Like all
Type VIIC/41U-boats, U-1107 had a displacement of 759 tonnes (747 long tons) when at the surface and 860 tonnes (850 long tons) while submerged. She had a total length of 67.23 m (220 ft 7 in), a
pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), and a draught of 4.74 m (15 ft 7 in).[3] The submarine was powered by two
Germaniawerft F46
supercharged six-cylinder four-stroke
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) and 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. The boat was capable of operating at a depth of 250 metres (820 ft).[3]
The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a 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).[3]U-1107 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. Its
complement was between forty-four and sixty.[3]
Service history
The boat's career began with training at
8th U-boat Flotilla on 8 August 1944, followed by active service on 16 February 1945 as part of the
11th Flotilla for the remainder of her service. In one patrol she sank two merchant ships, for a total of 15,209
gross register tons (GRT).
^Kemp, Paul (1997). U-Boats Destroyed - German submarine Losses in the World Wars. London: Arms and Armour Press. p. 255.
^Helgason, Guðmundur.
"Ships hit by U-1107". German U-boats of WWII - uboat.net. Retrieved 16 September 2014.
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.
ISBN1-55750-186-6.
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). Vol. IV. Hamburg; Berlin; Bonn: Mittler.
ISBN3-8132-0514-2.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). German Warships 1815–1945, U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press.
ISBN0-85177-593-4.
Kemp, Paul (1997). U-Boats Destroyed - German submarine losses in the World Wars. Arms and Armour Press.
ISBN1-85409-321-5.
Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing.
ISBN1-85780-072-9.