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Old 09-21-2012
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Re: Maximizing efficiency under sail

If light airs are expected on that route you would see significant gains from an Asymmetrical lighter weight sail vs your large genoa. A true Asymm will probably be usable between 60 deg to 150 degrees apparent to good effect. Since you're doing a 'circle route' of sorts it seems to me that barring heavy tradewinds you'll get good use out of such a sail.

Setting up a conventional symmetrical spinnaker is hands down the better way to get downwind, but unless you've all the required gear already that's a lot to put together, and on a 45 footer it can take a few bodies to safely and effectively gybe the sail.

If you've got a decent 'white sail' inventory then adding a carefully selected Asymm would be my choice for an overall effective versatile sail. Unless I'm mistaken the so-called Code 0 sails are mainly light weight headsails for closer-to-the wind-work (similar to what we used to call drifters).
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