Rolf,

Our public library actually has “The art and science of sails” book in it. I put a hold on it and will pick it up. I’m going to buy the Maximum Sail Power book as well. Between the two of them I should be able to get a pretty good idea.

I also put a hold on the book “Sailmaker’s Apprentice” which was well received by the amazon.com reviewers.

I would be very interested in viewing any files you would be willing to let me look at.

I designed a new jib and square top main for my boat, just playing around Saturday morning while trying to shake a hangover. One question, I could not figure out how to make the gaff angle greater than 90 degrees it keep showing the angle as 90 on the rendering. I wanted it to slope down like your square top does.

I joined the sailmakers group and will start reading the backlog once they let me in.

Matt