Source UIUC Airfoil Coordinates DatabaseSource dat fileThe dat file is in Selig format S1223 1.00000 0.00000 0.99838 0.00126 0.99417 0.00494 0.98825 0.01037 0.98075 0.01646 0.97111 0.02250 0.95884 0.02853 0.94389 0.03476 0.92639 0.04116 0.90641 0.04768 0.88406 0.05427 0.85947 0.06089 0.83277 0.06749 0.80412 ...
Details of airfoil (aerofoil)(s1223rtl-il) S1223 RTL Richard T. LaSalle modification of the S1223 to S1223RTL