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NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 65(4)-221 (naca654221-il)
Reynolds number: 1,000,000
Max Cl/Cd: 105.8 at α=6.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca654221-il-1000000.txt
Download as CSV file: xf-naca654221-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-221                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0551   0.08007   0.07594  -0.0639   1.0000   0.0202
 -19.500  -1.0544   0.07706   0.07285  -0.0650   1.0000   0.0203
 -19.250  -1.0547   0.07393   0.06963  -0.0661   1.0000   0.0204
 -18.750  -1.0490   0.06938   0.06492  -0.0661   1.0000   0.0207
 -18.500  -1.0441   0.06736   0.06286  -0.0661   1.0000   0.0209
 -18.250  -1.0384   0.06530   0.06076  -0.0663   1.0000   0.0210
 -18.000  -1.0321   0.06321   0.05867  -0.0667   1.0000   0.0213
 -17.750  -1.0263   0.06127   0.05666  -0.0667   1.0000   0.0213
 -17.500  -1.0191   0.05928   0.05465  -0.0672   1.0000   0.0216
 -17.250  -1.0120   0.05735   0.05268  -0.0674   1.0000   0.0218
 -17.000  -1.0045   0.05549   0.05079  -0.0675   1.0000   0.0220
 -16.750  -0.9960   0.05384   0.04908  -0.0675   1.0000   0.0220
 -16.500  -0.9876   0.05212   0.04732  -0.0676   1.0000   0.0222
 -16.250  -0.9790   0.05049   0.04565  -0.0675   1.0000   0.0224
 -16.000  -0.9695   0.04895   0.04408  -0.0674   1.0000   0.0225
 -15.750  -0.9558   0.04726   0.04234  -0.0681   0.9723   0.0227
 -15.500  -0.9202   0.04514   0.04015  -0.0739   0.9593   0.0230
 -15.250  -0.8836   0.04318   0.03810  -0.0796   0.9463   0.0232
 -15.000  -0.8523   0.04159   0.03637  -0.0838   0.9228   0.0236
 -14.750  -0.8393   0.04035   0.03499  -0.0839   0.8980   0.0237
 -14.500  -0.8293   0.03916   0.03369  -0.0833   0.8805   0.0238
 -14.250  -0.8178   0.03809   0.03253  -0.0827   0.8668   0.0239
 -14.000  -0.8061   0.03704   0.03138  -0.0821   0.8551   0.0240
 -13.750  -0.7995   0.03567   0.02993  -0.0812   0.8440   0.0242
 -13.500  -0.7935   0.03425   0.02844  -0.0802   0.8344   0.0245
 -13.250  -0.7853   0.03300   0.02712  -0.0793   0.8249   0.0246
 -13.000  -0.7776   0.03171   0.02577  -0.0785   0.8164   0.0249
 -12.750  -0.7684   0.03054   0.02455  -0.0776   0.8079   0.0252
 -12.500  -0.7580   0.02948   0.02342  -0.0768   0.8003   0.0255
 -12.250  -0.7467   0.02846   0.02236  -0.0760   0.7932   0.0257
 -12.000  -0.7355   0.02750   0.02134  -0.0751   0.7859   0.0261
 -11.750  -0.7241   0.02653   0.02032  -0.0742   0.7795   0.0263
 -11.500  -0.7114   0.02567   0.01941  -0.0734   0.7728   0.0268
 -11.250  -0.6999   0.02480   0.01847  -0.0724   0.7661   0.0271
 -11.000  -0.6862   0.02403   0.01766  -0.0715   0.7601   0.0275
 -10.750  -0.6728   0.02325   0.01683  -0.0706   0.7542   0.0278
 -10.500  -0.6599   0.02250   0.01601  -0.0696   0.7483   0.0280
 -10.250  -0.6498   0.02158   0.01505  -0.0683   0.7432   0.0285
 -10.000  -0.6411   0.02059   0.01403  -0.0668   0.7380   0.0292
  -9.750  -0.6285   0.01986   0.01326  -0.0657   0.7327   0.0298
  -9.500  -0.6161   0.01916   0.01250  -0.0644   0.7272   0.0305
  -9.250  -0.6016   0.01850   0.01183  -0.0633   0.7231   0.0313
  -9.000  -0.5871   0.01788   0.01117  -0.0622   0.7185   0.0318
  -8.750  -0.5732   0.01727   0.01052  -0.0610   0.7135   0.0330
  -8.500  -0.5611   0.01662   0.00982  -0.0595   0.7084   0.0343
  -8.250  -0.5477   0.01597   0.00918  -0.0581   0.7050   0.0361
  -8.000  -0.5323   0.01545   0.00864  -0.0569   0.7010   0.0378
  -7.750  -0.5215   0.01478   0.00797  -0.0551   0.6969   0.0425
