Airfoil file *.dat - Data File
Files *.dat (Selig format) or *.cor(coordinate file)
The first line describes the airfoil.
The format is X Y :
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line for X 1.000000 0.9xxxxx .... 0.xxxxx .... 0.9xxxxx 1.000000 |
information Y 0.xxxxxx 0.xxxxxx .... 0.xxxxxx .... -0.xxxxxx 0.xxxxxx |
about the airfoil Start - Trailing Edge along top surface (Extrados) towards Leading Edge 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
Attention :
- The first X must be 1.
- The last X must be 1.
Various links to airfoils management websites



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