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Welcome to PHRF-LO ! |
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Welcome to Performance Handicap Racing Fleet
Lake Ontario’s home page. In December 1979, 12 yacht clubs along the south shore of Lake Ontario
gathered to discuss area wide PHRF ratings to facilitate their inter-club racing.
Thus laying the foundations of PHRF Lake Ontario. Since that time, PHRF-LO has grown to include over 60 yacht clubs, 100 Club
Handicappers and over 1500 active certificate holders.
Over the past 2 decades, hundreds of dedicated volunteers have spent many hours
of their own time developing the PHRF-LO system and have helped issue yacht racing handicaps
to over 4000 owners around the lake. With sister organizations throughout Canada and the United States, PHRF
has held its place as one of the top yacht racing handicap systems in North America. |
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In November of 2008, the Central Council of Handicappers for PHRF-LO voted in favour of adjusting the Q.Factor in our Time on Time formula to .008 from .045. This was as a result of an in depth analysis of over 3500 races for the last 5 years by our Technical Advisory Committee. As a result, our formula was adjusted slightly to accomodate that change. Below is the modified version of the original formula. Q = .008
S = Scratch Boat = ASP 177
R = (8.36 x 106) ÷ ((ASP + 378.3)2)
RS = (8.36 x 106) ÷ ((177 + 378.3)2)
TOT = ((1 ÷ √RS + Q) ÷ ((1 ÷ √R) +Q))
or TOT = (578.431 ÷ (ASP + 401.431)) Your new A & B values are: A = 578.431
B = 401.431 Please update your scoring programs. Click here for details. To view more information regarding PHRF-LO Time on Time and the new Q.Factor, click here. |
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A Web page designed so that you can use it to look up sailboat parameters in a large database of boats, |
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Current News ! |
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You need a certificate and have no idea where to start? |
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New DVD video disks on: 2008 Spring Training Seminar
2009 Portsmouth Yardstick presentation Please contact the PHRF-LO admin office for a copy. For other available videos click here. |
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As you may or may not be aware, PHRF-LO has adjusted the Time on Time numbers used for calculating your race results. |
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"Vertical" Roller Furling Mains |
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We will now be tracking individual boats that have "Vertical" Roller Furling Mains. |
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On March 28the Central Council discussed issues regarding Movable appendages. Your input is required... |
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Certificate Renewals Handicappers are required to renew their club certificates on-line. Registration is required if you did not register in 2008. |
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We have changed the Q factor in our Time on Time conversion formula which affects the A & B value you are using to calculate the Time on Time value you are using in your race results. |
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