Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 345
CHANICS FOR BOYS Duly, The Elevator The elevator, which is virtually a horizontalrudder, is generally composed of two similarflaps hinged to the rear edge of the tail-plane.These act in unison, being separated simply topermit the vertical rudder to swing between them.In cases where the rudder is… … WRIGHT MILITARY BIPLANE IN FLIGHT. The Motor and Propeller In the monoplane and in tractor biplanes, themotor is now generally housed in the forwardpart of the fuselage, just in front of the pilotsseat, and directly behind the radiator, as in auto-mobiles. With rotary motors which are air-cooled,…
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