PERFORMANCE AND WEIGHT ESTIMATES FOR SIX VTOL AIRCRAFT Open PDF Document Details Document Type Technical Report Publication Date Jul 01, 1956 Accession Number AD0147927 Entities People E. M. Irvin R. H. Swan Organizations Boeing Rotorcraft Systems Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Aircrafts Contracts Corporations Government Procurement Governments Ground Effect Jet Aircraft National Security Procurement Propellers Sea Level Shrouded Propellers Tilt Wings Transport Aircraft Turbojet Engines United States United States Government