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Old 8th September 2009, 04:28 AM   #4
Join Date: Aug 2006
Location: Dallas, Texas USA
Posts: 799


I agree with Roger as I too have a iSonic 111 (wider tail than the futura) so it should plane earlier. I have used my 8.4 Maui Sails TR-3 race sail on the iS several times. I can't plan in 10 knots (small white caps beginning to form) and I weight 78 kg.

Our winds are highly variable, so on a 6 - 15 knot day, I usually don't try the iSonic since I won't stay on plane very much. I go for a formula board and an 11.0.

At your weight, the 8.5 and a steady 10-12 knots should get you going just fine, but it all depends on how steady your winds really are. Any holes under 10 knots and you will come off plan.
Ken is offline   Reply With Quote