Colin says: The entire catamaran consists of nothing more than a couple of inflatable floats and a self-bailing floor. Without the 50HP engine it can't have weighed much more than a bag of sugar and a quarter of midget gems. With that sort of power to weight ratio it must take off like a rocket.
(To save this picture as Windows Wallpaper - right click it -
then select "Set as Background") (or click the above image to see the full sized version)