EPPLER 426 AIRFOIL 20. 21. 0.0003000 0.0028000 0.0050000 0.0114000 0.0134000 0.0206000 0.0260000 0.0295000 0.0430000 0.0379000 0.0640000 0.0452000 0.0890000 0.0511000 0.1170000 0.0556000 0.1510000 0.0585000 0.2290000 0.0606000 0.3190000 0.0597000 0.4180000 0.0549000 0.5210000 0.0470000 0.6250000 0.0373000 0.7250000 0.0272000 0.8160000 0.0181000 0.8920000 0.0107000 0.9520000 0.0053000 0.9870000 0.0013000 1.0000000 0.0000000 0.0003000 0.0028000 0.0010000 -.0054000 0.0070000 -.0137000 0.0180000 -.0220000 0.0330000 -.0297000 0.0510000 -.0364000 0.0750000 -.0416000 0.1020000 -.0453000 0.1340000 -.0473000 0.1730000 -.0480000 0.2550000 -.0475000 0.3020000 -.0463000 0.4010000 -.0415000 0.5060000 -.0340000 0.6130000 -.0253000 0.7150000 -.0167000 0.8090000 -.0096000 0.8880000 -.0047000 0.9470000 -.0018000 0.9870000 -.0002000 1.0000000 0.0000000