Dann ist ja alles klar. Per X-Foil erzeugt:
NACA 4409
1.000000 0.000945
0.994323 0.002294
0.983676 0.004793
0.970911 0.007737
0.956995 0.010882
0.942626 0.014060
0.928098 0.017203
0.913510 0.020287
0.898892 0.023306
0.884256 0.026259
0.869604 0.029144
0.854938 0.031961
0.840258 0.034711
0.825565 0.037394
0.810861 0.040009
0.796144 0.042556
0.781417 0.045036
0.766679 0.047447
0.751931 0.049790
0.737174 0.052064
0.722408 0.054269
0.707634 0.056404
0.692853 0.058469
0.678064 0.060463
0.663270 0.062386
0.648470 0.064237
0.633664 0.066015
0.618855 0.067720
0.604041 0.069349
0.589225 0.070903
0.574406 0.072381
0.559586 0.073780
0.544765 0.075100
0.529945 0.076340
0.515124 0.077498
0.500306 0.078573
0.485490 0.079562
0.470679 0.080465
0.455872 0.081280
0.441073 0.082003
0.426288 0.082635
0.411530 0.083170
0.396862 0.083606
0.382327 0.083902
0.367844 0.084039
0.353388 0.084018
0.338953 0.083835
0.324538 0.083489
0.310146 0.082977
0.295781 0.082295
0.281445 0.081440
0.267142 0.080410
0.252877 0.079201
0.238655 0.077809
0.224482 0.076230
0.210364 0.074460
0.196308 0.072495
0.182323 0.070330
0.168420 0.067960
0.154611 0.065379
0.140913 0.062580
0.127346 0.059558
0.113936 0.056307
0.100722 0.052820
0.087759 0.049095
0.075133 0.045137
0.062987 0.040969
0.051551 0.036654
0.041159 0.032321
0.032172 0.028156
0.024784 0.024336
0.018921 0.020944
0.014326 0.017961
0.010714 0.015318
0.007852 0.012939
0.005571 0.010758
0.003756 0.008721
0.002335 0.006789
0.001265 0.004933
0.000526 0.003141
0.000109 0.001409
0.000003 -0.000232
0.000209 -0.001876
0.000784 -0.003539
0.001756 -0.005149
0.003122 -0.006665
0.004872 -0.008077
0.007018 -0.009396
0.009608 -0.010638
0.012732 -0.011822
0.016533 -0.012961
0.021226 -0.014059
0.027109 -0.015109
0.034521 -0.016077
0.043727 -0.016899
0.054710 -0.017502
0.067116 -0.017835
0.080480 -0.017902
0.094438 -0.017738
0.108769 -0.017386
0.123347 -0.016886
0.138102 -0.016270
0.152989 -0.015567
0.167980 -0.014798
0.183054 -0.013982
0.198195 -0.013134
0.213388 -0.012268
0.228603 -0.011397
0.243802 -0.010533
0.258971 -0.009685
0.274110 -0.008859
0.289221 -0.008062
0.304308 -0.007299
0.319373 -0.006575
0.334418 -0.005895
0.349446 -0.005262
0.364460 -0.004680
0.379470 -0.004152
0.394495 -0.003681
0.409606 -0.003254
0.424809 -0.002829
0.440045 -0.002407
0.455283 -0.001989
0.470515 -0.001580
0.485737 -0.001180
0.500951 -0.000792
0.516157 -0.000419
0.531355 -0.000060
0.546546 0.000282
0.561731 0.000605
0.576909 0.000909
0.592083 0.001191
0.607251 0.001452
0.622416 0.001690
0.637576 0.001905
0.652733 0.002094
0.667887 0.002259
0.683038 0.002397
0.698186 0.002509
0.713333 0.002594
0.728478 0.002652
0.743622 0.002682
0.758764 0.002685
0.773906 0.002659
0.789048 0.002605
0.804190 0.002523
0.819332 0.002414
0.834475 0.002276
0.849619 0.002110
0.864763 0.001917
0.879909 0.001697
0.895055 0.001451
0.910200 0.001178
0.925334 0.000879
0.940426 0.000557
0.955374 0.000214
0.969862 -0.000141
0.983136 -0.000484
0.994156 -0.000782
1.000000 -0.000945
