Peat, This Email below is from my FH in NE but the implementation of the rule was delayed for public comment from our members. Essentially the new matrix adds three seconds to my old rating (IMX40) with the same configuration. There was an extensive study done that revealed asymmetrical spinnakers have been able to rotate further to Windward to allow deeper downwind angles then the initial rating system accounted for this?? Other members don't understand why boats that were built with Sprint are not penalized or adjusted the same as the boats with sprint added to them after-the-fact? Our PHRF region has two main groups one more competitive group in the Marblehead area and one less competitive group comprised of older vessels in Maine. The boats in MH are 70-80% AS in the race fleet. There are a group of older WELL maintained (Nelson Mrek,Frers, Taylor, and a newer 36.7 beny) that go SM and class 5/6 are SM. but all the big boats that are racing have purchase or converted their boat to AS. And of course all the new one design fleets are asymmetrical j70…. In Maine its SM except for the j/105’s and we have limited participation from a few AS Race boats Farr395, 1D35, Swan club 42… There are 2 conversion sprit boats participating in Maine next year IMX40 and a Farr43. I feel that asymmetrical is the way of the future easier to sail and more fun. go at least 20% or their pain to jibe.
The new matrix proposed is provided in the table below: D/L=(dis (lbs.)/2240)/((0.01*WLL(ft))3) %=J*X for sprint length # are adjustment to your rating D/L bow 10% 20% 30% >220 9 6 3 0 150-220 6 3 0 -3 100-150 3 0 -3 -6 >100 0 -3 -6 -9 Good morning Ryan Yes, I was there and a new rule has been passed for 2015. The heart of the issue, as you probably already know, is that for a number of years boats which changed from a symmetrical spin to an asym were given a credit of up to 9 sec/mile. PHRFNE is finally recognizing that the credit was a mistake in some cases. I don't know how it will impact your handicap because I don't have access to the 2014 cert for your boat (I can access only those boats that were in the GMORA fleet in 2014). But the rule is essentially based on the ratio of your displacement to LWL. Then depending on that ratio and the length of your sprit relative to the J measurement, you may see a reduced spinnaker credit of 3, 6 or 9 sec/mile. By the way, the displacement used will be based on an empty boat and that number may not be what is on the boat's 2014 certificate. PHRFNE will be publishing, shortly, an explanation of the new rule in layman's terms so that you can understand what has transpired. I recognize that the above has probably created more questions than answers but more will follow soon. Ryan Raber 207.841.7881 r...@fvprovidian.net
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