German submarine U-251
1941 Type VIIC submarine
German submarine U-251 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 18 October 1940 at the Bremer-Vulkan-Vegesacker Werft (yard) in Bremen as yard number 16, launched on 26 July 1941 and commissioned on 20 September under the command of Kapitänleutnant Heinrich Timm.
In ten patrols, she sank two ships of 11,408 gross register tons (GRT). She was a member of three wolfpacks.
She was sunk by British and Norwegian aircraft in the Kattegat of the Danish Island of Anholt on 19 April 1945.
The U-251 can be seen on YouTube video 'Diving on Nazi submarine U-251'.
Design
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-251 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), 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 AEG GU 460/8–27 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.
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