[Alberg30] Bonding of hull fittings?

[Mike Lehman]

Most A30s have 1 zinc. It is usually in the form of a prop nut attached to
the end of the shaft. It is important to have the zinc connected to the
engine, which is a principal source of stray current.


----- Original Message -----
From: "Bill Blevins" <billblevins at mac.com>
To: "Alberg 30 public list" <public-list at alberg30.org>
Sent: Monday, April 07, 2003 10:50 PM
Subject: Re: [Alberg30] Bonding of hull fittings?


> How many zincs are there on these boats? I have one that I know of
> attached under the exit from the hull for the prop shaft. Are there
> others I should be checking?
>
> Bill
>
> --
>
>
> On Monday, April 7, 2003, at 10:31 PM, George Dinwiddie wrote:
>
> > Be aware that this can just as easily cause problems as solve them.
> > The only thru-hull that's ever corroded on my boat is the engine
> > intake. That's because it's effectively coupled to the engine by the
> > saltwater in the hose.  If the zinc wears down too far (as it did last
> > summer), I get corrosion
> >
> >  - George
> >
> > EddieDiver at aol.com wrote:
> >> There are 2 schools of thought on the wisdom or necessity of bonding
> >> thru-hulls, engine, prop shaft, etc. together with copper wire. This,
> >> as I understand it, is to help prevent damage from different
> >> electrical potentials aboard  a boat. Every thing i have read about
> >> the subject talks about this potential problem when in "seawater". I
> >> take this to be salt water.
> >> My question; are there many Albergs that have this bonding assembly?
> >> Those in salt water? Those in fresh water? Emotional Rescue, #303, is
> >> in fresh Chicago lake water.
> >
> > --
> >  ----------------------------------------------------------------------
> >   Hope your road is a long one.                        George Dinwiddie
> >   May there be many summer mornings when,       gdinwiddie at alberg30.org
> >   with what pleasure, what joy,                 http://www.Alberg30.org
> >   you enter harbors you're seeing for the first time;
> >                                            from 'Ithaka' by C.P. Cavafy
> >  ----------------------------------------------------------------------
> >
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