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NN7 MK20 (nn7mk20-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NN7 MK20 (nn7mk20-il)
Reynolds number: 500,000
Max Cl/Cd: 101.79 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-nn7mk20-il-500000.txt
Download as CSV file: xf-nn7mk20-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NN7 MK20                                        
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -0.5122   0.07191   0.06931  -0.0810   1.0000   0.0144
 -12.750  -0.5252   0.06729   0.06459  -0.0838   1.0000   0.0143
 -12.500  -0.5354   0.06322   0.06050  -0.0847   1.0000   0.0140
 -12.250  -0.5582   0.05727   0.05443  -0.0880   0.9988   0.0139
 -12.000  -0.5711   0.05021   0.04713  -0.0946   0.9748   0.0137
 -11.750  -0.5721   0.04369   0.04028  -0.1026   0.9583   0.0134
 -11.500  -0.5646   0.03667   0.03272  -0.1122   0.9425   0.0135
 -11.250  -0.5442   0.03235   0.02796  -0.1183   0.9225   0.0134
 -11.000  -0.5349   0.02980   0.02502  -0.1192   0.8986   0.0136
 -10.500  -0.5240   0.02655   0.02124  -0.1163   0.8654   0.0139
 -10.250  -0.5180   0.02549   0.01997  -0.1143   0.8527   0.0141
 -10.000  -0.5093   0.02452   0.01882  -0.1125   0.8423   0.0142
  -9.750  -0.4905   0.02245   0.01654  -0.1115   0.8353   0.0146
  -9.500  -0.4768   0.02146   0.01548  -0.1100   0.8270   0.0149
  -9.250  -0.4614   0.02070   0.01463  -0.1088   0.8201   0.0153
  -9.000  -0.4447   0.02001   0.01387  -0.1078   0.8132   0.0158
  -8.750  -0.4270   0.01938   0.01314  -0.1069   0.8070   0.0165
  -8.500  -0.4083   0.01878   0.01246  -0.1060   0.8011   0.0172
  -8.250  -0.3885   0.01827   0.01186  -0.1052   0.7951   0.0180
  -8.000  -0.3714   0.01744   0.01092  -0.1040   0.7899   0.0190
  -7.750  -0.3543   0.01665   0.01013  -0.1030   0.7845   0.0201
  -7.500  -0.3334   0.01615   0.00959  -0.1025   0.7794   0.0218
  -7.250  -0.3110   0.01574   0.00907  -0.1020   0.7749   0.0235
  -7.000  -0.2932   0.01487   0.00819  -0.1012   0.7700   0.0264
  -6.750  -0.2697   0.01448   0.00777  -0.1009   0.7651   0.0294
  -6.500  -0.2474   0.01392   0.00713  -0.1005   0.7609   0.0324
  -6.250  -0.2234   0.01351   0.00668  -0.1003   0.7570   0.0359
  -6.000  -0.1979   0.01325   0.00638  -0.1003   0.7524   0.0389
  -5.750  -0.1743   0.01271   0.00583  -0.1001   0.7481   0.0448
  -5.500  -0.1484   0.01240   0.00546  -0.1001   0.7444   0.0510
  -5.250  -0.1237   0.01192   0.00506  -0.1000   0.7405   0.0674
  -5.000  -0.1007   0.01117   0.00459  -0.1000   0.7362   0.1287
  -4.750  -0.0801   0.00999   0.00399  -0.1000   0.7322   0.2723
  -4.500  -0.0572   0.00909   0.00353  -0.1000   0.7287   0.4040
  -4.250  -0.0327   0.00863   0.00344  -0.0998   0.7248   0.4993
  -4.000  -0.0050   0.00862   0.00349  -0.0998   0.7206   0.5414
  -3.750   0.0236   0.00869   0.00350  -0.0999   0.7169   0.5629
  -3.500   0.0526   0.00883   0.00355  -0.1001   0.7134   0.5779
