An important bonus is that at height the wind is stronger. Sydney's famous Flying 18 footers, 1998. Fast, spectacular, odd and funny crafts from five Sail Speed Weeks in England. America's Cup for land yachts. On request commercial users can receive, via Internet, some more pictures.
Novel yacht is pressed to ground by air foil plank.
Sketch of The Super Yacht. Sail board can recapture speed record with personal streamlining The sail board is aerodynamically very primitive as the sailor creates maximum drag being fully exposed the air stream. With a personal streamlining drag can be greatly reduced and the world speed record recaptured. Such streamlining has been built and tried on ice in Sweden. 1.000-2.000 words, a few pictures of streamlining.