Join Date: Sep 2008
Location: Victoria B.C. Canada
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Re: CDI mainsail reefing system
It looks similar to any of the in mast mainsail furlers but it is externally mounted. It will of course require a re-cut of a conventional mainsail to remove the battens and hollow the leech. The loss of sail area will affect performance compared to a conventional battened main with roach. Because the main is not attached to the mast for its full length that will affect performance as well.
I think the simplest most reliable system is a conventional battened main with 2 line reefing and lazyjacks. The battens and roach give a better setting sail and better performance. 2 line reefing, either from the mast or the cockpit is quick and easy to use and not prone to the jamming.
Living aboard in Victoria Harbour