The Romance of Aeronautics: An Interesting Account of the Growth & Achievements of All Kinds of Aerial CraftSeeley, Service & Company, limited, 1912 - 305 σελίδες |
Περιεχόμενα
| 136 | |
| 139 | |
| 152 | |
| 155 | |
| 169 | |
| 170 | |
| 179 | |
| 190 | |
| 83 | |
| 88 | |
| 93 | |
| 99 | |
| 100 | |
| 110 | |
| 112 | |
| 121 | |
| 128 | |
| 130 | |
| 200 | |
| 207 | |
| 222 | |
| 240 | |
| 254 | |
| 263 | |
| 271 | |
| 280 | |
| 293 | |
| 301 | |
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
accident adventures aerial navigation aeronautical aeroplane aerostat airship altitude Andrée angle apparatus ascended attempt aviation meeting aviator ballast balloonist became began biplane bird Blériot Blon Brothers Captain carried caused centre CHAPTER contrivance cylinder danger Delagrange descend direction dirigible balloon distance driven earth engine envelope experiments famous flew flying machine France French Gabriel Voisin gas-envelope gliding Gnome Gnome motor Grahame-White ground guide-rope gust height Henry Farman hill horizontal idea inventor journey killed kite land later Léon Delagrange Lilienthal London Louis Blériot mechanical flight miles per hour minutes monoplane Montgolfier occasion Orville Wright parachute Paris passengers Paulhan petrol Pilcher piston planes possible prize propeller realised remarkable rising ROMANCE OF MODERN rope rudder sailing Santos-Dumont sensation side Simplon Pass slope soaring speed square feet surface tail tion took turn upwards velocity vessel Voisin voyage Wilbur Wright wind wings Wright Brothers Zeppelin
Δημοφιλή αποσπάσματα
Σελίδα 215 - That it may please thee to preserve all that travel by land or by water, all women labouring of child, all sick persons, and young children; and to shew thy pity upon all prisoners and captives; We beseech thee to hear us, good Lord.
Σελίδα 172 - The balancing of a gliding or flying machine is very simple in theory. It merely consists in causing the center of pressure to coincide with the center of gravity. But in actual practice there seems to be an almost boundless incompatibility of temper which prevents their remaining peaceably together for a single instant, so that the operator, who in this case acts as peacemaker, often suffers injury to himself while attempting to bring them together.
Σελίδα 182 - Hawk we began a series of experiments to accurately determine the amount and direction of the pressure produced on curved surfaces when acted upon by winds at the various angles from zero to 90 degrees.
Σελίδα 181 - We had taken up aeronautics merely as a sport. We reluctantly entered upon the scientific side of it. But we soon found the work so fascinating that we were drawn into it deeper and deeper.
Σελίδα 194 - When preparations had been completed a wind of only three or four miles was blowing — insufficient for starting on so short a track — but since many had come a long way to see the machine in action, an attempt was made. To add to the other difficulty, the engine refused to work properly. The machine, after running the length of the track, slid off the end without rising into the air at all. Several of the newspaper men returned the next day, but were again disappointed. The engine performed badly,...
Σελίδα 172 - Now there are only two ways of learning to ride a fractious horse : one is to get on him and learn by actual practice how each motion and trick may be best met; the other is to sit on a fence and watch the beast...
Σελίδα 172 - If I take this piece of paper, and after placing it parallel with the ground, quickly let it fall, it will not settle steadily down as a staid, sensible piece of paper ought to do, but it insists on contravening every recognized rule of decorum, turning over and darting hither and thither in the most erratic manner, much after the style of an untrained horse. Yet this is the style of steed that men must learn to manage before flying can become an everyday sport.
Σελίδα 182 - ... horsepower. It must not be supposed, however, that a motor developing this power would be sufficient to drive a man-bearing machine. The extra weight of the motor would require either a larger machine, higher speed, or a greater angle of incidence in order to support it, and therefore more power. It is probable, however, that an engine of 6 horsepower, weighing 100 pounds, would answer the purpose.
Σελίδα 72 - Shortly after I laid my arm upon the table, possessed of its full vigour, but on being desirous of using it I found it powerless — it must have lost its power momentarily ; trying to move the other arm, I found it powerless also.
Σελίδα 176 - ... rearrangement of the wires used in trussing the two surfaces together, which rendered it possible to tighten all the wires by simply shortening two of them. With these plans we proceeded in the summer of 1900 to Kitty Hawk, North Carolina, a little settlement located on the strip of land that separates Albemarle Sound from the Atlantic Ocean.