Evening Republican, Volume 23, Number 37, Rensselaer, Jasper County, 11 February 1920 — Making Airplane Moro Handy. [ARTICLE]

Making Airplane Moro Handy.

. From Dayton, 0., from whence camo /the news, at first Incredible, that the ■ problem of mechanical flight had been f solved, now comes the news, almost I as hard to believe, that there has been and successfully tested there ■ 'A propeller for airplanes that has something of the diversity of action possessed by the motor organs of birds. The Vanos of the new propeller, it Is । reported, are not Immovable on the / central shaft, but can be more or less ■ changed as to angle with that shaft tai meet the aviator’s will or need. / H thia has been done without intro* /fiudng weakness that goes with com- ‘ plartty es mechanism, the operation I of airplanes, especially at the enorI monely important moment of start- , tag and alighting, will be improved axh actly whore it most needs improveAlready wonderful things are I done with these machines, but the aparrow that fllesjto and stops on a tab F egraph wire or a slender twig does I something at which the moot skillful I aviator hitherto has looked in hopet3mm envy. _ __ That a propeller with movable vanes woind permit the emulation of the ' bird's achievements In rising and i alighting is Mt obvious, but it certain- », ly would bo a step toward the ideal / airship