deXtrous said...
That equasion didn't quite work for me... 65kg.. 20knot wind.. I ride a 10m and I'm perfectly powered up. Couldn't get much sweeter, but the equasion recommends a 7m kite.
Same here, 65kg on a twin tip in 15 knots recommends a 9.5 metre kite. I was on an 11m all last season and underpowered most of the time, got a 12m this year and already feels a lot better...
Maybe it works better for heavier guys? (and ones using surfboards like ezza)