Profile design for aircraft lift-wings in general aviation up to flight speeds of about 700 km/h, the profile design being determined by the path of the center line with a forward (first) and rear (second) camber maximum and with a profile droplet superposed on the center line and of a specific thickness...http://www.google.com/patents/US4498646?utm_source=gb-gplus-sharePatent US4498646 - Wing for short take-off and landing aircraft
