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Author Topic: Variable pitch prop  (Read 8195 times)

Martin (Admin)

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Re: Variable pitch prop
« Reply #25 on: June 18, 2009, 08:37:32 am »

Very interesting Foo!
Thanks for the first hand experiences.  :-))
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fooman2008

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Re: Variable pitch prop
« Reply #26 on: June 18, 2009, 11:30:25 pm »

The first ship was the sprucan I was aboard (the Ingersoll DD-990 almost universally known as the Ingerjunk), the second was the Claude V. Ricketts (DDG-5) a Charles F. Adams class.  The Aussies did indeed have several of them (four I think, I cannot recall) and the Germans had a pair also. 
Ingersoll was not selected for any kind of major retrofits and lasted less than 10 years of active duty (good riddance to bad rubish), the Ricketts had 27 before she went to the reserves and then was scheduled to be scrapped.  Last I heard she and her sister ship the Lawrence (our semi-permanent nemesis) were sitting alongside the pier in Philladelphia slowly being cut to pieces.
The OHP guided missile frigates have a single variable pitch prop along with a thruster that gets rid of a lot of the disadvantages.
Foo
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america12mj

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Re: Variable pitch prop
« Reply #27 on: July 09, 2010, 07:26:13 pm »

 :-)hy guy
i live in france and a read all the days you'r forum, it's great
about the variable pitch propellers, a very famous french builder make himself a variable pitch propellers , you can see the making off of it at this adress:

http://cnavale.quennetier.free.fr/spip.php?article17

regards
pascal from Paris
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