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BASE Bay:
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Standard PHRF rating before corrections.
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NSF:
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Non-Spinnaker Rating Factor. (Added to BASE rating)
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ODR:
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One Design Rating - Yachts rated whose Class Association rules do not fit the standard PHRF assumptions.
The PHRF rating assumes the yacht meets her class rules.
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R/C:
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Meets definition for Galveston Bay as a Racer/Cruiser.
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Running Backstays
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Masthead
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+0
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Fractional
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+0
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Dry Sailed
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+0
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LP Jib Luff Perpendicular
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<115%, < 140%
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+6, +3
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<= 155%
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+0
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<= 165%
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-3
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> 165%
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-6
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Roller Furling
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Retrofitted RF system with largest jib luff less than .975 of I dimension
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+3
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Main (in mast w/o battens)
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+12
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Main (in mast w/vert battens)
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+9
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Mizzen
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+3
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Propeller
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No Motor
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-6
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No Prop IB
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-3
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Folding
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+0
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Fix-2 Blade
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+9
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Fix-3 Blade
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+15
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SPL Spinnaker Pole Length or TPS
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<=1.02% of J
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+0
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<=1.10% of J
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-3
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> 1.10% of J
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-6
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MSW Spinnaker Max-Girth or ASMW
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<= 1.82% of J
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+0
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<= 1.88% of J
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-3
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> 1.88% of J
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-6
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SL Spinnaker Luff
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<= 1.02% of I
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+0
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<= 1.05% of I
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-3
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> 1.05% of I
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-6
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I Mast Height & P Main Hoist
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+/- 3 seconds per 3% deviation
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J Foretriangle Base & E Main Boom
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+/- 3 seconds per 5% deviation
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Note: The above adjustments are meant to encourage standard yachts, and discourage modifications.
The above are guidelines only and may be overruled by the PHRF committee.
Always
inform the committee before any rating modification is attempted in order to avoid unpleasant surprises!!
* ASMW may be measured by folding sail along the luff and then leech. Measure between the 2 points.
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