Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 330
the turningor yawing velocity, and the spiral starts. This tendencytoward a spiral dive can be corrected by a vertical finplaced forward, and above the center of gravity, or byraising the wing tips. An upper fin of this type will givea force that tends to break up the bank when side slipstarts and… … ?^ OJ aj x-2 2 Bw5on «j a ^:^ ■ail o S --> 320 STABILITY when the machine is stalled, one wing tip has no morelift than the other, and hence the damping effect of thewings and the action of the ailerons becomes negligible. Dutch Roll. In Dutch Roll, the rolling is ac-companied by an alternate…
Airplanes
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