Abstract

This paper compares the aerodynamic properties for flexible membrane MAV (micro air vehicle) wings with flat frames and cambered frames. The frames for the wings were designed in SolidWorks and constructed using an Objet30 Pro 3D printer. The membranes are composed of silicone rubber. The wings were tested in a The University of Alabama’s low speed wind tunnel at a Reynolds number of 50,000 (10 m/s) while varying angles-of-attack from -4 to 24°. A load cell was used to gather force measurements that were used to develop lift, drag, and pitching moment coefficients. The results show that cambering the frames for the flexible MAV wings increases maximum lift and aerodynamic efficiency when compared to flat frames.

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