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NACA 65(4)-421 a=0.5 (naca654421a05-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 a=0.5 (naca654421a05-il)
Reynolds number: 500,000
Max Cl/Cd: 92.53 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421a05-il-500000-n5.txt
Download as CSV file: xf-naca654421a05-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421 a=0.5                            
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -0.8571   0.08708   0.08264  -0.0781   0.8349   0.0213
 -19.250  -0.8619   0.08282   0.07825  -0.0805   0.8294   0.0214
 -19.000  -0.8652   0.07883   0.07414  -0.0827   0.8240   0.0216
 -18.750  -0.8687   0.07500   0.07019  -0.0846   0.8183   0.0217
 -18.500  -0.8711   0.07146   0.06650  -0.0862   0.8126   0.0219
 -18.250  -0.8721   0.06813   0.06306  -0.0877   0.8073   0.0221
 -18.000  -0.8720   0.06507   0.05987  -0.0891   0.8016   0.0224
 -17.750  -0.8719   0.06213   0.05680  -0.0901   0.7960   0.0225
 -17.500  -0.8706   0.05940   0.05393  -0.0911   0.7909   0.0228
 -17.250  -0.8685   0.05681   0.05120  -0.0919   0.7859   0.0230
 -17.000  -0.8654   0.05442   0.04869  -0.0925   0.7807   0.0232
 -16.750  -0.8618   0.05216   0.04628  -0.0930   0.7759   0.0235
 -16.500  -0.8566   0.05011   0.04410  -0.0933   0.7715   0.0236
 -16.250  -0.8512   0.04811   0.04198  -0.0936   0.7669   0.0238
 -16.000  -0.8437   0.04636   0.04014  -0.0937   0.7622   0.0240
 -15.750  -0.8360   0.04472   0.03842  -0.0937   0.7575   0.0242
 -15.500  -0.8272   0.04319   0.03683  -0.0936   0.7532   0.0244
 -15.250  -0.8181   0.04169   0.03528  -0.0936   0.7487   0.0247
 -15.000  -0.8084   0.04029   0.03381  -0.0934   0.7441   0.0248
 -14.750  -0.7985   0.03897   0.03243  -0.0933   0.7395   0.0251
 -14.250  -0.7770   0.03648   0.02979  -0.0928   0.7319   0.0256
 -14.000  -0.7657   0.03530   0.02855  -0.0925   0.7281   0.0259
 -13.750  -0.7540   0.03418   0.02735  -0.0920   0.7241   0.0262
 -13.500  -0.7420   0.03312   0.02621  -0.0916   0.7204   0.0266
 -13.000  -0.7165   0.03112   0.02405  -0.0906   0.7137   0.0271
 -12.750  -0.7031   0.03017   0.02303  -0.0901   0.7100   0.0274
 -12.500  -0.6895   0.02927   0.02205  -0.0895   0.7063   0.0276
 -12.250  -0.6759   0.02839   0.02110  -0.0888   0.7026   0.0278
 -12.000  -0.6641   0.02741   0.02006  -0.0880   0.6993   0.0280
 -11.750  -0.6523   0.02643   0.01907  -0.0872   0.6964   0.0284
 -11.500  -0.6391   0.02556   0.01817  -0.0864   0.6933   0.0286
 -11.250  -0.6260   0.02471   0.01729  -0.0856   0.6902   0.0289
 -11.000  -0.6125   0.02391   0.01644  -0.0847   0.6871   0.0291
 -10.750  -0.5988   0.02315   0.01563  -0.0838   0.6842   0.0294
 -10.500  -0.5851   0.02241   0.01484  -0.0828   0.6815   0.0297
 -10.250  -0.5711   0.02169   0.01408  -0.0819   0.6790   0.0300
 -10.000  -0.5567   0.02100   0.01336  -0.0809   0.6764   0.0303
  -9.750  -0.5425   0.02033   0.01265  -0.0798   0.6736   0.0307
  -9.500  -0.5280   0.01969   0.01196  -0.0787   0.6706   0.0310
  -9.250  -0.5133   0.01909   0.01132  -0.0776   0.6679   0.0314
  -9.000  -0.4981   0.01855   0.01071  -0.0764   0.6652   0.0317
  -8.750  -0.4827   0.01804   0.01014  -0.0752   0.6628   0.0321
  -8.500  -0.4695   0.01743   0.00951  -0.0738   0.6608   0.0325
  -8.250  -0.4556   0.01687   0.00894  -0.0723   0.6586   0.0331
  -8.000  -0.4406   0.01639   0.00845  -0.0708   0.6563   0.0336
