Join Date: Feb 2000
Location: Annapolis, Md
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Re: Bob Perry's take on Wolfenzee's dream boat
Wolf, You really do not need to take that divot out of your mainsail to makle it work with roach and some full length battens. First of all, the original drawing already had a boom which was longer than your boom. But also even if the leech of the sail 'ticked the backstay' it would not increase wear noticibly nor would it hang up. The reality is that the battens are flexible enough that even a sail which has a 'planform' that overlaps by a few inches the backstay, has a flying shape that is well inside the stay, and too leeward. My mainsail overlaps my backstay by nearly 8" but with any breeze at all, it does not even touch the backstay on tacks and jibes.
But at some level, you are way over thinking all of this. When you can afford to buy a mainsail, even a used mainsail, it will still need to be cut to your boat. Your mastbend, and rig configuration would not be all that close to the modern boat where that used sail is likely to come from.
You will need a sailmaker to 'recut' the sail to fit and before that happens you will want a sailmaker to measure boat and the sail on the boat. More than likely they will then need to recut the luff and foot to make the sail fit properly (Even if it appeared to be the correct length when the sail is measured sitting on the loft floor.) And a good experienced sailmaker will be able to advise you on all of this at that time.
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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay