According to Wikipedia the 'Australian Sharpie is a 3-person sailing dinghy which has evolved from the 12-square-metre class sailed in the 1956 Olympics in Melbourne, Australia. Australian Sharpies are 19 feet, 11 3/4 inches long, with a planing hull and a single mast. Sharpies race with a fully battened mainsail, a jib and a spinnaker. Reference here
LW Sharpie One Hump or Two - 68th Sharpie Australian Championship 2011
Read more about the Sharpie on their Class website here
We hope you enjoy these three Sharpie videos.