What kind of gelcoat do you use? Cuting down 1/2 of the weight sounds interesting. When i tried saving weight on the gelcoat it didnt cured....
I would save almost 1 kg without that step. that is not bad, if the adhession is as good as with the prep-work. (and less work too) This boat is...
I am thinking of building an ultralight kayak. My normal building method is hand lay up carbon with epoxy on foam core and then vacuum bag...