Background, I have a free sailboat, on trailer, no mast, no boom/ spar ,sails, a few other key pieces are missing, but can be fabricated. It's a16' scow. Melges M16. It needs to have stays about 3/4 up the mast to the sides and bow. The proper mast exists somewhere, as do all parts, not even questionable to look for them, not worth it.

Question

Use a windsurf sail on a Ws mast, boom yet to determined, Ws boom may work
Since the stay attachments would prevent the sail from installing on the mast , any ideas on how to attach the sail?i think I could install it ok ,then downhaul could be a problem , I think I can dh just from the bottom pully / or grommet , not so much as we do , but enough to be loose yet produce.

sail sail would be 10m , umm maybe down to 7.5, it used a jib of about 3.5m , which would be easy to do.
Could work with just a jib, but would it go anywhere.

Im used to my ideas not working, but sometimes even a blind squirrel finds a acorn.