The only difference between EU I-20 and US I-20 is the 5 % more sailarea. Just maybe the EU carbon mast is heavier to, but I don't believe that I-20 mast blanks are heavier then IF20 minimum of 18 kg's 40 pounds.
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<br>Now to win 11,5 kg = 25 pounds on the mast alone seems like a bit to much to believe. A low estimate given to me by a well known A-cat builder gives 1,1 kg * 9,5 + 0,5 kg's = 11 kg's. Now this is a minimum and only 7 kg's lighter than iF20 minimum
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<br>I really don't believe that PC builders lighter boards or something to get the US weight down. Especially not when they have not redesigned I-17 board and just used I-18 boards for that. iF20 weight of 190 min is including all, maybe the given weight is ex. genaker equipment or something/
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<br>Just my personal opinion but very much based on facts.
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<br>Wouter<br><br>