FIG. | PAGE |
1. Tangential flight | 16 |
2. Horizontal flight | 18 |
3. Lift and drift | 19 |
4. Normal air pressure | 20 |
5. Edge resistance | 20 |
6. Measuring lift and drift | 21 |
7. Equal lift and drift in flight | 25 |
8. Unequal lift and drift | 25 |
9. Wing movement in flight | 29 |
10. Evolution of humming-bird's wing | 30 |
11. A skipper in flight | 35 |
11a. Monoplane in flight | 52 |
12. Angles of flight | 53 |
13. Planes on non-changing body | 55 |
14. Descent with non-changing body | 56 |
15. Utilizing momentum | 57 |
16. Reversing motion | 58 |
17. Showing changing angle of body | 59 |
18. Showing non-changing angle of frame | 60 |
19. Normal flight, with propeller pulling | 61 |
20. Action when propeller ceases to pull | 62 |
21. Synchronously-moving planes | 63 |
22. Stream lines along a plane | 75 |
23. Air lines on the upper side of a plane | 78 |
24. Air lines below a concaved plane | 79 |
25. Air lines above a convex plane | 80 |
26. Changing centers of pressures | 81 |
27. Changing centers of pressures | 81 |
28. Bird-wing structures | 81 |
29. Bird-wing structures | 81 |
FIG. | PAGE |
30. One of the monstrosities | 83 |
31. Flying upside down | 89 |
32. Chart showing range of uses | 92 |
33. Ribs of dragon kite | 96 |
34. The Malay kite | 96 |
35. Dihedral angle | 96 |
36. Common kite | 97 |
37. Bow kite | 98 |
38. Sexagonal kite | 98 |
39. Hargreave kite | 99 |
40. Voison biplane | 100 |
41. Spear kite | 101 |
42. Cellular kite | 101 |
43. Tetrahedral kite | 102 |
44. Deltoid formation | 103 |
45. Deltoid formation | 103 |
46. The Dunne bi-plane | 104 |
47. Rotable umbrella kite | 105 |
48. Action of wind forces on kite | 107 |
49. Farman ailerons | 115 |
49a. Rule for spacing planes | 119 |
50. Frame of control planes | 119 |
51. Side elevation of frame | 120 |
52. Frame with running gear | 120 |
53. Plan view | 122 |
54. Alighting | 123 |
55. Common fly. Outstretched wings | 125 |
56. Common fly. Folded wings | 126 |
57. Relative size of wing and body | 126 |
58. Plan of monoplane | 128 |
59. Side elevation, monoplane | 129 |
60. Horizontal and vertical pull | 137 |
61. Speed indicator | 144 |
62. Air pressure indicator | 145 |
63. The gyroscope | 151 |
64. Application of the gyroscope | 152 |
65. Action of the gyroscope | 153 |
66. Angle indicator | 155 |
FIG. | PAGE |
67. Simple pendulum stabilizer | 156 |
68. Pendulum stabilizers | 157 |
69. Steering and control wheel | 158 |
70. Automatic stabilizing wings | 159 |
71. Action of stabilizing wings | 159 |
72. Into the wind at an angle | 160 |
73. Turning a circle | 161 |
74. Aneroid barometer | 162 |
75. Hydroplane floats | 165 |
76. Describing the pitch line | 188 |
77. Laying out the pitch | 189 |
78. A laminated blank | 191 |
79. Arranging the strips | 192 |
80. End view of blank | 192 |
81. Marking the side | 193 |
82. Outlining | 193 |
83. Cut from a 4" x 6" single blank | 194 |
84. A suggested form | 195 |
85. Deltoid glider | 199 |
86. The Deltoid racer | 199 |
87. "A" shaped racing glider | 201 |
88. Making the propeller | 203 |
89. Shape and size | 205 |
90. Course of a bomb | 210 |
91. Determining altitude and speed | 211 |