[C320-list] Minor issues with hull bottom

[sail-ability sail-ability]

   Instead of the Micron CSC, I would look at Aquaguard water based
   antifouling paint. I changed over last season and the boat came out
   clean as a whistle; You can look up reviews on the net.  Water instead
   of those harsh solvents makes it a joy to apply.

   I had my hull soda blasted as well and prepped it with Interprotect
   2000 which was already on the hull, not water based though.

   The problem with my hull is that previous owners had applied new Micron
   CSC every season so it was very thick and chipping off. Anti fouling
   will continue to work as long as some paint is still on the barrier
   coat. It looks awful when the boat is "on the hard" if you apply just
   where the anti fouling has worn thin, not too many folks will see it in
   the water!!

   cheers

   JohnM

   1999#574

     ---------- Original Message ----------
     From: Troy Dunn <troutwarrior at gmail.com>
     Date: February 4, 2017 at 4:49 PM
     The Wonky Dog is currently necked as a jay bird... After long
     considering what to do about removing the old paint and a general
     desire to
     know exactly what was going on with the bottom of this boat we
     decided to
     bite the bullet and have her soda blasted by Chesapeake Soda Clean.
     The
     only sure problem we knew about was a smallish area along the keel
     fairing
     that needed to be faired and filled and a few areas where the
     epoxy/paint
     coating was coming off the wing of the keel.
     First the good news. As expected based on everything written about
     the
     vinylester layup. We couldn't find any evidence of osmotic
     blistering on
     the hull. I spent about an hour eyeballing and feeling the entire
     hull
     and then went back for another 1/2 hour and sounded the entire hull
     was a
     hard plastic tipped mallet. If there's a blister there somewhere I'm
     not
     going to find it at my skill level.
     Soda blasting the bottom revealed (or maybe caused??) a few more
     issues
     that we want to ensure we take care of properly prior to painting.
     The
     first problem area is the aforementioned keel, removing all that
     paint has
     revealed quite a bit of "gatoring" in the hard coating on one side,
     and
     quite a few blemishes on the other as well. Here are a couple of
     examples.
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040840_zpsvlzdm3dw.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040839_zpskghqlbqu.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040838_zpsw93izclw.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040836_zps7ryahhud.jpg
     I know that all of the coatings on the keel are cosmetic,
     but...wondering
     what the best approach is to grinding, filling and fairing the keel
     are...
     The second problem area is "blistering" in the fairing around the
     prop
     strut. I know they aren't really osmotic blisters, but they still
     need to
     be dealt with. Again wondering best approaches.
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040834_zpsavaxe5gm.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040833_zpssrxn3spf.jpg
     Finally, there is minor pitting in the rudder, some minor flaking on
     the
     leading edge of the rudder, and an area near the trailing edge of
     the
     rudder that has been worn through to the fabric. I'm not 100%
     convinced
     the pitting isn't from the soda blasting. This one feels real close
     to
     scuff sand, paint and call it a day.
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040832_zpsd4gxthze.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040831_zpsfdqsqtye.jpg
     http://i30.photobucket.com/albums/c329/troutwarrior/Boat%20Maintenan
     ce/P2040828_zpsttlb3az1.jpg
     Any thoughts on how to proceed would be appreciated.
     For those wondering, our current plan once we get the repairs
     completed is
     to use Interprotect as a primer only (so one coat) and then add
     coats of
     Micron CSC of various colors. This seems to be a very popular
     approach in
     our area.
     Troy and Kim Dunn
     S/V Wonky Dog (Hull #514)
     Havre De Grace, MD