What is the PHRF for a 78 scot...?

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Want to race open class...need a number for PHRF..is there one standard for the scots or are there variations? have a spinaker that will be used as well....Thanks

I went to US Sailing (http://ussailing.org/portsmouth/pyindex.htm). They listed a Portsmouth number for the Flying Scot (listed as a centerboard) and a conversion formula to PHRF as follows:

D-PN (Flying Scot) = 90.2

PHRF = [(D-PN)-55] x 6

PHRF = (90.2-55)x6

PHRF = 211

Doug FS4491

Thanks for the numbers.

John McLaughlin
Ngulule
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