[Rhodes22-list] CB trunk Surgery - Roger's Recommended MOC

[Steve]

Roger
3-M 5200 polyurethane caulk to
> build up the patch as some
> others have suggested.  Polyurethane caulk has the
> wrong MOC properties for
> this application.

I don't get what you mean here.  I wasn't talking
about building up a patch with 3M 5200; 3M 5200 is the
patch if you when that route.  Also, what are you
talking about when you say MOC properties?
Steve


--- Roger Pihlaja <cen09402 at centurytel.net> wrote:

> Lou,
> 
> I would use prefabricated G-10 sheets.  G-10 is a
> composite material made
> from oriented glass fiber & epoxy and it is very
> stiff.  You will be able to
> cut it with a saber saw to an exact fit into
> whatever size & shape the hole
> in your centerboard well ends up being.  You can
> order G-10 in panels as
> small as 12 inch X 12 inch up to as large as 36 inch
> X 48 inch in any
> thickness ranging from 1/32 inch to 2 inch.  Use an
> unthickened epoxy tie
> layer soaked into the cement and also on the cement
> side of the G-10 patch.
> Then, I would use a fiberglass tape laminated with
> epoxy to bridge the
> remaining gap between the G-10 patch and the old
> centerboard well.  The
> centerboard well side of the G-10 patch will still
> need the final coat of
> epoxy loaded up with West 422 Barrier Additive. 
> G-10 sheets can be ordered
> from:
> 
> McMaster-Carr Supply Company
> 473 Ridge Rd.
> Dayton, NJ  08810-0317
> 732-329-3200 (Sales)
> www.mcmaster.com
> 
> Tell them you want "Grade G-10/FR4 Garolite" in
> whatever sheet size &
> thickness you need.
> 
> Note, do not use 3-M 5200 polyurethane caulk to
> build up the patch as some
> others have suggested.  Polyurethane caulk has the
> wrong MOC properties for
> this application.
> 
> Roger Pihlaja
> S/V Dynamic Equilibrium
> 
> 
> ----- Original Message -----
> From: "Lou Rosenberg" <lsr3 at MAIL.nyu.edu>
> To: "The Rhodes 22 mail list"
> <rhodes22-list at rhodes22.org>
> Sent: Thursday, December 09, 2004 11:22 AM
> Subject: Re: [Rhodes22-list] CB trunk surgery
> 
> 
> > Roger,
> >    I purchase a small cutting disc for my dremel
> yesterday and hope to
> > begin the work on Sun.
> >    My plan is to:
> >     Remove the cement which is causing the bulge, 
> then I will have to
> > insert a  thin plastic or metal piece to cover the
> cement as the
> > epoxy will not bond directly to the cement
> effectively.
> >   I will sand the thin plastic down for good
> adherance  quality and
> > hope to just fit it under snugly to the
> surrounding trunk.
> >   any comments/ suggestions??
> >   Lou
> >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> >
> >
> 
> 
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> 



		
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