A three-quarter of an inch to one foot scale drawing of a starboard sail. This is perhaps an improved plan of his cyclone or umbrella sail.
Percy Pilcher: Drawings (1895-1899)
Influenced by the pioneering glider designs of Otto Lilienthal (1848-1896), Percy Sinclair Pilcher (1866-1899) developed his own series of glider designs in Glasgow from 1893. In 1896 Pilcher's "Gull" and "Hawk" gliders were produced, and Pilcher learnt the art of controlling his machine in the air…