[3] 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-907 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 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 twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between 44 — 52 men.[3]

Service history

On 9 May 1945, U-907 surrendered at Bergen, Norway. She was later transferred to Loch Ryan, Scotland on 2 June 1945. Of the 156 U-boats that eventually surrendered to the Allied forces at the end of the war, U-907 was one of 116 selected to take part in Operation Deadlight. U-907 was towed out on 7 December 1945, and sunk.[2]

The wreck is located at 55°17′N 05°29′W / 55.283°N 5.483°W / 55.283; -5.483Coordinates: 55°17′N 05°29′W / 55.283°N 5.483°W / 55.283; -5.483.[2]

References

  1. ^ Helgason, Guðmundur. "Servais Cabolet". German U-boats of WWII - uboat.net. Retrieved 5 April 2016.
  2. ^ a b c Helgason, Guðmundur. "U-907". German U-boats of WWII - uboat.net. Retrieved 5 April 2016.
  3. ^ a b c d 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

  • Helgason, Guðmundur. "Patrols by U-907". German U-boats of WWII - uboat.net.