[Public-List] Info on keel

[Michael Grosh]

I would think after 40+ years the underwater fiberglass acts like a sponge;
saturating when submerged, drying out when hauled. Vinyl bottom paint,
interprotect, etc. Can't be 100% effective, can they?

On Aug 21, 2010 5:51 PM, "Richard Mair" <ramair49 at gmail.com> wrote:
> Forgot to mention that if you do let it sit after the grind do a quick
light
> grind or sand before the lay up..
> Richard
>
> On Sat, Aug 21, 2010 at 6:46 PM, Richard Mair <ramair49 at gmail.com> wrote:
>
>> The fiberglass will start to absorb water.A gouge like that would likely
>> expose the fibers and that is what would cause the water
absorption..Though
>> the thickened epoxy will work it requires hauling the boat.. If that is
not
>> a possibility now i would get some underwater epoxy and seal the gouges
till
>> the boat can be hauled..
>> My preference for a repair would be to grind around the gouges about 3
>> inches out and taper the grind till the edges are just removing the gel
>> coat..If you can at this point let it sit if there is any sign of
moisture
>> and let this dry out.. At this point cut progressively larger pieces of
mat
>> to roughly match the taper you ground. At the smallest area you will need
to
>> be 8 layers to give you the 1/4 inch.. 8 layers is the most you should
put
>> on at a time,and lay them up with polyester resin..After this you can
fair
>> and gel coat or inter protect 2000.
>> Richard. into the blue 609
>>
>>
>> On Sat, Aug 21, 2010 at 9:17 AM, edward schroeder <
>> eddiediver at sbcglobal.net> wrote:
>>
>>> All; the Sail Chicago Club boat, Emotional Rescue #303, was run aground
by
>>> one of our members. After it was towed off by the Marine Police boat,
the
>>> Officer diver took digital photos which indicated 1/4 inch deep gouges
in
>>> the very bottom of the keel and approx. 6 inches up the sides of the
keel.
>>> We are preparing an insurance claim and need to assess the damages.
>>> Emotional Rescue is an 1968 vintage.
>>>
>>> The question; is the very bottom surface of the keel metal or is it a
>>> fiberglass? After a week, we are not getting more water in the bilge. I
have
>>> no idea if the fiberglass is slowly becoming saturated with water. Help!
>>>
>>> Ed Schroeder
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>>
>>
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