If z coordinates are included in the data file, they are ignored. Data files that are created from some drafting or design program packages may include z coordinates. The first format requires an airfoil name/description in the first line and is followed by x and y coordinates. Some checks are performed on the data as it is being read and appropriate warning messages are displayed. Creation of airfoil data files is described in the section below.Ĭoordinate points may be added, modified, or deleted as necessary. It is NOT possible to create a data file using this table. The selected coordinate pair will be denoted on the airfoil by a red circle. Use the mouse and/or arrow keys to navigate in the table. The data is displayed in a grid table with limited editing capability. It is shown in the "Airfoil Name" text box and may be changed as desired. The first line of the data file is always assumed to be the airfoil name. cor is also included.Īfter the data file has been read it will be shown graphically on the main display and in the tabular grid shown below. Additional information may be found at This should be considered as the standard for airfoil coordinate files. Selig of the Applied Aerodynamics Group at the University of Illinois at Urbana-Champaign. An extensive file of airfoil coordinates is maintained by Dr. The coordinates are dimensionless and in terms of x/chord and y/chord. Two different data file formats are possible.
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