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Photographic Observations of Blade Motion of the YG-1B Autogiro Equipped with Tapered Rotor Blades

Authors
  • Boothby, W. B.
Publication Date
May 09, 1940
Source
NASA Technical Reports Server
Keywords
License
Unknown

Abstract

This report presents the results of photographic observations in flight of the flapping, the motion about the vertical pin, and the dynamic twist of a new type tapered rotor blade on the Kellett YG-1B autogiro. The blades, which were designed by the Kellett Autogiro Corporation, made use of the NACA 230 series airfoil section, for the purpose of eliminating undesirable dynamic blade twist present in the original blades. The results reported herein show that in actual operation the new blades very closely approach the desired condition of no dynamic twist.

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