Investigation of the effects of propeller diameter on the ability of a flapped wing, with and without boundary-layer control, to deflect a propeller slipstream downward for vertical take-off

Author:	Spreemann, Kenneth P.
Year:	1957
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-4181
Link:	https://digital.library.unt.edu/ark:/67531/metadc57063/