The Effect of Trailing-Edge Extension Flaps on Propeller Characteristics Open PDF Document Details Document Type Technical Report Publication Date Jan 01, 1945 Accession Number ADA801213 Entities People John L. Crigler Organizations Langley Research Center Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Blades Coefficients Diameters Distribution Curves Experimental Data Load Distribution Mach Number Propeller Blades Propellers Trailing Edges Wind Tunnels