All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure. — Otto Lilienthal Copy Share Image
But we must admit the possibility that continued investigation and experience will bring us ever nearer to that solemn moment, when the first man… — Otto Lilienthal Copy Share Image
All flight is based upon producing air pressure, all flight energy consists in overcoming air pressure. — Otto Lilienthal Copy Share Image
No one can realize how substantial the air is, until he feels its supporting power beneath him. It inspires confidence at once. — Otto Lilienthal Copy Share Image
Of all the men who attacked the flying problem in the 19th century, Otto Lilienthal was easily the most important. ... It is true… — Otto Lilienthal Copy Share Image
Particular honour belongs to those who believed in the possibility of mechanical flight when all the world was against them; not the visionaries because… — Otto Lilienthal Copy Share Image
One can get a proper insight into the practice of flying only by actual flying experiments. . . . The manner in which we… — Otto Lilienthal Copy Share Image
Artificial flight may be defined as that form of aviation in which a man flies at will in any direction by means of an… — Otto Lilienthal Copy Share Image
We returned home, after these experiments, with the conviction that sailing flight was not the exclusive prerogative of birds. — Otto Lilienthal Copy Share Image
To invent an airplane is nothing. To build one is something. But to fly is everything. — Otto Lilienthal Copy Share Image
