Charts for estimation of the characteristics of a helicopter rotor in forward flight I: profile drag-lift ratio for untwisted rectangular blades

Author:	Gustafson, F. B.
Year:	1944
Document Type:	N/A
Series:	NACA Wartime Reports
Report Number:	NACA-WR-L-110, NACA-ACR-L4H07
Link:	https://digital.library.unt.edu/ark:/67531/metadc61833/