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NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 65(4)-421 (naca654421-il)
Reynolds number: 500,000
Max Cl/Cd: 96.31 at α=7.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca654421-il-500000.txt
Download as CSV file: xf-naca654421-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.5622   0.13949   0.13682  -0.0581   1.0000   0.0311
 -18.750  -0.7264   0.10172   0.09854  -0.0788   1.0000   0.0293
 -18.500  -0.7784   0.08980   0.08631  -0.0852   1.0000   0.0290
 -18.250  -0.8078   0.08233   0.07863  -0.0887   1.0000   0.0290
 -18.000  -0.8302   0.07634   0.07245  -0.0912   1.0000   0.0291
 -17.750  -0.8477   0.07134   0.06729  -0.0929   1.0000   0.0292
 -17.500  -0.8606   0.06713   0.06291  -0.0941   1.0000   0.0293
 -17.250  -0.8706   0.06353   0.05918  -0.0950   1.0000   0.0296
 -17.000  -0.8806   0.05996   0.05545  -0.0954   1.0000   0.0297
 -16.750  -0.8880   0.05700   0.05235  -0.0957   1.0000   0.0301
 -16.500  -0.8947   0.05421   0.04941  -0.0957   1.0000   0.0303
 -16.250  -0.8994   0.05168   0.04674  -0.0954   1.0000   0.0305
 -16.000  -0.9037   0.04936   0.04427  -0.0949   1.0000   0.0307
 -15.750  -0.9054   0.04739   0.04218  -0.0942   1.0000   0.0309
 -15.500  -0.8915   0.04475   0.03936  -0.0971   0.9787   0.0311
 -15.250  -0.8735   0.04231   0.03670  -0.1012   0.9663   0.0313
 -15.000  -0.8293   0.04058   0.03496  -0.1036   0.9607   0.0320
 -14.750  -0.7940   0.03903   0.03336  -0.1074   0.9516   0.0325
 -14.500  -0.7598   0.03754   0.03177  -0.1113   0.9406   0.0329
 -14.250  -0.7302   0.03633   0.03045  -0.1139   0.9264   0.0335
 -14.000  -0.7077   0.03536   0.02936  -0.1146   0.9111   0.0338
 -13.750  -0.6906   0.03448   0.02837  -0.1144   0.8971   0.0342
 -13.500  -0.6745   0.03367   0.02744  -0.1139   0.8851   0.0346
 -13.250  -0.6573   0.03291   0.02657  -0.1133   0.8742   0.0350
 -13.000  -0.6401   0.03220   0.02577  -0.1126   0.8646   0.0352
 -12.750  -0.6236   0.03150   0.02496  -0.1119   0.8557   0.0355
 -12.500  -0.6056   0.03085   0.02424  -0.1113   0.8476   0.0357
 -12.250  -0.5890   0.03019   0.02349  -0.1106   0.8394   0.0359
 -12.000  -0.5708   0.02957   0.02281  -0.1098   0.8323   0.0363
 -11.750  -0.5542   0.02888   0.02212  -0.1088   0.8247   0.0368
 -11.500  -0.5399   0.02816   0.02135  -0.1078   0.8176   0.0371
 -11.250  -0.5268   0.02738   0.02055  -0.1069   0.8107   0.0378
 -11.000  -0.5134   0.02663   0.01977  -0.1059   0.8038   0.0383
 -10.750  -0.5002   0.02590   0.01897  -0.1049   0.7976   0.0388
 -10.500  -0.4874   0.02513   0.01817  -0.1039   0.7916   0.0392
 -10.250  -0.4751   0.02435   0.01734  -0.1028   0.7854   0.0396
 -10.000  -0.4626   0.02361   0.01653  -0.1017   0.7797   0.0402
  -9.750  -0.4497   0.02289   0.01575  -0.1006   0.7742   0.0409
  -9.500  -0.4371   0.02216   0.01498  -0.0994   0.7684   0.0413
  -9.250  -0.4295   0.02120   0.01398  -0.0977   0.7630   0.0421
  -9.000  -0.4204   0.02036   0.01308  -0.0962   0.7578   0.0431
  -8.750  -0.4091   0.01960   0.01232  -0.0948   0.7529   0.0441
  -8.500  -0.3964   0.01893   0.01162  -0.0935   0.7480   0.0455
  -8.250  -0.3833   0.01831   0.01093  -0.0921   0.7435   0.0469
  -8.000  -0.3730   0.01760   0.01018  -0.0905   0.7391   0.0489
  -7.750  -0.3617   0.01693   0.00952  -0.0888   0.7348   0.0515
  -7.500  -0.3501   0.01629   0.00887  -0.0872   0.7303   0.0554
  -7.250  -0.3419   0.01556   0.00816  -0.0850   0.7260   0.0638
