[Rhodes22-list] How bad is my CB plate?

[The Rhodes 22 Email List]

I see three problems with this approach to flowing on a epoxy resin surface.
First, the trunk flange would have to be absolutely level or the epoxy would
be much thicker at one side or end than the other. Getting the boat adjusted
so that the trunk top is perfectly level would be very difficult. Second,
the cap will not likely be perfectly flat. Even if you get it level, if it
isn't flat the resin will just run off. Applying a paste to the cap flange
and clamping it to a flat surface flattens the cap flange and creates a
perfectly flat surface. Third, epoxy resin by itself is not nearly as strong
as when it has an appropriate filler.

Graham 



-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22 Email
List
Sent: January-18-15 10:22 PM
To: The Rhodes 22 Email List
Subject: Re: [Rhodes22-list] How bad is my CB plate?

I believe you could repair this problem.  A friend of mine always says "you
can make ANYthing out of fiberglass except money!"
The gelcoat must go! If you want a smooth and level surface for your
neoprene gasket consider this.  Fill and grind each surface as flat
possible.  Fill the holes with resin.  Grind out cracks bigger so the resin
can get in there. Any gaps bigger than say 1/4" need a bit of fiberglass
cloth stuffed inside.  Sand as smooth as possible the set level, make a
little dam all around with tape then pour resin with hardener for a slow
set. If properly done this will give a super flat shiny surface.  Do the
same with the cap but it is set upside down.  Try not to get the depth of
that resin pour more than 1/4". You prob will still have to sand this clear
resin layer but you can go up in grit and even polish it smooth with a
buffer.

> On Jan 18, 2015, at 8:52 PM, The Rhodes 22 Email List
<rhodes22-list at rhodes22.org> wrote:
> 
> Graham,
> 
> I have been doing a lot of reading recently on fiberglass repair. And you
are correct in regards to making sure the mould release agent is gone,  but
the two different authors i have read state that you just have to give the
gel coat some teeth to hold the new epoxy.  They suggest sanding lightly
with 100 grit paper. 
> 
> They both state that extra material should be removed any place that is
cracked by grinding it into a shallow 'V'. One recommends using using 'chop'
as the material to fill it with then saturated with epoxy. 
> 
> The other days that pretty much any fiberglass material will work for
fill. 
> 
> James
> 
> Sent from Yahoo Mail on Android
> 
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