Mathematical theory of lifting propellers; formulas for determining shape of ideal lifting propellers; structural economy of helicopters and effect of diameter of propeller on useful load of helicopter; analysis leads author to believe that propeller of high angle of incidence may solve problem of vertical take-off.
General study of lifting propellers
Studio \ill\ dell' elica sostentativa
Notiziario Tecnico di Aeronautica ; 8 , n 12
1929
48 pages
8 Figs.
Article (Journal)
Italian
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