Oh boy now i dont kow what to do about the indside. I kind of like the idea of no fill coat, just cause its a bit liless weight and work. My epoxy is uv resistant so not too much to worry about that, although i will probably varnish the outside so it looks nice.
I am going to cut my boat to the gunnels before we lay on the carbon copy. The plan is to use boat shrink wrap and some partal mold release wax. Likely two layers of carbon the two 6oz layers of glass on the outside with a s glass football. Any thoughts?
Ben,
If you do decide on the double carbon, double 6 oz layup, let me share my experience with my carbon copy.
I had my existing boat fully finished, the gunnels were definitely in the way...
My crease and the very stiff carbon didn't play well together. I attempted to force the carbon to replicate all of the crease by using clothes pins on the wet carbon. No dice, as those pesky gunnels got in the way again. And I didn't have the right clamps to do the job.
It was very difficult to see when the carbon was fully wetted out, in fact, I did have some resin starved spots that needed more resin after parting the shell and plug.
If I were to do this again (here's where you come in) I would do the double 6 oz first. Easy to see when it's fully wetted out, and it will conform to nearly any hull feature. Then, I (or maybe you) would remove the shell from the plug and add the carbon to the inside. That way (ok, I'll stop now) I could see clearly when the inside carbon is wet enough, and I could control the final texture.
Of course, it's your build, but if you can benefit from my struggles, so much the better.
Also, I did add some 1/8" Divinycell foam, and some more carbon over the top of the foam. It added an incredible amount of stiffness! However, I do believe that I could have used some more 6 oz on top of the foam and still had adequate stiffness. I did quite a bit of modeling of the various layups, and that last layer of carbon was redundant. Further, the 1/8" foam sandwiched between double layers of 6 oz glass will do far more to improve the stiffness than 2 full layers of carbon. Or so says the 3D modeling stress analysis software. (Don't tell anyone, but I do plan to do an all glass and foam layup next year once I figure out the technique)
Lastly, weight, for me, is a pretty big concern. I am getting older and weaker as the years hang on me. Unfortunately my 61 year old body can't hold up to my ambitions. My psyche is still 30 years old!! I still do carry for up to 5 miles on maintained trails, and up to 2 miles bushwhacking with a canoe overhead, so I either have to go lighter or I don't go at all!
