The most challenging part of doing an inside the hull epoxy repair will be the positioning of the hull so that the repair area is on the downhill, gravity advantaged side of the hull's position. Be sure to have the repair area on the low side. You need to have the repair section at a gravity advantage so that the applied resin will sink down into the woven fiberglass reinforcement material and the air bubbles will lift and escape out of the high side surface.
GARY -- In [EMAIL PROTECTED], "Bob Thackery" <awesome-engnr- [EMAIL PROTECTED]> wrote: > > Tom & Rick, > > Epoxy is higher strength and more expensive than polyester. Epiglas > brand epoxy resin and hardener is considerably cheaper than West > Systems brand. A quart is probably enough for what I imagine you > will need to do. You can usually find epoxy resin, the appropriate > hardener and fiberglass cloth at a local boat store, auto body repair > resin. > > Check out West Systems website for information on their products, > their uses, and instructions on how to work with fiberglass. > > The toughest part of adding additional fiberglas inside your hull > will probably be sanding the existing inside surface adequately so > you'll be able to assure a good bond. > > Be sure to heed the warnings regarding breathing the fumes. If you > do the work in a well ventilated area you'll probably be okay. > > Cheers, > Bob Thackery > > > > --- In [EMAIL PROTECTED], Ron Waterstreet <[EMAIL PROTECTED]> wrote: > > Richard, > > Chopped fiberglass is not the strongest. Cloth or mat is the way to > go. > > Buzz > > > > > > Richard Stanley wrote: > > > > >I used a mirror to inspect the so called "putty." It looks to me > like the > > >stuff they call epoxy putty and sell in the back of the Hobie and > Murrays > > >catalogs. It is hard as a rock. > > > > > >I have no idea which fiberglass mat or epoxy putty is the > strongest. There > > >are a bunch of different types of fiberglass mat and different > weights. I > > >thought I had understood that the chopped strand mat was the > strongest, but > > >I am not sure. I read something about unidirectional mat proving > high > > >strength. It looks like you can get it in 3/4 oz and 1.5 oz > weights. I've > > >been doing some research, but I don't have any answers yet. > > > > > >I'll let you know what I find out. > > >rick > > > > > >-----Original Message----- > > >From: Thomas Hundley [mailto:[EMAIL PROTECTED] > > >Sent: Wednesday, October 27, 2004 1:33 PM > > >To: [EMAIL PROTECTED] > > >Subject: [beachcats] Re: Not to resurrect a sore subject! > > > > > > > > > > > >Rick, > > > > > >I think what I'm going to do is apply the patch just as Matt with > > >Hobie recommended but in three layers, starting small in the area > of > > >the plate and increasing in size up to the size (12" x 16" or so) > he > > >recommends. What do you think? Do you have any idea what putty > to > > >use that Matt recommends? > > > > > >Tom > > > > > > > > >--- In [EMAIL PROTECTED], "Richard Stanley" > > ><[EMAIL PROTECTED]> wrote: > > > > > > > > >>Tom, > > >> > > >>The link worked for me. Thanks for the sending out the link. > > >> > > >>I am planning on taking on the job between now and when spring > > >> > > >> > > >hits. At the > > > > > > > > >>same time, I plan on making other hull repairs such as a possible > > >> > > >> > > >bottom > > > > > > > > >>job, installing clear screwable inspection ports, and fixing the > > >> > > >> > > >hulls below > > > > > > > > >>the drain holes where a previous owner apparently dragged the > boat > > >> > > >> > > >on or off > > > > > > > > >>the trailer and scraped off about an inch of fiberglass at a 45 > > >> > > >> > > >degree > > > > > > > > >>angle. I also want to inspect my hulls at several places I > > >> > > >> > > >noticed there is > > > > > > > > >>some white silicone minor repair work. I'll keep you informed of > > >> > > >> > > >my > > > > > > > > >>progress. > > >> > > >>rick > > >> > > >>-----Original Message----- > > >>From: Cary Palmer [mailto:[EMAIL PROTECTED] > > >>Sent: Tuesday, October 26, 2004 7:33 AM > > >>To: [EMAIL PROTECTED] > > >>Subject: Re: [beachcats] Not to resurrect a sore subject! > > >> > > >> > > >>Tom: > > >> The Web page says this Topic does not exist. > > >>Is this my PC or is Hobie trying to duck out now that we have a > > >> > > >> > > >group > > > > > > > > >>interested? > > >>Cary > > >>Back in the Hobie Family (Who woulda thunk that?) > > >> > > >> > > >> > > >> > > >>>>>[EMAIL PROTECTED] 10/25/04 10:16PM >>> > > >>>>> > > >>>>> > > >>For those who have pre 1989 H18's and are concerned about hull > > >>failures similar to the one John Surprenant (and others > > >> > > >> > > >apparently) > > > > > > > > >>experienced, here are a few links from the Hobiecat.com users > > >> > > >> > > >forum > > > > > > > > >>in regards to the subject as well as a fix (although not easy) > > >> > > >> > > >that > > > > > > > > >>Hobiecat recommends. > > >> > > >>http://www.hobiecat.com/community/viewtopic.php?t=406 > > >> > > >>http://www.hobiecat.com/community/viewtopic.php?t=1293 > > >> > > >>Has anybody done this retrofit? > > >> > > >>Tom Hundley > > >>H18M > > >> > > >> > > >> > > >> > > >> > > >>Group Home > > >>http://www.TheBeachcats.com > > >> > > >> > > >>Yahoo! Groups Links > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >>--------------------------------------------------------------- --- > - > > >> > > >> > > >--------- > > > > > > > > >>-- > > >>PALMETTO HEALTH CONFIDENTIALITY NOTICE > > >>This message is intended only for the use of the individual or > > >> > > >> > > >entity to > > > > > > > > >>which it is addressed and may contain information that is > > >> > > >> > > >privileged, > > > > > > > > >>confidential and exempt from disclosure under applicable law. If > > >> > > >> > > >the reader > > > > > > > > >>of this message is not the intended recipient, you are hereby > > >> > > >> > > >notified that > > > > > > > > >>any dissemination, distribution, or copying of this communication > > >> > > >> > > >is > > > > > > > > >>strictly prohibited by law. If you have received this > > >> > > >> > > >communication in > > > > > > > > >>error, please notify me immediately. > > >> > > >> > > >> > > >> > > > >==================================================================== = > > >======= > > > > > > > > >>== > > >> > > >> > > >> > > >>Group Home > > >>http://www.TheBeachcats.com > > >> > > >> > > >>Yahoo! Groups Links > > >> > > >> > > > > > > > > > > > > > > > > > >Group Home > > >http://www.TheBeachcats.com > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > >Group Home > > >http://www.TheBeachcats.com > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > [Non-text portions of this message have been removed] Group Home http://www.TheBeachcats.com Yahoo! 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