Flight Tests of Retractable Ailerons on a Highly Tapered Wing (1939)
NASA Technical Reports Server (NTRS) · leaf 14
Air speed Figure 7.- Variation of angle of roll attained in 1 second with air ap*ed» Retractable h* ailerons fully deflected; modified Fairchild 22 airplane. ?
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.