Notice Board
Portsmouth > PHRF Conversion |
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2017 North American Portsmouth Yardstick Handbook.pdf |
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PHRF = 6 * D-PN - 330 |
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Boat |
D-PN |
Calculated PHRF |
Optimist Dinghy |
123.6 |
411.6 |
Sunfish |
99 |
264 |
420 (Int'l) |
98.2 |
259.2 |
ILCA 7 / Laser (Int.) |
91.2 |
217.2 |
ILCA 6 / Laser Radial / Laser M |
96.7 |
250.2 |
ILCA 4 / Laser 4.7 (Int.) |
95.4 |
242.4 |
Flying Scot |
89.6 |
207.6 |
MC Scow |
89.4 |
206.4 |
Lightning |
87.0 |
192 |
Thistle |
83.0 |
168 |
VX EVO |
83* |
156 |
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