  -7.750  -0.4253   0.01597   0.00801  -0.0693   0.6540   0.0344
  -7.500  -0.4103   0.01562   0.00763  -0.0676   0.6518   0.0352
  -7.250  -0.3954   0.01535   0.00731  -0.0658   0.6497   0.0360
  -7.000  -0.3786   0.01511   0.00702  -0.0642   0.6476   0.0367
  -6.750  -0.3603   0.01481   0.00668  -0.0629   0.6455   0.0378
  -6.500  -0.3405   0.01452   0.00639  -0.0619   0.6436   0.0391
  -6.250  -0.3193   0.01426   0.00612  -0.0611   0.6416   0.0407
  -6.000  -0.2972   0.01402   0.00587  -0.0604   0.6396   0.0427
  -5.750  -0.2754   0.01375   0.00561  -0.0597   0.6377   0.0462
  -5.500  -0.2533   0.01348   0.00537  -0.0591   0.6358   0.0521
  -5.250  -0.2320   0.01316   0.00511  -0.0583   0.6340   0.0668
  -5.000  -0.2119   0.01274   0.00482  -0.0574   0.6322   0.0966
  -4.750  -0.1925   0.01227   0.00452  -0.0564   0.6305   0.1402
  -4.500  -0.1725   0.01180   0.00424  -0.0555   0.6288   0.1884
  -4.250  -0.1534   0.01125   0.00392  -0.0546   0.6270   0.2526
  -4.000  -0.1364   0.01048   0.00355  -0.0533   0.6254   0.3452
  -3.750  -0.1190   0.00978   0.00330  -0.0521   0.6236   0.4507
  -3.500  -0.0939   0.00958   0.00326  -0.0518   0.6219   0.4988
  -3.250  -0.0670   0.00950   0.00325  -0.0518   0.6203   0.5261
  -3.000  -0.0393   0.00947   0.00324  -0.0520   0.6186   0.5455
  -2.750  -0.0115   0.00945   0.00325  -0.0521   0.6170   0.5626
  -2.500   0.0163   0.00947   0.00329  -0.0523   0.6154   0.5791
  -2.250   0.0447   0.00950   0.00329  -0.0525   0.6139   0.5902
  -2.000   0.0733   0.00951   0.00329  -0.0529   0.6124   0.5964
  -1.750   0.1022   0.00953   0.00326  -0.0533   0.6107   0.6001
  -1.500   0.1313   0.00956   0.00324  -0.0537   0.6092   0.6031
  -1.250   0.1604   0.00957   0.00323  -0.0542   0.6077   0.6056
  -1.000   0.1893   0.00956   0.00324  -0.0546   0.6062   0.6082
  -0.750   0.2181   0.00956   0.00325  -0.0550   0.6047   0.6112
  -0.500   0.2469   0.00957   0.00327  -0.0554   0.6032   0.6143
  -0.250   0.2757   0.00959   0.00329  -0.0558   0.6017   0.6173
   0.000   0.3046   0.00962   0.00330  -0.0563   0.6002   0.6203
   0.250   0.3335   0.00965   0.00331  -0.0567   0.5985   0.6233
   0.500   0.3623   0.00968   0.00332  -0.0571   0.5969   0.6261
   0.750   0.3910   0.00970   0.00335  -0.0575   0.5954   0.6292
   1.000   0.4197   0.00974   0.00339  -0.0579   0.5940   0.6327
   1.250   0.4486   0.00980   0.00344  -0.0584   0.5926   0.6362
   1.500   0.4770   0.00984   0.00351  -0.0588   0.5913   0.6396
   1.750   0.5054   0.00989   0.00358  -0.0592   0.5898   0.6429
   2.000   0.5336   0.00993   0.00366  -0.0595   0.5881   0.6460
   2.250   0.5616   0.00996   0.00374  -0.0598   0.5864   0.6494
   2.500   0.5897   0.01001   0.00382  -0.0602   0.5848   0.6531
   2.750   0.6178   0.01007   0.00391  -0.0605   0.5832   0.6572
   3.000   0.6460   0.01013   0.00399  -0.0608   0.5816   0.6614
   3.250   0.6741   0.01018   0.00406  -0.0612   0.5800   0.6654
   3.500   0.7021   0.01023   0.00414  -0.0615   0.5783   0.6695
   3.750   0.7304   0.01031   0.00424  -0.0619   0.5769   0.6738
   4.000   0.7585   0.01040   0.00436  -0.0622   0.5753   0.6782
   4.250   0.7853   0.01048   0.00450  -0.0624   0.5736   0.6825
   4.500   0.8118   0.01054   0.00465  -0.0625   0.5716   0.6868
   4.750   0.8383   0.01061   0.00479  -0.0625   0.5695   0.6915
   5.000   0.8648   0.01069   0.00492  -0.0626   0.5672   0.6966
