“German submarine U-240”的意思、由来-开放百科全书

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German submarine U-240

释义

Design
Service history
Previously recorded fate
References
Bibliography
External links

{{Infobox ship image

Ship image=

Ship caption=
}}{{Infobox ship career

Hide header=

Ship country=Nazi Germany

Nazi Germany|naval}}

Ship name=U-240

Ship ordered=20 January 1941

Ship builder=Germaniawerft, Kiel

Ship yard number=670

Ship laid down =14 May 1942

Ship launched=18 February 1943

Ship commissioned=3 April 1943

Ship homeport=

Ship motto=

Ship nickname=

Ship status=Missing since 17 May 1944

Ship notes=
}}{{Infobox ship characteristics

Hide header=

Header caption=

Ship class=Type VIIC submarine

Ship displacement=

{{convert|769|t|LT|0}} surfaced
{{convert|871|t|LT|0|abbr=on}} submerged

Ship length=

{{convert|67.10|m|ftin|abbr=on}} o/a
{{convert|50.50|m|ftin|abbr=on}} pressure hull

Ship beam=

{{convert|6.20|m|ftin|abbr=on}} o/a
{{convert|4.70|m|ftin|abbr=on}} pressure hull

9.60|m|ftin|abbr=on}}

4.74|m|ftin|abbr=on}}

Ship power=

{{convert|2800|–|3200|PS|kW bhp|abbr=on}} (diesels)
{{convert|750|PS|kW shp|abbr=on}} (electric)

Ship propulsion=

2 shafts
2 × diesel engines
2 × electric motors

ship speed=

{{convert|17.7|kn}} surfaced
{{convert|7.6|kn}} submerged

Ship range=

{{convert|8,500|nmi|abbr=on|lk=on}} at {{convert|10|kn}} surfaced
{{convert|80|nmi|abbr=on}} at {{convert|4|kn}} submerged

Ship test depth=

{{convert|230|m|ft|abbr=on}}
Crush depth: {{convert|250|–|295|m|ft|abbr=on}}

Ship complement=4 officers, 40–56 enlisted

Ship sensors=

Ship EW=

Ship armament=

5 × {{convert|53.3|cm|in|0|abbr=on}} torpedo tubes (four bow, one stern)
14 × G7e torpedoes or 26 TMA mines
1 × {{convert|8.8|cm|in|2|abbr=on}} deck gun(220 rounds)
2 × twin {{convert|2|cm|in|sp=us|abbr=on}} C/30 anti-aircraft guns

Ship notes=
}}{{Service record

is_ship=yes

label=Service record^[1]^[2]

partof=

5th U-boat Flotilla
3 April 1943 – 31 January 1944
9th U-boat Flotilla
1 February – 17 May 1944

codes=

commanders=

Oblt.z.S. Günther Link
3 April 1943 – 17 May 1944

operations=13–17 May 1944

victories=None
}}

German submarine U-240 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 14 May 1942 at the Friedrich Krupp Germaniawerft yard at Kiel as yard number 670, launched on 18 February 1943 and commissioned on 3 April 1943 under the command of Oberleutnant zur See Günther Link.^[1]

Design

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-240 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-240 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 history

After training with the 5th U-boat Flotilla at Kiel, U-240 was transferred to the 9th U-boat Flotilla for front-line service on 1 February 1944.^[1]

She sailed from Kiel to Kristiansand in Norway, on 27 to 28 March 1944, departing from there on her first combat patrol on 13 May.^[2]

The U-boat was listed as missing in the North Sea west of Norway from 17 May 1944. No definite explanation exists for her loss,^[1] but Sunderland JM667/V of 330 Norwegian Squadron (RAF Coastal Command) attacked and sank an unidentified U-boat in that area on 16th May. This is believe to be the U-240.

Previously recorded fate

U-240 was originally thought to have been sunk west of Norway by depth charges dropped by a Norwegian Short Sunderland flying boat of No. 330 Squadron RAF. The attack was against {{GS|U-668||2}}. No damage was caused.

References

1. ^¹²³{{Cite web |url=http://uboat.net/boats/u240.htm |title=The Type VIIC boat U-240 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=31 March 2010}}
2. ^¹{{Cite web |url=http://uboat.net/boats/patrols/u240.html |title=War Patrols by German U-boat U-240 |last=Helgason |first=Guðmundur |website=German U-boats of WWII - uboat.net |accessdate=31 March 2010}}

Bibliography

{{cite book | last1 = Busch | first1 = Rainer | last2 = Röll | first2 = Hans-Joachim | translator-last = Brooks | translator-first = Geoffrey | title = German U-boat commanders of World War II : a biographical dictionary | publisher = Greenhill Books, Naval Institute Press | location = London, Annapolis, Md | year = 1999 | isbn = 1-55750-186-6 | ref = harv}}
{{cite book

|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
}}

{{cite book

|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

{{Cite web

|url=http://uboat.net/boats/u240.html
|title=The Type VIIC boat U-240
|last=Helgason
|first=Guðmundur
|website=German U-boats of WWII - uboat.net
|accessdate=26 December 2014
}}

{{cite web

|url=http://www.u-boot-archiv.de/dieboote/u0240.html
|title=U 240
|last=Hofmann
|first=Markus
|website=Deutsche U-Boote 1935-1945 - u-boot-archiv.de
|language=German
|accessdate=26 December 2014
}}{{German Type VII submarines}}{{May 1944 shipwrecks}}{{Subject bar
| portal1=Military of Germany
| portal2=Submarine
| portal3=World War II
}}{{Use dmy dates|date=February 2011}}{{DEFAULTSORT:U0240}}

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