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Old 18th February 2009, 04:23 AM   #3
Join Date: Aug 2006
Posts: 26

Hi S

Not that this answers your question (I see Roger has done that) - but after using a few boards, and adjusting fin heads to suit - I think the fin boxes are often distorted during placement in the boards: for example an iSonic 122 2008 - the box was compressed down its length, hence bulged in the middle and required the fin head ends trimming to sit flush; conversely a CA SL58 2006 - the box was slightly compressed in the sides, once sanded down the fin head sank too deep!

This is for stock and 3rd party fins - so, most likely the boxes are the problem.

So - bottom line: whether or not the fin heads are accurate, they'll probably still need to be custom fit to the board.

Regards - Martin

Last edited by MartinJE; 18th February 2009 at 04:25 AM.
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