This forum allows for the free sharing of ideas regarding the development of man-carrying flapping-wing aircraft, known as "Ornithopters". This is one of the few frontiers left to modern aviation: no truly successful piloted ornithopter has ever been flown. The following links will acquaint you with some design concepts currently being considered by enthusiasts. These design concepts are illustrated with diagrams and developed through critical discussion. It is our intention that one or more detailed, feasible designs will emerge from this collaborative effort.