Some effects of propeller operation and location on ability of a wing with plain flaps to deflect propeller slipstreams downward for vertical take-off

Author:	Draper, John W
Year:	1955
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-3360
Link:	https://digital.library.unt.edu/ark:/67531/metadc56016/