02173oam 2200589 450 991071710910332120220222132817.0(CKB)5470000002529129(OCoLC)1158388789(EXLCZ)99547000000252912920200615d1940 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierWind-tunnel tests of an NACA 23021 airfoil equipped with a slotted extensible and a plain extensible flap /by Thomas A. Harris and Robert S. SwansonWashington, [D.C.] :National Advisory Committee for Aeronautics,1940.1 online resource (6 pages, 4 unnumbered pages) illustrationsTechnical note / National Advisory Committee for Aeronautics ;no. 782"November 1940."No Federal Depository Library Program (FDLP) item number.Includes bibliographical references (page 6).Wind-tunnel tests of an National Advisory Committee for Aeronautics 23021 airfoil equipped with a slotted extensible and a plain extensible flapAerofoilsWind tunnel testingFlaps (Airplanes)Drag (Aerodynamics)AerofoilsfastDrag (Aerodynamics)fastFlaps (Airplanes)fastWind tunnel testingfastAerofoils.Wind tunnel testing.Flaps (Airplanes)Drag (Aerodynamics)Aerofoils.Drag (Aerodynamics)Flaps (Airplanes)Wind tunnel testing.Harris Thomas A.467642Swanson Robert S.United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910717109103321Wind-tunnel tests of an NACA 23021 airfoil equipped with a slotted extensible and a plain extensible flap3546330UNINA