Pomilio, Ottorino · New York, McGraw-Hill · leaf 43
der; a vertical movable 28 AIRPLANE DESIGN AND CONSTRUCTION surface, which, when properly deviated, will produce abalancing moment to overcome the stabilizing moment ofthe fin, thus permitting a change in the course of the drift.The phenomenon may now be studied more in detail.Let us suppose that… … Fig. 29. rotate about the axis of direction and the line of flight willno longer coincide with the rolling axis; that is, when theairplane starts to drift in its course, a drifting force D isoriginated, which tends to stabilize, and when D X d =D X d, equilibrium will be obtained. Obviously, then,…
Airplanes
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