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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 50,000
Max Cl/Cd: 11.27 at α=14.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca644421-il-50000-n5.txt
Download as CSV file: xf-naca644421-il-50000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 64(4)-421                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.500  -0.5135   0.11254   0.10432  -0.0661   1.0000   0.0846
 -15.250  -0.5770   0.09720   0.08879  -0.0745   1.0000   0.0843
 -15.000  -0.6233   0.08716   0.07849  -0.0795   1.0000   0.0843
 -14.750  -0.6564   0.08008   0.07117  -0.0824   1.0000   0.0845
 -14.500  -0.6664   0.07596   0.06693  -0.0835   1.0000   0.0853
 -14.250  -0.6610   0.07357   0.06453  -0.0836   1.0000   0.0868
 -14.000  -0.6631   0.07061   0.06148  -0.0839   1.0000   0.0883
 -13.750  -0.6679   0.06755   0.05830  -0.0841   1.0000   0.0902
 -13.500  -0.6736   0.06456   0.05513  -0.0841   1.0000   0.0920
 -13.250  -0.6791   0.06178   0.05214  -0.0837   1.0000   0.0939
 -13.000  -0.6693   0.06030   0.05066  -0.0827   1.0000   0.0962
 -12.750  -0.6586   0.05923   0.04965  -0.0815   1.0000   0.0988
 -12.500  -0.6552   0.05800   0.04838  -0.0798   1.0000   0.1017
 -12.250  -0.6574   0.05684   0.04710  -0.0776   1.0000   0.1045
 -12.000  -0.6582   0.05635   0.04665  -0.0745   1.0000   0.1072
 -11.750  -0.6624   0.05619   0.04658  -0.0710   1.0000   0.1095
 -11.500  -0.6347   0.05471   0.04499  -0.0728   0.9903   0.1159
 -11.250  -0.6035   0.05343   0.04374  -0.0751   0.9814   0.1232
 -11.000  -0.5754   0.05197   0.04217  -0.0772   0.9718   0.1321
 -10.750  -0.5488   0.05052   0.04078  -0.0795   0.9631   0.1424
 -10.500  -0.5230   0.04892   0.03926  -0.0819   0.9549   0.1550
 -10.250  -0.5015   0.04722   0.03765  -0.0839   0.9457   0.1706
 -10.000  -0.4802   0.04537   0.03590  -0.0863   0.9376   0.1909
  -9.750  -0.4671   0.04373   0.03451  -0.0872   0.9266   0.2135
  -9.500  -0.4504   0.04213   0.03317  -0.0885   0.9180   0.2460
  -9.250  -0.4327   0.04176   0.03320  -0.0879   0.9069   0.2854
  -9.000  -0.3977   0.04271   0.03438  -0.0877   0.8989   0.3325
  -8.750  -0.3626   0.04443   0.03609  -0.0866   0.8890   0.3647
  -8.500  -0.3315   0.04544   0.03694  -0.0864   0.8808   0.3899
  -8.250  -0.3159   0.04591   0.03727  -0.0848   0.8694   0.4107
  -8.000  -0.3110   0.04533   0.03655  -0.0833   0.8595   0.4334
  -7.750  -0.2965   0.04581   0.03690  -0.0814   0.8494   0.4502
  -7.500  -0.2652   0.04675   0.03763  -0.0807   0.8431   0.4656
  -7.250  -0.2537   0.04728   0.03808  -0.0781   0.8323   0.4790
  -7.000  -0.2404   0.04718   0.03783  -0.0764   0.8249   0.4943
  -6.750  -0.2543   0.04662   0.03722  -0.0722   0.8139   0.5098
  -6.500  -0.1982   0.04821   0.03860  -0.0732   0.8087   0.5166
  -6.250  -0.1936   0.04756   0.03782  -0.0709   0.8025   0.5307
  -6.000  -0.1646   0.04840   0.03856  -0.0699   0.7940   0.5378
  -5.750  -0.1681   0.04779   0.03788  -0.0668   0.7865   0.5503
  -5.500  -0.1255   0.04799   0.03788  -0.0679   0.7827   0.5569
  -5.250  -0.1533   0.04756   0.03747  -0.0620   0.7722   0.5691
