Here is a horror story I have the misfortune to be repairing at this time. It is a Catamaran with fiberglas hullls and fiberglas over plywood for...
to Robert Black Steel is not forever either. I have seen steel hulls you could put a fist through. I don't know how the pumps kept it afloat to...
It's been a long time simce I joined in but I really want to put my 2 cents in. After repairing nearly a hundred osmosis victims I agree with...
As an ex Ciba Resins Dept adhesives tech man I can tell you that FRP to metal is not all that difficult. The most essential element is the surface...
I would suggest doing the 12/15 to one scarf grind on the outside first if it is still in the correct shape. Grind about 1/2 of the way thru then...
SOME GOOD IDEAS HERE. The wax fillets are available in many shapes and sizes as well as sheet wax in many thicknesses. They are used to simulate...
Heres another Epoxy measuring tip. Check the can and if the ratio is by weight or volume, most unfilled systems are, simply pick up a clean stick...
Wellcraft, It's hard for me to believe there is no foam in PR. check further. If you find liquid 2/3 # density foam you can make a tray from 2x4s...
The top I described has no foam core. It depends on the tubular frame for support. If a core is used it would be bedded in right after removing...
You should be able to do fine with a little over one quarter which equates to two more mats and one layer of 10 oz 1500 type cloth. The cloth will...
I have built many Fiberglas Hardtops and use the flat table system to create the skin. If the finished part requires a bend I put down a Gel Coat,...
Hi guys, just a point for consideration. If you are repairing below decks, say in an engine room or where oil or grease is present NEVER sand...
Hi Guys, There is a new core material on the scene. The stuff is from Coosa Composites in Pelham Alibama. see at "coosacomposites.com". Chap...
Hi Tony, Very interesting stuff. I would like to see some sample material & Specs to evaluate it's possibilities in boat building. I can think of...
hansp77, You are absolutely correct, I read a very technical report on the subject and felt like I was being overwhelmed with jargon even though...
Hey guys, I am going to send Steve Smith a note inviting his comments on this thread. Steve is the Owner of "Smith & Company" who make most of the...
VEGA, thanks for the link to the Pascoe report. Just read it all and it was impressive. His reference to cored boats was also "right on"....
Guillermo, Let me clarify the hydrolize statement as simply as I can. It is a Chemistry problem. Polyester is created (oversimplified) by the...
I have repaired approx. 25 older sailing craft 30 to 50 ft. in 3 years. They had osmosis damage of several types and I have come to believe it...