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NACA 66-018 (naca66-018-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-018 (naca66-018-il)
Reynolds number: 500,000
Max Cl/Cd: 50.69 at α=4°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca66-018-il-500000-n5.txt
Download as CSV file: xf-naca66-018-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-018                                     
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.9310   0.10972   0.10619  -0.0469   1.0000   0.0129
 -19.500  -0.9498   0.10242   0.09871  -0.0509   1.0000   0.0129
 -19.250  -0.9651   0.09600   0.09213  -0.0542   1.0000   0.0130
 -19.000  -0.9766   0.09041   0.08638  -0.0569   1.0000   0.0131
 -18.750  -0.9882   0.08505   0.08086  -0.0593   1.0000   0.0131
 -18.500  -0.9968   0.08031   0.07598  -0.0612   1.0000   0.0131
 -18.250  -1.0027   0.07611   0.07164  -0.0627   1.0000   0.0132
 -18.000  -1.0081   0.07209   0.06747  -0.0641   1.0000   0.0133
 -17.750  -1.0155   0.06868   0.06394  -0.0638   0.9911   0.0133
 -17.500  -1.0090   0.06491   0.05999  -0.0672   0.9601   0.0135
 -17.250  -1.0002   0.06120   0.05608  -0.0705   0.9510   0.0136
 -17.000  -0.9892   0.05802   0.05272  -0.0735   0.9413   0.0137
 -16.750  -0.9792   0.05529   0.04983  -0.0754   0.9311   0.0137
 -16.500  -0.9746   0.05275   0.04714  -0.0761   0.9196   0.0140
 -16.250  -0.9702   0.05057   0.04485  -0.0760   0.9089   0.0141
 -16.000  -0.9646   0.04866   0.04281  -0.0758   0.8991   0.0141
 -15.750  -0.9588   0.04687   0.04091  -0.0753   0.8896   0.0142
 -15.500  -0.9522   0.04522   0.03918  -0.0748   0.8819   0.0144
 -15.250  -0.9452   0.04364   0.03749  -0.0742   0.8749   0.0146
 -14.750  -0.9288   0.04072   0.03438  -0.0729   0.8630   0.0149
 -14.500  -0.9194   0.03941   0.03298  -0.0722   0.8575   0.0151
 -14.250  -0.9105   0.03808   0.03154  -0.0713   0.8525   0.0153
 -14.000  -0.8995   0.03691   0.03030  -0.0706   0.8482   0.0155
 -13.750  -0.8887   0.03575   0.02906  -0.0699   0.8436   0.0158
 -13.500  -0.8770   0.03469   0.02791  -0.0691   0.8392   0.0161
 -13.250  -0.8656   0.03361   0.02673  -0.0682   0.8353   0.0163
 -13.000  -0.8535   0.03260   0.02563  -0.0673   0.8317   0.0166
 -12.750  -0.8409   0.03162   0.02457  -0.0665   0.8279   0.0169
 -12.500  -0.8302   0.03054   0.02343  -0.0654   0.8241   0.0170
 -12.250  -0.8192   0.02952   0.02236  -0.0643   0.8206   0.0174
 -12.000  -0.8069   0.02861   0.02139  -0.0632   0.8173   0.0177
 -11.750  -0.7930   0.02780   0.02054  -0.0623   0.8144   0.0179
 -11.500  -0.7789   0.02701   0.01970  -0.0614   0.8112   0.0183
 -11.250  -0.7653   0.02620   0.01885  -0.0603   0.8080   0.0186
 -11.000  -0.7501   0.02552   0.01810  -0.0594   0.8050   0.0192
 -10.750  -0.7358   0.02480   0.01732  -0.0583   0.8020   0.0196
 -10.250  -0.7059   0.02346   0.01587  -0.0562   0.7966   0.0205
 -10.000  -0.6915   0.02275   0.01515  -0.0551   0.7938   0.0212
  -9.750  -0.6754   0.02215   0.01453  -0.0541   0.7912   0.0221
  -9.500  -0.6593   0.02158   0.01392  -0.0531   0.7886   0.0230
  -9.250  -0.6426   0.02105   0.01334  -0.0521   0.7863   0.0237
  -9.000  -0.6260   0.02052   0.01275  -0.0510   0.7841   0.0245
  -8.750  -0.6104   0.01995   0.01217  -0.0498   0.7820   0.0259
  -8.500  -0.5934   0.01944   0.01164  -0.0488   0.7801   0.0271
  -8.250  -0.5755   0.01898   0.01116  -0.0479   0.7780   0.0282
  -8.000  -0.5586   0.01848   0.01065  -0.0468   0.7759   0.0300
  -7.750  -0.5414   0.01801   0.01017  -0.0457   0.7738   0.0321
