Join Date: May 2011
Location: Portland, OR
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Coronado 25 restore--through hulls
I have a 70's 25ft Coronado that I have finally hauled out and am working to restore. My biggest problem has been my cockpit drain failing, and my cockpit filling with water during the rainy season. Below deck, the valve for the drain is completely corroded and seized up. Also, the boat came with a head that no longer worked, so I removed it. Only problem is that the waste-out through-hull is a total mess of fiberglass and I wasn't able to cleanly cap or plug it. This is the first boat that I have had and I don't know much about through-hulls, but looking at the ones that are installed on my boat, they seem unique at best. I was under the impression that most through-hulls were backed on both sides and sandwiched the hull, but now that I have a good look at the bottom, they appear to just be pipes that are glassed right into the hull. Right now I have a port-a-potty onboard, and my original intention was to just glass over those through-hulls in an attempt to minimize possible failures, but people have been trying to talk me out of that, saying that it is better not to limit future options.
Basically, I want to make the boat as simple and worry-free as possible, and I don't trust the most of the hardware that is on there at the moment. What should I do? Glass over any unnecessary holes? Should I cut out whatever is going on and then install new through-hulls and just place a closed seacock on any that I am not currently using? Any advice or experience with these boats would be appreciated! Also, any recommended sources for this hardware?
Top photo is the interior, where the head used to be
Second is the larger through-hull from the outside
Then, the drain directly below the cockpit
And finally, where that drain meets the bottom of the hull
Last edited by harraik; 05-15-2011 at 04:53 AM.