German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-628 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 Brown, Boveri & Cie GG UB 720/8 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).[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-628 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 historyedit
The boat's service began on 25 June 1942 with training as part of the 5th U-boat Flotilla. She was transferred to the 1st Flotilla on 1 December 1942 for active service in the North Atlantic.
In four patrols she sank four merchant ships, for a total of 21,765 gross register tons (GRT), plus three merchant ships damaged.
^Helgason, Guðmundur. "Ships hit by U-628". German U-boats of WWII - uboat.net. Retrieved 10 June 2014.
Bibliographyedit
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] (in German). Vol. IV. Hamburg, Berlin, Bonn: Mittler. ISBN3-8132-0514-2. {{cite book}}: |work= ignored (help)
Edwards, Bernard (1996). Dönitz and the Wolf Packs - The U-boats at War. pp. 138, 160, 161, 198, 199. ISBN0-304-35203-9.
Gröner, Erich; Jung, Dieter; Maass, Martin (1991). U-boats and Mine Warfare Vessels. Vol. 2. Translated by Thomas, Keith; Magowan, Rachel. London: Conway Maritime Press. ISBN0-85177-593-4. {{cite book}}: |work= ignored (help)
Sharpe, Peter (1998). U-Boat Fact File. Great Britain: Midland Publishing. ISBN1-85780-072-9.
External linksedit
Helgason, Guðmundur. "The Type VIIC boat U-628". German U-boats of WWII - uboat.net. Retrieved 29 December 2014.
german, submarine, type, viic, boat, built, nazi, germany, kriegsmarine, service, during, world, laid, down, august, 1941, blohm, voss, hamburg, yard, number, launched, april, 1942, commissioned, june, 1942, under, kapitänleutnant, heinrich, hasenschar, histor. German submarine U 628 was a Type VIIC U boat built for Nazi Germany s Kriegsmarine for service during World War II She was laid down on 7 August 1941 by Blohm amp Voss Hamburg as yard number 604 launched on 29 April 1942 and commissioned on 25 June 1942 under Kapitanleutnant Heinrich Hasenschar HistoryNazi GermanyNameU 628Ordered15 August 1940BuilderBlohm amp Voss HamburgYard number604Laid down7 August 1941Launched29 April 1942Commissioned25 June 1942FateSunk on 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44 11 N 08 45 W 44 183 N 8 750 W 44 183 8 750 by depth charges from a RAF Liberator aircraft of 224 J Squadron 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 hullHeight9 60 m 31 ft 6 in Draught4 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 four bow one stern 14 torpedoes or 26 TMA mines 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 5th U boat Flotilla 25 June 30 November 1942 1st U boat Flotilla 1 December 1942 3 July 1943Commanders Kptlt Heinrich Hasenschar 25 June 1942 3 July 1943Operations 4 patrols 1st patrol 28 November 1942 8 January 1943 2nd patrol 1 February 9 March 1943 3rd patrol 8 April 19 May 1943 4th patrol 1 3 July 1943Victories 4 merchant ships sunk 21 765 GRT 3 merchant ships damaged 20 450 GRT Contents 1 Design 2 Service history 2 1 Wolfpacks 2 2 Fate 3 Summary of raiding history 4 References 5 Bibliography 6 External linksDesign editGerman Type VIIC submarines were preceded by the shorter Type VIIB submarines U 628 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 Brown Boveri amp Cie GG UB 720 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 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 628 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 service began on 25 June 1942 with training as part of the 5th U boat Flotilla She was transferred to the 1st Flotilla on 1 December 1942 for active service in the North Atlantic In four patrols she sank four merchant ships for a total of 21 765 gross register tons GRT plus three merchant ships damaged Wolfpacks edit U 628 took part in six wolfpacks namely Ungestum 11 30 December 1942 Hartherz 3 7 February 1943 Ritter 11 26 February 1943 Without name 15 18 April 1943 Specht 19 April 4 May 1943 Fink 4 6 May 1943 Fate edit U 628 was sunk on 3 July 1943 in the North Atlantic NW of Cape Ortegal in position 44 11 N 08 45 W 44 183 N 8 750 W 44 183 8 750 bombed and depth charged by RAF Liberator aircraft FL963 of 224 J Squadron out of RAF St Eval in Cornwall All 49 hands were lost Summary of raiding history editDate Ship Name Nationality Tonnage GRT Fate 3 29 December 1942 Lynton Grange nbsp United Kingdom 5 029 Sunk23 February 1943 Glittre nbsp Norway 6 409 Damaged23 February 1943 Winkler nbsp Panama 6 907 Damaged24 February 1943 Ingria nbsp Norway 4 391 Sunk25 February 1943 Manchester Merchant nbsp United Kingdom 7 264 Sunk17 April 1943 Fort Rampart nbsp United Kingdom 7 134 Damaged5 May 1943 Harbury nbsp United Kingdom 5 081 SunkReferences edit Helgason Gudmundur The Type VIIC boat U 628 German U boats of WWII uboat net Retrieved 10 June 2014 a b c d Groner 1991 pp 43 46 Helgason Gudmundur Ships hit by U 628 German U boats of WWII uboat net Retrieved 10 June 2014 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 in German Vol IV Hamburg Berlin Bonn Mittler ISBN 3 8132 0514 2 a href Template Cite book html title Template Cite book cite book a work ignored help Edwards Bernard 1996 Donitz and the Wolf Packs The U boats at War pp 138 160 161 198 199 ISBN 0 304 35203 9 Groner Erich Jung Dieter Maass Martin 1991 U boats and Mine Warfare Vessels Vol 2 Translated by Thomas Keith Magowan Rachel London Conway Maritime Press ISBN 0 85177 593 4 a href Template Cite book html title Template Cite book cite book a work ignored help 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 628 German U boats of WWII uboat net Retrieved 29 December 2014 Portals nbsp Military of Germany nbsp World War II Retrieved from https en wikipedia org w index php title German submarine U 628 amp oldid 1162235159, wikipedia, wiki, book, books, library,
