[quote=DamonLinkous]This was discussed as an idea to combine flotation at the top of the sail, and use the "end plate affect" (not sure of the term) wing tips to improve air flow.
Create something like this picture attached to the top of a square top main.
Of course if all you want is flotation at the top of the mast, the standard is the Hobie Bob.
[img]http://www.thebeachcats.com/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=12219[/img][/quote]
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