Hi Matt -
<br> agree ,-the race what ya got attitude , just let em adjust the what the way they want . -
<br>-arguements can be logically resolved and rules of the game established without too much problem , we have just been handed a difficult situation , and need a little more info .
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<br>-Hi Mark
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<br> Your on the right track, but unless we establish basic box parameters L B W and Sail AR, or equalizing scales with allowed equalizing performance factors and modifications, this will never be fair sailing, or perceived as such, What you are proposing is open ratings and calling it a class.
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<br> Do not hate anything, the best aspect of P. rating is the wind factor, {beaufort scale,
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<br>The ideal rating system would be ISAF –Texel , add the wind range factor, and add a percentage factor to rating #s based on Portsmouth as a correcting factor.
<br> Colin {Sailwave scoring } has it set up to score races in all 3 systems, as they are more accurately ,honestly compared ,-maybe we will see this evolve. One rating rule, --a new world order, so to speak, -{joking }—All rating systems are an average estimate, and not an accurate design performance prediction of every boat , the formula would become extremely long complex and require exact almost infinite variables dependent upon wind strength and wave conditions.
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<br>-Posted weight and beam effects by Bill R –previously, -he sites the Olympic boat trials where the Tornado wins each race with its larger beam in higher wind range conditions. –this has effectively been established.
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<br>-Racks would be the only way to include 10 ft beam boats, but this may be the perfect answer for a large increase in boat performance, -beyond 16 and 18s, -would match the proposed increase in sail area to each boat, quick estimate of an added 800+ lbs of righting moment countering the thrust of sails, be compensated in any small added weight with proportional increased sail area per prop.rules, and look really great for the sponsors, -similar to popular racing skiffs. We need cost ,weight and attachment info , maybe better designs for them .-Would also revise the proposed sail area up slightly with the added factor
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<br>-Estimate racks of 2.5 ft to equalize an 8.5 b to 10 ft b design , --allowing added rack L for inboard hull weight , higher windage wing and crew , measured from leeward hull to average crew position.
<br> The added 812.5-ft Lbs of righting moment for the average 325 LB crew is a huge boost in high wind performance, now needed on these large powerful cats.
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<br> Taking a peak into one possible future scenario of this classes evolution, --{the famous unforeseen consequences} so many talk about, --
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<br> Can envision with these new proposed more powerful cats with lightweight design and righting moment much higher top speeds.
<br> Sailing the I-20 with its wider bow sections many have experienced a planning effect, where the boat seems to start skidding across the top. –New designs with more horsepower may realize that by adding more hull angle, beyond 6 or 8 degrees and adding slightly flatter bow hull sections with larger chutes at higher luff angles that these cats will plane, -just as sliffs do.
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<br>-We will see a huge jump in performance levels if this evolves from the 20 class,
<br> We would then definitely have to set a modified and development class category, just as As do.
<br> This is the wonderful aspect, draw, and interest of a more open type class.
<br> Wouldn’t this be fun to be a part of?
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<br> All the best
<br> Carl
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