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NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 65(4)-221 (naca654221-il)
Reynolds number: 200,000
Max Cl/Cd: 50.18 at α=8°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca654221-il-200000.txt
Download as CSV file: xf-naca654221-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -0.3357   0.14972   0.14646  -0.0424   1.0000   0.0844
 -17.250  -0.8041   0.09222   0.08746  -0.0741   1.0000   0.0497
 -17.000  -0.8099   0.08738   0.08253  -0.0754   1.0000   0.0493
 -16.750  -0.8212   0.08245   0.07749  -0.0768   1.0000   0.0490
 -16.500  -0.8407   0.07735   0.07221  -0.0780   1.0000   0.0487
 -16.250  -0.8573   0.07277   0.06747  -0.0788   1.0000   0.0484
 -16.000  -0.8739   0.06848   0.06298  -0.0792   1.0000   0.0481
 -15.750  -0.8892   0.06463   0.05893  -0.0793   1.0000   0.0481
 -15.500  -0.9018   0.06107   0.05516  -0.0790   1.0000   0.0480
 -15.250  -0.9087   0.05795   0.05185  -0.0786   1.0000   0.0479
 -15.000  -0.9159   0.05515   0.04885  -0.0779   1.0000   0.0481
 -14.750  -0.9180   0.05259   0.04609  -0.0772   1.0000   0.0483
 -14.500  -0.9160   0.05032   0.04365  -0.0765   1.0000   0.0484
 -14.250  -0.9120   0.04824   0.04138  -0.0757   1.0000   0.0486
 -14.000  -0.9046   0.04641   0.03940  -0.0749   1.0000   0.0488
 -13.750  -0.9030   0.04529   0.03819  -0.0727   1.0000   0.0489
 -13.500  -0.8739   0.04314   0.03581  -0.0753   0.9870   0.0492
 -13.250  -0.8418   0.04134   0.03380  -0.0780   0.9783   0.0496
 -13.000  -0.7885   0.04007   0.03258  -0.0806   0.9738   0.0509
 -12.750  -0.7467   0.03900   0.03151  -0.0834   0.9664   0.0520
 -12.500  -0.7065   0.03799   0.03043  -0.0862   0.9585   0.0532
 -12.250  -0.6686   0.03716   0.02954  -0.0883   0.9486   0.0543
 -12.000  -0.6357   0.03642   0.02872  -0.0898   0.9380   0.0556
 -11.750  -0.6067   0.03576   0.02794  -0.0907   0.9277   0.0566
 -11.500  -0.5827   0.03525   0.02751  -0.0903   0.9163   0.0582
 -11.250  -0.5659   0.03455   0.02682  -0.0896   0.9055   0.0598
 -11.000  -0.5523   0.03383   0.02603  -0.0885   0.8953   0.0616
 -10.750  -0.5400   0.03307   0.02521  -0.0872   0.8851   0.0638
 -10.500  -0.5308   0.03216   0.02427  -0.0857   0.8768   0.0658
 -10.250  -0.5240   0.03110   0.02324  -0.0842   0.8676   0.0685
 -10.000  -0.5159   0.03016   0.02222  -0.0826   0.8603   0.0723
  -9.750  -0.5116   0.02898   0.02105  -0.0809   0.8525   0.0760
  -9.500  -0.5073   0.02782   0.01987  -0.0791   0.8452   0.0829
  -9.250  -0.5071   0.02650   0.01859  -0.0768   0.8390   0.0930
  -9.000  -0.5142   0.02480   0.01712  -0.0740   0.8310   0.1200
  -8.750  -0.5316   0.02271   0.01539  -0.0699   0.8242   0.1752
  -8.250  -0.5693   0.01910   0.01242  -0.0606   0.8102   0.2873
  -8.000  -0.5903   0.01766   0.01125  -0.0544   0.8045   0.3408
  -7.750  -0.6137   0.01692   0.01084  -0.0470   0.7983   0.3954
  -7.500  -0.6174   0.01665   0.01094  -0.0420   0.7923   0.4695
  -7.250  -0.6042   0.01678   0.01113  -0.0393   0.7879   0.5108
  -7.000  -0.5879   0.01690   0.01111  -0.0373   0.7844   0.5353
  -6.750  -0.5682   0.01721   0.01137  -0.0360   0.7798   0.5526
  -6.500  -0.5426   0.01773   0.01187  -0.0354   0.7753   0.5662
  -6.250  -0.5161   0.01818   0.01227  -0.0348   0.7716   0.5774
  -6.000  -0.4934   0.01857   0.01254  -0.0337   0.7684   0.5905
