[Rhodes22-list] hull problems?

[Bob Keller]

Joe,
I think the rusted pieces are ballast from around the centerboard trunk.  Do you have any area around the trunk where the fiberglass is missing or worn out and can you see any metal in that area?  I had parts of that area in my boat exposed and could actually see and touch pieces of the metal ballast.  There was no harm done as I fiberglassed over that area and all is well.  But the pictures you provided looked identical to what I saw around my CB trunk. 
Bob K
 
> Date: Tue, 12 Oct 2010 08:09:31 -0400
> From: joe.babb at comcast.net
> To: rhodes22-list at rhodes22.org
> Subject: [Rhodes22-list] hull problems?
> 
> Hi folks,
> It's time again to work on the boat. I'm hoping somebody can help me 
> with a couple of problems. Take a look at pictures labeled hull_x.jpg. 
> I don't know a whole lot about bottom paint. Stan says he used Petit 
> Trinidad on our boat which is a year 2000, recycled in 2008. We trailer 
> sail so the boat is on the trailer most of the time. Are the cracks in 
> the pictures typical with bottom paint after a couple of years, or is 
> this due to blistering, or what??
> The cracks in hull_1.jpg bother me the most as it appears like some kind 
> of layer has lifted just slightly. I don't know how long the hull has 
> been like this. I only looked this year because we lost some bottom 
> paint on the keel from grounding on soft sand this spring. At first, I 
> thought that the cracks in hull_1.jpg were the only ones, so I looked 
> inside the hull to see if I could see any damage inside. I pulled off 
> the cover to the water tank, then hauled out the water tank and its 
> floor. I found no evidence of damage where the cracks were located but 
> did find some blobs of rusty looking stuff on the keel/centerboard 
> structure. ?? Yep, they are magnetic. Where did these come from? See 
> picture rust_blobs.jpg. They seemed to be adhered to the keel 
> structure. Oh well, I was going to haul the centerboard this winter 
> anyway so I might as well tear up the floor to see what else I find. 
> One kind of "humorous" note was that on the inside face of the bulkhead 
> separating the head from the water tank was written in large letters in 
> pencil "DO NOT USE THIS PIECE". It looked like an okay piece of ply to 
> me. The tabbing connecting the bulkhead to the hull was loose but Don 
> Casey says one must expect this in any boat.
> What I mostly need is guidance on how best to deal with the cracks on 
> the hull, and where did the rust come from? Hull is very dry by the 
> way. We didn't do much on the water this year as it was so blasted hot.
> Joe
> 
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