[Alberg30] Zinc Anode location

[sousa, stephen (ENG)]

Tom,

Good thought and thank you, there is a drain on the sea water side of the
system. I think it is a metric machine thread, will take a look on Sunday.
I may not want to mess with drilling and retapping since I also need the
drain for the winter months.

Stephen

-----Original Message-----
From: Tom Sutherland [mailto:sutherlandt at prodigy.net] 
Sent: Friday, August 29, 2003 4:52 PM
To: Alberg 30 public list
Subject: Re: [Alberg30] Zinc Anode location


Stephen, If your engine has a drain plug in the fresh water side, it might
be possible to install a zink in it's place. You may notice that the pencil
zinks come in a variety of "NPT" sizes. This might be a bit messy to change
but might be worth thinking about. On my engine I have to cut the end of the
zink off for it to fit.

Just a thought.

Tom S
A30  #412


"sousa, stephen (ENG)" wrote:
> 
> Calvin,
> 
> The Yanmar 2GM series did not have a zinc in the cooling system on 
> previous models unless they added this to the design. I would call you 
> distributor and ask them if Yanmar installed a zinc in the system. I 
> looked all over my motor and couldn't find the zinc, I have installed 
> a shaft zinc onto the Alberg.
> 
> Stephen
> 
> -----Original Message-----
> From: Voyager Toronto [mailto:voyagertoronto at hotmail.com]
> Sent: Wednesday, August 27, 2003 5:12 PM
> To: public-list at alberg30.org
> Subject: Re: [Alberg30] Zinc Anode location
> 
> Hmm...interesting...please continue to educate me: the engine comes 
> with a zinc which the manual advises should be replaced 
> periodically--what's this protecting, then? I'd somehow come to 
> associate zincs with the 'siphoning' away of minute amounts of 
> electric current and thought, since the shaft was a conductor, it 
> might not matter where on the shaft the zinc was located.
> 
> >From: Brian and Elaine Timmins <timmins at optonline.net>
> >Reply-To: Alberg 30 public list <public-list at alberg30.org>
> >To: Alberg 30 public list <public-list at alberg30.org>
> >Subject: Re: [Alberg30] Zinc Anode location
> >Date: Wed, 27 Aug 2003 12:38:00 -0400
> >
> >If you want to protect it from electrolisis, it must be in the water 
> >!!!!! If you put it inside the hull, you'll only protect the area 
> >directly under the zinc and then, only from your inspection.
> >----- Original Message -----
> >From: "Voyager Toronto" <voyagertoronto at hotmail.com>
> >To: <public-list at alberg30.org>
> >Sent: Wednesday, August 27, 2003 9:56 AM
> >Subject: [Alberg30] Zinc Anode location
> >
> >
> > > For a zinc anode protecting a prop/shaft to be effective, must it 
> > > be in
> >the
> > > water? I have no space on the shaft outside the hull, but a good 2
> >fingers
> > > width inside the hull forward of the stuffing box. The archives 
> > > refer to
> >a
> > > zinc one can fit over the prop-retaining nut, but this is less 
> > > readily obtained. Inside the hull would also facilitate 
> > > installation, inspection
> >and
> > > replacement--no haulout required. Thanks for the replies on the 
> > > prop aperture. Calvin, Voyager#30
> > >
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