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In Case You Missed it

Wind Tunnel

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Columnist Barnaby Wainfan continues his flight-testing discussion by taking up the topic of longitudinal stability. By identifying the origin of the problem, whether it be a control-system issue, a too-small static margin, or a combination of the two, the flight tests he recommends will help to isolate the issue.

All About Avionics

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As autopilots become more and more commonplace, their utility only gets better. Stein Bruch offers an overview of the latest trends.

Wind Tunnel

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The aerodynamics of an airplane sometimes don't cooperate with the pilots desire to roll, and instead produce both yaw and roll. Contributing factors are aileron parasite drag, induced drag between the wings and changes in the roll rate itself;

The Airfoil Adventures of Harry Riblett

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Finishing the work NACA started.