Polar Diagram Sailing. 5 tips on developing your polar diagrams to improve your boat speed. Below is an example for one particular boat for three true wind speeds.
Reading the diagram is easy. You can read the polar plot by placing the boat on the c curve and tracing around the concentric arc to determine the speed of the boat. A polar diagram or polar plot is a graph that shows a sailboat s potential speed over a range of wind speeds and relative wind angles.
Reading the diagram is easy.
For example click on 60 this will point the boat so that it is sailing at 60 degrees off from the wind direction. The polar plot is the navigator s friend. These diagrams are an asset to understanding relationships between performance sail selection wind speed and wind angle. A polar diagram describes how fast a sailing boat may go at different wind speeds tws and in different angles to the wind twa.
