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How much difference will longer fin make?
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zirtaeb



Joined: 03 Jul 2009
Posts: 2407

PostPosted: Fri Aug 10, 2012 1:13 pm    Post subject: Reply with quote

I kinda know Ian.
We did the Sherman photo shoot together, he lived at 19th Ave in the City for several years, we sailed lots of surf spots together.
I can't post pictures, but think of a 15" tall fin with a 3.5" base.
I also have a Meritex swept blade at 14" length, but with a 3.25 base.
Those two fins are considered "high aspect ratio" fins. They don't make them like that anymore because they typically have very narrow wind ranges, and work best when perfectly slightly overpowered.
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zirtaeb



Joined: 03 Jul 2009
Posts: 2407

PostPosted: Fri Aug 10, 2012 1:20 pm    Post subject: Reply with quote

Oh, forgot to give credit to another old friend, BrianGiodominico, who designed high aspect blades for TrueAmes, his 13.5" having a chord of almost exactly 3'.
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sailingjoe



Joined: 06 Aug 2008
Posts: 1087

PostPosted: Fri Aug 10, 2012 4:41 pm    Post subject: Reply with quote

Those are radical fins. I was trying to let anyone who was interested in improving their recreational sailing by adding a fin know what to look for.
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KevinDo



Joined: 02 Jul 2012
Posts: 423
Location: Cabrillo Inside

PostPosted: Fri Aug 10, 2012 5:00 pm    Post subject: Reply with quote

zirtaeb wrote:
Oh, forgot to give credit to another old friend, BrianGiodominico, who designed high aspect blades for TrueAmes, his 13.5" having a chord of almost exactly 3'.


The blade weeds(fox)? I have a 14.5 from them and thought they were huge!
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zirtaeb



Joined: 03 Jul 2009
Posts: 2407

PostPosted: Fri Aug 10, 2012 9:14 pm    Post subject: Reply with quote

That TABrianG fin, all 13.5" of it, is best with 6.0's well powered. Chord is 3", think of that. Not at all like a weed fin.
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