Its definitely not the case of “don’t worry about it”. Do you know if you have balsa? On my 38mk2 from 1977 balsa goes all the way down to the keelbolts tabbing. You need to find that out. Few ways you can do that. Tapping with a mallet on the outside of the hull around the questionable area could give you some ideas if the area is hollow (balsa is already decomposed). Cheap moisture meter(home depot) can be used to see if area is wet but you have to “Calibrate” it. What I mean by that is the following: since cheap meters are not designed to penetrate bottom paints and fiberglass to show wet core, you need to see what the meter reading is on a known “dry” core, and on a known soaked core. Then knowing this, you can see if the area you are suspicious of is wet. But weeping is never a good sign.
If you find it wet, find the edge of where wetness ends and you need to drill some drain holes (from the inside of the hull). I am dealing with similar on another project boat I recently purchased. I found cheap moisture meter to be reasonably reliable on a masonry setting. In my case when a drilled suspicious area with a 3/16” hole from the inside of the hull I got a stream of water pouring out. A stream that was in one case initially shooting 3” high when I first drilled it. Good luck. Petar Horvatic Sundowner 76 C&C 38MkII On the hard at Stanleys in Barrington From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of jacob fuerst via CnC-List Sent: Friday, November 18, 2016 2:53 PM To: cnc-list@cnc-list.com Cc: jacob fuerst Subject: Stus-List weeping hull In my '78 C&C 36 I am seeing a couple spots where salt water is weeping in through the hull near the bilge area, appearing from seemingly nowhere as if from a spring. One point is about 3' back from the mast and 18" to the side. The other is closer to the keel but they both are on the edges of hull stringers. I've had a few people look at it and I've gotten everything from an estimate to rebed the keel (though the bolts seem fine and I had the boat out in May), to cutting apart the fiberglass to locate where the water is running from, to don't worry about it. Has anyone had this happen before? How big of a deal is it? The amount of water is minimal but I believe they were coring the hulls. Does anyone know the exact cross sectional thickness of the fiberglass? Were just the sides of the boat cored or did they do the entire hull? How did that work where the keel meets? Is it possible that a through-hull is leaking and water is running up to several feet along the core and popping up somewhere random where it has found a weak spot in the fiberglass? -- Jacob Fuerst 303-520-4669
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