John, I would love to hear more about your sailmaking experiences, and your spi.
Do you do the design, and buy finished panels from a sailmaker, or do you cut and mark as well? What software do you use to design your sails?
Here are some pictures of the Maxx Tornado sails we did this summer:
http://www.moldeseilforening.com/resultat05/hoststormen014.jpghttp://www.tornado-norge.org/lesMer.php?id=113The wrinkles visible was corrected with proper batten tension and downhaul. The design work was done in Sailcut CAD (
http://www.sailcut.com ), an open source saildesign software. Credits to Marcus Towell for helping out with the mainsail.
We have a spi in work now, at the design stage ready for 1:10 testing. For the 2007 season we want to do a completely new set and an experimental spi (which involves Per F.).
If nothing used comes up (usually not much power and height left in used jibs, but perhaps your friend doesn't mind to much?), Doing a design i Sailcut CAD, and giving your friend manual cut-lists and some explaination of the process should be enough. Perhaps some inspiration and support in the finishing phase..