Windsup - Know what to rig

Free download
Kite Board Screen
Kite Board Screen
Windsurf screen
Windsurf screen

Kiteboard

Windsurf

WindsUp is an iPhone & iPad App to assist windsurfers and kitesurfers with equipment selection. Given the rider's weight (pounds or kilograms), skill level, and prevailing wind speed (mph, Knots, Km/h or m/s), the app will suggest sail area and board volume.

The mathematical relationships used in the WindsUp App are taken, with permission, from James Douglass’s online calculators - See https://jimbodouglass.blogspot.com/2010/11/updated-windsurf-calculator-online.html and https://jimbodouglass.blogspot.com/2011/01/interactive-kiteboarding-calculator.html