Keel issues

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Postby danieljcpa » Fri Oct 01, 2010 4:45 pm

I have J80 384. During the past season (3 months of sailing an average 2 days each week in very moderate conditions at Huntington Lake Ca) we have developed significant surface cracks at the top of the trunk.

There is also a crack in the starboard side at what looks like the sump to keel joint about a foot down from the hull.

We jacked the boat up on the trailer using the trailer pads and attempted to flex the keel and it does not move from side to side even with aggressive pushing. Also, there is no sign of any cracks, or flex inside the sump.

I realize I need to have a professional look at this, the issue is that I want someone schooled by J boats or at least familiar with the J80 Keel issues.

We are located in Fresno California and there are no boat yards here. I need a referral to a J-Boat authorized repair facility, someone like Gulf Coast Composites, somewhere out here in the west...preferably from San Francisco Bay area, however, Southern California would also work for us.

Who are the good J boat yards out west?<img src="http://j80.org/discus/messages/5/925.jpg" alt="Keel issues"><img src="http://j80.org/discus/messages/5/926.jpg" alt="">
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Postby sailor44 » Fri Feb 11, 2011 7:17 pm

I need to install a fathometer in my boat, and I am curious of anyone has done this, without using a thru hull transducer, I.E. without cutting a hole in the hull. Has anyone done this, and if so,where is the best place to place it? Some instruments claim to be able to "shoot thru" the glass hull.

thanks in advance!
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Postby rrubel » Sat Feb 12, 2011 10:45 am

on the stbd side of the mast step is a solid glass patch for mounting or drilling for a transducer; ( you can see it clearly by lightly sanding away the interior paint) i epoxeied mine there and it lasted a few years, but more recently cleaned it and reaffixed it with 4200.
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Postby sailor44 » Sat Feb 12, 2011 1:07 pm

Richard, Thanks for the info! May I assume that it worked just fine for all this time??
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Postby rrubel » Sun Feb 13, 2011 10:56 pm

yes, , but it stops working when the seal gets broken. Clean it then reaffix.
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Postby sailor44 » Mon Feb 14, 2011 1:18 pm

Thanks , Richard.

BTW, do you have to sand off the paint to make it work, or can you just stick it to the painted surface?
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Postby rrubel » Tue Feb 15, 2011 8:23 pm

Not sure, it only took a light sanding and i felt there would be less chances for air gaps to form
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