Wind-Tunnel Vibration Tests of Dual-Rotating Propellers Open PDF Document Details Document Type Technical Report Publication Date Sep 01, 1943 Accession Number ADA800641 Entities People Mason F. Miller Organizations Langley Research Center Tags DTIC Thesaurus Topics Aeronautical Laboratories Aluminum Blades Composite Materials Frequency Gages Propeller Blades Propellers Research Facilities Standards Strain Gages Wind Tunnels