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Doing Pygmy butt joints requires that you butt the two peices together, put 'glass tape and epoxy on the joint, then weight the apparatus down to squeeze out bubbles and keep the joint from moving while it cures. The mylar is just there to keep your weights from sticking to the panel. Could lead to unnecessary weight and drag...
Dean
> I don't have any answers, but I do have a question. What is the mylar for?
> I have never done any plywood panel butt-joints. I'm thinking about a S&G
> boat next. Is the mylar supposed to smooth out the joint or is it just
> used as a temporary covering while the resin sets up? Isn't there some
> type of material that is designed specifically for placing over a 'glass
> layup to smooth things out? I cannot remember where I read it, but is
> seems that there are materials out there for these types of situations?
> Would scarf joints be better? There is a man named Dave Carnell who has
> some information on 'glass re-enforced plywood butt joints. I appologize
> for responding to your question with a question. gar
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Guillemot Kayak - High
Performance Wooden Sea Kayak Designs
