Drag or negative traction of geared-down supporting propellers in the downward vertical glide of a helicopter / / by A. Toussaint

• Autore: Toussaint A.
• Pubblicazione: [Washington, D.C.] : , : National Advisory Committee for Aeronautics, , 1920
• Descrizione fisica: 1 online resource (5 pages)
• Soggetto topico: Drag (Aerodynamics); Rotors (Helicopters)
• Note generali: "September, 1920."; "Resume translated from the French by the Paris Office, N.A.C.A."; "Paper read by M. Toussaint, Engineer of the Aerotechnical Institute of the University of Paris, (St.-Cyr l'Ecole), before the Scientific Commission of the Aero Club of France, January 24th, 1920"--Page 1.; No Federal Depository Library Program (FDLP) item number.
• Titolo autorizzato: Drag or negative traction of geared-down supporting propellers in the downward vertical glide of a helicopter
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910712850703321
• Lo trovi qui: Univ. Federico II