Join Date: Jun 2005
Location: New Orleans
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Flying a Geneker
I know more about spinnakers than gennakers, but the gennaker is more like a loose-luff, lightweight genoa than a spinnaker, since, like the genoa, it''s asymmetrical, with a tack and a clew as with a jib, not with the two "equal" clews of a spinnaker.
So, you rig it like a jib, not a spinnaker. this means no pole is used, the padeye by your headstay is for the tack, and you sheet the clew aft to your leeward spinnaker sheet block. Then, ease your sheet til the luff (windward edge) just starts to curl in, and trim it just enough to stop that curl. Easing the sheet gets the luff out from behind the blanketing effect of the mainsail, so you ease it out more on a run, and trim it in more on a broad reach.
I bow to others with more gennaker experience, but think of it as both a spinnaker without a pole (and hence without the hassles of shifting the pole when you jibe), and also as a jib without any connection to the headstay. So it''s more "user-friendly" than a spinnaker, but lacking a pole, less of the sail gets out from behind the main where the "clean" air is.
Like a spinnaker, it''s most easily raised and lowered while blanketed by the main so it won''t fill while you''re getting it up and down.
Hope this of help.