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WIND AVERAGING
When calculating the GPH, the “wind averaging” operator is aplied to the all purpose course, that smooths the individual performance curves for each yacht, taking into account not only each considered wind speed as calculated by the VPP, but a normal distribution across the range that accounts for the 23.58% of the accounted wind speed, 19.8% for 2 kts above and below, 11.73 for +-4 kts, 4.89 for +-6 kts, and 1.79 for +-8 kts.
The wind averaging is not used for the constructed course method
ORC VPP Documentation 2021
Als je dit voor 8 kt en 12 kt plot krijg je dit:
Hier zitten ook windsnelheden in die niet op de meetbrief staan (0, 2, 4, 18), geen idee wat ze daarmee doen.
Als je bovenstaande combineert krijg je dit: