| 词条 | German submarine U-253 | ||||||||||||||||||||||||||||||||||||||||||
| 释义 |
German submarine U-253 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. The U-boat was laid down 15 November 1940 at the Bremer Vulkan yard in Bremen-Vegesack, launched on 30 August 1941 and commissioned on 21 October 1941. U-253 served with the 8th U-boat Flotilla for training and later served operationally with the 6th U-boat Flotilla from 1 to 25 September 1942. U-253 completed one patrol but did not sink any ships. U-253 was sunk with all hands on 25 September 1942 in the Denmark Strait, northwest of Iceland, at {{coord|66|59|59.9|N|23|0|0|W|type:country|display=inline,title}}. The cause of U-253{{'}}s loss is not clear, but believed to be a British mine in the Northern Barrage.{{sfn|Kemp|1999|p=90}} DesignGerman Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-253 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 460/8-276 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-253 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}} References1. ^{{cite web |url=http://uboat.net/boats/u253.html |title=The Type VIIC boat U-253 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=2009-12-23}} 2. ^{{cite web |url=http://uboat.net/boats/patrols/u253.html |title=War Patrols by German U-boat U-253 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=2009-12-23}} 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 }}
|last=Kemp |first=Paul |title=U-Boats Destroyed - German Submarine Losses in the World Wars |location=London |year=1999 |publisher=Arms & Armour |isbn=1-85409-515-3 |ref=harv }}
|last=Bishop |first=Chris |title=Kriegsmarine U-Boats, 1939-45 |publisher=Amber Books |location=London |year=2006 |isbn=978-1-904687-96-2 |ref=harv }}{{Refend}} External links
|url=http://uboat.net/boats/u253.html |title=The Type VIIC boat U-253 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=26 December 2014 }}
|url=http://www.u-boot-archiv.de/dieboote/u0253.html |title=U 253 |last=Hofmann |first=Markus |website=Deutsche U-Boote 1935-1945 - u-boot-archiv.de |language=German |accessdate=26 December 2014 }}{{German Type VII submarines}}{{September 1942 shipwrecks}}{{Subject bar | portal1=Military of Germany | portal2=Submarine | portal3=World War II }}{{Use dmy dates|date=February 2011}}{{DEFAULTSORT:U0253}} 10 : German Type VIIC submarines|U-boats commissioned in 1941|U-boats sunk in 1942|World War II submarines of Germany|World War II shipwrecks in the Atlantic Ocean|1941 ships|Ships built in Bremen (state)|Ships lost with all hands|U-boats sunk by mines|Maritime incidents in September 1942 |
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