  -7.000  -0.3413   0.01465   0.00735  -0.0817   0.7217   0.0886
  -6.750  -0.3533   0.01373   0.00667  -0.0762   0.7178   0.1317
  -6.500  -0.3555   0.01276   0.00601  -0.0723   0.7138   0.1950
  -6.250  -0.3525   0.01173   0.00534  -0.0692   0.7102   0.2749
  -6.000  -0.3474   0.01052   0.00460  -0.0666   0.7068   0.3816
  -5.750  -0.3312   0.00986   0.00431  -0.0654   0.7035   0.4783
  -5.500  -0.3054   0.00975   0.00428  -0.0653   0.7007   0.5122
  -5.250  -0.2778   0.00973   0.00426  -0.0654   0.6975   0.5309
  -5.000  -0.2496   0.00974   0.00424  -0.0657   0.6943   0.5438
  -4.750  -0.2210   0.00978   0.00420  -0.0660   0.6912   0.5561
  -4.500  -0.1924   0.00987   0.00428  -0.0662   0.6885   0.5672
  -4.250  -0.1634   0.01001   0.00435  -0.0666   0.6857   0.5774
  -4.000  -0.1346   0.01017   0.00450  -0.0669   0.6832   0.5869
  -3.750  -0.1061   0.01026   0.00458  -0.0671   0.6807   0.5949
  -3.500  -0.0772   0.01047   0.00483  -0.0673   0.6780   0.6040
  -3.250  -0.0485   0.01062   0.00495  -0.0675   0.6754   0.6125
  -3.000  -0.0193   0.01071   0.00505  -0.0678   0.6728   0.6171
  -2.750   0.0101   0.01074   0.00503  -0.0683   0.6703   0.6200
  -2.500   0.0397   0.01079   0.00500  -0.0689   0.6677   0.6227
  -2.250   0.0688   0.01079   0.00497  -0.0694   0.6654   0.6252
  -2.000   0.0977   0.01079   0.00493  -0.0699   0.6632   0.6275
  -1.750   0.1266   0.01073   0.00485  -0.0704   0.6608   0.6296
  -1.500   0.1555   0.01067   0.00479  -0.0708   0.6585   0.6316
  -1.250   0.1847   0.01066   0.00478  -0.0713   0.6562   0.6336
  -1.000   0.2141   0.01067   0.00478  -0.0718   0.6541   0.6358
  -0.750   0.2436   0.01070   0.00477  -0.0724   0.6519   0.6379
  -0.500   0.2736   0.01078   0.00480  -0.0731   0.6494   0.6401
  -0.250   0.3023   0.01080   0.00483  -0.0735   0.6474   0.6423
   0.000   0.3310   0.01081   0.00484  -0.0740   0.6454   0.6446
   0.250   0.3600   0.01085   0.00487  -0.0745   0.6432   0.6467
   0.500   0.3888   0.01083   0.00486  -0.0750   0.6411   0.6490
   0.750   0.4177   0.01082   0.00487  -0.0754   0.6389   0.6511
   1.000   0.4470   0.01084   0.00490  -0.0760   0.6367   0.6531
   1.250   0.4765   0.01088   0.00493  -0.0765   0.6347   0.6552
   1.500   0.5062   0.01097   0.00501  -0.0771   0.6327   0.6575
   1.750   0.5356   0.01110   0.00514  -0.0778   0.6307   0.6599
   2.000   0.5635   0.01115   0.00523  -0.0781   0.6289   0.6626
   2.250   0.5918   0.01120   0.00532  -0.0785   0.6267   0.6650
   2.500   0.6201   0.01124   0.00537  -0.0789   0.6243   0.6672
   2.750   0.6485   0.01125   0.00544  -0.0793   0.6222   0.6697
   3.000   0.6774   0.01130   0.00553  -0.0797   0.6201   0.6719
   3.250   0.7066   0.01136   0.00561  -0.0802   0.6181   0.6744
   3.500   0.7362   0.01144   0.00570  -0.0809   0.6160   0.6769
   3.750   0.7663   0.01163   0.00588  -0.0816   0.6136   0.6796
   4.000   0.7926   0.01168   0.00600  -0.0816   0.6112   0.6825
   4.250   0.8195   0.01173   0.00610  -0.0817   0.6082   0.6851
   4.500   0.8468   0.01172   0.00616  -0.0819   0.6050   0.6881
   4.750   0.8750   0.01171   0.00619  -0.0822   0.6018   0.6908
   5.000   0.9045   0.01170   0.00619  -0.0827   0.5979   0.6936
   5.250   0.9288   0.01168   0.00622  -0.0822   0.5919   0.6966
   5.500   0.9538   0.01157   0.00614  -0.0818   0.5852   0.6998
   5.750   0.9821   0.01155   0.00608  -0.0820   0.5796   0.7029
   6.000   1.0045   0.01153   0.00615  -0.0812   0.5735   0.7059
