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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 Centerboard hum		  New Topic  Topic Locked
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willy
Captain

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USA
422 Posts
Initially Posted - 07/16/2003 :  17:12:26  Show Profile
Folks I have been trying to determine what it is thats sounds like an electric bilge pump running (I don't have one) when I go below while the boat screams across the bay. My current theory is it is some odd noise created by the centerboard. Anyone else experience this?
2003WB

Edgy
Rehoboth Bay, DE
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Al
Captain

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USA
269 Posts
Response Posted - 07/16/2003 :  18:12:23  Show Profile
The rudders on my Hobie 16 used to hum. I filed the trailing edge down to more of a knife edge, and it stopped. Go figure....<img src=icon_smile_cool.gif border=0 align=middle>

Al Maniccia
SeaWolf C250WK #698
Marina Del Rey, CA
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Oscar
Master Marine Consultant

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USA
2030 Posts
Response Posted - 07/17/2003 :  00:35:21  Show Profile  Visit Oscar's Homepage
Willing to bet it's the stainless steel line......

Oscar.
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Bryan Beamer
Master Marine Consultant

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USA
1038 Posts
Response Posted - 07/17/2003 :  12:05:27  Show Profile
<BLOCKQUOTE id=quote><font size=1 face="Verdana, Arial, Helvetica" id=quote>quote:<hr height=1 noshade id=quote> Willing to bet it's the stainless steel line......<hr height=1 noshade id=quote></BLOCKQUOTE id=quote></font id=quote><font face="Verdana, Arial, Helvetica" size=2 id=quote>

I agree with Ocsar.

I don't have a wb but I was a kid on my dad's Chrysler 22 swing keel and it had the swing keel cable hum.


Bryan Beamer
<img src="http://im1.shutterfly.com/procserv/47b3d935b3127cce8ab87c3b48020000000010" border=0>
Daylight Again
C250wk #495
2003 National Champion
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Al
Captain

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USA
269 Posts
Response Posted - 07/17/2003 :  14:58:53  Show Profile
I don't have any idea of what the WB configuration looks like, but it seems like if you changed the tension (and resonate freq.) of the cable to one that isn't excited by the water flowing past it, that would solve it.

Al Maniccia
SeaWolf C250WK #698
Marina Del Rey, CA
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.