  -7.500  -0.5234   0.01759   0.00973  -0.0447   0.7719   0.0344
  -7.250  -0.5062   0.01714   0.00928  -0.0436   0.7700   0.0375
  -7.000  -0.4893   0.01669   0.00884  -0.0424   0.7682   0.0429
  -6.750  -0.4731   0.01622   0.00840  -0.0410   0.7665   0.0515
  -6.500  -0.4584   0.01571   0.00794  -0.0395   0.7648   0.0674
  -6.250  -0.4463   0.01509   0.00745  -0.0375   0.7632   0.0938
  -6.000  -0.4372   0.01436   0.00693  -0.0351   0.7614   0.1335
  -5.750  -0.4305   0.01359   0.00639  -0.0322   0.7595   0.1810
  -5.500  -0.4254   0.01282   0.00584  -0.0290   0.7575   0.2300
  -5.250  -0.4228   0.01204   0.00528  -0.0252   0.7553   0.2809
  -5.000  -0.4240   0.01125   0.00471  -0.0206   0.7532   0.3335
  -4.750  -0.4292   0.01059   0.00425  -0.0149   0.7514   0.3831
  -4.500  -0.4352   0.01000   0.00388  -0.0088   0.7496   0.4402
  -4.250  -0.4381   0.00928   0.00347  -0.0033   0.7480   0.5116
  -4.000  -0.4390   0.00866   0.00337   0.0021   0.7465   0.6161
  -3.750  -0.4178   0.00868   0.00349   0.0034   0.7453   0.6607
  -3.500  -0.3931   0.00876   0.00356   0.0039   0.7441   0.6791
  -3.250  -0.3661   0.00884   0.00366   0.0039   0.7430   0.6891
  -3.000  -0.3407   0.00891   0.00365   0.0042   0.7418   0.6982
  -2.750  -0.3117   0.00901   0.00379   0.0039   0.7407   0.7045
  -2.500  -0.2841   0.00907   0.00383   0.0038   0.7396   0.7098
  -2.250  -0.2572   0.00909   0.00378   0.0037   0.7385   0.7136
  -2.000  -0.2285   0.00909   0.00376   0.0033   0.7375   0.7159
  -1.750  -0.1995   0.00911   0.00379   0.0029   0.7365   0.7183
  -1.500  -0.1706   0.00915   0.00382   0.0025   0.7354   0.7210
  -1.250  -0.1421   0.00917   0.00382   0.0021   0.7343   0.7236
  -1.000  -0.1137   0.00917   0.00379   0.0017   0.7334   0.7254
  -0.750  -0.0852   0.00916   0.00375   0.0013   0.7325   0.7267
  -0.500  -0.0567   0.00915   0.00372   0.0008   0.7317   0.7280
  -0.250  -0.0282   0.00916   0.00369   0.0004   0.7308   0.7291
   0.000   0.0001   0.00916   0.00368   0.0000   0.7300   0.7300
   0.250   0.0282   0.00916   0.00369  -0.0004   0.7291   0.7309
   0.500   0.0568   0.00916   0.00371  -0.0009   0.7281   0.7317
   0.750   0.0852   0.00916   0.00374  -0.0013   0.7268   0.7326
   1.000   0.1137   0.00917   0.00378  -0.0017   0.7254   0.7334
   1.250   0.1421   0.00917   0.00381  -0.0021   0.7236   0.7343
   1.500   0.1706   0.00915   0.00381  -0.0024   0.7210   0.7354
   1.750   0.1994   0.00911   0.00379  -0.0028   0.7182   0.7365
   2.000   0.2284   0.00908   0.00376  -0.0033   0.7158   0.7375
   2.250   0.2575   0.00909   0.00377  -0.0038   0.7137   0.7385
   2.500   0.2842   0.00907   0.00382  -0.0038   0.7098   0.7396
   2.750   0.3117   0.00901   0.00380  -0.0039   0.7045   0.7407
   3.000   0.3405   0.00891   0.00366  -0.0042   0.6981   0.7418
   3.250   0.3662   0.00884   0.00366  -0.0039   0.6891   0.7430
   3.500   0.3935   0.00876   0.00356  -0.0039   0.6798   0.7441
   3.750   0.4178   0.00868   0.00349  -0.0034   0.6609   0.7453
   4.000   0.4390   0.00866   0.00337  -0.0021   0.6150   0.7466
   4.250   0.4366   0.00932   0.00349   0.0036   0.5079   0.7481
   4.500   0.4349   0.01001   0.00389   0.0089   0.4393   0.7497
   4.750   0.4302   0.01057   0.00424   0.0147   0.3849   0.7514
   5.000   0.4232   0.01127   0.00472   0.0207   0.3315   0.7533
   5.250   0.4220   0.01207   0.00529   0.0254   0.2783   0.7552
   5.500   0.4248   0.01285   0.00585   0.0291   0.2278   0.7574
