Static thrust performance data are presented for rotor having NACA 632AO15 airfoil thickness distribution in combination with NACA 230 mean line for blade tip Mach numbers from 0.35 to 0.67; blade with its high lifting efficiency in hovering at moderate tip speeds appears to be well suited.
Hovering characteristics of rotor having airfoil section designed for flying-crane type of helicopter
NASA -- Tech Note
1961
24 pages
Aufsatz (Zeitschrift)
Englisch
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