[C320-list] Alternative to antifreez in the sea/lake water cooling system

[Dan Winsor]

https://c320.org/article.php/20091018151120430?query=Winterize+without+antifreeze

On Thu, Aug 29, 2024, 08:26 KEN GEIGER <kendgb at aol.com> wrote:

> Dan, can you find and post a link to your article.
>
> Thx
>
> Ken Geiger
> Northern Dream #765 2000
>
> Sent from AOL on Android
> <https://play.google.com/store/apps/details?id=com.aol.mobile.aolapp>
>
> On Thu, Aug 29, 2024 at 7:48 a.m., Dan Winsor via C320-list
> <c320-list at lists.catalina320.com> wrote:
> Been winterizing Lucky Devil without antifreeze for over 20 years without
> issue. Wrote article for tech issues on 320 website. It's EZ, it's safe,
> it's better for the environment, it improves your knowledge and abilities
> on the boat, it increases your awareness of conditions on the boat.
>
> On Wed, Aug 28, 2024, 22:37 Troy Dunn via C320-list <
> c320-list at lists.catalina320.com> wrote:
>
> > John
> >
> > If you go look on the yanmar forums I think the consensus on these kinds
> of
> > ideas is that there are too many areas where water is too hard to vacuum
> or
> > blow out so you risk freeze damage in those areas.  I think that’s
> > probably too high cost to risk  for raw water cooled engines.  For
> > freshwater cooled engines you are probably looking at damage to the heat
> > exchanger for the most part which is a lower cost repair.    The price of
> > antifreeze has not yet gotten so outrageous that I would recommend this
> > approach.
> >
> >
> > YMWV
> >
> > Troy Dunn
> > Hull #514
> >
>
>