I can't agree with Tim.M's comment - "Not Terrible!" It may not be in $US, but for anyone outside the US it translates to a significant, and...
Old Sailors Plans Pity, missed out... never mind. It would have been easier than re-inventing the wheel.
I'm interested in a set, can you contact me with cash xfer details etc, pls?
Quote:- guindant = luff, thus I think you're talking about the tension on the main halyard? Do you mean a 'Cunningham' downhaul? Another...