German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-447 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged.[2] 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 superchargeddiesel 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 460/8-276 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).[2]
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).[2] 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-447 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.[2]
Service history
The boat's career began with training at 8th U-boat Flotilla on 11 July 1942, followed by active service on 1 March 1943 as part of the 9th Flotilla for the remainder of her service. In 2 patrols she sank no ships.[1]
^ abcHelgason, Guðmundur. "The Type VIIC boat U-447". German U-boats of WWII - uboat.net. Retrieved 15 September 2014.
^ abcdGröner 1991, pp. 43–46. sfn error: no target: CITEREFGröner1991 (help)
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). U-boats and Mine Warfare Vessels. German Warships 1815–1945. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN0-85177-593-4.
Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN1-85780-072-9.
External links
Helgason, Guðmundur. "The Type VIIC boat U-447". German U-boats of WWII - uboat.net. Retrieved 26 December 2014.
german, submarine, type, viic, boat, built, nazi, germany, kriegsmarine, service, during, world, laid, down, july, 1941, schichau, werke, danzig, yard, number, 1507, launched, april, 1942, commissioned, july, 1942, under, oberleutnant, friedrich, wilhelm, both. German submarine U 447 was a Type VIIC U boat built for Nazi Germany s Kriegsmarine for service during World War II She was laid down on 1 July 1941 by Schichau Werke Danzig as yard number 1507 launched on 30 April 1942 and commissioned on 11 July 1942 under Oberleutnant zur See Friedrich Wilhelm Bothe HistoryNazi GermanyNameU 447Ordered6 August 1940BuilderSchichau Werke DanzigYard number1507Laid down1 July 1941Launched30 April 1942Commissioned11 July 1942FateSunk on 7 May 1943 in the North Atlantic in position 35 30 N 11 55 W 35 500 N 11 917 W 35 500 11 917 by depth charges from RAF Hudson General characteristicsClass and typeType VIIC submarineDisplacement769 tonnes 757 long tons surfaced 871 t 857 long tons submergedLength67 10 m 220 ft 2 in o a 50 50 m 165 ft 8 in pressure hullBeam6 20 m 20 ft 4 in o a 4 70 m 15 ft 5 in pressure hullDraught4 74 m 15 ft 7 in Installed power2 800 3 200 PS 2 100 2 400 kW 2 800 3 200 bhp diesels 750 PS 550 kW 740 shp electric Propulsion2 shafts 2 diesel engines 2 electric motorsSpeed17 7 knots 32 8 km h 20 4 mph surfaced 7 6 knots 14 1 km h 8 7 mph submergedRange8 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 submergedTest depth230 m 750 ft Crush depth 250 295 m 820 968 ft Complement4 officers 40 56 enlistedArmament5 53 3 cm 21 in torpedo tubes 4 bow 1 stern 14 torpedoes 1 8 8 cm 3 46 in deck gun 220 rounds 1 x 2 cm 0 79 in C 30 AA gunService record 1 Part of 8th U boat Flotilla 11 July 1942 28 February 1943 9th U boat Flotilla 1 March 7 May 1943Commanders Kptlt Friedrich Wilhelm Bothe 11 July 1942 7 May 1943Operations 2 patrols 1st patrol 20 February 24 March 1943 2nd patrol 27 April 7 May 1943Victories None Contents 1 Design 2 Service history 2 1 Wolfpacks 2 2 Fate 3 References 4 Bibliography 5 External linksDesign EditGerman Type VIIC submarines were preceded by the shorter Type VIIB submarines U 447 had a displacement of 769 tonnes 757 long tons when at the surface and 871 tonnes 857 long tons while submerged 2 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 8 276 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 2 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 2 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 447 was fitted with five 53 3 cm 21 in torpedo tubes four fitted at the bow and one at the stern fourteen torpedoes one 8 8 cm 3 46 in SK C 35 naval gun 220 rounds and a 2 cm 0 79 in C 30 anti aircraft gun The boat had a complement of between forty four and sixty 2 Service history EditThe boat s career began with training at 8th U boat Flotilla on 11 July 1942 followed by active service on 1 March 1943 as part of the 9th Flotilla for the remainder of her service In 2 patrols she sank no ships 1 Wolfpacks Edit U 447 took part in three wolfpacks namely Neuland 4 6 March 1943 Ostmark 6 11 March 1943 Drossel 29 April 7 May 1943 Fate Edit U 447 was sunk on 7 May 1943 in the North Atlantic in position 35 30 N 11 55 W 35 500 N 11 917 W 35 500 11 917 by depth charges from 2 RAF Hudson bombers from 233 Squadron All crew members died 1 References Edit a b c Helgason Gudmundur The Type VIIC boat U 447 German U boats of WWII uboat net Retrieved 15 September 2014 a b c d Groner 1991 pp 43 46 sfn error no target CITEREFGroner1991 help Bibliography EditBusch Rainer Roll 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 Roll 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 ISBN 3 8132 0514 2 Groner Erich Jung Dieter Maass Martin 1991 U boats and Mine Warfare Vessels German Warships 1815 1945 Vol 2 Translated by Thomas Keith Magowan Rachel London Conway Maritime Press ISBN 0 85177 593 4 Sharpe Peter 1998 U Boat Fact File Great Britain Midland Publishing ISBN 1 85780 072 9 External links EditHelgason Gudmundur The Type VIIC boat U 447 German U boats of WWII uboat net Retrieved 26 December 2014 Portals Military of Germany World War II 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