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Tom Shilson
 
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Default Protecting against sal****er

JAXAshby wrote:

huh? zincs and/or soapy water protect a fiberglass boat from sal****er? Since
when?


Zincs protect against galvanic corrosion, which is more of a problem in
salt water than fresh.

Also, clean never hurts.

Tom
of the Swee****er Sea

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JAXAshby
 
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Default Protecting against sal****er

protects what kind of fiberglass from what did you say?

huh? zincs and/or soapy water protect a fiberglass boat from sal****er?

Since
when?


Zincs protect against galvanic corrosion, which is more of a problem in
salt water than fresh.

Also, clean never hurts.

Tom
of the Swee****er Sea









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Tom Shilson
 
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Default Protecting against sal****er

JAXAshby wrote:
protects what kind of fiberglass from what did you say?

snip
OK, so we got carried away. We were talking about a fiberglass *boat*,
which includes certain metal underwater parts, e.g. propeller,
through-hulls, rudder shaft etc.

You are correct, the zincs don't protect the fiberglass itself. It will
protect the boat.

The biggest danger to the fiberglass parts, other than collision, is
probably UV sunlight. The wax will help protect that. Washing will
remove salt (corrosive) and, properly done, protect the wax.

OK?

Tom
of the Swee****er Sea


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Les Dennis
 
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Default Protecting against sal****er


"Tom Shilson" wrote in message
news
JAXAshby wrote:

huh? zincs and/or soapy water protect a fiberglass boat from sal****er?

Since
when?


Zincs protect against galvanic corrosion, which is more of a problem in
salt water than fresh.

Also, clean never hurts.


Sacrificial Zincs are designed to deliberately corrode protecting the rest
of the yacht.



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JAXAshby
 
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Default Protecting against sal****er

Sacrificial Zincs are designed to deliberately corrode protecting the rest
of the yacht.


including the fiberglass, but not the wood?


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Tom Shilson
 
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Default Protecting against sal****er

JAXAshby wrote:

Sacrificial Zincs are designed to deliberately corrode protecting the rest
of the yacht.



including the fiberglass, but not the wood?


Actually, the zincs will help protect submerged wood on a boat. It is
subject to some galvanic corrosion also.

Tom
of the Swee****er Sea

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JAXAshby
 
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Default Protecting against sal****er

zincs will help protect submerged wood on a boat. It is
subject to some galvanic corrosion also.


really? wood becomes the anode or the cathode? I guess I have never seen a
battery with wooden plates before.
  #8   Report Post  
 
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Default Protecting against sal****er

Appears the galvanic corrosion of a wooden hull comes from the nails, bolts,
screws holding the wood on to the subframe.

"JAXAshby" wrote in message
...
zincs will help protect submerged wood on a boat. It is
subject to some galvanic corrosion also.


really? wood becomes the anode or the cathode? I guess I have never seen

a
battery with wooden plates before.



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Rick
 
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Default Protecting against sal****er

JAXAshby wrote:

really? wood becomes the anode or the cathode? I guess I have never seen a
battery with wooden plates before.


Every time you post you show how much you have never seen and how little
you know about boating subjects. Tell us all about your wooden boat
experience Jax ... oh, judging by your post above I guess you already did.

Rick

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JAXAshby
 
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Default Protecting against sal****er

Tell us all about your wooden boat
experience Jax


I built a professional Class A/B Racing Runabout the winter I was in eight
grade. Except for the screws, it was all wood.

ricky, you *still* didn't answer my question as to whether the wood is anodic
or cathodic, nor did you tell us where one might see a wooden battery.

do enlighten us with your vast knowledge of uncharted facts.


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