Index:Aerial Flight - Volume 2 - Aerodonetics - Frederick Lanchester - 1908.djvu

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Title	Aerodonetics: Constituting the Second Volume of a Complete Work On Aerial Flight
Author	F. W. (Frederick William) Lanchester
Year	1908
Publisher	A. Constable & Co., Ltd.
Location	London
Source	djvu
Progress	To be proofread
Transclusion	Index not transcluded or unreviewed

Pages (key to Page Status)

- - - - h/t - - Img Title Printer Preface xii xiii xiv xv xvi Contents xviii xix xx xxi Errata (vol 1) Ch.1 2 3 4 5 6 7 8 9 10 11 12 13 14 Img 16 17 Img 19 Img Img Img 23 24 25 26 Img Img Img 30 31 32 33 34 Img 36 Ch.2 38 39 40 41 42 43 44 45 Ch.3 47 Img 49 50 51 Img 53 54 55 56 57 Img 59 60 61 62 63 64 65 Ch.4 67 68 69 70 Img — 71 72 73 74 75 76 77 78 Ch.5 80 Img 82 83 84 85 86 87 88 Img 90 91 92 93 94 95 96 97 98 99 100 101 Ch.6 103 104 105 106 Img 108 Img 110 111 112 113 114 115 116 Img 118 119 120 Img 122 Img 124 125 126 127 128 129 130 131 132 133 Img 135 Img 137 138 139 140 141 142 Img 144 145 146 Img 148 149 150 Img 152 153 Ch.7 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 Img 188 189 190 191 192 193 194 195 Ch.8 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 Img 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 Ch.9 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 Img 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 Ch.10 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 Gloss. 348 349 App.1 351 352 App.2 354 355 Img App.3 Img 359 Img App.4 362 363 364 365 App.5 367 368 369 370 App.6 Img 373 App.7 375 376 377 378 379 380 381 382 App.8A 384 385 386 387 388 389 390 391 392 393 394 Img 396 397 398 399 App.8B 401 402 403 404 405 406 407 408 409 410 411 412 413 414 App.8C 416 Img 418 App.8D Img 421 Img 423 App.8E 425 - Index 428 429 430 431

Contents.

Chapter I.

Free Flight, General Principles and Phenomena.

§ 1. Introductory.
2. Introductory Remarks—continued.
3. The Ballasted Aeroplane. A Simple Case.
4. The Ballasted Aeroplane. Longitudinal Stability.
5. The Ballasted Aeroplane. Lateral Stability.
6. Ballasted Aeroplane. Directional Stability.
7. Ballasted Aeroplane. Interaction of Motions in and about the Co-ordinate Axes.
8. Other Forms of Aerodone.
9. Some Successful Gliding and Flying Models.
10. Author's Experiments, 1894.
11 . Author's Experiments — continued. The Aerodone.
12. The Author's Experiments— continued. The Catapult.
13. Site and Date of Experiments.
14. The Author's Experiments. Records.
15. The Author's Experiments. Discussion.
16. Author's Experiments. Remarks and Summary.
17. Author's Experiments. Remarks and Summary—continued.

Chapter II.

The Phugoid Theory.—The Equations of the Flight Path.

§18. Introductory.
19. Initial Hypothesis.
20. The Phugoid Equation.
21. Substitution for the Constant ».
22. Radius of Curvature.
23. Some Special Cases of the Phugoid Curve.

Chapter III.

The Phugoid Theory.—The Flight Path Plotted.

§ 24. Preliminary Considerations.
25. Plotting the Curves. The Trommel.
§ 26. Plotting the Curves. The Use of the Trammel.
27. Plotting the Inflected Carve.
28. Plotting the Inflected Curve. Example.
29. Phugoids of Small Amplitude.
30. Phugoids of Small Amplitude. Form of Orbit.
31. Phugoids of small Amplitude. Plotting.
32. The Phugoid Chart.
33. The Time Period of the Phugoid Path.
34. The Time Period of the Phugoid Path. Special Cases.
35. The Time Period and Form of the Phugoid Path. Special Cases—continued.
36. Relations of Time Period, Phase Length, and Velocity for Phugoids of Small Amplitude.
37. Variations in the Value of C for Geometrically Similar Curves. The Constant K.

