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Old 28th April 2008, 04:55 PM   #3
Join Date: Mar 2008
Posts: 26

I purchased the '07 ISonic 122 and Gaastra GTX 8.5. I'm about the same size as you. I've only used it once with the GTX so can only comment on the 8.4m sail range.
IMO about 12 knots with some efficient pumping.
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