   5.750   0.4303   0.01361   0.00639   0.0323   0.1796   0.7595
   6.000   0.4376   0.01435   0.00692   0.0350   0.1339   0.7614
   6.250   0.4463   0.01509   0.00745   0.0375   0.0931   0.7632
   6.750   0.4733   0.01623   0.00840   0.0410   0.0511   0.7665
   7.000   0.4898   0.01668   0.00883   0.0423   0.0430   0.7682
   7.250   0.5067   0.01713   0.00927   0.0435   0.0380   0.7700
   7.500   0.5237   0.01759   0.00973   0.0447   0.0343   0.7719
   7.750   0.5417   0.01801   0.01017   0.0457   0.0320   0.7738
   8.000   0.5587   0.01849   0.01065   0.0468   0.0299   0.7759
   8.250   0.5758   0.01898   0.01115   0.0479   0.0283   0.7780
   8.500   0.5935   0.01945   0.01165   0.0488   0.0271   0.7801
   8.750   0.6108   0.01995   0.01216   0.0498   0.0258   0.7821
   9.000   0.6266   0.02050   0.01274   0.0509   0.0246   0.7842
   9.250   0.6430   0.02105   0.01333   0.0520   0.0237   0.7863
   9.500   0.6602   0.02155   0.01389   0.0530   0.0227   0.7887
   9.750   0.6766   0.02211   0.01448   0.0540   0.0218   0.7911
  10.000   0.6920   0.02274   0.01513   0.0550   0.0211   0.7938
  10.250   0.7072   0.02340   0.01582   0.0561   0.0206   0.7965
  10.500   0.7218   0.02411   0.01656   0.0571   0.0199   0.7992
  10.750   0.7363   0.02480   0.01732   0.0583   0.0197   0.8019
  11.000   0.7511   0.02548   0.01807   0.0593   0.0192   0.8048
  11.250   0.7653   0.02623   0.01888   0.0603   0.0188   0.8080
  11.500   0.7796   0.02699   0.01969   0.0613   0.0184   0.8113
  11.750   0.7935   0.02779   0.02053   0.0622   0.0180   0.8144
  12.000   0.8075   0.02861   0.02138   0.0631   0.0175   0.8174
  12.250   0.8201   0.02949   0.02233   0.0642   0.0172   0.8206
  12.500   0.8308   0.03054   0.02343   0.0653   0.0169   0.8242
  12.750   0.8421   0.03157   0.02452   0.0663   0.0167   0.8280
  13.000   0.8546   0.03256   0.02558   0.0672   0.0165   0.8318
  13.250   0.8661   0.03362   0.02672   0.0681   0.0164   0.8354
  13.500   0.8776   0.03469   0.02790   0.0690   0.0161   0.8393
  13.750   0.8890   0.03577   0.02908   0.0698   0.0157   0.8437
  14.000   0.8999   0.03693   0.03032   0.0706   0.0156   0.8483
  14.250   0.9107   0.03812   0.03159   0.0713   0.0153   0.8527
  14.500   0.9203   0.03939   0.03296   0.0721   0.0151   0.8576
  14.750   0.9295   0.04073   0.03439   0.0728   0.0149   0.8631
  15.250   0.9462   0.04361   0.03747   0.0741   0.0146   0.8750
  15.500   0.9538   0.04514   0.03909   0.0747   0.0144   0.8823
  15.750   0.9602   0.04680   0.04086   0.0752   0.0143   0.8902
  16.000   0.9657   0.04862   0.04277   0.0756   0.0140   0.8996
  16.250   0.9709   0.05057   0.04485   0.0759   0.0140   0.9095
  16.500   0.9770   0.05260   0.04700   0.0758   0.0139   0.9208
  16.750   0.9820   0.05514   0.04966   0.0752   0.0138   0.9321
  17.000   0.9917   0.05800   0.05269   0.0731   0.0136   0.9423
  17.250   1.0027   0.06122   0.05609   0.0701   0.0136   0.9518
  17.500   1.0134   0.06478   0.05984   0.0665   0.0135   0.9613
  17.750   1.0142   0.06836   0.06359   0.0647   0.0133   1.0000
  18.000   1.0111   0.07194   0.06730   0.0637   0.0132   1.0000
  18.250   1.0065   0.07582   0.07132   0.0625   0.0132   1.0000
  18.500   1.0003   0.08009   0.07573   0.0609   0.0131   1.0000
  18.750   0.9907   0.08497   0.08078   0.0589   0.0130   1.0000
  19.000   0.9811   0.09005   0.08601   0.0566   0.0130   1.0000
  19.250   0.9692   0.09568   0.09179   0.0539   0.0129   1.0000
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