Winged glider, Leonardo da Vinci made a glider equipped with flaps. This open-shell model is equipped with a chair and various gear for the pilot, but does not have a helmet. The glider is designed to use a bracket to support the canvas wings. Just pull the ropes at both ends to control the flight direction. It also has a large basket that can carry people and is equipped with wheels for lifting and lowering. Personal comment: As an early work, this glider is similar to China’s early manned kites. But the comfort level has been greatly improved. It can be regarded as a combination of an airship and a glider, because it has a belly.