Index
P.
- Penaud, flying model, or aerodrome, § 9; on undulatory flight path, § 65; theory of stability, App. I.
- Periodic disturbance, effect of, § 47
- Phase curve, § 32
- Phase length, of phugoid curve, §§ 32, 36
- Phugoid chart, the, § 32, also Fig. 42, and frontispiece; plotting the, § 24 et seq.; plotting data, App. V.; employment of, § 43; changes in scale of, § 53
- Phugoid curves or phugoids, equation to, § 20 et seq.; special cases of, § 23; semi-circular, § 23; straight line, § 23; "tumbler" curves, § 26; inflected curves, § 27; plotting the, § 24 et seq.; of small amplitude, § 29; form of orbit, § 30; trammel, use of in plotting, §§ 25, 26; time period, §§ 33, 34, 36; unstable, § 39; form of nearly straight, § 56; considered as sine curve, § 56; damping of the, §§ 46, 48, 49, 121, 122 et seq.
- Phugoid oscillation. See Oscillation.
- Phugoid theory, the, § 18 et seq.; hypothesis, § 19; investigation, § 20; the key to the theory of flight, § 82; aerodynamic basis of the, § 110
- Pline, glider or aerodone due to, § 9; flight path of, § 67
- Plotting data, of phugoid chart, App. V.
- Projectiles, flight of, App. VIII. A.
- Propeller, automatic feathering used by author, App. III.
- Propulsion, by twisted indiarubber, §§ 9, 13, and App. III.; investigations relating to effect of, §§ 119, 120, 121; influence of mode of, on stability, § 118 et seq.; the screw propeller as means of, § 118; curves of torque and h.p., §§ 118, 119
R.
- Rayleigh, dictum defining conditions essential to soaring flight, § 144
- Relative motion, wind in relation to flight path, § 42; in soaring flight, § 153 et seq.
- Resistance, influence of on flight path, §§ 48, 51; effect of in quantitative investigation of stability, §§ 57, 58, 61; and propulsion, combined effect, § 118 et seq.
- Rotative stability, § 101 et seq.; investigation, § 103 et seq.; verification, § 137; application of theory, § 138
S.
- Santos Dumont, on upward motion of air, § 146
- Scale model experiment, § 131 et seq.; allowances, § 134; moment of inertia of, §§ 132, 133. See also Experimental aerodonetics.
- Schlick marine gyroscope, App. VIII. C.
- Sea breeze, rationale of, and examples as evidence of up-current, § 145
- Size of aerodone, effects of, §§ 39, 82, 173
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