PHRF Calculator® - How Fast Is Your Boat?
Calculates Approximate Average Boat Speed and Seconds per Mile Speed Differences
Assumes 10 knots True Wind Speed, a Windward/Leeward Course, optimal jibing
angles, and flat water. Calculated speed is an approximation assuming normal
pointing ability, etc. A high pointing boat capable of tacking through
smaller angles or a boat capable of reaching lower downwind might have
somewhat less boat speed for the same PHRF rating.
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