Effect of Ground Proximity on the Aerodynamic Characteristics of a Four-Engine Vertical-Take-Off-and-Landing Transport-Airplane Model With Tilting Wing and Propellers

Author:	Newsom, William A., Jr.
Year:	1957
Document Type:	N/A
Series:	NACA Technical Notes
Report Number:	NACA-TN-4124
Link:	https://digital.library.unt.edu/ark:/67531/metadc56589/