[Rhodes22-list] hull problems?

[Hank]

The cracks look like gelcoat crazing to me.  I agree with Rummy on how
to deal with it.

Hank

On Tue, Oct 12, 2010 at 8:09 AM, Joe Babb <joe.babb at comcast.net> wrote:
> 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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