The Heritage of Kitty HawkW.W. Norton, 1962 - 211 էջ The story of the early aviation pioneers and their accomplishments from the beginnings until World War 1. |
From inside the book
Արդյունքներ 25–ի 1-ից 3-ը:
Էջ 19
... bird flight were painstaking , and were directed at the demolition of mathematically impossible ideas . The work of this outstandingly intelligent and far - sighted man found little favor , though , with all but a very few of those who ...
... bird flight were painstaking , and were directed at the demolition of mathematically impossible ideas . The work of this outstandingly intelligent and far - sighted man found little favor , though , with all but a very few of those who ...
Էջ 29
... bird ! I compre- hended the whole mystery of flight . " In 1854 or '55 , he built an artificial albatross of wood and cloth with a boat - like body . Its wing had a span of about 50 feet . To get into the air ... BIRD MEN 29 The Bird Men.
... bird ! I compre- hended the whole mystery of flight . " In 1854 or '55 , he built an artificial albatross of wood and cloth with a boat - like body . Its wing had a span of about 50 feet . To get into the air ... BIRD MEN 29 The Bird Men.
Էջ 108
... bird could not sustain a heavy load in the air ; and that it is true that a bird of double the dimensions would be able to carry a less proportionate weight be- cause it is heavier in proportion to its wing surface than the smaller bird ...
... bird could not sustain a heavy load in the air ; and that it is true that a bird of double the dimensions would be able to carry a less proportionate weight be- cause it is heavier in proportion to its wing surface than the smaller bird ...
Բովանդակություն
The Dreamers | 15 |
The Early Experimenters | 21 |
The Bird Men | 29 |
Հեղինակային իրավունք | |
14 այլ բաժինները չեն ցուցադրվում
Common terms and phrases
8-cylinder Aerial Experiment Association Aero Club aerodynamic aeronautical ailerons air-cooled aircraft airplane airship American Anzani Army aviation became Bettmann biplane bird Bleriot bombs British build built Century Chanute Chapter construction craft cylinders Delagrange Deperdussin early effort experimenters Farman Ferber flew flight flown Flyer flying boat flying machine France French Gabriel Voisin German Glenn Curtiss glider Gnome Hammondsport Henri Farman horsepower Institution Smithsonian Institution kites Kitty Hawk Lanchester landing gear Langley Langley's lateral control lateral stability launching Lilienthal Manly manufacturer Martin ment miles military minutes monoplane Navy Orville and Wilbur Orville Wright Otto Lilienthal pilot pioneers plane pounds power plant pusher propeller reconnaissance Santos-Dumont scouting Selfridge Smithsonian Institution Smithsonian Institution Smithsonian speed square feet successful surface tail takeoff tion vee-type wheels Wilbur and Orville Wilbur Wright wind tunnel wing span wing tips wing warping Wright brothers Wright Flyer