Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 174
If, when pursuing a straight course, the aeroplane is tilted by a sideways wind(6), the action of the pendulum as described above restores it to an evenkeel, as in (a). Diagrams showing action of Marmonier gyroscopic pendulum. to the operator. Automatic mechanism will sup-plant the intense and…
Aeronautics
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