Bob... twenty years ago High Tech was garbarge .. so it appears than as High Tech becomes more practical, the subject needs to resurface as most of us race PHRF. And those guys we race against are pretty much all Kevlar.
But then again we all had dacron jibs 20 years ago ...
I will not be sailing OD in Narragansett Bay this summer. A J30 without roller furling and slugged main is a dinosour and a crew killer ...
duh as our j30 designers currently seem also to believe.