e proper cen-trifugal force to spread out the blades. Weight-ing the ends of the propellers has been foundobjectionable and the present invention proposesto overcome these objections by distributing theweight over the blades. Metallic chains orropes are therefore run through the front edgesof the… … PATENT 955,049. 156 AIRCRAFT June, igio NEWS IN GENERAL By Mrs. J. Herbert Sincla^ir THEIndianapolis Motor Speedway thi course in the world,contests will form a large shareheld there this summer, and wNational Championship Uallo Its Nos. zs to 30—Carrying various num-passengers at fast and slow…
Aeronautics
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