01849oam 2200469I 450 991071284260332120200131105329.0(CKB)5470000002497758(OCoLC)1107323707(EXLCZ)99547000000249775820190703d1921 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMeasurements of rudder moments on an airplane during flight /by v. Heidelberg[Washington, D.C.] :National Advisory Committee for Aeronautics,1921.1 online resource (23 pages, 5 unnumbered pages) illustrationsTechnical notes / National Advisory Committee for Aeronautics ;No. 38"January, 1921.""Translated from Zeitschrift fűr Flugtechnik und Motorluftschiffahrt, Volumes Nos. 21 and 22, Paris Office, N.A.C.A."Author is listed as "Ing. v. Heidelberg", however, this may not be a single author, but could signify "engineers from Heidelberg."No Federal Depository Library Program (FDLP) item number.Includes bibliographical references.AirplanesSteering-gearTestingAirplanesTail surfacesAirplanesTail surfacesfastAirplanesSteering-gearTesting.AirplanesTail surfaces.AirplanesTail surfaces.Heidelberg V.1394023United States.National Advisory Committee for Aeronautics,TRAALTRAALOCLCOOCLCFGPOBOOK9910712842603321Measurements of rudder moments on an airplane during flight3457759UNINA