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NN7 MK20 (nn7mk20-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NN7 MK20 (nn7mk20-il)
Reynolds number: 200,000
Max Cl/Cd: 70.22 at α=8.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-nn7mk20-il-200000.txt
Download as CSV file: xf-nn7mk20-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -12.000  -0.3211   0.11462   0.11126  -0.0592   1.0000   0.0577
 -11.750  -0.3487   0.10812   0.10490  -0.0643   1.0000   0.0602
 -11.500  -0.3880   0.09965   0.09654  -0.0717   0.9965   0.0607
 -11.250  -0.3716   0.09463   0.09156  -0.0724   0.9921   0.0620
 -11.000  -0.3394   0.09468   0.09159  -0.0711   0.9870   0.0638
 -10.750  -0.3218   0.09092   0.08781  -0.0749   0.9812   0.0669
 -10.500  -0.3291   0.08100   0.07791  -0.0852   0.9725   0.0694
 -10.250  -0.3575   0.06877   0.06552  -0.1000   0.9623   0.0702
 -10.000  -0.4448   0.04738   0.04292  -0.1164   0.9414   0.0369
  -9.750  -0.4461   0.04224   0.03738  -0.1179   0.9287   0.0345
  -9.500  -0.4469   0.03798   0.03258  -0.1176   0.9165   0.0332
  -9.250  -0.4352   0.03550   0.02978  -0.1173   0.9075   0.0336
  -9.000  -0.4241   0.03291   0.02681  -0.1162   0.8981   0.0336
  -8.750  -0.4107   0.03041   0.02391  -0.1148   0.8895   0.0333
  -8.500  -0.3907   0.02841   0.02162  -0.1140   0.8826   0.0335
  -8.250  -0.3701   0.02687   0.01989  -0.1132   0.8757   0.0343
  -8.000  -0.3478   0.02549   0.01833  -0.1124   0.8692   0.0356
  -7.750  -0.3235   0.02426   0.01690  -0.1118   0.8640   0.0374
  -7.500  -0.3027   0.02308   0.01559  -0.1106   0.8569   0.0399
  -7.250  -0.2808   0.02203   0.01459  -0.1100   0.8517   0.0438
  -7.000  -0.2601   0.02137   0.01385  -0.1090   0.8457   0.0478
  -6.750  -0.2421   0.02034   0.01282  -0.1075   0.8399   0.0520
  -6.500  -0.2202   0.01975   0.01218  -0.1070   0.8353   0.0581
  -6.250  -0.2039   0.01906   0.01151  -0.1057   0.8287   0.0640
  -6.000  -0.1832   0.01849   0.01091  -0.1050   0.8235   0.0713
  -5.750  -0.1621   0.01775   0.01016  -0.1045   0.8196   0.0822
  -5.500  -0.1445   0.01708   0.00955  -0.1035   0.8132   0.1015
  -5.250  -0.1345   0.01493   0.00832  -0.1029   0.8080   0.2660
  -5.000  -0.1186   0.01391   0.00839  -0.1015   0.8042   0.4936
  -4.750  -0.0945   0.01437   0.00889  -0.1005   0.7985   0.5486
  -4.500  -0.0669   0.01487   0.00932  -0.0999   0.7940   0.5742
  -4.250  -0.0380   0.01540   0.00969  -0.0995   0.7905   0.5945
  -4.000  -0.0121   0.01619   0.01043  -0.0984   0.7858   0.6105
  -3.750   0.0135   0.01737   0.01165  -0.0964   0.7809   0.6238
  -3.500   0.0406   0.01827   0.01251  -0.0948   0.7770   0.6320
  -3.250   0.0695   0.01850   0.01258  -0.0948   0.7739   0.6422
  -3.000   0.0917   0.01905   0.01317  -0.0930   0.7683   0.6461
  -2.750   0.1185   0.01921   0.01321  -0.0929   0.7638   0.6568
  -2.500   0.1451   0.01960   0.01356  -0.0916   0.7604   0.6604
  -2.250   0.1701   0.01988   0.01379  -0.0907   0.7563   0.6665
  -2.000   0.1939   0.01998   0.01384  -0.0902   0.7511   0.6741
  -1.750   0.2196   0.02016   0.01398  -0.0892   0.7472   0.6786
  -1.500   0.2502   0.02000   0.01367  -0.0904   0.7441   0.6865
  -1.250   0.2721   0.02006   0.01374  -0.0894   0.7389   0.6894
  -1.000   0.2966   0.02009   0.01374  -0.0887   0.7343   0.6927
  -0.750   0.3252   0.01998   0.01356  -0.0890   0.7307   0.6970
  -0.500   0.3560   0.01981   0.01326  -0.0904   0.7274   0.7027
  -0.250   0.3764   0.01988   0.01339  -0.0890   0.7216   0.7052
   0.000   0.4029   0.01982   0.01330  -0.0889   0.7176   0.7083
   0.250   0.4330   0.01969   0.01309  -0.0895   0.7144   0.7121
   0.500   0.4601   0.01970   0.01305  -0.0903   0.7094   0.7173
   0.750   0.4832   0.01967   0.01305  -0.0895   0.7045   0.7196
   1.000   0.5112   0.01956   0.01292  -0.0895   0.7009   0.7225
   1.250   0.5417   0.01946   0.01275  -0.0901   0.6979   0.7261
   1.500   0.5640   0.01959   0.01293  -0.0899   0.6915   0.7305
