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post #10 of Old 11-07-2012
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Re: sailcloth: laminated or woven?

Kevlar, like most other fibers, will snap when folded to too small a radius. Which is why synthetic lines will be rated for a minimum size sheive or turning block. Same thing.

So every time you fold a Kevlar sail, you're snapping some fibers in it. Which is a good thing if you're a sailmaker and can easily replace it, and make more sails by encouraging the practice. And as a practical matter that may be necessary in order to store the damned thing, and not make any difference to the first owner if you're going to replace it in a year or two anyhow.

But when you fold it, you do break fibers. The only question is how much, how quickly, and whether it matters to the owner.
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