Boat Design Gallery
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Scalloped wing surfaces for sailboat foils

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Author
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yipster
designer
Registered: October 2002 Location: netherlands Posts: 3,458
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August-7-2004 2:37pm
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Rating: 10
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tatata, what do you know! very interesting
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charliega
Junior Member
Registered: August 2004 Location: Atlanta, Georgia Posts: 1
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I saw an article on this in Scientific American. I wondered myself about how this could be incorporated into a daggerboard or rudder design. I am in the process of restoring an old, small, sailboat.
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asathor
Senior Member
Registered: October 2004 Location: Minnesota Posts: 154
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And it WORKs very well!
------------------------------ May the wind blow briskly in your sails!
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marcpiery
Registered: October 2007 Location: Los Angeles Posts: 2
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The problem is that you find these scalloped fins on slow swimming whales, such as the Humpback. Faster swimming whales such as Blues, Sperms, and Porpoises all have a curved leading edge on their fins. Also, look to the bill fish for high speeds under water, especially the Sailfish, which has been clocked at 68mph. These high speed fish and cetaceans also tend to tuck most fins for high speeds and deploy them when slow.
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