  -5.000  -0.1151   0.04776   0.03754  -0.0627   0.7673   0.5741
  -4.750  -0.1292   0.04653   0.03620  -0.0591   0.7619   0.5874
  -4.500  -0.1095   0.04715   0.03679  -0.0573   0.7537   0.5909
  -4.250  -0.0857   0.04716   0.03669  -0.0566   0.7482   0.5964
  -4.000  -0.0994   0.04592   0.03536  -0.0530   0.7430   0.6079
  -3.750  -0.0818   0.04638   0.03577  -0.0513   0.7367   0.6114
  -3.500  -0.0717   0.04652   0.03588  -0.0491   0.7304   0.6162
  -3.250  -0.0736   0.04583   0.03510  -0.0464   0.7255   0.6245
  -3.000  -0.0571   0.04520   0.03437  -0.0456   0.7223   0.6301
  -2.750  -0.0657   0.04587   0.03507  -0.0409   0.7135   0.6341
  -2.500  -0.0586   0.04571   0.03486  -0.0386   0.7082   0.6395
  -2.250  -0.0620   0.04459   0.03361  -0.0365   0.7040   0.6482
  -2.000  -0.0297   0.04449   0.03343  -0.0369   0.7018   0.6509
  -1.750  -0.0603   0.04562   0.03465  -0.0298   0.6921   0.6550
  -1.500  -0.0508   0.04557   0.03455  -0.0281   0.6879   0.6598
  -1.250  -0.0374   0.04499   0.03386  -0.0276   0.6848   0.6662
  -1.000  -0.0132   0.04459   0.03338  -0.0279   0.6825   0.6705
  -0.750  -0.0501   0.04592   0.03479  -0.0204   0.6722   0.6741
  -0.500  -0.0372   0.04608   0.03492  -0.0191   0.6684   0.6781
  -0.250  -0.0178   0.04601   0.03478  -0.0190   0.6657   0.6828
   0.000   0.0069   0.04566   0.03432  -0.0202   0.6636   0.6881
   0.500  -0.0006   0.04734   0.03604  -0.0146   0.6516   0.6949
   0.750   0.0181   0.04765   0.03632  -0.0143   0.6484   0.6989
   1.000   0.0418   0.04778   0.03640  -0.0147   0.6459   0.7034
   1.250   0.0715   0.04770   0.03625  -0.0162   0.6438   0.7083
   1.500   0.0623   0.04905   0.03763  -0.0137   0.6369   0.7121
   1.750   0.0741   0.04974   0.03834  -0.0127   0.6325   0.7154
   2.000   0.0952   0.05014   0.03873  -0.0127   0.6291   0.7193
   2.250   0.1221   0.05034   0.03891  -0.0133   0.6264   0.7242
   2.500   0.1541   0.05045   0.03898  -0.0149   0.6243   0.7298
   2.750   0.1422   0.05213   0.04072  -0.0122   0.6167   0.7338
   3.000   0.1578   0.05281   0.04142  -0.0116   0.6122   0.7381
   3.250   0.1821   0.05325   0.04187  -0.0120   0.6089   0.7430
   3.500   0.2127   0.05355   0.04216  -0.0133   0.6063   0.7484
   3.750   0.2157   0.05486   0.04352  -0.0123   0.6001   0.7531
   4.000   0.2258   0.05583   0.04455  -0.0113   0.5945   0.7578
   4.250   0.2483   0.05643   0.04518  -0.0115   0.5907   0.7637
   4.500   0.2792   0.05682   0.04558  -0.0128   0.5877   0.7706
   4.750   0.2815   0.05815   0.04698  -0.0111   0.5812   0.7758
   5.000   0.2923   0.05921   0.04811  -0.0104   0.5752   0.7821
   5.250   0.3185   0.05980   0.04873  -0.0112   0.5711   0.7895
   5.500   0.3470   0.06006   0.04907  -0.0113   0.5682   0.7955
   5.750   0.3417   0.06189   0.05098  -0.0098   0.5591   0.8022
   6.000   0.3635   0.06266   0.05181  -0.0102   0.5539   0.8102
   6.250   0.3898   0.06293   0.05217  -0.0099   0.5504   0.8178
   6.500   0.3911   0.06461   0.05393  -0.0091   0.5417   0.8265
   6.750   0.4073   0.06536   0.05478  -0.0084   0.5357   0.8352
   7.000   0.4369   0.06558   0.05509  -0.0087   0.5319   0.8458
