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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 1,000,000
Max Cl/Cd: 115.81 at α=5.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4418-il-1000000.txt
Download as CSV file: xf-naca4418-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.9652   0.08741   0.08391  -0.0808   1.0000   0.0331
 -19.000  -0.9780   0.08219   0.07861  -0.0836   1.0000   0.0333
 -18.750  -0.9921   0.07693   0.07325  -0.0865   1.0000   0.0334
 -18.500  -1.0076   0.07164   0.06787  -0.0893   1.0000   0.0335
 -18.250  -1.0249   0.06631   0.06245  -0.0921   1.0000   0.0336
 -18.000  -1.0483   0.06043   0.05648  -0.0951   1.0000   0.0337
 -17.750  -1.0720   0.05448   0.05044  -0.0981   1.0000   0.0339
 -17.500  -1.0954   0.04857   0.04441  -0.1010   1.0000   0.0340
 -17.250  -1.1167   0.04320   0.03893  -0.1034   1.0000   0.0341
 -17.000  -1.1361   0.03859   0.03422  -0.1049   1.0000   0.0343
 -16.750  -1.1554   0.03485   0.03038  -0.1050   1.0000   0.0344
 -16.500  -1.1769   0.03194   0.02738  -0.1033   1.0000   0.0345
 -16.250  -1.1970   0.02965   0.02501  -0.1007   0.9998   0.0346
 -16.000  -1.1824   0.02744   0.02273  -0.1033   0.9979   0.0350
 -15.750  -1.1647   0.02577   0.02099  -0.1052   0.9958   0.0354
 -15.500  -1.1441   0.02445   0.01960  -0.1068   0.9940   0.0358
 -15.250  -1.1207   0.02336   0.01844  -0.1083   0.9927   0.0363
 -15.000  -1.1023   0.02245   0.01747  -0.1083   0.9892   0.0368
 -14.750  -1.0797   0.02165   0.01660  -0.1088   0.9863   0.0372
 -14.500  -1.0543   0.02085   0.01574  -0.1096   0.9841   0.0376
 -14.250  -1.0291   0.01975   0.01460  -0.1108   0.9825   0.0384
 -14.000  -1.0002   0.01893   0.01376  -0.1121   0.9814   0.0392
 -13.750  -0.9757   0.01830   0.01310  -0.1123   0.9784   0.0399
 -13.500  -0.9525   0.01775   0.01251  -0.1120   0.9743   0.0406
 -13.250  -0.9254   0.01723   0.01193  -0.1123   0.9714   0.0414
 -13.000  -0.8991   0.01665   0.01131  -0.1126   0.9686   0.0422
 -12.750  -0.8787   0.01607   0.01073  -0.1116   0.9638   0.0434
 -12.500  -0.8565   0.01561   0.01024  -0.1108   0.9587   0.0446
 -12.250  -0.8320   0.01520   0.00979  -0.1104   0.9546   0.0458
 -12.000  -0.8097   0.01475   0.00932  -0.1095   0.9495   0.0473
 -11.750  -0.7876   0.01432   0.00888  -0.1086   0.9435   0.0490
 -11.500  -0.7629   0.01397   0.00849  -0.1080   0.9385   0.0509
 -11.250  -0.7396   0.01357   0.00809  -0.1073   0.9326   0.0531
 -11.000  -0.7152   0.01326   0.00776  -0.1067   0.9264   0.0556
 -10.750  -0.6897   0.01292   0.00740  -0.1063   0.9210   0.0582
 -10.500  -0.6644   0.01266   0.00713  -0.1058   0.9149   0.0610
 -10.250  -0.6387   0.01239   0.00684  -0.1054   0.9085   0.0636
 -10.000  -0.6121   0.01214   0.00657  -0.1051   0.9025   0.0664
  -9.750  -0.5854   0.01197   0.00638  -0.1048   0.8959   0.0688
  -9.500  -0.5594   0.01169   0.00610  -0.1045   0.8890   0.0715
  -9.250  -0.5321   0.01152   0.00589  -0.1043   0.8825   0.0740
  -9.000  -0.5051   0.01134   0.00568  -0.1040   0.8752   0.0759
  -8.750  -0.4786   0.01110   0.00542  -0.1037   0.8679   0.0785
  -8.500  -0.4513   0.01093   0.00523  -0.1035   0.8607   0.0807
  -8.250  -0.4236   0.01081   0.00506  -0.1034   0.8530   0.0825
  -8.000  -0.3969   0.01058   0.00480  -0.1031   0.8454   0.0851
  -7.750  -0.3697   0.01040   0.00462  -0.1029   0.8374   0.0875
  -7.500  -0.3421   0.01029   0.00445  -0.1027   0.8293   0.0897
