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Chopped glass is very lumpy and chunky and hard to work with without cabosil or flour.
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- cape man
- * Bateau Builder - Expert *
- Posts: 6531
- Joined: Sun Jan 20, 2008 12:02 pm
- Location: Lithia, Florida
I have a 3" hole in the bottom of my boat that is filled with "chopped" glass and epoxy for a shoot through hull transducer. I pulled apart the strands from some woven cloth and cut the glass fibers into tiny (less than 1/4") pieces and mixed with epoxy until I got the consistency I wanted. It certainly isn't as easy as wood flour to get the right consistency, but it will work. I also used the fairing mix sold here to fill gaps where my chase tubes came through the sole. I would not recommend the fairing mix for anything structural, like a filet or gluing pieces of wood together.
The world always seems brighter when you've just made something that wasn't there before - Neil Gaiman
I used milled glass fiber in a handful of places on my D5, and for sure you will want to combine it with cabosil/silica to smooth it out and prevent sagging. I would personally not use fairing mix; you would be partially defeating the whole point of using milled fibers by mixing it with a non-structural filler. Try to avoid using the milled fiber/cabosil mix anywhere you might need to sand. I used it in a few key places such as in the fillets around the daggerboard case, in the mast step area, fillets under the breasthooks (which also got a layer of bias cut glass), and anywhere that was drilled and filled for a fastener.
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