Chapter IV.

Elementary Deductions from the Phugoid Theory.

§ 38. Permanence of Stability.
39. Unstable Conditions. The Danger Zone on the Phugoid Chart.
40. Stability in Face of a Disturbing Cause.
41. The Constant C as an Index of Stability.
42. Wind Fluctuation. A Question of Relative Motion.
43. Wind Gusts of Changing Velocity and Direction.
44. Stability in the Face of Wind Fluctuations.
45. Stability in the Face of Wind Fluctuations—continued.
46. The Practical Limit of Stability.
47. The Influence of a Periodic Disturbance.
48. Unaccounted Factors in relation to the Flight Path
49. Unaccounted Factors—continued.

Chapter V.

Stability of the Flight Path as Affected by Resistance and Moment of Inertia.

§ 50. Introductory.
51. Influence of Resistance on Amplitude.
52. Influence of Moment of Inertia.
53. Influence of Moment of Inertia—continued.
54. Influence of Moment of Inertia—continued.
55. The Quantitative Problem.
56. The Form of the Nearly Straight Phugoid.
57. On the Form of the Change in H duo to Resistance.
58. On the Form of the Change in H duo to Resistance—continued.
59. On the Changes in the Magnitude of H_n due to Moment of Inertia.
60. Statement of Case.
61. The Equation of Stability.
62. The Equation of Stability. The Investigation continued.
63. The Equation of Stability. The Investigation concluded.

Chapter VI.

Experimental Evidence and Verification of the Phugoid Theory.

§ 64. Preliminary. The Importance of the Experimental Verification.
65. Penaud's Experiments.
66. Mouillard's Observations.
67. Marey's Experiments.
68. The Author's Experiments in Confirmation of the Phugoid Theory.
69. Confirmation of the Phugoid Theory as to Time, Velocity, and Phase Length.
70. Verification of the Equation of Stability.
71. Experimental Verification of the Equation of Stability.
72. Experimental Verification of the Equation of Stability — continued.
73. Verification of the Equation of Stability—continued. Small Scale Experiments.
74. Verification of the Equation of Stability. Small Scale Experiments—continued.
75. The Stability of Birds in Flight.
76. The Stability of Birds in Flight—continued.
77. The Stability of Birds in Flight—continued.
78. Stability of the Hirundo Apus.
79. Stability of Diomedea Exulans.
80. The Ea nation of Stability applied to the Author's 1894 Models.
81. Lilienthal's Machine. Stability Investigated.
82. Résumé.

Chapter VII.

Lateral and Directional Stability.

§ 83. Introductory.
84. The Mutual Relationship of Lateral and Directional Stability.
85. lateral Stability.
86. Lateral Stability. Oscillations in the Transverse Plane.
87. Lateral Stability. Oscillations in the Transverse Plane—continued.
88. Oscillations in the Transverse Plane—continued.
89. Oscillations in the Transverse Plane. Damping Influences.
90. Oscillations in the Transverse Plane. Influence of Moment of Inertia.
91. Oscillations in the Transverse Plane. Form of the Oscillations.
92. Lateral Stability. Oscillations in the Transverse Plane in Practice.
93. Directional Stability.
94. Directional Stability—continued.
95. A Study in Directional Equilibrium and Maintenance.
96. A Study in Directional Equilibrium—continued.
97. Directional Stability—continued.
98. Directional Stability. Practical Considerations,
99. Fin Resolution.
100. Fin Resolution—continued.
101. Botative Stability.
102. Botative Stability—continued.
103. Botative Stability. Basis of Investigation Defined.
104. Botative Stability. Preliminary Investigation.
105. Botative Stability. Investigation.
106. On the Aerodynamic Radius.
107. On the Aerodynamic Radius. Theoretically Considered.
108. On the Aerodromic Radius.

