nd skids, and may befurther checked by an increase of the angle of incidence ofthe wings. Turning.—It is of the greatest importance to realise thatthe action of the rudder is only effective when the machinehas an adequate keelplate. The term keelplate includesall the portions of the machine which… … .^i^ Relative«<V/ind Direction Tig. 32. no keelplate—an imaginary aeroplane of course—would resultin an equal deflection of the longitudinal axis of the machine,with no appreciable alteration in the direction of motion of thecentre of gravity of the machine. Briefly, the rudder actionon such a…
Airplanes
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