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 Post subject: The Roots Race Twin Tip with retractable central fin
PostPosted: Sun Nov 21, 2010 5:39 pm 
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Joined: Wed Mar 01, 2006 7:51 pm
Posts: 251
Roots ? Another small unknown shaper ?
Not really on this Kiteracer Forum

Image

More details HERE (Google not so bad Translation from French to English)

So, now that you know who's Nico behind the North Race Ltd 2010, let's have a look at his latest toy...

http://translate.google.fr/translate?js=n&prev=_t&hl=fr&ie=UTF-8&layout=2&eotf=1&sl=fr&tl=en&u=http%3A%2F%2Frootshapesnews.blogspot.com%2F

Shaped bottom:
Image

Retractable central fin details:
Image

Image

The Video: http://vimeo.com/17030452


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 Post subject: Re: The Roots Race Twin Tip with retractable central fin
PostPosted: Sun Nov 21, 2010 11:41 pm 
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Joined: Sat Jan 10, 2004 11:53 pm
Posts: 933
That is really creative.

Even if the board is not competetive with the conventional race board, it might be a good method of quickly getting way upwind of the pack of kiters...and then, allowing the kiter to do a fun downwind run. A lot of kiters like to do this, and the moderate rocker on the board would allow this.

My only worry would be that the fin is so close to the edge and exerts so much force, that it may split off the edge.


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 Post subject: Re: The Roots Race Twin Tip with retractable central fin
PostPosted: Tue Nov 23, 2010 12:35 am 
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Joined: Fri Apr 30, 2010 6:31 pm
Posts: 59
Seems like there would be a lot of cavitation and drag with the way the fin lays under the board. The Flysurfer system seems more clean.


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