Has anyone studied (and recorded) boat speed vs wind speed for various sailing angles (ie Polar Diagram).

I found the following thread which is many years old discussing the topic....any current info?

Previous Post -- Polar Diagram for Beachcats -- Circa 2002


Also located the following referencing Hobie 16, Tornado and 4 other boats dated back several years:

Polar Diagram of H16, Tornado and 4 others