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Improvement of aileron effectiveness by the prevention of air leakage through the hinge gap as determined in flight (1938)
NASA Technical Reports Server (NTRS) · leaf 12
Air speed, ft. per sec. figure 6.- Maximum rolling velocities obtained with 0.18c and 0.09o aileronsrNASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
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