N.A.C.A. Technlcail ifemorandum No.4-85 Figs.8 & 9 Seconds 0 2 4 6 8 10 12 14 16 18 20 40 D to ^ 10 0 g>-10 o 20^- 0 -10 Fig.8 Rudder fails to check a rolling turn. … ^ -40 Ailerons Fig,9 Attempt to control the roll by means of rudder alone.
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