I'm supprised you haven't discovered the wind skate out of Santa Monica California
A skateboard and a 3.6m sail and a large parking lot
Helps to have a onshore breeze in santa monica CA
[url]http://windskate.com/[/url]
Late
Kevin
Utah Windsurfers, Kiteboarders, and Snowkiters Association
http://www.utahwindriders.com/forum/