Airfoil file *.dat - Data File
Files *.dat (Selig format) or *.cor(coordinate file)
The first line describes the airfoil.
The format is X Y :
about the airfoil
Start - Trailing Edge
along top surface (Extrados)
towards Leading Edge
along bottom surface (Intrados)
back towards Trailing
End - back to Trailing Edge
For top surface, Y is positive.
For bottom surface, Y is negative if it is under the reference line.
Between the x et y coordinates, the separator is at least one space
- The first X must be 1.
- The last X must be 1.
Various links to airfoils management websites
Tables of coordinates of a selection of NACA profiles