STABILITY AUGMENTATION OF GROUND EFFECT MACHINES Open PDF Document Details Document Type Technical Report Publication Date Apr 01, 1962 Accession Number AD0275159 Entities People Charles R. Hargraves Theodor Dukes Organizations Princeton University Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Aerodynamic Control Surfaces Aeronautical Engineering Aircrafts Base Pressure Closed Loop Systems Control Surfaces Control Systems Control Systems Engineering Differential Equations Dissipation Factor Dynamic Pressure Ground Effect Ground Effect Machines Measurement Military Research Pressure Distribution Resonant Frequency