Hi Ed,

I posted this info up for someone looking to know what size fin they should be using - its a great little spreadsheet program that will tell you everything you need to know when it comes to choosing the right size windsurfing equipment!

There is a great sail size calculator explained & available for download on the Poole Windsurfing website at:
www.poolewindsurfing.co.uk/windsurfing-boards-windsurfing-sails-size/

It's a great tool that covers not only choosing the right size sail but also which board & fin to use. Everything in the settings can be tweaked to be adjusted for sailor weight, conditions, ability, etc - you name it, this little program can do it!

You punch in the data & get everything spat back out in a fancy graph & table of results!

Awesome!!