If you are pretty sure the crack is actually allowing water in, you might need to have the keel off and do some significant work :( I just fixed a boat with this issue, but the crack was above the keel and thus we had access. The MK I and MK II keel stub is a pretty strong structure, so I would think something would have to seriously stress that to crack it through.
Joe Della Barba Coquina C&C 35 MK I From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Robert Abbott via CnC-List Sent: Wednesday, November 26, 2014 12:31 PM To: Bill Hoyne; cnc-list@cnc-list.com Subject: Stus-List keel bolts Bill: You will get different advice on this issue, as you have noticed. I am no expert, but: 1. there should not be cracks in the bilge sump between the keel bolts, and 2. if there are cracks there, and you are quite confident that they are leaking water, get it checked out by a knowledgeable person. Years back (1991), a friend bought a 1985 C&C 33 MKII in near new condition. That Spring we were removing the antifouling paint and discovered a hairline crack around the front of the keel on the keel stub, not the keel joint where we experience the C&C smile between the keel stub and the keel. Question now was, it is just a surface crack? How deep did it go into the hull? Owner hired a guy to address the issue. He ground out the crack and it almost went through the entire hull before he reached dry material.....it was seriously deep The previous owner had a hard grounding during Chester Race Week and did not tell my friend about it when he sold the boat. It was a significant crack and we were glad we found it and addressed it before we took the boat to Boston that Summer to do the Marblehead Race. Your call, but I would have someone experienced in these matters put my mind at rest. Rob Abbott AZURA C&C 32 - 84 Halifax, N.S. On 2014/11/26 12:55 PM, Bill Hoyne via CnC-List wrote: Thanks for the info, when I am on the hard next I will try this. I am certain is it coming from the small cracks from visual observations. I wonder if Wally would like to leave the sunny south and make a trip up to the frozen north for a little hull repair work ;-) Cheers, Bill On Nov 26, 2014, at 7:13 AM, dwight veinot <dwight...@gmail.com<mailto:dwight...@gmail.com>> wrote: Bill 1/2 cup per day is not really much water ingress...on my 35MKII water does come down the mast when it rains and accumulates under the mast step...it can move slowly show into the bilge...are you certain that is not the source of the 1/2 cup per day...If you have an issue with water getting in from below it should show up when the boat is on the hard...fill the bilge with water and it should leak out and maybe let you know where the source of the leak is...grind that area out both sides at the keel hull joint and dry well...then squeeze in some polyurethane sealant , let that cure well...cover with epoxy putty and finally with resin soaked chopped strand glass matt...what you describe does not sound that serious to me so I don't think you would need to do a major repair...but if you have the extra cash separate the keel afrom the hull and do like Wally did on his Landfall 38...that job was probably better than when it came from the factory Dwight Veinot C&C 35 MKII, Alianna Head of St. Margaret's Bay, NS d.ve...@bellaliant.net<mailto:d.ve...@bellaliant.net> On Tue, Nov 25, 2014 at 1:28 PM, Bill Hoyne via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: I did shop-vac the bilge and wipe it dry. The water influx was slow - about 1/2 cup per day at most. But that was at the dock, sailing hard the influx might be more, i will check when I go out next. I think there has been some contact between the keel ad something hard in its past life but not too sure how hard and what repairs were done. The cracks are not in the keel structure as it is very strong but in the sump area between the bolts. I doubt the cracks extend directly to the outside hull. The leaks are probably from the C&C smile to the hull-keel interface. I am bobing about on a 750'x137' drillship watching a cold front pass by - we are getting 30knt sustained outside, sea's don't look too bad from 80' up - maybe 10-14'. check out: http://www.marinetraffic.com/en/ais/details/ships/shipid:464725/imo:9609392/mmsi:373287000/vessel:WEST%20AURIGA Bill Hoyne Mithrandir '74 C&C35 MkII in Victoria,BC On Nov 24, 2014, at 3:00 PM, Bob Bingham via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote: Currently working on C&C 34 with the famous keel smile. Previously repaired by boat shop a few years back and has returned. After haul out I cleaned out seem filled with 4200 ,torque bolts to 300 ft. lbs and then covered with 2 layer matt , 2 layers cloth another matt and final layer of cloth using West System. Each layer was a bit wider starting at 1 in.and ending around 5 in..Inter protect in spring as weather is now going downhill. Will know if it works after haul out next year. Minimal cost so worth the try. On Mon, Nov 24, 2014 at 12:00 PM, <cnc-list-requ...@cnc-list.com<mailto:cnc-list-requ...