Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 172
ch is en-gaged by any gust of windfrom either side of the aero-plane, tending to tilt thependulum, and bringing itsgyroscopic resistance intoplay to warp the wings, oroperate ailerons. ground was the fruit of timidity. On the contrary,although they are long past the preliminary stages,their advice… … When the aeroplane is steered to the left, the pendulum swings to the right anddepresses the right side of the plane, as in (c). The reaction of the airraises the right side of the plane until both surfaces are perpendicularto the inclined pendulum, as in (d). Diagrams showing action of Marmonier…
Aeronautics
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