One of the many things I'm confounded by is how to efficiently trim a #3 genoa
in light winds (less than or equal to 10 kts).
Frequently while pinching up before a race
we see the upper telltales break first so we move the lead forward to tighten the leech and remove twist even though most everything I've read says to move the lead back in lighter air to increase twist.
The usual result is that although all the telltales are streaming nicely, the jib
leech is now cupped which appears to my eye to prevent efficient air flow over the main even though the main leech telltales are streaming as they should.
According to the tales all is well; according to my eyes the slot looks way out of whack.
What am I missing?