@cnc-list.com>> wrote: Send CnC-List mailing list submissions to cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> To subscribe or unsubscribe via the World Wide Web, visit http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com or, via email, send a message with subject or body 'help' to cnc-list-requ...@cnc-list.com<mailto:cnc-list-requ...@cnc-list.com> You can reach the person managing the list at cnc-list-ow...@cnc-list.com<mailto:cnc-list-ow...@cnc-list.com> When replying, please edit your Subject line so it is more specific than "Re: Contents of CnC-List digest..." Today's Topics: 1. Re: keel bolts (mcrom...@bell.blackberry.net<mailto:mcrom...@bell.blackberry.net>) 2. Re: keel bolts (Della Barba, Joe) 3. Re: Using 12v trickle charger to test components? (Marek Dziedzic) ---------------------------------------------------------------------- Message: 1 Date: Mon, 24 Nov 2014 15:12:03 +0000 From: mcrom...@bell.blackberry.net<mailto:mcrom...@bell.blackberry.net> To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> Subject: Re: Stus-List keel bolts Message-ID: <134239895-1416841932-cardhu_decombobulator_blackberry.rim.net-1701521359-@b3.c5.bise6.blackberry<mailto:134239895-1416841932-cardhu_decombobulator_blackberry.rim.net-1701521359-@b3.c5.bise6.blackberry>> Content-Type: text/plain; charset="Windows-1252" I have to agree. I had a small leak in my bilge two summers ago that strangely enough didn't go away by itself and got worse this past summer. The PO had told me about a hard grounding. I got it surveyed this fall after haul-out by a surveyor with lots of C&C experience. Turns out I have hidden grounding damage. I re-launched on Friday and sailed over to Bristol Marine in Port Credit on Sunday. Will be $$. At least I had a great sail yesterday...I had all Lake Ontario to myself. Mike Atacama CnC 33 Sent wirelessly from my BlackBerry device on the Bell network. Envoy? sans fil par mon terminal mobile BlackBerry sur le r?seau de Bell. ------------------------------ Message: 2 Date: Mon, 24 Nov 2014 15:32:40 +0000 From: "Della Barba, Joe" <joe.della.ba...@ssa.gov<mailto:joe.della.ba...@ssa.gov>> To: "cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>" <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> Subject: Re: Stus-List keel bolts Message-ID: <650fe5515a854a538cf20c0410063...@nsc-dag3-06.ba.ad.ssa.gov<mailto:650fe5515a854a538cf20c0410063...@nsc-dag3-06.ba.ad.ssa.gov>> Content-Type: text/plain; charset="us-ascii" Yes - having cracks through the bottom of the boat is not a trivial thing to fix. A friends boat had an issue like this that was repaired in a quickie put-epoxy-on-it manner and it opened up while he was out. That trip was not fun :( His crack was above the keel, so we could get at it with the keel on. We ground it out and added layers of glass and epoxy outside and then did the same on the inside. I can't say it is perfect, but it is about 500 times stronger than the last "repair". Also you might want to make SURE that is where the water coming from. I would shop vac and towel dry the bilge and watch it very carefully. The 35 MK I and II keel structure is pretty strong and I would say cracks through the boat aren't common. Joe Della Barba Coquina C&C 35 MK I From: CnC-List [mailto:cnc-list-boun...@cnc-list.com<mailto:cnc-list-boun...@cnc-list.com>] On Behalf Of Robert Abbott via CnC-List Sent: Monday, November 24, 2014 10:00 AM To: Jim Watts; cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>; Bill Hoyne Subject: Stus-List keel bolts Bill: I would tend to agree with Jim Watts.....have someone knowledgeable inspect your boat. It is not normal to have cracks in the sump that are leaking water. I would not simply cover up the cracks without knowing how significant they are. Did your boat experience a 'hard grounding'? Rob Abbott AZURA C&C 32 - 84 Halifax, N.S. On 2014/11/23 12:57 AM, Jim Watts via CnC-List wrote: Sounds like a pro job to me. I would talk to Blackline and get their opinion. Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC On 22 November 2014 at 12:02, Bill Hoyne via CnC-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com><mailto:cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>>> wrote: I blasted out to Victoria to escape the frigid Alberta cold for a week or so. So I thought a little biking and messing around in the bilge would be fun. The water in the bilge was a bit salty and the mild steel plates below the keel bolts were badly corroded so I replaced some of the plates with some 3/8" 316SS. I cleaned out the bilge and watched. When I removed the bolts, one at a time :-) there was no seepage around the bolts - a good sign I think. However there are some cracks in the sump area between the keel bolts and these are seeping water at about 100ml/day. I didn't go out for a sail so assume there would be more water ingress when the keel is under some stress. Is there some way to seal these cracks without dropping the keel? What is the thickness from the bottom of the bilge to the top of the keel stub? Can I just pour some epoxy in the the sump area? Thanks!! Bill Hoyne Mithrandir '74 C&C35 MkII in Victoria,BC -------------------------
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