Chapter VIII.

Review of Chapters I. — VII. and General Conclusions.

§ 109. Preliminary.
110. Aerodynamic Basis of the Phugoid Theory.
111. Basis of the Equation of Stability.
112. The Equation of Stability. Unaccounted Factors.
113. Basis of the Theory of Lateral and Directional Stability.
114. Aerodynamic Basis of the Investigation on Rotative Stability.
115. Limitations and Unaccounted Factors.
116. Limitations and Unaccounted Factors—continued.
117. Limitations and Unaccounted Factors—continued.
118. The Influence of the Mode of Propulsion.
119. The Influence of the Mode of Propulsion—continued.
120. The Influence of the Mode of Propulsion—continued.
121. Rate of Damping of the Phugoid Oscillation.
122. Damping of the Phugoid Oscillation. Examples.
123. Damping of the Phugoid Oscillation. Examples—continued.
124. Damping of the Phugoid Oscillation. Examples —continued.
125. Damping of the Phugoid Oscillation. Examples—continued.
126. The Law of Corresponding Speed.
127. Theory of Corresponding Speed.
128. The Theory of Corresponding Speed—continued.
129. The Law of Corresponding Speed in its Relation to the Phugoid Theory.
130. The Theory of Corresponding Speed—continued.
131. Scale Model Experiments.
132. Scale Model Experiments—continued.
133. Scale Model Experiments—continued.
134. Scale Model Experiments. Allowances.
135. Scale Model Experiments. Summary.
136. Departures from Elementary Type.
137. The Theory of Lateral and Rotative Stability.
138. Application of the Theory of Lateral and Rotative Stability.
139. Conclusions.
140. Historical Note.

Chapter IX.

Soaring.

§ 141. Introductory.
142. Author's Observations on Soaring Flight.
143. Soaring Flight Described by other Observers.
144. The Different Modes of Soaring Flight.
145. The Vertical Component of the Wind. Meteorological Considerations.
146. The Vertical Component of the Wind — continued.
147. The Vertical Component of the Wind as dependent upon Geographical Conditions.
148. The Up-Current in its Relation to Soaring Flight.
149. The Up-Current in its Relation to Soaring Flight—continued.
150. Dynamic Soaring.
151. Dynamic Soaring. Preliminary Investigation.
152. Dynamic Soaring. Historical Development of Modern Theory.
153. Dynamic Soaring. Theory of the "Switch-back" Model.
154. Theory of Dynamic Soaring. Quantitative Treatment.
§ 155. Theory of Dynamic Soaring. Quantitative Investigation—continued.
156. Theory of Dynamic Soaring. Harmonic Wind Pulsation.
157. The Form of the Orbit in Dynamic Soaring.
158. Dynamic Soaring in its Relation to the Phugoid Flight Path.
159. The Relation between the Energy of Turbulence and the Velocity of Flight.
160. The Efficiency of Dynamic Soaring. Energy Available in Terms of Total Energy of Turbulence.
161. Efficiency of Dynamic Soaring—continued.
162. Dynamic Soaring as determined by Different Kinds of Aerial Disturbance.
163. Dynamic Soaring as dependent on Dead-Water Region.
164. Dynamic Soaring. Mixed Conditions.

Chapter X.

Experimental Aerodonetics.

§ 165. Introductory.
166. Method of Experiment.
167. Construction. Materials Employed.
168. Materials — contin ued.
169. The Aerofoil.
170. The Aerofoil—continued.
171. The Fin-plan and Tail-plane.
172. The Measurement of Moment of Inertia.
173. Admissible Proportions of Models.
174. The Design of an Aerodone.
175. On the Angle of the Tail-plane and the Position of the Centre of Gravity.
176. On the Angle of the Tail-plane and the Position of the Centre of Gravity—continued.
177. Methods of Steering.
178. On the Ballasted Aeroplane.
179. Some Vagaries of the Flight Path.
180. Vagaries of the Flight Path—continued.
181. Vagaries of the Flight Path—continued.

Glossary.

Appendices.

Index.