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Old 09-09-2010, 09:35   #1
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Join Date: Mar 2010
Location: Galveston, Texas
Boat: Beneteau 393 12 meter - Midwinter's Dream
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Bilge Water


I had an interesting situation arise and just wanted to see if anyone could shed some light.

I own a Beneteau 393. Beneteau has a hull liner, pretty much everywhere. I was trying to access the actual hull and cut through the liner under to sole of the galley. Suprise to me there was water between the real hull and the liner.

Is this normal, where is the water from, just condensation or is there an access point that it could migrate to this area from? Is it of concern? Is there a point that it would enter the bilge to be pumped out?

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Old 09-09-2010, 10:27   #2
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Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
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It is not "normal" but it may not be uncommon. There are necessarily gaps between the liner and the hull throughout the boat so the source could be anywhere "up stream" from the given location. First determine whether the water is salt or fresh and then check the usual suspects although it could also be from an unusual source.

While it may not be particularly helpful, for what it's worth, places that I have found elusive leaks over the years (but on several different boats) include a crack in an exhaust hose in the riser above the thru-hull; a crack in the mixing elbow on our 4-108 when it was at roughly 3100 hours; a worn lip seal in a Johnson raw water-pump that allowed water to enter the bearing chamber and then escape; a broken drain-plug in the body of a Groco raw water strainer; a failing pressure relief valve in a water heater that only leaked when it was hot; a leak from corrosion in the welds on a stainless-steel water-lift muffler; an intermittent leak around the edges of the pulse damper on the underside of a pressure water pump; a leak at the cuff of a fresh-water fill hose at one of our water tanks when a very hard to reach, to say nothing of see, hose clamp failed; a crack in the spout of a sink-drain in one of our heads (the drain hose was bent at a sharp angle applying a bending load to the spout which failed as it aged). This litany could go on but the foregoing were some of the more problematic.

Good luck...
"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
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