Otto Lilienthal Quote

All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.


Der Vogelflug als Grundlage der Fliegekunst (1889); English edition: Birdflight As The Basis of Aviation (1911).


All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.

All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.

All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.

All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure.