Fig. 92.—Count Zeppelin’s aluminium-covered airship coming out of its shed on Lake Constance.
Fig. 93.—Count Zeppelin’s airship in full flight.
Fig. 94.—The new British war balloon “Dirigible” No 2.
Fig. 95.—The Wright aeroplane in full flight.
GENERAL INDEX.
| PAGE | |
| Accident to my large machine, | 138 |
| Action of aeroplanes and power required, | 100 |
| Adjustment of birds’ wings, | 19 |
| Admiralty specification for a steamship, | 48 |
| Advantages of driving aeroplanes on to new air, | 140 |
| Advantages and disadvantages of very narrow planes, | 143 |
| Aeroplanes:— | |
| Action of, | 31, 32, 100 |
| Advantageous angle of, | 139 |
| Advantages and disadvantages of very narrow, | 143 |
| Advan„ages arising from driving aeroplanes on to new air, | 140 |
| Curvature of, | 145 |
| Evolution of a wide aeroplane, | 102 |
| Experiments with, | 49-59 |
| Fabric covered, | 131 |
| Lifting effect of, | 141 |
| Lifting surface of, | 103 |
| Philipps’ sustainers, | 146 |
| Reduction of projected horizontal area, | 3, 4 |
| Shape and efficiency of, | 99 |
| Superposed, | 144, 146 |
| Testing fabrics for, | 50 |
| The paradox aeroplane, | 88 |
| Air currents and the flight of birds, | 11 |
| Air cu„rentsConclusions regarding, | 21 |
| Air cu„rentsAlpes Maritimes, | 17 |
| Air cu„rentsMediterranean, | 18 |
| Air cu„rentsMid-Atlantic, | 16 |
| Air cu„rents2,000 feet above the earth’s surface, | 22 |
| Air cu„rentswitnessed at Cadiz, | 20 |
| Angles and degrees compared, | 115 |
| Antoinette motor, The, | 89 |
| Balloons, | 120 |
| Bal„oons spiders, | 27 |
| Birds as thermo-dynamic machines, | 153 |
| Bi„ds Two classes of, | 23 |
| Bleriot’s machine, | 113 |
| Boiler experiments, | 156 |
| Brayton’s gas engine, | 154 |
| British war balloon, | 159, 162 |
| Building up of my large screws, | 41 |
| Burner employed in my experiments, | 157 |
| Character of text-books recently published, | 1 |
| Circulation of air produced by differences in temperature, | 27 |
| Cody’s kite, | 28, 30 |
| Comparative value of different motors, | 151 |
| Conclusions regarding air currents, | 21 |
| Condensers, Testing of, | 52 |
| Condenser tubes, | 60 |
| Continental flying machines, | 9 |
| Crystal Palace experiments, | 72-76 |
| Darwin on the flight of condors, | 11 |
| Deflection of air coming in contact with aeroplanes, | 2 |
| De la Grange machine, The, | 110 |
| “Dirigible” No 2, | 159, 162 |
| Drift at various distances from center to center, Table of, | 58 |
| Dynagraphs, | 136 |
| Dynamic energy of animals, | 127 |
| Eagles, Flight of, | 19 |
| Efficiency of screw propellers, | 147 |
| Effici„ncy of screws in steamships, | 47 |
| Energy developed by a bird, | 13 |
| Engines, | 153 |
| Equivalent inclinations, | 115 |
| Equi„alent velocities, | 116 |
| Experiments of Count Zeppelin, | 124 |
| Experim„nts of Horatio Philipps, | 9, 118, 119, 145 |
| Experim„nts of Lord Rayleigh in reference to Newton’s Law, | 6 |
| Experim„nts of Professor Langley, | 9, 62, 99, 109 |
| Experim„nts of Wright Bros., | 109 |
| Experiments to show efficiency of Screw propellers, | 33 |
| Exper„mentswith apparatus attached to rotating arm, | 62 |
| Exper„mentsw„thboiler, | 156 |
| Exper„mentsw„thhard rolled brass aeroplane, | 3 |
| Exper„mentsw„thmy large machine, | 10, 133 |
| Exper„mentsw„throtating arm, | 64-72 |
| Exper„mentsw„thsmall machines attached to rotating arm, | 159 |
| Fabric covered screw, | 40 |
| Farman’s machine, | 110 |
| Flying of kites, | 25, 28, 29 |
| Forced circulation used by me, | 158 |
| Formulæ unsupported by facts, | 3 |
| French and English measurements, | 128, 129 |
| Gulls, | 20, 21 |
| Gyroscope apparatus, | 93 |
| Gyro„cope Steering by means of, | 92 |
| Hawks and Eagles, | 13 |
| Hélicoptère machine, | 82 |
| Hints as to the building of flying machines, | 77-91 |
| Horizontal movement of the air, | 14 |
