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Author Topic:   Drip drip drip
John O posted 05-24-2002 09:27 PM ET (US)   Profile for John O  
Noticed water seeping out around the outlet at the borrom of Montauk 17. The boat has no water on the deck and the pulugs are pulled as it is on a trailer and has not been in the water for 2 weeks,the water is seeping from the seam around the lower drain, Is this a serious problem? is there water in the Hull.
Just bought boat and am about to fill in screw holes that previous owner left open where plate covered controls to motor from hull
Landlocked posted 05-24-2002 11:10 PM ET (US)     Profile for Landlocked  Send Email to Landlocked     
Doesn't sound too good. I have a montauk and haven't noticed anything like that. The fact that its coming from a seam tends to indicate there is water where it shouldn't be. 1st step, I'd weigh the hull. Take it to a truck stop like Flyin J or to a landfill or rock/sand quarry. They'll let you use their scales if they aren't too busy. Compare the weight you get - motor weight - any accessories to the hull weight shown in the reference section and see how you differ. This will at least give you an idea whether or not you have a serious problem.

Don't stress out too much. I've heard stories of folks running wet whalers for 20 years. Wouldn't keep it in the water though. Give it some time to drain out between trips.

Ll.

John O posted 05-25-2002 12:07 AM ET (US)     Profile for John O    
Thanks, will give it a try. Sould the outlet tube(s) be replaced? Cause of water seepage?
browning20ga posted 05-25-2002 12:24 AM ET (US)     Profile for browning20ga  Send Email to browning20ga     
John O, I had a similar problem, a little leakage around the lower drain tube, but only when the weather was above 80 degrees. Drain tubes do rot out, there are several threads on this site re: bad and replacing drain tubes. I stuck a waded up paper towel in my drain tube and it still dripped 5 or 6 drops an hour, so it was leaking out around the tube and that may be how it got in there in the first placelook in your tube and see if its bad and then do the paper towel to see if it might be dripping out AROUND the tube. I drilled about a 1/4" hole below the drain and a little dripped out but not much more than originally, waiting for a good hot day to see if it starts up again if not I'll seal up the hole and seal around the tube.
Good luck, Darrell
Tom W Clark posted 05-25-2002 12:43 AM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
John O,

The dripping you describe is very common. Clearly there is some amount of water in the hull of your boat. The brass drain tubes apparently do corrode and the O rings that seal each end of the tube can rot out and fail too.

You can weigh your hull to reassure yourself its not seriously water logged but a 50 pound variation might represent 6 gallons of water in the foam or it might just be a difference on how your particular hull was laid up.

By all means, replace that leaky drain tube. Use some polyurethane caulk when you put the new one in.

I think your situation is the perfect application for the suction method of water removal. We know from the experiments with Chain Saw Whaler that suction will not dry out a waterlogged hull but can be used to get a few gallons out. (If your haven't read the CSW thread you might want to review it http://continuouswave.com/ubb/Forum1/HTML/001747.html )

Here's what I would do: After you get the old drain tube out tilt the hull to get the small benefit of gravity on your side. Hook a vacuum pump up to a hose, preferably a stiff plastic one that will resist collapsing, run the other end to the attachment side of an "ear-muff" motor flusher's suction cup and just stick it over the transom drain hole after you plug up the inside hole.

The vacuum pump should be able to suck water out of the foam along the drain tube's path. I am unsure how much water you will remove but anything is an improvement.

When no more water is being removed then go ahead and install your new drain tube, either brass or plastic.

John O posted 05-25-2002 10:25 PM ET (US)     Profile for John O    
Worked on boat all day ...no dripping temp aprox 65-70. Detached speedometer from lowest point in hull ( stern) and drilled the hole in a far as bit would go. No wettness or dampness. Also removed fish finder on the lower part of stern without any wettness. drilled holes out on deck and found some moister in holes that stern bench may have been attached. Port side holes were dry. The rim around the stern drain had some corrosion..were water was dripping..5-6 drops per hour. I bought boat last week. previous owner did not fill screw hole from removed brackets on bow cooler. stern deck has spider cracks stemming from holes that were drilled for stren transom seat and filled with epoxy or glass resin. Hull is solid. I will try suction method on stern drain as described on previous posts. Plan on re gel coat with Spctrum color and Duratec high gloss additive.
where2 posted 05-28-2002 12:21 PM ET (US)     Profile for where2  Send Email to where2     
Had a similar dripping from the stern of my 15' last year. Within a few months, the drain tube split in two, and then I figured out why the dripping was happening. When the drain tube comes out with the plug some day, you'll know why it's dripping. Not alot of water, but how much water do you need to cause rot in the transom? Replace the drain tube, and go back to enjoying boating.
John O posted 05-28-2002 12:29 PM ET (US)     Profile for John O    
Just ordered tool to put lip on new pipe will replace this week. Going in water in 2 weeks.
will use OEM tube.

Thanks

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