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1987 Beneteau 305 First (dual spreaders) mast adjustment
I have recently purchased a 1987 Beneteau 305 First. The previous owner, during our pre-purchase discussions, mentioned, that there is very little adjust in the running backstay, due to (his belief), the vertical mast position is angled to far back/aft to stern, thus reduing the backstay adjustment travel.
There is a Tuff Luff foil on the forestay.
1. Is there a methodology to determine the ideal mast angle?
2. Is there a documented, step-by-step process I could use to acheive this ideal.
Being a avid windsurfer, I know the difference a 3cm adjustment in the downhaul can make in the shape of the foil/characteristics of the sail. I do not have this same appreciation on a keel boat, thus the inquiry?
Thank you in advance for any suggestions.