A STUDY OF TANDEM HELICOPTER FUSELAGE VIBRATION Open PDF Document Details Document Type Technical Report Publication Date Sep 01, 1962 Accession Number AD0290317 Entities People Robert G. Ricks Organizations Boeing Rotorcraft Systems Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Accuracy Aircrafts Birds Dynamic Response Dynamics Elastic Properties Equations Frequency Frequency Shift Fuselages Helicopters Measurement Recording Systems Resonant Frequency Signal Generators Test And Evaluation Vibration