   1.750   0.5919   0.01949   0.01280  -0.0902   0.6873   0.7334
   2.000   0.6216   0.01933   0.01262  -0.0905   0.6841   0.7358
   2.250   0.6438   0.01943   0.01278  -0.0898   0.6784   0.7385
   2.500   0.6708   0.01941   0.01276  -0.0900   0.6734   0.7415
   2.750   0.7031   0.01927   0.01257  -0.0912   0.6699   0.7444
   3.000   0.7295   0.01933   0.01264  -0.0915   0.6647   0.7470
   3.250   0.7531   0.01930   0.01269  -0.0909   0.6591   0.7491
   3.500   0.7832   0.01916   0.01253  -0.0914   0.6553   0.7512
   3.750   0.8092   0.01920   0.01260  -0.0914   0.6502   0.7534
   4.000   0.8340   0.01925   0.01271  -0.0913   0.6442   0.7558
   4.250   0.8662   0.01913   0.01257  -0.0923   0.6401   0.7587
   4.500   0.8919   0.01922   0.01271  -0.0924   0.6342   0.7613
   4.750   0.9175   0.01909   0.01262  -0.0921   0.6278   0.7631
   5.000   0.9494   0.01879   0.01231  -0.0927   0.6223   0.7650
   5.250   0.9707   0.01876   0.01238  -0.0918   0.6137   0.7672
   5.500   1.0040   0.01854   0.01211  -0.0928   0.6087   0.7698
   5.750   1.0240   0.01867   0.01238  -0.0918   0.6004   0.7727
   6.000   1.0563   0.01853   0.01220  -0.0927   0.5947   0.7753
   6.250   1.0765   0.01856   0.01235  -0.0916   0.5866   0.7772
   6.500   1.1054   0.01839   0.01222  -0.0918   0.5802   0.7794
   6.750   1.1262   0.01845   0.01240  -0.0908   0.5718   0.7818
   7.000   1.1567   0.01821   0.01213  -0.0912   0.5639   0.7845
   7.250   1.1751   0.01814   0.01215  -0.0896   0.5518   0.7876
   7.500   1.1949   0.01803   0.01210  -0.0883   0.5393   0.7904
   7.750   1.2145   0.01796   0.01210  -0.0868   0.5279   0.7928
   8.000   1.2359   0.01794   0.01212  -0.0858   0.5170   0.7955
   8.250   1.2551   0.01798   0.01219  -0.0843   0.5047   0.7984
   8.500   1.2702   0.01811   0.01238  -0.0823   0.4909   0.8014
   8.750   1.2844   0.01829   0.01262  -0.0801   0.4764   0.8044
   9.000   1.2943   0.01846   0.01283  -0.0771   0.4614   0.8076
   9.250   1.3017   0.01873   0.01312  -0.0737   0.4458   0.8112
   9.500   1.3075   0.01918   0.01358  -0.0703   0.4288   0.8150
   9.750   1.3115   0.01978   0.01420  -0.0669   0.4098   0.8185
  10.000   1.3133   0.02045   0.01487  -0.0632   0.3897   0.8219
  10.250   1.3132   0.02133   0.01573  -0.0597   0.3677   0.8258
  10.500   1.3115   0.02247   0.01683  -0.0562   0.3435   0.8300
  10.750   1.3082   0.02385   0.01815  -0.0530   0.3175   0.8343
  11.000   1.3024   0.02556   0.01976  -0.0499   0.2901   0.8390
  11.250   1.2958   0.02757   0.02165  -0.0472   0.2640   0.8441
  11.500   1.2886   0.02982   0.02377  -0.0447   0.2392   0.8491
  11.750   1.2827   0.03217   0.02604  -0.0428   0.2137   0.8544
  12.000   1.2768   0.03469   0.02846  -0.0411   0.1898   0.8605
  12.250   1.2704   0.03741   0.03109  -0.0397   0.1675   0.8675
  12.500   1.2681   0.03999   0.03366  -0.0387   0.1476   0.8776
  12.750   1.2685   0.04273   0.03644  -0.0387   0.1304   0.9040
  13.000   1.2645   0.04505   0.03874  -0.0373   0.1191   1.0000
  13.250   1.2646   0.04771   0.04135  -0.0368   0.1088   1.0000
  13.500   1.2642   0.05047   0.04407  -0.0365   0.0998   1.0000
  13.750   1.2691   0.05280   0.04645  -0.0363   0.0915   1.0000
  14.000   1.2696   0.05560   0.04922  -0.0362   0.0853   1.0000
  14.250   1.2750   0.05796   0.05167  -0.0362   0.0789   1.0000
  14.500   1.2743   0.06098   0.05466  -0.0361   0.0736   1.0000
  14.750   1.2806   0.06338   0.05719  -0.0364   0.0672   1.0000
  15.000   1.2786   0.06670   0.06048  -0.0365   0.0619   1.0000
  15.250   1.2821   0.06956   0.06343  -0.0370   0.0535   1.0000
  15.500   1.2808   0.07302   0.06695  -0.0375   0.0447   1.0000
  15.750   1.2732   0.07740   0.07130  -0.0381   0.0356   1.0000
  16.000   1.2650   0.08194   0.07586  -0.0388   0.0306   1.0000
  16.250   1.2613   0.08596   0.07993  -0.0396   0.0274   1.0000
  16.500   1.2527   0.09067   0.08468  -0.0405   0.0251   1.0000
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