Investigation of the effectiveness of boundary-layer control by blowing over a combination of sliding and plain flaps in deflecting a propeller slipstream downward for vertical take-off

Author:	Spreemann, Kenneth P.
Year:	1956
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-3904
Link:	https://digital.library.unt.edu/ark:/67531/metadc56479/