View source for HMS Trouncer (D85)

{{Short description|American escort carrier transferred to the Royal Navy}}
{{other ships|HMS Trouncer}}
{{Use dmy dates|date=March 2017}}
{{Use British English|date=March 2017}}
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|Ship image=HMS Trouncer (D85).jpg
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|Ship country=United Kingdom
|Ship flag={{shipboxflag|United Kingdom|naval}}
|Ship name=HMS ''Trouncer''
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|Ship builder=[[Seattle-Tacoma Shipbuilding Corporation]]
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|Ship laid down=  1 February 1943
|Ship launched=  16 June 1943
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|Ship commissioned=  31 January 1944
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|Ship decommissioned= 12 April 1946
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|Ship identification=[[Pennant number]]:D85
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|Ship fate= Sold as Merchant ship; scrapped 1973
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{{Infobox ship characteristics
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|Ship class=*{{sclass|Bogue|escort carrier}} (USA)
*{{sclass|Ruler|escort carrier}} (UK)
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|Ship displacement= 9,800&nbsp;tons
|Ship length= {{convert|495|ft|8|in|m|abbr=on}}
|Ship beam= {{convert|69|ft|6|in|m|abbr=on}}
|Ship draught= {{convert|26|ft|m|abbr=on}}
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|Ship speed= {{convert|18|kn|km/h}}
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|Ship complement= 890 officers and men
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|Ship armament=*2 × [[4"/50 caliber gun|4"/50]], [[5"/38 caliber gun|5"/38]] or [[5"/51 caliber gun|5"/51]] guns
*8 × twin [[Bofors 40 mm Automatic Gun L/60|40&nbsp;mm Bofors]]
*27 × single [[Oerlikon 20 mm cannon|20&nbsp;mm Oerlikon]]
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|Ship aircraft=28
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The '''USS ''Perdido'' (CVE-47)''' (previously '''AVG-47''', later '''ACV-47''') was a [[Bogue-class escort carrier|''Bogue''-class]] [[escort carrier]] laid down as ACV-47 under Maritime Commission contract by [[Seattle-Tacoma Shipbuilding]] of [[Tacoma, Washington]], 1 February 1943; launched 16 June 1943; sponsored by Mrs. H. M. Bemis, reclassified as CVE-47 on 15 July 1943; and completed at the Commercial Iron Works, [[Portland, Oregon]].

Assigned to the [[United Kingdom]] under [[lend lease]] 23 June 1943, ''Perdido'' was taken over by the [[Royal Navy]] at Portland, 31 January 1944.  During the remainder of [[World War II]], she served the Royal Navy as [[Ruler-class escort carrier|''Ruler''-class]] escort carrier '''HMS ''Trouncer'' (D85)''' and took part in convoy escort and [[anti-submarine warfare|ASW]] patrol operations.  The escort carrier returned to [[Norfolk, Virginia]], 21 February 1946.  ''Perdido'' was returned to the [[United States Navy|U.S. Navy]] 3 March 1946, and on 25 March, the [[Secretary of the Navy]] authorized her for disposal.  Her name was struck from the [[Naval Register]] 12 April 1946.  She was sold to William B. St. John, delivered to her purchaser 6 March 1947 and pressed into merchant service as ''Greystroke Castle'' (renamed ''Gallic'' in 1954 and ''Berinnes'' in 1959).  She was sold for scrap in [[Taiwan]] in 1973.

==Design and description==
{{stack|[[File:The Royal Navy during the Second World War A30733.jpg|thumb|Survivors from the SS ''Empire Patrol'' board the ''Trouncer'' 1 October 1945, 38 miles off [[Port Said]]]]}}
These ships were all larger and had a greater aircraft capacity than all the preceding American built escort carriers. They were also all laid down as escort carriers and not converted [[merchant ship]]s.<ref name=co82/> All the ships had a complement of 646 men and an [[Length overall|overall length]] of {{convert|492|ft|3|in|1}}, a [[Beam (nautical)|beam]] of {{convert|69|ft|6|in|1}} and a draught of {{Convert|25|ft|6|in|m|1|abbr=on}}.<ref name=co82>Cocker (2008), p.82.</ref> Propulsion was provided a steam turbine, two boilers connected to one shaft giving 9,350 [[Horsepower#Shaft horsepower|brake horsepower]] (SHP), which could propel the ship at {{convert|16.5|kn|lk=in}}.<ref name=co79>Cocker (2008), p.79.</ref>

Aircraft facilities were a small combined bridge–flight control on the [[starboard]] side, two aircraft lifts {{convert|43|ft|1}} by {{convert|34|ft|1}}, one [[aircraft catapult]] and nine [[Arresting gear|arrestor wires]].<ref name=co82>Cocker (2008), p.82.</ref> Aircraft could be housed in the {{convert|260|ft|1}} by {{convert|62|ft|1}} hangar below the flight deck.<ref name=co82/> Armament comprised: two [[4"/50 caliber gun|4"/50]], [[5"/38 caliber gun|5"/38]] or [[5"/51 caliber gun|5"/51]] [[Dual purpose gun|Dual Purpose]] guns in single mounts, sixteen [[Bofors 40 mm Automatic Gun L/60|40&nbsp;mm Bofors]] [[anti-aircraft gun]]s in twin mounts and twenty [[Oerlikon 20 mm cannon|20&nbsp;mm Oerlikon]] anti-aircraft cannons in single mounts.<ref name=co82/> They had a maximum aircraft capacity of twenty-four aircraft which could be a mixture of [[Grumman Martlet]], [[Vought F4U Corsair]] or [[Hawker Hurricane variants#Sea Hurricanes|Hawker Sea Hurricane]] [[fighter aircraft]] and [[Fairey Swordfish]] or [[Grumman Avenger]] [[anti-submarine]] aircraft.<ref name=co82/>

==Notes==
{{reflist}}

==References==
*{{cite book|last=Cocker|first=Maurice|year=2008|title=Aircraft-Carrying Ships of the Royal Navy|publisher=The History Press|location=Stroud, Gloucestershire|isbn=978-0-7524-4633-2}}

==External links==
* [http://www.navsource.org/archives/03/047.htm Photo gallery] at navsource.org

{{Bogue class escort carrier}}
{{Type C3-S-A1 ships}}

{{DEFAULTSORT:Trouncer (D85)}}
[[Category:Ruler-class escort carriers]]
[[Category:World War II aircraft carriers of the United Kingdom| ]]
[[Category:Ships built in Tacoma, Washington]]
[[Category:1943 ships]]