Hi there, I've seen this topic (
www.seabreeze.com.au/forums/Kitesurfing/General/Kite-sizerider-weightwind-chart ) by oceanfire and want to add some more information to it.
After reading the other thread it seems like the Rule of Thumb is most suitable for the medium wind and medium weight regarding the kite size to choose. Its obviously not thought to be extremly precise as there are to many things as side conditions.
I hope this will help some beginner and might lead to an updated discussion ^.^

About the "not considered" Part:
... Diffentent topics (
www.kitesurfist.com/how-much-wind-for-kiteboarding/ )
... Foil (
kitesurfingmag.com/foilboarding-beginners-guide/ )
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What do you think?Is it now more appropriate than before?
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Greetings from Germany ;-)