Air Flow Investigation for Location of Angle of Attack Head on a JN4h Airplane (1925)
NASA Technical Reports Server (NTRS) · leaf 16
N.A.C.A. Technical Note No. 322 Fig, 4 Best position for least upwash … The airflow through a biplane cellule. Airflow at 4-6.5 M.P.H. Angle of attack =9.2° Shaded area is neutral zone. Note: Angles are graphically exaggerated 2 times actual value* Scale: 1 inch = 2 feet. Fig. 4
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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