[Public-List] Info on keel

[John Birch]

Hi Edward,

I went through the same dilemma a few years back, but with a shallower 
gouge. I believe the layup at the bottom is well over an inch.

I put some underwater epoxy putty stick on and waited until liftout. I spent 
the time figuring out how I would place the boat in the cradle to get at it. 
If it is a long gouge you may have to lift the boat twice to finish the 
repair.

I used Marine Tex epoxy putty after letting it dry out over the winter and 
thoroughly acetoning the area several times to draw out any moisture. Marine 
Tex fairs out well and can be sanded, it can even be used to fix cracked 
fuel tanks and exhaust manifolds.

It doesn't sag when applied to an overhead surface and when cured is 
extremely strong.

You can use cloth with it if you feel the need to restore strength, but I 
doubt you need to.

Most likely when you get it hauled you will find the gouge not nearly so 
deep as it appears when hanging upside down in the water holding your 
breath.

By the way, those under water epoxy sticks don't hold worth beans, knocked 
it out in one piece with a tap on a chisel.

Go make some money sailing her to pay for the potential double lift and wait 
until haul out.

Of course this advice is based on what sounds like a fairly superficial 
gouge without my inspection.

But that is my suggestion

Best

John


----- Original Message ----- 
From: "edward schroeder" <eddiediver at sbcglobal.net>
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Sent: Monday, August 23, 2010 12:51 PM
Subject: Re: [Public-List] Info on keel


Hey, everybody. Thanks for your prompt replies re: the Emotional Rescue 
keel. Many of you recommended methods to repair the fiberglass; none of you, 
however, told me the answer to my question.

Is the keel a certain thickness of fiberglass filled with misc. pieces of 
metal and filled with cement grout OR is it a solid metal keel covered with 
a certain thickness of fiberglass? When I was given management of the boat 8 
years ago, the exposed V-berth sole was lightweight concrete encasing pieces 
of scrap iron. I have no idea how far down that material goes.

The bilge is not taking on water. Would you be concerned that the fiberglass 
is becoming saturated with fresh lake water such that we can not/should not 
wait until Oct. 15th for a haulout and repair?

With approx. 1/2 inch deep gouges in the very bottom of the keel, do you 
think that the encased metal is dangerously starting to rust and therefore 
expand?

I am the volunter boat manager and my thought is to wait until Oct. 15th, 
but I am being pressured by the club president to have the boat pulled now 
and repaired. If I do that, we loose revenue from teaching lessons, taking 
out under privilged urban kids, church groups, etc.

Ed Schroeder

--- On Sun, 8/22/10, George Dinwiddie <gdinwiddie at alberg30.org> wrote:


From: George Dinwiddie <gdinwiddie at alberg30.org>
Subject: Re: [Public-List] Info on keel
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Date: Sunday, August 22, 2010, 5:39 PM


Richard,

On 8/23/10 4:38 AM, Richard Mair wrote:
> Just remember if you use epoxy then you have to use cloth in the lay
> up..Matt. has binders which the epoxy will not break down..

It depends on the glass mat. It used to be that it was held together with 
starch, which dissolved in the polyester resin but not in the epoxy. Now you 
can find glass mat which doesn't use starch and works just fine with epoxy.

- George

-- ----------------------------------------------------------------------
When I remember bygone days George Dinwiddie
I think how evening follows morn; gdinwiddie at alberg30.org
So many I loved were not yet dead, http://www.Alberg30.org
So many I love were not yet born. also see:
'The Middle' by Ogden Nash http://idiacomputing.com
----------------------------------------------------------------------



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