[C320-list] Was leaving list, now zinc question for Orlando

[Kirk McCullough]

On my older 320 I definitely do not need a zinc on the strut. The strut is 
embedded in fiber glass with no electrical connection to any part of the 
boat.

Kirk McCullough
Boomerang #124


----- Original Message ----- 
From: "Bruce Heyman" <BruceHeyman at cox.net>
To: "'C320-List'" <c320-list at catalina320.com>
Sent: Friday, December 15, 2006 1:05 PM
Subject: Re: [C320-list] Was leaving list, now zinc question for Orlando


> Wes etal,
> I do not have a zinc on my strut and did not see a place to affix one.  I
> suppose it would not be hard to drill and tap a couple of holes, tap them
> and install a zinc. That said I'm not sure why you need one.  Some 
> builders
> bond everything metal that is in the water (through hulls, strut, shaft,
> keel...) to a central location including the engine and rigging.  My last
> boat was that way.  We didn't have a zinc on the strut then either as the
> conventional wisdom was that it was electrically boded to the shaft and 
> the
> zinc's (we always kept two) on the shaft were close enough to keep it
> protected.
> I just checked on our 320 (hull #671) it would appear that the strut is
> electrically isolated and hence does not need a zinc.  Is there a 
> connection
> that I'm not seeing?
> Thanks,
> Bruce
> Somerset 671 SoCal
>
> -----Original Message-----
> From: c320-list-bounces at catalina320.com
> [mailto:c320-list-bounces at catalina320.com] On Behalf Of
> Wes.Giles at averydennison.com
> Sent: Thursday, December 14, 2006 11:26 AM
> To: C320-List
> Subject: Re: [C320-list] Was leaving list, now zinc question for Orlando
>
> Jon,
>
> I always had two on my 320 in So Cal (marina del rey). The strut and the
> shaft. I know have one on the prop and one in the water on my 387.
>
> Wes
>
>
>
> jonvez at comcast.net
> Sent by: c320-list-bounces at catalina320.com
> 12/14/2006 10:02 AM
> Please respond to
> C320-List <c320-list at catalina320.com>
>
>
> To
> C320-List <c320-list at catalina320.com>
> cc
>
> Subject
> [C320-list] Was leaving list, now zinc question for Orlando
>
>
>
>
>
>
> Orlando,
>
> You say you used a zinc on the strut of CL2? Just curious as to why since
> it would be an isolated piece of metal? You have me concerned now since I
> have never protected the struts on either my 30 or 320....
>
> As for the other questions, our marina has no problem with divers and I
> have the diver check and clean the bottom in the middle of the summer.
> Never have had an issue with my shaft zinc--it's the prop zinc that I need
> to watch.
>
> I used 2 zincs for years, but my diver convinced me to try just one this
> season and after about 7 months in the water, it proved to be just
> right--just about half gone. I use Godfrey zincs which seem to work much
> better than the Canada zincs you find in West.....
>
> Regards,
>
> Jon Vez
>
> -------------- Original message -------------- 
> From: Orlando.Duran at AveryDennison.com
>
>> John,
>>
>> My dive service routinely replaces zincs as they are wearing out...here
> in So
>> Cal that would be every 4-5 months...on the 320 they would replace the
> shaft and
>> strut zincs and on the 440, I purchased 6 zincs from Flex-O-Fold that go
> on the
>> end of the prop that I will give to the diver so that it will be
> installed as
>> needed...
>>
>> Any reputable dive service should include zincs as part of their overall
>
>> maintenance service for you...
>>
>> Have a great time on the 36! Is delivery eminent?
>> ---------------------------------- 
>> Regards,
>> OD
>>
>> Sent from my BlackBerry Wireless Handheld
>>
>>
>> ----- Original Message ----- 
>> From: John Van Vessem [jvanvessem at sbcglobal.net]
>> Sent: 12/10/2006 07:58 AM
>> To: C320-List
>> Subject: [C320-list] Leaving the 320 list
>>
>> To all my friends on the 320 list I just want to say what an educational
>
>> pleasure it has been to read these conversations, I am moving to a 36
> and hope
>> to join their list if they have one. I'm going to miss my 320 it has
> been an
>> incredible boat and the whole reason I'm sticking with Catalina.
>>
>> Before I leave I need to tell you about a recent experience. My 320 was
>> surveyed for the new owner and when we hauled it out of the water we
> found that
>> the bronze shaft had corroded down by about 1/8 inch in diameter, the
> zinc was
>> missing and was only 10 months old. Bottom line I had to spring for a
> new
>> shaft, stainless this time. Replacing the zincs has not been in my
> standard
>> maintenance routine. But after talking to the 320 dealer he suggested
> that the
>> zincs be replaced every couple of months. I'd like to hear what other
> people
>> have experienced who keep their boat in the water all year.
>>
>> John Van Vessem
>> Sojourn 645
>> Vallejo Yacht Club
>>
>>
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