[quote=samc99us]Hole for reduced windage? Might want to check your aero text book, that big hole is super draggy when sailing to windward.
It exists to provide a handle and some form of weight reduction. Please note all the new boats don't have those, a big reason being the loads on longer high aspect ratio boards are very high and a big gap in the middle of the board at the second highest load bearing location is a good waste of material.[/quote]
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