  -7.250  -0.3146   0.01014   0.00427  -0.1026   0.8215   0.0920
  -7.000  -0.2876   0.00995   0.00407  -0.1023   0.8129   0.0949
  -6.750  -0.2600   0.00982   0.00391  -0.1021   0.8050   0.0975
  -6.500  -0.2321   0.00972   0.00377  -0.1020   0.7963   0.0996
  -6.250  -0.2051   0.00955   0.00357  -0.1017   0.7875   0.1032
  -6.000  -0.1775   0.00940   0.00343  -0.1016   0.7789   0.1068
  -5.750  -0.1500   0.00932   0.00329  -0.1014   0.7697   0.1103
  -5.500  -0.1226   0.00914   0.00314  -0.1012   0.7610   0.1164
  -5.250  -0.0953   0.00904   0.00301  -0.1010   0.7512   0.1223
  -5.000  -0.0678   0.00889   0.00288  -0.1009   0.7424   0.1302
  -4.750  -0.0407   0.00876   0.00276  -0.1006   0.7324   0.1408
  -4.500  -0.0133   0.00864   0.00267  -0.1004   0.7230   0.1536
  -4.250   0.0139   0.00855   0.00259  -0.1002   0.7125   0.1667
  -4.000   0.0416   0.00847   0.00252  -0.1001   0.7031   0.1782
  -3.750   0.0692   0.00845   0.00247  -0.0999   0.6925   0.1868
  -3.500   0.0968   0.00837   0.00240  -0.0997   0.6825   0.1961
  -3.250   0.1243   0.00837   0.00236  -0.0995   0.6717   0.2029
  -3.000   0.1521   0.00831   0.00230  -0.0994   0.6620   0.2116
  -2.750   0.1791   0.00830   0.00226  -0.0991   0.6510   0.2195
  -2.500   0.2070   0.00825   0.00222  -0.0990   0.6411   0.2287
  -2.000   0.2617   0.00819   0.00217  -0.0986   0.6212   0.2533
  -1.500   0.3164   0.00815   0.00217  -0.0982   0.6015   0.2858
  -1.250   0.3434   0.00819   0.00218  -0.0980   0.5917   0.2988
  -1.000   0.3712   0.00815   0.00218  -0.0979   0.5832   0.3138
  -0.750   0.3982   0.00817   0.00219  -0.0976   0.5736   0.3270
  -0.500   0.4259   0.00818   0.00220  -0.0975   0.5656   0.3405
  -0.250   0.4531   0.00817   0.00222  -0.0973   0.5571   0.3570
   0.000   0.4799   0.00817   0.00225  -0.0970   0.5489   0.3778
   0.250   0.5071   0.00810   0.00228  -0.0969   0.5413   0.4124
   0.500   0.5329   0.00804   0.00233  -0.0965   0.5332   0.4614
   0.750   0.5599   0.00795   0.00238  -0.0963   0.5265   0.5126
   1.000   0.5866   0.00790   0.00244  -0.0960   0.5191   0.5565
   1.250   0.6124   0.00792   0.00252  -0.0956   0.5115   0.5942
   1.500   0.6399   0.00787   0.00258  -0.0955   0.5054   0.6309
   1.750   0.6662   0.00787   0.00266  -0.0951   0.4984   0.6697
   2.000   0.6917   0.00788   0.00276  -0.0946   0.4914   0.7121
   2.250   0.7183   0.00783   0.00285  -0.0942   0.4854   0.7546
   2.500   0.7436   0.00785   0.00295  -0.0936   0.4784   0.7943
   2.750   0.7681   0.00787   0.00307  -0.0928   0.4714   0.8354
   3.000   0.7922   0.00786   0.00319  -0.0918   0.4644   0.8824
   3.250   0.8141   0.00797   0.00333  -0.0903   0.4562   0.9240
   3.500   0.8400   0.00806   0.00345  -0.0897   0.4496   0.9529
   3.750   0.8721   0.00820   0.00358  -0.0905   0.4427   0.9755
   4.000   0.9080   0.00842   0.00374  -0.0923   0.4348   0.9886
   4.250   0.9461   0.00855   0.00386  -0.0945   0.4286   0.9944
   4.500   0.9838   0.00874   0.00400  -0.0968   0.4211   0.9984
   4.750   1.0098   0.00890   0.00412  -0.0965   0.4145   1.0000
   5.000   1.0296   0.00899   0.00420  -0.0949   0.4086   1.0000
   5.250   1.0484   0.00914   0.00432  -0.0931   0.4017   1.0000
   5.500   1.0691   0.00929   0.00444  -0.0917   0.3956   1.0000
   5.750   1.0909   0.00942   0.00456  -0.0905   0.3893   1.0000
   6.000   1.1100   0.00962   0.00472  -0.0888   0.3820   1.0000
