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Go Back   SailNet Community > On Board > Gear & Maintenance > Look at this bleed through...
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Thread: Look at this bleed through... Reply to Thread
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Topic Review (Newest First)
04-29-2013 11:51 AM
blutoyz
Re: Look at this bleed through...

There were no previous repairs. I took it down to dry it out, mixed some glass powder from a recent cut(speaker install) with marine epoxy and filled. It was only two quarter sized spots. Next week I will sand and coat with AF paint.

It was very minor once I investigated it further. I think that they were acually a couple of minor hull blisters after a closer look. They have nothing to do with the keel joint other than proximity it seems.

Thanks for all the ideas
04-28-2013 02:14 PM
mad_machine
Re: Look at this bleed through...

I would definatly think about removing a keelbolt or two and seeing that lies beneath what you can see.

It might also be a good time to consider taking that area of the bottom down to the gelcoat to see what kinds of repairs have been made there in the past
04-28-2013 11:25 AM
bljones
Re: Look at this bleed through...

Chances are the keel is sealed to the boat wiht a flexible caulk, so simply slathering some bondo over it isn't going to do much good. Clean up the joint, and tighten up your keelbolts.
04-28-2013 09:14 AM
blutoyz
Re: Look at this bleed through...

I ground it back to get the rest of the water that worked it's way through out and will fill the small areas with some resin. It looks like some water worked into the joint over the winter through the keel bolts. If it was a big $$$ boat I would drop the keel and have a look-see but it is not so I will not.

One of the old-timers at the marina said to use bondo with glass mixed in.
04-27-2013 05:42 PM
TQA
Re: Look at this bleed through...

If the bilge is not filling up when it is in the water I would slap on some fresh AF and go sailing.
04-26-2013 08:37 AM
blutoyz
Re: Look at this bleed through...

Well...no one wrote

OH MY GOD...your boat is nothing but salvage now!!!!

That is a good thing so I will take a close look once more, clean it up, and paint it for launch. The PO never had any leaks and I am not planning any bluewater cruising so it will be fine I am sure.

As you can tell I wasn't expecting a perfect boat for my whopping $3k

Thanks for checking out the pics and I will post if I find the actual cause today.

Bill
04-26-2013 05:53 AM
Minnewaska
Re: Look at this bleed through...

I just can't tell from the pic, but it has the appearance of rust bleeding through the paint. What material is immediately behind the circles at the top of the streaks? If steel, its probably a no-brainer. Just grind down, epoxy coat and then reapply the anti-foulant. Pretty normal stuff, not a big deal. Although, its pretty evident that the keel joint is below the bleed through, so I'm not sure what material you have there.

Whether the keel bolts are any good is another story altogether, but I'm not seeing how they would manifest themselves like those pics, even if they were bad.
04-25-2013 11:44 PM
SloopJonB
Re: Look at this bleed through...

Quote:
Originally Posted by sww914 View Post
The tops of the keel bolts can look nice and clean but it's the part below the nut & washer (or head, as the case may be) that corrodes and breaks. Crevice corrosion.
Exactly right. If you have wetness in the bilge the chances are that the bolts are going bad where they pass through the hull, not under the nuts.

The only way to be sure is to drop the keel.
04-25-2013 09:29 PM
sww914
Re: Look at this bleed through...

The tops of the keel bolts can look nice and clean but it's the part below the nut & washer (or head, as the case may be) that corrodes and breaks. Crevice corrosion.
04-25-2013 09:13 PM
blutoyz
Re: Look at this bleed through...

I haven't pulled a keel bolt but theu look really clean ...incredibly clean for 30+ years I must say (new and shiny). Inside of the sump is fine, the wood is a little wet but the glass is clean.

That through hull is a drain and I have the plug for it.


The bilge pup is screww to an epoxied plywood base but I will look closer. It is aft of the worst "drips". More in the area with the discoloration.
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