rudder

‘ado n. 4. a device, usually at the rear or front of an airshrp, by means of which the craft-is guided or steerd; a steerrngplane; a rudder-plane. box rudder, a rudder in the form of a box with two oppos it sides or ends wanting; a rudder typically consisting of four planes joining at right angles in lines lying in planes parallel to the vertical plane pa ing thru the line of the direction of flight. double rudder, any rudder having two planes or surfaces. flexible rudder, a rudder which is made flexible or capable of being bent so as to present curvd surfaces to the air. forward rudder, same meaning as front rudder. front rudder, a rudder, usually herzzental, located at the front or fore part of an airship; a forward rudder; an elevating-plane; an elevator. horizontal rudder, a rudder, commonly at the front or rear of a flying-machine, whose axis of rotation is herzzental and which is used for upzandzdown steering and to effect, or aid in maintaining, longitudinal equilibrium; an upzandzdown rudder; an altitude-rudder; an elevating plane; an elevator. lateral rudder, a rudder, as in the rear of an aeroplane flying-machine, used to effect, or aid 1n maintaining, lateral equilibrium; a vertrcal rudder-plane designed to aid in balancing a flyer laterally; a rightcandzleft rudder. pivoted rudder, a rudder which rs pivoted so as to turn upon an axis, usually herzzental or vertical. rightzandzleft rudder, same meaning as lateral rudder, vertical rudder, sideztozside rudder. sidectozside rudder, same meaning as rightzandzleft rudder. stabilizing rudder, a rudder or rudder-like aeroferl, as at either wingtip of an aeroplane flying-machine, used for stabzlizing or stedying the craft; a balancing-plane; an aileren. twisting rudder, a flying-machine rudder which is capable of being twisted, warpt, or revelvd and flext at the same time, and thus acting upon the air in every pe ible direction, after the manner of the tail of most birds. upzandzdown rudder, same meaning as -horizontal rudder, altitude rudder. vertical rudder, a rudder whose axis of rotation is vert real and which is used for rightzandzleft steerrng and to effect, or aid sn maintaining, lateral equilibrium; a rightandzleft rudder; a lateral rudder. 2. a rudderzfether.