  -7.500  -0.5114   0.01413   0.00734  -0.0531   0.6928   0.0506
  -7.250  -0.5101   0.01320   0.00653  -0.0499   0.6889   0.0762
  -7.000  -0.5116   0.01227   0.00576  -0.0460   0.6856   0.1082
  -6.750  -0.5167   0.01159   0.00522  -0.0409   0.6818   0.1386
  -6.500  -0.5129   0.01095   0.00475  -0.0373   0.6782   0.1794
  -6.250  -0.5062   0.01022   0.00425  -0.0343   0.6744   0.2341
  -6.000  -0.4966   0.00943   0.00374  -0.0319   0.6711   0.3006
  -5.750  -0.4862   0.00847   0.00318  -0.0296   0.6686   0.3859
  -5.500  -0.4692   0.00777   0.00282  -0.0283   0.6658   0.4628
  -5.250  -0.4438   0.00756   0.00270  -0.0281   0.6630   0.4948
  -5.000  -0.4163   0.00747   0.00262  -0.0283   0.6602   0.5133
  -4.750  -0.3883   0.00742   0.00257  -0.0286   0.6573   0.5272
  -4.500  -0.3594   0.00745   0.00253  -0.0290   0.6539   0.5370
  -4.250  -0.3309   0.00739   0.00251  -0.0293   0.6520   0.5467
  -4.000  -0.3015   0.00739   0.00249  -0.0298   0.6496   0.5554
  -3.750  -0.2726   0.00737   0.00249  -0.0302   0.6471   0.5639
  -3.500  -0.2431   0.00743   0.00249  -0.0307   0.6447   0.5705
  -3.250  -0.2143   0.00743   0.00252  -0.0310   0.6423   0.5791
  -3.000  -0.1850   0.00753   0.00258  -0.0314   0.6397   0.5860
  -2.750  -0.1556   0.00762   0.00259  -0.0319   0.6368   0.5892
  -2.500  -0.1263   0.00754   0.00254  -0.0324   0.6349   0.5927
  -2.250  -0.0966   0.00751   0.00251  -0.0330   0.6331   0.5951
  -2.000  -0.0670   0.00749   0.00249  -0.0335   0.6310   0.5972
  -1.750  -0.0373   0.00748   0.00247  -0.0341   0.6288   0.5991
  -1.500  -0.0076   0.00748   0.00245  -0.0346   0.6266   0.6010
  -1.250   0.0220   0.00749   0.00243  -0.0352   0.6244   0.6030
  -1.000   0.0516   0.00752   0.00242  -0.0357   0.6222   0.6049
  -0.750   0.0812   0.00758   0.00243  -0.0363   0.6196   0.6063
  -0.500   0.1108   0.00757   0.00242  -0.0369   0.6176   0.6084
  -0.250   0.1403   0.00752   0.00241  -0.0374   0.6161   0.6108
   0.000   0.1698   0.00750   0.00241  -0.0380   0.6142   0.6129
   0.250   0.1994   0.00750   0.00242  -0.0385   0.6122   0.6150
   0.500   0.2290   0.00751   0.00244  -0.0390   0.6101   0.6171
   0.750   0.2586   0.00753   0.00246  -0.0396   0.6082   0.6192
   1.000   0.2882   0.00756   0.00248  -0.0401   0.6063   0.6212
   1.250   0.3177   0.00760   0.00250  -0.0407   0.6042   0.6230
   1.500   0.3473   0.00769   0.00256  -0.0413   0.6017   0.6245
   1.750   0.3768   0.00770   0.00259  -0.0418   0.5998   0.6268
   2.000   0.4060   0.00768   0.00262  -0.0423   0.5982   0.6295
   2.250   0.4353   0.00768   0.00267  -0.0428   0.5965   0.6319
   2.500   0.4647   0.00770   0.00272  -0.0433   0.5946   0.6343
   2.750   0.4940   0.00773   0.00277  -0.0439   0.5925   0.6366
   3.000   0.5233   0.00775   0.00281  -0.0443   0.5902   0.6388
   3.250   0.5524   0.00779   0.00284  -0.0448   0.5874   0.6409
   3.500   0.5816   0.00791   0.00292  -0.0453   0.5834   0.6427
   3.750   0.6101   0.00787   0.00295  -0.0457   0.5807   0.6453
   4.000   0.6382   0.00781   0.00295  -0.0459   0.5758   0.6482
   4.250   0.6657   0.00781   0.00294  -0.0460   0.5687   0.6508
   4.500   0.6936   0.00783   0.00300  -0.0462   0.5631   0.6535
   4.750   0.7218   0.00783   0.00304  -0.0465   0.5577   0.6562
   5.000   0.7484   0.00791   0.00308  -0.0465   0.5495   0.6589
   5.250   0.7761   0.00792   0.00313  -0.0467   0.5408   0.6611
   5.500   0.8018   0.00799   0.00319  -0.0465   0.5319   0.6642
   5.750   0.8286   0.00802   0.00327  -0.0465   0.5213   0.6674
