posted on January 14, 2013
That's fine for getting 4" distance accurate but not necessarily for achieving the correct tension, as this might end up at 3 1/2" or 4 1/2".
My suggestion , (and it's only a suggestion!) is set the 4" as described above and then take the genoa down and rehoist it UPSIDE DOWN!! Stand around for a few moment whilst all the smart bottoms (there might be children reading this) come up to you, wetting themselves with the pleasure of being able to tell you what a plonker you are, only to have the wind taken out of their sails (pun definately intended) when you explain that quite obviously you are adjusting the tension of the luff using the lanyard at the top of the sail, thus retaining an accurate 4" at the tack. Tape the lanyard up, as once set you shouldn't need to do it again.
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