I installed a Harken Carbo Racing Foil on my J-30 last weekend. I installed the 7001.12 model. It takes a #6 luff line which my sails have on them. The Harken Compu-spec web site recommended a 7000.12 unit and said I would have to have my luff tape replaced with #5 Luff tape. I contacted Harken and they said that the 7001.12 foil would work. I measured the foil width and it is 1 - 5/16" wide which I believe is just a bit too wide to meet current class specs. I race PHRF so I don't care.