   6.000   0.8538   0.00813   0.00338  -0.0463   0.5088   0.6705
   6.250   0.8771   0.00829   0.00351  -0.0457   0.4912   0.6735
   6.500   0.8973   0.00855   0.00370  -0.0445   0.4677   0.6765
   6.750   0.9098   0.00903   0.00401  -0.0421   0.4266   0.6794
   7.000   0.9077   0.00978   0.00452  -0.0370   0.3733   0.6832
   7.250   0.8990   0.01054   0.00511  -0.0308   0.3329   0.6873
   7.500   0.8918   0.01150   0.00589  -0.0253   0.2918   0.6914
   7.750   0.8848   0.01261   0.00681  -0.0204   0.2527   0.6953
   8.000   0.8801   0.01378   0.00781  -0.0161   0.2180   0.6987
   8.250   0.8765   0.01499   0.00890  -0.0123   0.1856   0.7035
   8.500   0.8750   0.01624   0.01003  -0.0090   0.1568   0.7079
   8.750   0.8751   0.01751   0.01119  -0.0060   0.1306   0.7125
   9.000   0.8728   0.01899   0.01253  -0.0030   0.1024   0.7166
   9.250   0.8720   0.02045   0.01387  -0.0004   0.0785   0.7214
   9.500   0.8716   0.02194   0.01527   0.0021   0.0558   0.7267
   9.750   0.8750   0.02330   0.01655   0.0041   0.0417   0.7321
  10.000   0.8830   0.02446   0.01769   0.0056   0.0360   0.7367
  10.250   0.8938   0.02545   0.01872   0.0067   0.0329   0.7424
  10.500   0.9039   0.02653   0.01982   0.0079   0.0308   0.7481
  10.750   0.9153   0.02756   0.02088   0.0089   0.0293   0.7536
  11.000   0.9271   0.02860   0.02197   0.0098   0.0279   0.7590
  11.250   0.9383   0.02967   0.02308   0.0107   0.0269   0.7654
  11.500   0.9465   0.03099   0.02444   0.0118   0.0258   0.7718
  11.750   0.9592   0.03204   0.02553   0.0125   0.0252   0.7781
  12.000   0.9714   0.03310   0.02666   0.0132   0.0245   0.7856
  12.250   0.9831   0.03425   0.02786   0.0139   0.0237   0.7927
  12.500   0.9944   0.03543   0.02910   0.0145   0.0234   0.8003
  12.750   1.0038   0.03677   0.03049   0.0153   0.0227   0.8084
  13.000   1.0108   0.03835   0.03212   0.0161   0.0222   0.8162
  13.250   1.0177   0.03992   0.03378   0.0169   0.0218   0.8251
  13.500   1.0289   0.04123   0.03515   0.0174   0.0216   0.8339
  13.750   1.0393   0.04255   0.03656   0.0179   0.0213   0.8442
  14.000   1.0495   0.04391   0.03800   0.0184   0.0209   0.8548
  14.500   1.0668   0.04685   0.04113   0.0196   0.0204   0.8835
  14.750   1.0730   0.04842   0.04282   0.0205   0.0201   0.9057
  15.000   1.0842   0.05000   0.04456   0.0203   0.0199   0.9443
  15.250   1.1054   0.05206   0.04670   0.0174   0.0194   1.0000
  15.500   1.1118   0.05411   0.04878   0.0174   0.0192   1.0000
  15.750   1.1182   0.05616   0.05086   0.0174   0.0191   1.0000
  16.000   1.1157   0.05913   0.05388   0.0176   0.0185   1.0000
  16.250   1.1202   0.06141   0.05621   0.0176   0.0185   1.0000
  16.500   1.1283   0.06342   0.05826   0.0174   0.0184   1.0000
  16.750   1.1378   0.06531   0.06021   0.0171   0.0182   1.0000
  17.000   1.1445   0.06749   0.06243   0.0168   0.0181   1.0000
  17.250   1.1526   0.06961   0.06461   0.0164   0.0178   1.0000
  17.500   1.1588   0.07193   0.06698   0.0160   0.0177   1.0000
  17.750   1.1643   0.07432   0.06942   0.0155   0.0176   1.0000
  18.000   1.1698   0.07679   0.07194   0.0150   0.0174   1.0000
  18.250   1.1754   0.07924   0.07446   0.0144   0.0172   1.0000
  18.500   1.1791   0.08198   0.07725   0.0137   0.0171   1.0000
  18.750   1.1849   0.08453   0.07985   0.0130   0.0169   1.0000
  19.000   1.1886   0.08732   0.08270   0.0122   0.0168   1.0000
  19.250   1.1928   0.09010   0.08553   0.0112   0.0166   1.0000
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