THE EFFECT OF THE VERTICAL POSITION OF THE CENTER OF GRAVITY ON THE STABILITY OF AN ANNULAR JET GROUND EFFECT MACHINE Open PDF Document Details Document Type Technical Report Publication Date Dec 01, 1962 Accession Number AD0297218 Tags Communities of Interest Air Platforms C4I Energy and Power Technologies DTIC Thesaurus Topics Air Supplies Altitude Center Of Gravity Contracts Drag Equations Flight Free Flight Government Procurement Governments Ground Effect Ground Effect Machines Measurement Metacentric Height Test Equipment United States Wind Tunnels