B.Mac
12-01-2002, 08:14 PM
I do have a couple questions?
After I remove the inner skin and wet transom core I will have access to the inside of the outer skin. This outer skin has a diagonal crack in it clear through the gelcoat below the waterline.
My plan is to apply resin and mat to the inside if the crack and then lay some more over the whole interior of the exterior skin before I begin replacing the core. Is polyester resin and mat the correct material? Do I need some light cloth and/ or epoxy resin there? I get mixed up as to the application of polyester -vs- epoxy resins. I believe polyester is cheaper but does not have the "bonding" properties of the epoxy resins?
If I am correct, mat is primarily for "finishing" and cloth is for structural integrity?
2.) How do you bond the bottom of the stringers to the hull? I assume it's "glued" down to fresh ground "pink" glass with epoxy resin mixed with some kind of filler (caposil?) Then you lay bidirectional cloth up and over the whole stringer and out 6" in each direction onto the hull?
3.) When I bond the new 3/4" plywood core to the outer skin, do I apply wet mat to both surfaces then clamp it all together. Repeating the process for the second 3/4" plywood core? Do I use epoxy here or polyester?
4.) When applying bidirectional cloth that has mat integrated on one side, can this be appled directly over raw (resin coated) plywood or do I need apply resin & mat to the plywood first?
5.) Some guys say use only marine plywood, others tell me marine plywood doesn't bond to resin and glass as well as plain old exterior 3/4" CDX?
OK....thats enough question for now... I appreciate you reading this far into my madness :eek:
I'm taking all this to the glass forum so don't flame me yet please? Thanks guys.......
B.MAC:D
After I remove the inner skin and wet transom core I will have access to the inside of the outer skin. This outer skin has a diagonal crack in it clear through the gelcoat below the waterline.
My plan is to apply resin and mat to the inside if the crack and then lay some more over the whole interior of the exterior skin before I begin replacing the core. Is polyester resin and mat the correct material? Do I need some light cloth and/ or epoxy resin there? I get mixed up as to the application of polyester -vs- epoxy resins. I believe polyester is cheaper but does not have the "bonding" properties of the epoxy resins?
If I am correct, mat is primarily for "finishing" and cloth is for structural integrity?
2.) How do you bond the bottom of the stringers to the hull? I assume it's "glued" down to fresh ground "pink" glass with epoxy resin mixed with some kind of filler (caposil?) Then you lay bidirectional cloth up and over the whole stringer and out 6" in each direction onto the hull?
3.) When I bond the new 3/4" plywood core to the outer skin, do I apply wet mat to both surfaces then clamp it all together. Repeating the process for the second 3/4" plywood core? Do I use epoxy here or polyester?
4.) When applying bidirectional cloth that has mat integrated on one side, can this be appled directly over raw (resin coated) plywood or do I need apply resin & mat to the plywood first?
5.) Some guys say use only marine plywood, others tell me marine plywood doesn't bond to resin and glass as well as plain old exterior 3/4" CDX?
OK....thats enough question for now... I appreciate you reading this far into my madness :eek:
I'm taking all this to the glass forum so don't flame me yet please? Thanks guys.......
B.MAC:D