Crew weight range is handled by Texel / ISAF handicap formula and boxrule.
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<br>All crews sail the same boat in all conditions apart from the jib size. This jib size is dependend on the crewweight on board. In the start up phase the genaker is fixed at 17,5 sq. mtr. size to allow for easy swithcing between 2-up and 1-up sailing with the same hardware. This KISS principle is chosen to make a clean start. Later on the class may well adopt a scheme like the F18. The benefits of either system is still being discussed. However as you yourself say 10 kg's either way impacts often less than most people think and the ideal weight for the F16HP will be around 150 kg's making the competitive range from 140 to 160 kg's or
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<br>Boy Girl team of 80 kg's + 60 kg's
<br>or
<br>Boy Boy team of 80 Kg;s + 80 kg's
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<br>This range seems to contain most crews. And as said later on we ay well put the 17,5 sq.mtr. genaker boundery at 145 kg's and fly a 21 sq. mtr. genaker at 155 kg's and extend the range a bit. But then admittedly, crewweight equalisation is the most tricky part of a class rules framework
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<br>(quote)
<br>In an ideal world 2 boats would be nice, one for as you say meditation and the other for some mutual feedback on the situation. But if the F16 can facilitate this then it opens up many doors.
<br>(Unquote)
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<br>This is exactly one of the main goals of the F16HP. An A-cat like performance when 1-up and a F18 like performance when 2-up with the same boat. So far it seems to work out.
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<br>Wouter<br><br>


Wouter Hijink
Formula 16 NED 243 (one-off; homebuild)
The Netherlands