As Doug Lord doesn't post on this site I thought I would draw your attention to a couple of interesting links on kite powered catamarans that he posted on boatdesign.net
First Yves Parliers attempt "beyond the sea"
http://www.parlier.org/beyond_the_sea/fr/multimedia.phpThen this incredible video of a kite powered "displacement" cat:
http://www.kiteboat.com/kb_videos.htmlAll the best
Gareth
