Quote:
Originally Posted by joe_windsurfer
merci Jean-Marc
does a 70 cm carbon centreboard count as a long fin ? 
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I don't think so. I surmised that Pfaffi's table relates to planing in low wind with a with a wide planing board à la Formula and what fin lenght can achieve that goal according to what body weight. His table is found for the developpement of his Formula fins.
I don't think his calculations are valid for a narrow raceboard. I suggest you ask him directly by email:
pfaffi@pfaffi.at
Cheers !
JM