A possible method for preventing the autorotation of airplane wings (1930)
NASA Technical Reports Server (NTRS) · leaf 8
Figs.4,5,6. N.A.C.A. Technical Memorandum No.569 •— a —+—d x—e … Fig.4 Results of autorotation tests. Curves (a) to (e) correspond to slot arrangements•in Figs.2a to 2e. Curve; (f) is for the smooth wing. Of the doubly plotted points one corresponds to left rotation and one to right rotation. The flags indicate cases in which the model goes into autorotation.…
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