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From: Terry Etapa (no email)
Date: Wed Aug 01 2007 - 16:22:21 EDT
Larry,
I'm not doing any blister repairs, I've just got a question on the scarf
ratio.
You say:
> Then get a grinder and grind
> away the surface of each blister with 36 grit paper until you are down to
> intact
> fiberglass. Be carefull, don't grind through the hull.
When I specify scarf structural repairs to CFRP, I use a 30:1 taper ratio.
Is there a reccomended ratio for blister repairs?
You say:
> Cut a number of discs out of 10 oz. fiberglass cloth in varying
> sizes ranging from the diameter of the largest blisters, decreasing in
> size by
> half inch increments. Now for the real work.
Are you saying leave a 1/2" overlap per ply?
Just a few questions from a wooden boat owner.
Terry Etapa
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