NACA M6
       18.       18.

  0.000000  0.000000
  0.012500  0.019700
  0.025000  0.028100
  0.050000  0.040300
  0.075000  0.049400
  0.100000  0.057100
  0.150000  0.068200
  0.200000  0.075500
  0.250000  0.080100
  0.300000  0.082200
  0.400000  0.080500
  0.500000  0.072600
  0.600000  0.060300
  0.700000  0.045800
  0.800000  0.030600
  0.900000  0.015500
  0.950000  0.008800
  1.000000  0.002600

  0.000000  0.000000
  0.012500 -0.017600
  0.025000 -0.022000
  0.050000 -0.027300
  0.075000 -0.030300
  0.100000 -0.032400
  0.150000 -0.034700
  0.200000 -0.036200
  0.250000 -0.037100
  0.300000 -0.037900
  0.400000 -0.039000
  0.500000 -0.039400
  0.600000 -0.038200
  0.700000 -0.034800
  0.800000 -0.028300
  0.900000 -0.017700
  0.950000 -0.010800
  1.000000  0.002600