Tim, Any preventitive measures others can take?
On Fri, Jan 11, 2013 at 8:59 AM, Tim Goodyear <timg...@gmail.com> wrote: > The cause of the cracks was wet core just outboard / above the solid glass > at the turn of the bilge (right by the mast step). There was a void > between the mast step assembly (glass) and the hull proper that allowed > water to sit for a while (29 years?) against the inner laminate... I now > have full confidence in the hull integrity (having replaced most of it over > the last two years), but am many dollars lighter. The temptation of a new > boat is growing. > > Tim > Mojito > 1984 C&C 35-3 > Branford, CT > > > On Sun, Dec 16, 2012 at 8:50 PM, Dennis C. <capt...@yahoo.com> wrote: > >> Tim, >> >> My boat is a lot older than yours but if it's any indication, their layup >> schedules weren't very good. I've re-tabbed most of the bulkhead/hull >> joints in Touche's forward section. A few were detached or broken but most >> were just bad practice. >> >> When I had the boat hauled about 5 years ago for a barrier coat, I could >> see cosmetic cracks in the matte once the gelcoat was removed from the >> underbody. These cracks aligned with the bulkheads. The bulkhead tabs had >> no fillets. They were all 90 degree joints. This created stress points at >> the joints which manifested themselves as the cosmetic cracks on the >> outside of the hull. >> >> I have been re-tabbing all the bulkheads with filleted joints. I ground >> out the old tabbing, created fillets and re-tabbed with 4 inch biaxial >> tape. To create the fillets, I put thickened epoxy in the joint and >> smoothed it with the back of a plastic spoon. This creates a nice radius >> for the fillet. The filleted joints spread the load. This is particularly >> important in the forward section of the boat as that's where the boat >> pounds into waves. >> >> Dennis C. >> Touche' 35-1 #83 >> Mandeville, LA >> >> >> ------------------------------ >> *From:* Tim Goodyear <timg...@gmail.com> >> *To:* "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> >> *Sent:* Sunday, December 16, 2012 4:29 PM >> *Subject:* Re: Stus-List Keel stub cracks >> >> There is some tabbing in the bilge sump between floors and hull that has >> become detached. I'll have that ground off and reattached and will add >> glass on the outside and fair. Does anyone have access to any of the >> original layup schedules in that area? I have copies of all the drawings >> that were available, but none were that specific on construction methods. >> >> Thanks, >> >> Tim >> Mojito >> C&C 35-3 1984 >> Branford, CT >> >> >> On Sun, Dec 2, 2012 at 7:34 PM, Graham Collins < >> cnclistforw...@hotmail.com> wrote: >> >> Hi Tim >> I'd pull the cabin sole and see if the floor grid is still well attached >> to the hull at the turn of the bilge, I'm guessing on the port side it is >> not. >> >> Graham Collins >> Secret Plans >> C&C 35-III #11 >> >> >> Tim Goodyear wrote: >> >> Hello all 35-3 owners - I'm looking for some advice, especially from >> those who have re-habbed their keels on this model... >> I was checking on Mojito this morning, and noticed beads of moisture in >> two areas; a spot at the top of the keel trailing edge and an 8" hairline >> crack on the port side at hull / keel stub (almost exactly where the mast >> step is internally). Would this have been enough for you to go ahead with >> major keel surgery? >> Rear of keel >> I've been trying to resolve this for a while; two separate boat yards >> have had a go at if, and the area is now solid fiberglass / epoxy, but >> still a tiny crack / area of moisture. There was water in the bilge just >> aft of the rear keel bolt (I removed the floorboards and sponged the area >> dry). Water would not normally stay in that area, but the boat is tilted >> back a little on the stands. I have not had the keel bolts torqued in 7 >> years (since I bought Mojito). >> Mast Step area >> This is the first year I've noticed moisture in that area; there have >> been hairline cracks in the antifouling before. The mast is stepped and I >> can't access that area through the mast step, which appears sound. >> Thanks, >> Tim >> Mojito >> 1984 C&C 35-3 >> Branford, CT >> >> >> ______________________________**_________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com >> >> >> ______________________________**_________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com >> >> >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com >> >> >> >> _______________________________________________ >> This List is provided by the C&C Photo Album >> http://www.cncphotoalbum.com >> CnC-List@cnc-list.com >> >> > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > -- Joel 301 541 8551
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