Date: 8/30/2007
Name: Roy
email: barcode845@earthlink.net
subject:PHRF adjustments
Chris;PHRF adjustments for a smaller headsail depend on your region. Each region handles them differently
Some have +3 for every 10% reduction So a 135 would get +6. and a 100% +15. Some limit maximum adjustment to +6. So a 135 & 100 would get the same number +6. Figure that one out.
Non spinnaker adjustments:
I have seen a few attempts to make a non-spinaker adjustment to allow racing with mixed fleets -- but I do not think they really work. I think Eastern Connecticut Sailing Association has one .. ECSA.ORG ???? I believe their real attemt was to improve the headsail adjustment for boats sailing JAM fleets JAM = Jibs & Main only fleets.
From what I have seen very few PHRF committees realy care about the smaller/older boats. Response I got from my region was -- buy a new boat.....
Remember PHRF is only supposed to be used with spreads no greater then 20 secs/mile. ( 30 seconds MAX using Time on Time) Past that, a bias towards the faster boats starts to show up.
PHRF NW ratings are basically higher then other regions as they multiplied most of the ratings a few years ago by 1.1 --- so a boat with 200 would go to 220 and a boat with 250 would go to 275 -- a "gain" of 5 for the slower boat.
Check out a web page I created with lots of PHRF information on it.
http://www.914barcode.com/phrf-tot-tod.html
Roy
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