| 词条 | German submarine U-744 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 |
German submarine U-744 was a type VIIC U-boat, launched on 11 March 1943, commanded by Heinz Blischke. DesignGerman Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-744 had a displacement of {{convert|769|t|LT}} when at the surface and {{convert|871|t|LT}} while submerged.{{sfn|Gröner|1991|pp=43-46}} She had a total length of {{convert|67.10|m|ftin|abbr=on}}, a pressure hull length of {{convert|50.50|m|ftin|abbr=on}}, a beam of {{convert|6.20|m|ftin|abbr=on}}, a height of {{convert|9.60|m|ftin|abbr=on}}, and a draught of {{convert|4.74|m|ftin|abbr=on}}. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of {{convert|2800 to 3200|PS|kW shp|-1}} for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of {{convert|750|PS|kW shp}} for use while submerged. She had two shafts and two {{convert|1.23|m|ft|abbr=on|0}} propellers. The boat was capable of operating at depths of up to {{convert|230|m}}.{{sfn|Gröner|1991|pp=43-46}} The submarine had a maximum surface speed of {{convert|17.7|kn}} and a maximum submerged speed of {{convert|7.6|kn}}.{{sfn|Gröner|1991|pp=43-46}} When submerged, the boat could operate for {{convert|80|nmi}} at {{convert|4|kn}}; when surfaced, she could travel {{convert|8500|nmi}} at {{convert|10|kn}}. U-744 was fitted with five {{convert|53.3|cm|in|0|abbr=on}} torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one {{convert|8.8|cm|in|2|abbr=on}} SK C/35 naval gun, 220 rounds, and two twin {{convert|2|cm|in|sp=us|abbr=on}} C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.{{sfn|Gröner|1991|pp=43-46}} Service historyShe had two patrols, one from 5 June 1943 to 30 November 1943 and 1 December 1943 to 6 March 1944. She sank two ships in total, {{SS|Empire Housman}} on 3 January 1944, and the landing ship tank LST 362 on 2 March 1944. The LST 324 was also damaged that day.[1] U-744 was forced to surface on 6 March 1944, after a 31-hour pursuit by British and Canadian ships. She was depth-charged by {{HMS|Icarus|D03|6}}, causing her crew to abandon her. They were picked up by the corvette {{HMS|Kenilworth Castle|K420|6}}, the Canadian frigate {{HMCS|St. Catharines|K325|6}}, corvettes {{HMCS|Fennel|K194|6}} and {{HMCS|Chilliwack|K131|6}} and destroyers HMCS Chaudiere and {{HMCS|Gatineau|H61|6}} in the North Atlantic. U-744 was then boarded by allied sailors, who retrieved code books and other documents. Most of this was lost while being transferred between the U-Boat and the allied ships. After attempts to tow the submarine into port failed, U-744 was scuttled by the allied warships.[2]WolfpacksU-744 took part in five wolfpacks, namely.
Summary of raiding history
ReferencesNotes1. ^{{cite web |url=http://uboat.net/boats/u744.htm |title=The Type VIIC boat U-744 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=2011-12-02}} 2. ^"U-744 is boarded" U Boat Archive http://www.uboatarchive.net/U-257-U-744Photos.htm 3. ^Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement. 4. ^{{cite web |url=http://uboat.net/boats/successes/u744.html |title=Ships hit by U-744 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=30 January 2014}} Citations{{reflist}}Bibliography{{Refbegin}}
|last1=Busch |first1=Rainer |last2=Röll |first2=Hans-Joachim |title=Deutsche U-Boot-Verluste von September 1939 bis Mai 1945 |trans-title=German U-boat losses from September 1939 to May 1945 |work=Der U-Boot-Krieg |volume=IV |publisher=Mittler |location=Hamburg, Berlin, Bonn |year=1999 |isbn=3-8132-0514-2 |language=German |ref=harv }}
|last1=Gröner |first1=Erich |author-link1= |author-mask1= |last2=Jung |first2=Dieter |display-authors= |last-author-amp= |last3=Maass |first3=Martin |translator-last1=Thomas |translator-first1=Keith |translator-last2=Magowan |translator-first2=Rachel |year=1991 |title=U-boats and Mine Warfare Vessels |volume=2 |work=German Warships 1815–1945 |location=London |publisher=Conway Maritime Press |isbn=0-85177-593-4 |ref=CITEREFGr.C3.B6ner1991 }}{{Refend}} External links
|url=http://uboat.net/boats/u744.html |title=The Type VIIC boat U-744 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=29 December 2014 }}
|url=http://www.u-boot-archiv.de/dieboote/u0744.html |title=U 744 |last=Hofmann |first=Markus |website=Deutsche U-Boote 1935-1945 - u-boot-archiv.de |language=German |accessdate=29 December 2014 }}{{German Type VII submarines}}{{March 1944 shipwrecks}}{{Subject bar | portal1=Military of Germany | portal2=Submarine | portal3=World War II }}{{use dmy dates|date=December 2014}}{{DEFAULTSORT:U0744}} 12 : German Type VIIC submarines|U-boats commissioned in 1943|U-boats sunk in 1944|U-boats sunk by British warships|U-boats sunk by Canadian warships|U-boats sunk by depth charges|World War II submarines of Germany|1943 ships|Ships built in Danzig|World War II shipwrecks in the Atlantic Ocean|Ships built by Schichau|Maritime incidents in March 1944 |
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