Page:Aerial Flight - Volume 2 - Aerodonetics - Frederick Lanchester - 1908.djvu/454

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Index

L.

  • Lanchester. See Author.
  • Langley, aerodrome, § 8; observations on wind fluctuation, § 162
  • Lateral and directional stability, § 83 et seq.; mutual relationship, §§ 84, 101; basis of theory discussed, § 113
  • Lateral stability, oscillations in the transverse plane, §§ 86, 87, 88; damping influences, § 89; effect of moment of inertia on, § 90; form of oscillations, §§ 90, 91; oscillations in the transverse plane in practice, § 92
  • Launching staff §§ 3, 166
  • "Leading plane," employed in lieu of tail-plane, § 136
  • Lilienthal, gliding machine, §§ 8, 81; stability investigated, § 81; relied on skill to preserve equilibrium, § 81; fatal accident to, § 81; instability due to insufficient velocity, § 82; suitable velocity for, § 173
  • Limitations and unaccounted factors, § 115 et seq.
  • Longitudinal stability, §§ 4, 38 et seq., 50 et seq., 118 et seq., 158, 173, and App. II.

M.

  • Marey, observations on the form of the flight path, § 67; observations on the motion of the ball in Bazin's model, § 157
  • Marine gyroscope, Schlick, App. VIII. C.
  • Materials used for flight models, §§ 167, 168
  • Maxim, captive flying machine, acentric, § 16
  • Mica, properties and defects of, §§ 6, 167; used for flight models, § 167
  • Model experiments. See Experimental aerodonetics; also Scale model experiments.
  • Models. See Flight models; also Aerodones
  • Moment of inertia, effect of, §§ 48, 49, 52, 53, 54; influence on flight path, §§ 59, 60, 62; influence always detrimental, § 92; measurement of, § 172 and App. VI.; of birds, expression for, § 79
  • Mouillard, observations concerning flight path, § 66; conditions of soaring dependent on aerial motion, § 145; on the variable sustaining power of wind, § 162

N.

  • Natural gliding angle, §§ 3, 61
  • Natural velocity, §§ 3, 21

O.

  • Olton, author's flight experiments at, § 13
  • Orbit, in dynamic soaring, form of, § 157
  • Oscillation, vertical, in the flight path, §§ 4, 15, 17; phugoid oscillation, §§ 26 et seq., 30 et seq., 47; damping of phugoid oscillation, §§ 46, 48, 49, 121, 122 et seq.; secondary effects of, § 181; lateral, §§ 5, 83 et seq.; damping lateral, § 91

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