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Author Topic:   Water retention in hull
JeffA posted 07-04-2002 08:11 PM ET (US)   Profile for JeffA   Send Email to JeffA  
I just noticed today that my hull is holding some water. There was about 10 inches on the very bottom of the hull where the gell coat was worn and the person I bought it from kept it in the water at a dock. I drilled 6 to 8 small weep holes (3/8 inch) at the lowest points in the hull and to my amazment, a few drops of water fell. It's not a lot, just a drop here and there. There was also a depth finder screwed in the hull just below the drain plug. I drilled a few weep holes there to. If I keep this boat out of the water, will it eventually drain? It's been very hot here in Michigan so this may help drive out the water. Am I in trouble with this? The hull is not soft and there are no noticable wavey spots or anything of that nature.


tuna1 posted 07-04-2002 10:18 PM ET (US)     Profile for tuna1  Send Email to tuna1     
Hello Jeff and Welcome. A 1/8" diameter drilled hole would have been suficient for a test hole.If you live in a climate where the boat was outside in the winter and it went below 32`degrees(frezing).If water was present in the hull, it most likely damaged the foam by breaking down the cell walls of the foam.Turning the foam to act like a sponge,by allowing the foam to retain the water within the cell walls of the foam.When more water enters the hull it allows the breakdown of more of the foam and the area affected becomes larger with time.I presently are trying to dry a hull out that has the above damage.The hull when dry should be less than 700 Lbs but started out weighing more than 1100 Lbs.I have removed every screw in the hull and have been moving the hull around both axises and the hull nows weighs about 900 Lbs.It appears the hull is drying(water has never poured out of the hull) but it going to take a long time and other than pulling a vacume on the hull i know of no way to speed thing up. So welcome to the club and sit back and relax it's going to take time to complete the project.But good things come to those that wait.
Ohioboy posted 07-07-2002 08:16 AM ET (US)     Profile for Ohioboy  Send Email to Ohioboy     
Where would be the best place to drill some weep hole(s)? How many hole if i want to dry it out? I have some holes in the deck from were the seats and center console were and on a hot day red stuff ooze out the top. Does this mean I have water in the hull?
Bigshot posted 07-08-2002 02:09 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Before anyone drills holes....weigh the boat first. A newport sans engine and trailer, gas, etc weighs 950lbs. If she is in that ballpark.....fill the holes and run it. I bet just about EVERY Whaler has some water in the hull. 200lbs worth is not good but a couple gallons.....?
larimore posted 07-09-2002 07:19 AM ET (US)     Profile for larimore  Send Email to larimore     
I doubt that you will ever get the water out... Just prevent more water from getting in and enjoy the boat as it is. There was a string on this forum that went into fantastic detail on this problem.

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