  -5.750  -0.4568   0.01976   0.01376  -0.0339   0.7659   0.6027
  -5.500  -0.4151   0.02139   0.01543  -0.0345   0.7630   0.6129
  -5.250  -0.3864   0.02227   0.01630  -0.0341   0.7585   0.6222
  -5.000  -0.3503   0.02324   0.01725  -0.0345   0.7548   0.6281
  -4.750  -0.2992   0.02480   0.01880  -0.0364   0.7522   0.6304
  -4.500  -0.2569   0.02573   0.01967  -0.0376   0.7498   0.6326
  -4.250  -0.2634   0.02436   0.01815  -0.0341   0.7469   0.6447
  -4.000  -0.2279   0.02493   0.01870  -0.0348   0.7442   0.6463
  -3.750  -0.1958   0.02543   0.01920  -0.0352   0.7405   0.6479
  -3.500  -0.1661   0.02570   0.01945  -0.0354   0.7369   0.6501
  -3.250  -0.1769   0.02400   0.01761  -0.0319   0.7329   0.6621
  -3.000  -0.1457   0.02410   0.01767  -0.0323   0.7306   0.6636
  -2.750  -0.1143   0.02427   0.01780  -0.0327   0.7286   0.6652
  -2.500  -0.0845   0.02447   0.01796  -0.0329   0.7266   0.6670
  -2.250  -0.0640   0.02467   0.01820  -0.0323   0.7226   0.6697
  -2.000  -0.0480   0.02444   0.01795  -0.0313   0.7189   0.6744
  -1.750  -0.0400   0.02342   0.01681  -0.0301   0.7154   0.6813
  -1.500  -0.0117   0.02342   0.01680  -0.0301   0.7130   0.6830
  -1.250   0.0170   0.02343   0.01678  -0.0303   0.7110   0.6848
  -1.000   0.0450   0.02343   0.01674  -0.0305   0.7093   0.6868
  -0.750   0.0633   0.02361   0.01695  -0.0298   0.7060   0.6895
  -0.500   0.0767   0.02374   0.01711  -0.0285   0.7016   0.6935
  -0.250   0.0932   0.02332   0.01659  -0.0283   0.6981   0.6993
   0.000   0.1199   0.02326   0.01654  -0.0283   0.6957   0.7009
   0.250   0.1470   0.02325   0.01653  -0.0284   0.6937   0.7026
   0.500   0.1750   0.02325   0.01652  -0.0286   0.6921   0.7046
   0.750   0.2038   0.02328   0.01654  -0.0290   0.6906   0.7071
   1.000   0.2013   0.02433   0.01771  -0.0256   0.6835   0.7109
   1.250   0.2193   0.02448   0.01786  -0.0250   0.6797   0.7146
   1.500   0.2442   0.02438   0.01770  -0.0255   0.6774   0.7184
   1.750   0.2725   0.02434   0.01769  -0.0258   0.6758   0.7202
   2.000   0.3025   0.02429   0.01766  -0.0262   0.6742   0.7222
   2.250   0.3340   0.02424   0.01763  -0.0269   0.6728   0.7246
   2.500   0.2946   0.02681   0.02035  -0.0188   0.6607   0.7288
   2.750   0.3259   0.02666   0.02019  -0.0196   0.6589   0.7321
   3.000   0.3598   0.02641   0.01993  -0.0210   0.6575   0.7355
   3.250   0.3961   0.02608   0.01960  -0.0226   0.6564   0.7383
   3.500   0.4309   0.02583   0.01939  -0.0236   0.6553   0.7404
   3.750   0.4670   0.02563   0.01922  -0.0248   0.6542   0.7427
   4.000   0.3172   0.03274   0.02644  -0.0042   0.6249   0.7490
   4.250   0.3501   0.03251   0.02623  -0.0050   0.6230   0.7528
   4.500   0.3892   0.03198   0.02570  -0.0066   0.6219   0.7565
   4.750   0.4289   0.03126   0.02507  -0.0079   0.6212   0.7589
   5.000   0.4716   0.03042   0.02430  -0.0094   0.6208   0.7614
   5.250   0.5193   0.02949   0.02345  -0.0116   0.6206   0.7642
   5.500   0.5726   0.02851   0.02253  -0.0149   0.6203   0.7672
   5.750   0.6281   0.02731   0.02138  -0.0185   0.6198   0.7708
   6.000   0.6728   0.02644   0.02055  -0.0208   0.6170   0.7751
   6.250   0.5790   0.03099   0.02518  -0.0060   0.5970   0.7805
   6.500   0.6330   0.02913   0.02341  -0.0083   0.5961   0.7838
   6.750   0.6914   0.02729   0.02166  -0.0115   0.5948   0.7872