  -3.250   0.0808   0.00897   0.00369  -0.1001   0.7095   0.5915
  -3.000   0.1092   0.00915   0.00386  -0.1000   0.7055   0.6028
  -2.750   0.1379   0.00934   0.00397  -0.1001   0.7019   0.6129
  -2.500   0.1669   0.00947   0.00405  -0.1002   0.6986   0.6172
  -2.250   0.1953   0.00954   0.00410  -0.1004   0.6949   0.6221
  -2.000   0.2237   0.00963   0.00415  -0.1005   0.6909   0.6279
  -1.750   0.2522   0.00978   0.00430  -0.1004   0.6873   0.6324
  -1.500   0.2811   0.00993   0.00437  -0.1006   0.6840   0.6374
  -1.250   0.3096   0.00997   0.00436  -0.1009   0.6803   0.6416
  -1.000   0.3376   0.01001   0.00442  -0.1009   0.6764   0.6441
  -0.750   0.3661   0.01005   0.00445  -0.1011   0.6726   0.6464
  -0.500   0.3950   0.01010   0.00444  -0.1013   0.6693   0.6486
  -0.250   0.4234   0.01014   0.00445  -0.1016   0.6657   0.6510
   0.000   0.4516   0.01014   0.00444  -0.1018   0.6617   0.6538
   0.250   0.4803   0.01015   0.00439  -0.1021   0.6579   0.6564
   0.500   0.5089   0.01016   0.00436  -0.1024   0.6544   0.6581
   0.750   0.5369   0.01021   0.00443  -0.1025   0.6508   0.6599
   1.000   0.5646   0.01026   0.00452  -0.1025   0.6466   0.6622
   1.250   0.5927   0.01032   0.00457  -0.1026   0.6426   0.6650
   1.500   0.6214   0.01039   0.00459  -0.1029   0.6390   0.6678
   1.750   0.6493   0.01041   0.00462  -0.1031   0.6350   0.6701
   2.000   0.6772   0.01042   0.00462  -0.1033   0.6305   0.6721
   2.250   0.7050   0.01042   0.00463  -0.1034   0.6264   0.6736
   2.500   0.7333   0.01049   0.00468  -0.1036   0.6224   0.6751
   2.750   0.7602   0.01050   0.00475  -0.1036   0.6176   0.6765
   3.000   0.7877   0.01052   0.00480  -0.1037   0.6130   0.6781
   3.250   0.8160   0.01060   0.00484  -0.1039   0.6088   0.6801
   3.500   0.8427   0.01064   0.00493  -0.1038   0.6038   0.6822
   3.750   0.8696   0.01065   0.00495  -0.1038   0.5978   0.6843
   4.000   0.8964   0.01069   0.00496  -0.1038   0.5909   0.6862
   4.250   0.9222   0.01067   0.00497  -0.1035   0.5832   0.6878
   4.500   0.9488   0.01072   0.00503  -0.1034   0.5773   0.6892
   4.750   0.9743   0.01075   0.00514  -0.1031   0.5704   0.6908
   5.000   1.0005   0.01084   0.00521  -0.1029   0.5640   0.6926
   5.250   1.0258   0.01089   0.00535  -0.1026   0.5568   0.6945
   5.500   1.0514   0.01099   0.00544  -0.1023   0.5500   0.6965
   5.750   1.0764   0.01105   0.00556  -0.1019   0.5418   0.6986
   6.000   1.1003   0.01116   0.00564  -0.1013   0.5318   0.7007
   6.250   1.1230   0.01127   0.00573  -0.1005   0.5195   0.7025
   6.500   1.1455   0.01136   0.00588  -0.0997   0.5073   0.7041
   6.750   1.1676   0.01150   0.00605  -0.0988   0.4957   0.7058
   7.000   1.1889   0.01168   0.00625  -0.0977   0.4836   0.7078
   7.250   1.2090   0.01190   0.00647  -0.0964   0.4708   0.7100
   7.500   1.2279   0.01215   0.00671  -0.0950   0.4566   0.7123
   7.750   1.2457   0.01242   0.00697  -0.0933   0.4423   0.7146
