Here are a few links :
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<br>(Builder)
<br>http://www.swell-catamarans.com/
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<br>(Test reports)
<br>http://www.multihulls-world.com/maj/essg_883.asp
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<br>http://www.catamaran.ie/cats/spitfire.htm
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<br>http://www.chrispagedesign.co.uk/NewFiles/spitfiretest.html
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<br>Enough to read for you I imagine.
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<br>I don't known if there are any in the US, the design is rather new and I doubt wether anyone imports them to US. Tip let the builder ship one to the St. maarten regatta or Curacau regatta were you pick it up and have a sailing holiday and bring it back to the USA with the USA container. This is the cheapest importing option.
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<br>The spi of 18 sq. mtr. is enough for a boat of only 139 kg's and a just over 8 mtr. mast. F18 is 180 kg's with 9,1 mtr. and has 21 sq. mtr.
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<br>Country of origin is France and it is designed by Yves Loday (designer F18 Dart Hawk and KL booster, I personally love the last) and Reg White (co-designer Tornado)
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<br>And ofcourse you can find some info in the Texel handicap system (actual measurements) where is has a handicap rating equal to F18 and the ISAF system as well as the F16HP homepage. But you probably already seen the last.
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<br>I hope this was info you were looking for.
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<br>Wouter<br><br>