Tests of Bell XP-63 Low-Drag Wing Model with Split Flap Open PDF Document Details Document Type Technical Report Publication Date Sep 01, 1941 Accession Number ADB807245 Entities People W. J. Underwood Organizations Langley Research Center Tags DTIC Thesaurus Topics Aeronautics Airfoils Camouflage Coefficients Deflection Drag Low Drag Personality Reynolds Number Security Split Flaps Turbulence