Animal Locomotion: Or, Walking, Swimming, and Flying, with a Dissertation on AëronauticsH.S. King & Company, 1874 - 264 стор. |
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Сторінка ix
... 241 Compound wave wing of the Author , 242 How to apply artificial wings to the air , 245 As to the nature of the forces required for propelling artificial wings , 246 . • Necessity for supplying the roots of artificial wings CONTENTS . ix.
... 241 Compound wave wing of the Author , 242 How to apply artificial wings to the air , 245 As to the nature of the forces required for propelling artificial wings , 246 . • Necessity for supplying the roots of artificial wings CONTENTS . ix.
Сторінка x
... roots of artificial wings with clastic structures in imitation of the muscles and elastic ligaments of flying animals , The artificial wave wing can be driven at any speed - it can make its own currents or utilize existing ones ...
... roots of artificial wings with clastic structures in imitation of the muscles and elastic ligaments of flying animals , The artificial wave wing can be driven at any speed - it can make its own currents or utilize existing ones ...
Сторінка 52
... root produces an extensive sweep at its tip . It is thus that the wing is enabled to work up and utilize the thin medium of the air as a buoying medium . Another drawback to great speed in man is his erect posi- tion . Part of the power ...
... root produces an extensive sweep at its tip . It is thus that the wing is enabled to work up and utilize the thin medium of the air as a buoying medium . Another drawback to great speed in man is his erect posi- tion . Part of the power ...
Сторінка 104
... root of the pinion , or that end of the lever directed towards the body , is succeeded by an immense sweep of the extremity of the wing , where its elevat- ing and propelling power is greatest . This arrangement in- sures that the large ...
... root of the pinion , or that end of the lever directed towards the body , is succeeded by an immense sweep of the extremity of the wing , where its elevat- ing and propelling power is greatest . This arrangement in- sures that the large ...
Сторінка 107
... root of the reed in the direction ne , the wing flies up as a kite in the direction j f . During the upward movement the wing flies upwards and forwards , and describes a double curve . By elevating the root of the reed in the direction ...
... root of the reed in the direction ne , the wing flies up as a kite in the direction j f . During the upward movement the wing flies upwards and forwards , and describes a double curve . By elevating the root of the reed in the direction ...
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Animal Locomotion; Or, Walking, Swimming, and Flying: With a Dissertation on ... James Bell Pettigrew Попередній перегляд недоступний - 2016 |
Загальні терміни та фрази
action aërial albatross angle animals arms and legs arrangement artificial wave artificial wing ascends backwards ball-and-socket joint bat and bird biped body bones Borelli Compare with fig concave Cornhill Crown 8vo depressed described dugong Edition elastic ligaments elbow-joint elevating and propelling ellipse elytra extended feathers feet femur fins fish flexed flexible flexion flight flying foot fore hind horizontal direction humerus inclined planes increased insect wing joints kite less lever limbs locomotion long axis manner Marey membranous ments motion move movements muscles muscular muscular system natural wing oblique oscillate ostrich Paternoster Row pectoral fins pinion porpoise portion position posterior extremities posterior margin posterior or thin Price produced Prof quadruped rapid remarkable resistance root rotation screw sea-bear shoulder-joint side speed spiral swimming tail thick margin tion travelling surfaces trunk twisting upward direction upwards and forwards velocity vertical vibrate walking wave wing waved track weight
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