   6.250   1.0269   0.01143   0.00611  -0.0803   0.5658   0.7093
   6.500   1.0481   0.01141   0.00615  -0.0792   0.5568   0.7127
   6.750   1.0691   0.01143   0.00621  -0.0781   0.5486   0.7165
   7.000   1.0893   0.01149   0.00631  -0.0769   0.5399   0.7204
   7.250   1.1076   0.01158   0.00639  -0.0754   0.5296   0.7240
   7.500   1.1211   0.01164   0.00654  -0.0729   0.5173   0.7279
   7.750   1.1303   0.01179   0.00672  -0.0696   0.5037   0.7319
   8.000   1.1387   0.01209   0.00702  -0.0663   0.4875   0.7363
   8.250   1.1423   0.01258   0.00746  -0.0624   0.4655   0.7410
   8.500   1.1399   0.01332   0.00812  -0.0579   0.4366   0.7459
   8.750   1.1271   0.01454   0.00920  -0.0520   0.4003   0.7511
   9.000   1.1108   0.01618   0.01067  -0.0463   0.3638   0.7569
   9.250   1.0966   0.01803   0.01234  -0.0414   0.3289   0.7626
   9.500   1.0837   0.01995   0.01415  -0.0370   0.2960   0.7681
   9.750   1.0711   0.02207   0.01613  -0.0330   0.2628   0.7739
  10.000   1.0619   0.02417   0.01809  -0.0298   0.2319   0.7801
  10.250   1.0524   0.02639   0.02018  -0.0267   0.2002   0.7859
  10.500   1.0460   0.02852   0.02220  -0.0241   0.1714   0.7922
  10.750   1.0399   0.03080   0.02432  -0.0218   0.1415   0.7990
  11.000   1.0327   0.03320   0.02656  -0.0195   0.1101   0.8055
  11.250   1.0240   0.03580   0.02898  -0.0173   0.0774   0.8125
  11.500   1.0200   0.03822   0.03123  -0.0156   0.0533   0.8200
  11.750   1.0225   0.04012   0.03313  -0.0143   0.0440   0.8273
  12.000   1.0280   0.04189   0.03491  -0.0133   0.0397   0.8356
  12.250   1.0353   0.04348   0.03657  -0.0125   0.0371   0.8436
  12.500   1.0397   0.04539   0.03851  -0.0115   0.0349   0.8529
  12.750   1.0480   0.04694   0.04016  -0.0108   0.0335   0.8627
  13.000   1.0555   0.04860   0.04190  -0.0101   0.0322   0.8740
  13.250   1.0601   0.05044   0.04382  -0.0091   0.0311   0.8875
  13.500   1.0610   0.05258   0.04605  -0.0080   0.0301   0.9042
  13.750   1.0683   0.05405   0.04766  -0.0070   0.0295   0.9318
  14.000   1.0817   0.05605   0.04976  -0.0083   0.0284   1.0000
  14.250   1.0904   0.05809   0.05183  -0.0085   0.0276   1.0000
  14.500   1.0962   0.06039   0.05415  -0.0086   0.0268   1.0000
  14.750   1.1009   0.06283   0.05661  -0.0087   0.0264   1.0000
  15.000   1.1050   0.06532   0.05913  -0.0087   0.0260   1.0000
  15.250   1.1138   0.06741   0.06128  -0.0089   0.0255   1.0000
  15.500   1.1221   0.06953   0.06346  -0.0091   0.0252   1.0000
  15.750   1.1303   0.07166   0.06564  -0.0094   0.0247   1.0000
  16.000   1.1375   0.07394   0.06796  -0.0097   0.0243   1.0000
  16.250   1.1452   0.07616   0.07022  -0.0100   0.0239   1.0000
  16.500   1.1530   0.07837   0.07247  -0.0103   0.0235   1.0000
  16.750   1.1603   0.08066   0.07478  -0.0107   0.0232   1.0000
  17.000   1.1680   0.08287   0.07702  -0.0111   0.0229   1.0000
  17.250   1.1764   0.08487   0.07902  -0.0113   0.0225   1.0000
  17.500   1.1871   0.08647   0.08063  -0.0112   0.0222   1.0000
  17.750   1.1954   0.08875   0.08299  -0.0118   0.0220   1.0000
  18.000   1.2041   0.09092   0.08523  -0.0123   0.0218   1.0000
  18.250   1.2111   0.09339   0.08779  -0.0130   0.0215   1.0000
  18.500   1.2194   0.09563   0.09010  -0.0136   0.0212   1.0000
  18.750   1.2272   0.09794   0.09248  -0.0143   0.0210   1.0000
  19.000   1.2343   0.10033   0.09494  -0.0150   0.0207   1.0000
  19.250   1.2413   0.10277   0.09743  -0.0158   0.0204   1.0000
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