Observations in Flight of the Region of Stalled Flow over the Blades of an Autogiro Rotor (1939)
NASA Technical Reports Server (NTRS) · leaf 19
N.A.C.A. Technical Note No. 741 Fig. 7 … Figure 7.- Experimental outer boundaries of the region of stalled flow as obtained from the tuft observations. The YG-1B autogiro rotor.
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