   6.250   1.1316   0.00978   0.00487  -0.0876   0.3757   1.0000
   6.500   1.1527   0.00998   0.00504  -0.0863   0.3674   1.0000
   6.750   1.1735   0.01022   0.00524  -0.0851   0.3586   1.0000
   7.000   1.1951   0.01045   0.00544  -0.0840   0.3498   1.0000
   7.250   1.2158   0.01072   0.00568  -0.0828   0.3414   1.0000
   7.500   1.2370   0.01099   0.00592  -0.0817   0.3314   1.0000
   7.750   1.2573   0.01130   0.00619  -0.0805   0.3207   1.0000
   8.000   1.2757   0.01170   0.00652  -0.0790   0.3080   1.0000
   8.250   1.2956   0.01206   0.00683  -0.0778   0.2961   1.0000
   8.500   1.3151   0.01243   0.00716  -0.0765   0.2860   1.0000
   8.750   1.3329   0.01289   0.00757  -0.0750   0.2752   1.0000
   9.000   1.3524   0.01329   0.00793  -0.0739   0.2649   1.0000
   9.250   1.3697   0.01378   0.00838  -0.0724   0.2543   1.0000
   9.500   1.3857   0.01436   0.00889  -0.0708   0.2424   1.0000
   9.750   1.4032   0.01486   0.00937  -0.0694   0.2322   1.0000
  10.000   1.4191   0.01546   0.00993  -0.0679   0.2219   1.0000
  10.250   1.4332   0.01616   0.01057  -0.0661   0.2111   1.0000
  10.500   1.4491   0.01679   0.01117  -0.0647   0.2017   1.0000
  10.750   1.4633   0.01752   0.01187  -0.0631   0.1927   1.0000
  11.000   1.4761   0.01834   0.01265  -0.0614   0.1834   1.0000
  11.250   1.4905   0.01909   0.01339  -0.0599   0.1754   1.0000
  11.500   1.5021   0.02003   0.01429  -0.0582   0.1671   1.0000
  11.750   1.5151   0.02091   0.01516  -0.0568   0.1597   1.0000
  12.000   1.5265   0.02190   0.01613  -0.0552   0.1525   1.0000
  12.250   1.5375   0.02295   0.01717  -0.0537   0.1454   1.0000
  12.500   1.5484   0.02405   0.01826  -0.0522   0.1387   1.0000
  12.750   1.5569   0.02532   0.01951  -0.0506   0.1313   1.0000
  13.000   1.5664   0.02656   0.02075  -0.0492   0.1246   1.0000
  13.250   1.5732   0.02804   0.02221  -0.0477   0.1175   1.0000
  13.500   1.5797   0.02960   0.02376  -0.0463   0.1103   1.0000
  13.750   1.5857   0.03125   0.02540  -0.0449   0.1037   1.0000
  14.000   1.5894   0.03313   0.02727  -0.0436   0.0974   1.0000
  14.250   1.5929   0.03509   0.02923  -0.0423   0.0913   1.0000
  14.500   1.5970   0.03707   0.03121  -0.0412   0.0861   1.0000
  14.750   1.5980   0.03937   0.03352  -0.0400   0.0811   1.0000
  15.000   1.6005   0.04160   0.03577  -0.0391   0.0767   1.0000
  15.250   1.6014   0.04404   0.03823  -0.0382   0.0726   1.0000
  15.500   1.6021   0.04655   0.04077  -0.0375   0.0689   1.0000
  15.750   1.6028   0.04913   0.04337  -0.0368   0.0656   1.0000
  16.000   1.6019   0.05190   0.04618  -0.0362   0.0625   1.0000
  16.250   1.6001   0.05482   0.04914  -0.0357   0.0598   1.0000
  16.500   1.5994   0.05771   0.05207  -0.0354   0.0574   1.0000
  16.750   1.5954   0.06098   0.05538  -0.0351   0.0553   1.0000
  17.000   1.5948   0.06390   0.05836  -0.0348   0.0536   1.0000
  17.250   1.5920   0.06712   0.06164  -0.0348   0.0521   1.0000
  17.500   1.5870   0.07067   0.06524  -0.0347   0.0506   1.0000
  17.750   1.5805   0.07442   0.06904  -0.0348   0.0492   1.0000
  18.000   1.5797   0.07750   0.07220  -0.0349   0.0483   1.0000
  18.250   1.5756   0.08103   0.07580  -0.0352   0.0473   1.0000
  18.500   1.5709   0.08466   0.07948  -0.0355   0.0463   1.0000
  18.750   1.5644   0.08856   0.08344  -0.0360   0.0455   1.0000
  19.000   1.5550   0.09291   0.08785  -0.0366   0.0447   1.0000
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