I still wack the zincs as Dennis decribed and I use lock tite on the nuts. I use 2 zincs and from early June to early Oct this year both were used up and gone at haul out
Dwight Veinot Alianna C&C 35 MKII Head of St. Margaret's Bay, NS On Tue, Nov 26, 2013 at 4:18 PM, Jim Watts <paradigmat...@gmail.com> wrote: > Dennis, why would you put an insulating material (Tef Gel) between the two > elements that have to have good electrical contact? Seems a little > counterintuitive to me. > > I stopped whacking the zincs with a hammer a few years ago and haven't had > any problems with zincs not staying on/bonded. > One extra step I do is to paint the "bridge" between the two halves of the > zinc with bottom paint so that the thinnest part of the zinc, where the > fasteners go through, is protected from attack. If that bridge goes the > zinc falls off the shaft. > Also, I keep the zincs far enough away from the strut so that I have > enough room to get the coupler off the gearbox and the gearbox off the > engine. I had to hire a diver once to move zincs so I could get the gearbox > off for some work. > > > On 26 November 2013 09:59, Dennis C. <capt...@yahoo.com> wrote: > >> Right or wrong here's how I install shaft zincs on Touche'. >> >> >> 1. Use a good brand of zinc with a copper contact. I like Camp zincs >> 2. Use emery cloth to make shaft bright >> 3. Apply a small amount of TefGel to the copper contact >> 4. Place zinc on shaft forward of the strut. Leave 1/2 to 1 shaft >> diameter space to allow water to flow into cutless bearing >> 5. Tighten the zinc's fasteners evenly. >> 6. Rotate shaft until one of the copper contact flats is at the bottom >> 7. Whack it firmly with a hammer to set the contact against the >> shaft. Note: striking upward reduces the side loading on the strut which >> may break the sealant or damage the strut >> 8. Rotate shaft 180 degrees and whack the other contact >> 9. Tighten the fasteners again >> >> I usually install a second zinc immediately forward of the first and >> rotated 90 degrees. >> >> Dennis C. >> Touche' 35-1 #83 >> Mandeville, LA >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com >> >> > > > -- > Jim Watts > Paradigm Shift > C&C 35 Mk III > Victoria, BC > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > >
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