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9.3 Performance functions
The Processor Regatta generates performance functions from the polar table. They are
displayed on the following nke displays:
Multigraphic
Multidisplay
These functionss are a guide for fine tuning. Displaying these data in real time gives
information about boat speed and wind angle against the target (theoretical values)..
• VMG
:
Stands for Velocity Made Good.
It is the component of velocity that is in the direction of the mark, should it be
upwind or downwind. In the case of sailing upwind, it is actually the speed towards
the wind. It is a useful indication
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