| Hub for flying machine, New form of, | 45 |
| Interstellar temperature, | 15 |
| Introductory, | 1 |
| Kites, | 21, 22, 25, 26, 28, 29 |
| Ki„es Behaviour of, | 26 |
| Ki„es Flying of, | 25, 28, 29 |
| Langley, Experiments of, | 9, 62, 99, 109 |
| Lan„ley, on the flight of birds, | 11, 22 |
| Lan„ley, on the power exercised by birds, | 12 |
| “La Patrie,” | 124 |
| Lifting effect of aeroplanes, | 5 |
| Lif„ing surface of aeroplanes, | 103 |
| Low temperature of space, | 15 |
| Major Baden Powell’s demand, | 125 |
| Mistral, The, | 21 |
| Motors, Development of, | 31 |
| Motor, The Antoinette, | 89 |
| My compound engines, | 142 |
| M„ experiments with aeroplanes, | 7 |
| M„ experim„ents withlarge machine, | 10, 133 |
| M„ steam engines, | 155 |
| Newton’s Law, | 2, 6 |
| “Nulli Secundus,” | 28, 121 |
| Oil engines, | 154 |
| Philipps’ experiments, | 9, 118, 119, 145 |
| Phil„pps’sustainers, | 145 |
| Pneumatic buffer, | 90 |
| Position of screw, | 49 |
| Power exerted by a land animal, | 13 |
| Po „er required, | 100 |
| Principally relating to screws, | 31 |
| Rayleigh’s experiments in reference to Newton’s law, | 6 |
| Recapitulation of early experiments, | 130 |
| Recent machines, | 109 |
| Relative value of woods for flying machines, | 85 |
| Reserve energy necessary in flying machines, | 30 |
| Resistance encountered by various shaped bodies, | 52 |
| Rotating arm experiments, | 64-72 |
| Santos Dumont’s flying machine, | 113 |
| Screw blade on Farman’s machine, | 41 |
| Sc„ew blades, Testing of, | 36 |
| Sc„ew bl„des, used by the French Government, | 39 |
| Sc„ew bl„des, with radial edges, | 43 |
| Sc„ew Fabric-covered, | 40 |
| Sc„ew Position of, | 49 |
| Sc„ew propeller made of sheet metal, | 41 |
| Sc„ew propellers, Efficiency of, | 33, 147 |
| Screws, | 8, 31, 35, 36, 40, 41, 46, 47, 49 |
| Scr„ws, Building up of my large, | 40 |
| Scr„ws, their efficiency in steamships, | 47 |
| Shape and efficiency of aeroplanes, | 99 |
| Skin friction, | 41, 48 |
| Spider’s webbing down from the sky, | 27 |
| Spirit lamp and ice box, | 62 |
| Stability of flying machines, | 147, 150 |
| Steam engines used by me, | 155 |
| Steering, | 147, 149 |
| Superposed aeroplanes, | 144 |
| System of splicing and building up wooden members, | 86 |
| Tables:— | |
| Equivalent inclinations, | 115 |
| Equi„alent velocities, | 116 |
| French and English measurements, | 128, 129 |
| Philipps’ experiments, | 119 |
| Relative value of different woods, | 85 |
| Showing the relative power exerted by different birds, | 24 |
| Velocity and pressure of the wind, | 114 |
| Vel„city a„ d thrust corresponding with various horse-powers, | 117 |
| Testing aeroplanes, condensers, etc., | 52 |
| Teutonic vision of aerial power, | 126 |
| Velocity and pressure of wind, | 114 |
| Velo„ity a„d thrust corresponding with various horse-powers, | 117 |
| “Ville de Paris,” | 123 |
| Wright Bros.’ experiments, | 109, 159, 162 |
| Zeppelin’s experiments, | 124, 159, 161 |
BELL AND BAIN, LIMITED, PRINTERS, GLASGOW.
Transcriber’s Notes
Inconsistent spelling and hyphenation in the original work have been retained.
Depending on the hard- and software used to read this text and their settings, not all lay-out, characters and symbols may display as intended.
Changes made to the text:
Illustrations and tables have been moved out of the text, and footnotes have been moved to directly under the paragraph or table they refer to.
Obvious punctuation and typographical errors have been corrected silently.
In some formulas × has been inserted for consistency.
Page vii: battaillons Kommandeur changed to Bataillonskommandeur
Page x: 1 in 20 changed to 1 in 10 (as discussed in the remainder of the paragraph)
Page 24, table: ·64 changed to 7·64
Page 73: all the air effected changed to all the air affected
Page 110: Hargraves’ changed to Hargrave’s
Page 128: over estimated changed to over-estimated.