   7.000   0.8055   0.02318   0.01757  -0.0219   0.5927   0.7896
   7.250   0.8886   0.02010   0.01434  -0.0287   0.5828   0.7930
   7.500   0.8919   0.02001   0.01439  -0.0246   0.5714   0.7976
   7.750   0.9132   0.01941   0.01386  -0.0230   0.5604   0.8017
   8.000   0.9414   0.01876   0.01322  -0.0225   0.5494   0.8067
   8.250   0.9371   0.01891   0.01348  -0.0176   0.5377   0.8138
   8.500   0.9397   0.01891   0.01358  -0.0133   0.5255   0.8185
   8.750   0.9437   0.01908   0.01382  -0.0096   0.5101   0.8247
   9.000   0.9464   0.01950   0.01427  -0.0064   0.4911   0.8322
   9.250   0.9484   0.01986   0.01464  -0.0027   0.4671   0.8382
   9.500   0.9468   0.02058   0.01525   0.0010   0.4299   0.8463
   9.750   0.9375   0.02171   0.01612   0.0055   0.3826   0.8542
  10.000   0.9217   0.02344   0.01760   0.0101   0.3393   0.8635
  10.250   0.9033   0.02551   0.01944   0.0145   0.2978   0.8726
  10.500   0.8873   0.02771   0.02145   0.0182   0.2588   0.8832
  10.750   0.8691   0.03004   0.02358   0.0221   0.2199   0.8938
  11.000   0.8519   0.03260   0.02590   0.0253   0.1771   0.9064
  11.250   0.8360   0.03531   0.02835   0.0281   0.1322   0.9214
  11.500   0.8247   0.03806   0.03084   0.0300   0.0958   0.9394
  11.750   0.8269   0.04084   0.03349   0.0292   0.0775   0.9606
  12.000   0.8350   0.04313   0.03574   0.0279   0.0687   1.0000
  12.250   0.8453   0.04507   0.03769   0.0272   0.0635   1.0000
  12.500   0.8523   0.04723   0.03977   0.0269   0.0602   1.0000
  12.750   0.8636   0.04898   0.04154   0.0265   0.0572   1.0000
  13.000   0.8747   0.05069   0.04325   0.0262   0.0546   1.0000
  13.250   0.8845   0.05241   0.04487   0.0263   0.0527   1.0000
  13.500   0.8987   0.05376   0.04624   0.0263   0.0512   1.0000
  13.750   0.9136   0.05504   0.04754   0.0263   0.0497   1.0000
  14.000   0.9290   0.05624   0.04874   0.0264   0.0482   1.0000
  14.250   0.9464   0.05722   0.04967   0.0265   0.0471   1.0000
  14.500   0.9724   0.05742   0.04972   0.0269   0.0458   1.0000
  14.750   0.9887   0.05866   0.05108   0.0270   0.0449   1.0000
  15.000   1.0055   0.05989   0.05239   0.0270   0.0438   1.0000
  15.250   1.0235   0.06104   0.05360   0.0270   0.0428   1.0000
  15.500   1.0426   0.06214   0.05474   0.0271   0.0421   1.0000
  15.750   1.0625   0.06323   0.05586   0.0271   0.0414   1.0000
  16.000   1.0875   0.06406   0.05667   0.0271   0.0406   1.0000
  16.250   1.1243   0.06463   0.05721   0.0270   0.0400   1.0000
  16.500   1.1367   0.06672   0.05947   0.0270   0.0398   1.0000
  16.750   1.1415   0.06928   0.06224   0.0271   0.0395   1.0000
  17.000   1.1481   0.07186   0.06501   0.0270   0.0395   1.0000
  17.250   1.1460   0.07508   0.06846   0.0268   0.0392   1.0000
  17.500   1.1424   0.07854   0.07215   0.0265   0.0391   1.0000
  17.750   1.1369   0.08224   0.07607   0.0260   0.0389   1.0000
  18.000   1.1294   0.08630   0.08035   0.0253   0.0389   1.0000
  18.250   1.1173   0.09092   0.08521   0.0243   0.0388   1.0000
  18.500   1.1045   0.09584   0.09035   0.0230   0.0389   1.0000
  18.750   1.0854   0.10151   0.09626   0.0210   0.0387   1.0000
  19.000   1.0686   0.10731   0.10228   0.0188   0.0389   1.0000
  19.250   1.0469   0.11400   0.10919   0.0159   0.0391   1.0000
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