   8.000   1.2612   0.01274   0.00725  -0.0913   0.4263   0.7168
   8.250   1.2732   0.01302   0.00754  -0.0885   0.4105   0.7186
   8.500   1.2836   0.01340   0.00790  -0.0856   0.3935   0.7205
   8.750   1.2920   0.01390   0.00838  -0.0824   0.3740   0.7226
   9.000   1.2972   0.01455   0.00896  -0.0788   0.3497   0.7249
   9.250   1.2978   0.01543   0.00972  -0.0748   0.3204   0.7276
   9.500   1.2953   0.01655   0.01068  -0.0706   0.2893   0.7303
   9.750   1.2911   0.01785   0.01183  -0.0665   0.2590   0.7327
  10.000   1.2870   0.01929   0.01313  -0.0627   0.2305   0.7348
  10.250   1.2860   0.02071   0.01445  -0.0596   0.2078   0.7370
  10.500   1.2852   0.02224   0.01588  -0.0568   0.1840   0.7394
  10.750   1.2853   0.02383   0.01738  -0.0543   0.1618   0.7419
  11.000   1.2868   0.02542   0.01890  -0.0521   0.1427   0.7445
  11.250   1.2860   0.02724   0.02059  -0.0499   0.1221   0.7468
  11.500   1.2887   0.02885   0.02218  -0.0481   0.1079   0.7490
  11.750   1.2912   0.03054   0.02385  -0.0464   0.0955   0.7514
  12.000   1.2936   0.03232   0.02559  -0.0448   0.0844   0.7541
  12.250   1.2968   0.03411   0.02736  -0.0435   0.0757   0.7570
  12.500   1.3036   0.03568   0.02896  -0.0424   0.0696   0.7597
  12.750   1.3071   0.03756   0.03084  -0.0413   0.0635   0.7621
  13.000   1.3149   0.03910   0.03247  -0.0405   0.0590   0.7647
  13.250   1.3199   0.04096   0.03434  -0.0396   0.0538   0.7673
  13.500   1.3264   0.04273   0.03616  -0.0389   0.0487   0.7702
  13.750   1.3305   0.04479   0.03821  -0.0382   0.0427   0.7730
  14.000   1.3324   0.04712   0.04050  -0.0376   0.0334   0.7757
  14.250   1.3266   0.05027   0.04357  -0.0368   0.0198   0.7782
  14.500   1.3230   0.05333   0.04663  -0.0362   0.0139   0.7811
  14.750   1.3213   0.05633   0.04967  -0.0358   0.0116   0.7841
  15.000   1.3241   0.05891   0.05235  -0.0356   0.0108   0.7875
  15.250   1.3250   0.06177   0.05530  -0.0356   0.0100   0.7906
  15.500   1.3260   0.06466   0.05830  -0.0356   0.0095   0.7938
  15.750   1.3214   0.06836   0.06213  -0.0358   0.0088   0.7970
  16.250   1.3210   0.07498   0.06896  -0.0367   0.0084   0.8041
  16.500   1.3210   0.07834   0.07246  -0.0372   0.0081   0.8081
  16.750   1.3199   0.08191   0.07616  -0.0379   0.0079   0.8127
  17.000   1.3176   0.08575   0.08013  -0.0388   0.0077   0.8179
  17.250   1.3152   0.08969   0.08421  -0.0399   0.0076   0.8247
  17.500   1.3123   0.09385   0.08852  -0.0412   0.0075   0.8337
  17.750   1.3100   0.09819   0.09307  -0.0429   0.0073   0.8581
  18.000   1.3107   0.10299   0.09811  -0.0460   0.0072   1.0000
  18.250   1.3055   0.10758   0.10279  -0.0476   0.0070   1.0000
  18.500   1.3003   0.11225   0.10754  -0.0493   0.0069   1.0000
  18.750   1.2957   0.11685   0.11223  -0.0511   0.0069   1.0000
  19.000   1.2909   0.12150   0.11698  -0.0531   0.0068   1.0000
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