3/6/2024 0 Comments Airfoil database dat![]() Problems associated with lateral-control devices, leading-edge air intakes, and interference are briefly discussed, together with aerodynamic problems of application. Available data on high-lift devices are presented. The UIUC Airfoil Data Site includes airfoil coordinates for approximately 1,600 airfoils. Each are measured in clean and tripped conditions. There are 9 different slat configurations as discussed in the included report. The base airfoil is measured in three configurations clean, tripped, and with vortex generators. The report includes an analysis of the lift, drag, pitching-moment, and critical-speed characteristics of the airfoils, together with a discussion of the effects of surface conditions. The data was collected at the Delft University of Technologys Low Turbulence Tunnel in summer of 2020. Detail data necessary for the application of the airfoils to wing design are presented in supplementary figures placed at the end of the paper. ![]() The general methods used to derive the basic thickness forms for NACA 6 and 7-series airfoils together with their corresponding pressure distributions are presented. New data are presented that permit the rapid calculation of the approximate pressure distributions for the older NACA four-digit and five-digit airfoils by the same methods used for the NACA 6-series airfoils. Summary of Airfoil Data The historical development of NACA airfoils is briefly reviewed. Legacy Airfoil Tables Legacy airfoil tables are widely used and circulated within the rotorcraft community. \ \ \ \ Eppler E329 flying wing airfoil \ \ \ \ \ Eppler E330 flying wing airfoil \ \ Eppler E331 flying wing airfoil \ \ \ \ \ Eppler E332 flying wing airfoil \ \ \ \ \ Eppler E432 sailplane airfoil \ \ \ \ \ Eppler E433 sailplane airfoil \ \ \ \ \ \ \ \ Eppler E471 airfoil \ \ \ \ \ \ \ \ Eppler E475 aerobatic aircraft airfoil \ \ \ \ \ Eppler.
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