   7.250   0.4337   0.06732   0.05694  -0.0071   0.5224   0.8551
   7.500   0.4546   0.06785   0.05757  -0.0068   0.5164   0.8668
   7.750   0.4842   0.06781   0.05765  -0.0066   0.5129   0.8802
   8.000   0.4775   0.06979   0.05975  -0.0052   0.5012   0.8935
   8.250   0.5054   0.06986   0.05995  -0.0052   0.4964   0.9109
   8.500   0.5106   0.07155   0.06179  -0.0051   0.4858   0.9306
   8.750   0.5440   0.07186   0.06227  -0.0070   0.4793   0.9594
   9.000   0.5536   0.07341   0.06390  -0.0079   0.4685   1.0000
   9.250   0.5843   0.07391   0.06447  -0.0095   0.4617   1.0000
   9.500   0.5949   0.07575   0.06638  -0.0104   0.4507   1.0000
   9.750   0.6259   0.07600   0.06670  -0.0115   0.4438   1.0000
  10.000   0.6338   0.07796   0.06873  -0.0122   0.4317   1.0000
  10.250   0.6689   0.07760   0.06847  -0.0130   0.4257   1.0000
  10.750   0.6872   0.08106   0.07207  -0.0138   0.4009   1.0000
  11.000   0.7193   0.08044   0.07155  -0.0140   0.3933   1.0000
  11.250   0.7271   0.08221   0.07340  -0.0143   0.3798   1.0000
  11.500   0.7403   0.08343   0.07471  -0.0145   0.3675   1.0000
  11.750   0.7761   0.08190   0.07330  -0.0142   0.3603   1.0000
  12.000   0.7843   0.08359   0.07508  -0.0143   0.3461   1.0000
  12.250   0.7973   0.08472   0.07630  -0.0144   0.3330   1.0000
  12.500   0.8360   0.08219   0.07390  -0.0135   0.3262   1.0000
  12.750   0.8459   0.08363   0.07542  -0.0136   0.3114   1.0000
  13.000   0.8602   0.08451   0.07639  -0.0135   0.2972   1.0000
  13.250   0.8803   0.08452   0.07647  -0.0132   0.2837   1.0000
  13.500   0.9050   0.08384   0.07583  -0.0126   0.2695   1.0000
  13.750   0.9270   0.08355   0.07553  -0.0121   0.2535   1.0000
  14.000   0.9446   0.08395   0.07587  -0.0118   0.2364   1.0000
  14.250   0.9581   0.08500   0.07684  -0.0116   0.2188   1.0000
  14.500   0.9684   0.08659   0.07832  -0.0116   0.2022   1.0000
  14.750   0.9760   0.08863   0.08027  -0.0118   0.1869   1.0000
  15.000   0.9824   0.09091   0.08245  -0.0121   0.1731   1.0000
  15.250   0.9889   0.09322   0.08465  -0.0125   0.1608   1.0000
  15.500   0.9939   0.09584   0.08722  -0.0131   0.1495   1.0000
  15.750   0.9962   0.09906   0.09049  -0.0139   0.1394   1.0000
  16.000   1.0015   0.10178   0.09317  -0.0146   0.1308   1.0000
  16.250   1.0087   0.10416   0.09549  -0.0152   0.1229   1.0000
  16.500   1.0103   0.10771   0.09916  -0.0164   0.1159   1.0000
  16.750   1.0219   0.10934   0.10065  -0.0167   0.1097   1.0000
  17.000   1.0194   0.11375   0.10530  -0.0184   0.1042   1.0000
  17.250   1.0298   0.11568   0.10716  -0.0190   0.0991   1.0000
  17.500   1.0267   0.12024   0.11193  -0.0209   0.0949   1.0000
  17.750   1.0282   0.12396   0.11576  -0.0225   0.0910   1.0000
  18.000   1.0381   0.12603   0.11778  -0.0233   0.0874   1.0000
  18.250   1.0220   0.13330   0.12539  -0.0269   0.0848   1.0000
  18.500   1.0115   0.13959   0.13187  -0.0302   0.0821   1.0000
  18.750   1.0286   0.14019   0.13238  -0.0304   0.0792   1.0000
  19.000   0.9945   0.15185   0.14437  -0.0371   0.0777   1.0000
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