Approximate solution for streamlines about a lifting rotor having uniform loading and operating in hovering or low-speed vertical-ascent flight conditions

Author:	Castles, Walter, Jr.
Year:	1957
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-3921
Link:	https://digital.library.unt.edu/ark:/67531/metadc56614/