   5.250   0.8913   0.01076   0.00503  -0.0627   0.5647   0.7019
   5.500   0.9177   0.01080   0.00513  -0.0627   0.5620   0.7071
   5.750   0.9442   0.01087   0.00522  -0.0628   0.5587   0.7128
   6.000   0.9664   0.01095   0.00540  -0.0621   0.5542   0.7187
   6.250   0.9890   0.01101   0.00552  -0.0614   0.5492   0.7240
   6.500   1.0118   0.01105   0.00557  -0.0607   0.5434   0.7298
   6.750   1.0292   0.01114   0.00577  -0.0592   0.5352   0.7363
   7.250   1.0539   0.01139   0.00610  -0.0541   0.5168   0.7495
   7.500   1.0613   0.01169   0.00642  -0.0508   0.5057   0.7576
   7.750   1.0649   0.01215   0.00689  -0.0471   0.4898   0.7658
   8.000   1.0659   0.01279   0.00751  -0.0432   0.4706   0.7749
   8.250   1.0598   0.01379   0.00844  -0.0386   0.4469   0.7844
   8.500   1.0507   0.01506   0.00965  -0.0338   0.4198   0.7949
   8.750   1.0307   0.01697   0.01143  -0.0281   0.3862   0.8063
   9.000   1.0125   0.01903   0.01338  -0.0230   0.3553   0.8193
   9.250   0.9959   0.02116   0.01544  -0.0185   0.3261   0.8331
   9.500   0.9857   0.02311   0.01733  -0.0149   0.3020   0.8480
   9.750   0.9688   0.02555   0.01968  -0.0108   0.2696   0.8662
  10.000   0.9597   0.02768   0.02175  -0.0078   0.2418   0.8889
  10.250   0.9590   0.02969   0.02373  -0.0062   0.2170   0.9202
  10.500   0.9742   0.03243   0.02636  -0.0092   0.1812   0.9542
  11.000   0.9831   0.03636   0.03008  -0.0080   0.1383   1.0000
  11.250   0.9850   0.03831   0.03192  -0.0068   0.1180   1.0000
  11.500   0.9882   0.04018   0.03368  -0.0057   0.0990   1.0000
  11.750   0.9898   0.04224   0.03562  -0.0046   0.0790   1.0000
  12.000   0.9936   0.04416   0.03744  -0.0037   0.0631   1.0000
  12.250   0.9983   0.04603   0.03922  -0.0029   0.0487   1.0000
  12.500   1.0033   0.04794   0.04107  -0.0022   0.0381   1.0000
  13.000   1.0210   0.05118   0.04429  -0.0013   0.0296   1.0000
  13.250   1.0301   0.05283   0.04596  -0.0010   0.0274   1.0000
  13.500   1.0401   0.05441   0.04755  -0.0007   0.0257   1.0000
  13.750   1.0491   0.05609   0.04924  -0.0004   0.0239   1.0000
  14.000   1.0589   0.05774   0.05093  -0.0002   0.0230   1.0000
  14.250   1.0679   0.05949   0.05271   0.0000   0.0220   1.0000
  14.500   1.0761   0.06132   0.05456   0.0002   0.0211   1.0000
  14.750   1.0851   0.06310   0.05638   0.0003   0.0205   1.0000
  15.000   1.0938   0.06494   0.05827   0.0004   0.0196   1.0000
  15.250   1.1023   0.06681   0.06018   0.0004   0.0189   1.0000
  15.500   1.1101   0.06878   0.06220   0.0004   0.0187   1.0000
  15.750   1.1162   0.07098   0.06442   0.0004   0.0180   1.0000
  16.000   1.1225   0.07316   0.06664   0.0003   0.0177   1.0000
  16.250   1.1294   0.07532   0.06886   0.0002   0.0174   1.0000
  16.500   1.1361   0.07752   0.07112   0.0000   0.0169   1.0000
  16.750   1.1422   0.07981   0.07347  -0.0002   0.0168   1.0000
  17.000   1.1479   0.08219   0.07591  -0.0005   0.0165   1.0000
  17.250   1.1535   0.08461   0.07839  -0.0009   0.0161   1.0000
  17.500   1.1578   0.08720   0.08103  -0.0013   0.0158   1.0000
  17.750   1.1621   0.08982   0.08372  -0.0018   0.0157   1.0000
  18.000   1.1660   0.09251   0.08646  -0.0023   0.0154   1.0000
  18.250   1.1678   0.09551   0.08951  -0.0030   0.0152   1.0000
  18.500   1.1701   0.09849   0.09254  -0.0037   0.0149   1.0000
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