Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 171
ntrolling wires are attached. When the bell isrocked back and forward the elevator tips on the rear plane are moved;rocking from side to side moves the stabilizing tips of the main plane.Turning the bell around moves the rudder. any more at Issy, as he said the ground was far toosmall for such a… … The Marmonier gyroscopic pen-dulum, devised to secureautomatic stability of aero-planes. The wheels aredriven by the aeroplane mo-tor at high speed. The pen-dulum rod is extended up-ward above the axis andcarries a vane which is en-gaged by any gust of windfrom either side of the aero-plane,…
Aeronautics
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