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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 200,000
Max Cl/Cd: 61.51 at α=9.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644421-il-200000.txt
Download as CSV file: xf-naca644421-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.000  -0.6907   0.10945   0.10495  -0.0672   1.0000   0.0539
 -17.750  -0.7297   0.09917   0.09450  -0.0728   1.0000   0.0534
 -17.500  -0.7686   0.09000   0.08512  -0.0777   1.0000   0.0531
 -17.250  -0.8023   0.08238   0.07728  -0.0814   1.0000   0.0529
 -17.000  -0.8306   0.07606   0.07073  -0.0841   1.0000   0.0528
 -16.750  -0.8558   0.07061   0.06505  -0.0860   1.0000   0.0529
 -16.500  -0.8774   0.06593   0.06013  -0.0873   1.0000   0.0531
 -16.250  -0.8943   0.06198   0.05596  -0.0880   1.0000   0.0533
 -16.000  -0.9094   0.05845   0.05219  -0.0884   1.0000   0.0535
 -15.750  -0.9254   0.05527   0.04877  -0.0883   1.0000   0.0538
 -15.500  -0.9175   0.05285   0.04627  -0.0881   1.0000   0.0545
 -15.250  -0.9032   0.05126   0.04468  -0.0878   1.0000   0.0553
 -15.000  -0.8942   0.04959   0.04297  -0.0875   1.0000   0.0561
 -14.750  -0.8848   0.04796   0.04128  -0.0870   1.0000   0.0568
 -14.500  -0.8771   0.04631   0.03954  -0.0864   1.0000   0.0576
 -14.250  -0.8699   0.04466   0.03777  -0.0857   1.0000   0.0584
 -14.000  -0.8646   0.04311   0.03610  -0.0848   1.0000   0.0593
 -13.750  -0.8632   0.04165   0.03449  -0.0834   1.0000   0.0601
 -13.500  -0.8469   0.04066   0.03352  -0.0822   1.0000   0.0613
 -13.250  -0.8503   0.04050   0.03346  -0.0784   1.0000   0.0620
 -13.000  -0.8158   0.03921   0.03218  -0.0810   0.9912   0.0638
 -12.750  -0.7819   0.03783   0.03070  -0.0838   0.9835   0.0657
 -12.500  -0.7494   0.03633   0.02900  -0.0870   0.9758   0.0677
 -12.250  -0.7063   0.03554   0.02839  -0.0892   0.9703   0.0705
 -12.000  -0.6712   0.03435   0.02715  -0.0923   0.9618   0.0737
 -11.750  -0.6328   0.03331   0.02607  -0.0952   0.9539   0.0769
 -11.500  -0.5987   0.03231   0.02512  -0.0977   0.9428   0.0805
 -11.250  -0.5689   0.03123   0.02391  -0.1000   0.9304   0.0847
 -11.000  -0.5434   0.03026   0.02303  -0.1012   0.9181   0.0894
 -10.750  -0.5266   0.02941   0.02208  -0.1009   0.9036   0.0943
 -10.500  -0.5171   0.02845   0.02119  -0.0996   0.8898   0.0993
 -10.250  -0.5064   0.02759   0.02023  -0.0984   0.8780   0.1057
 -10.000  -0.5026   0.02645   0.01916  -0.0966   0.8661   0.1125
  -9.750  -0.4987   0.02536   0.01808  -0.0947   0.8551   0.1212
  -9.500  -0.4951   0.02424   0.01695  -0.0928   0.8453   0.1321
  -9.250  -0.4950   0.02302   0.01579  -0.0907   0.8352   0.1455
  -9.000  -0.4985   0.02165   0.01449  -0.0880   0.8259   0.1619
  -8.750  -0.5053   0.02028   0.01324  -0.0850   0.8164   0.1825
  -8.500  -0.5153   0.01902   0.01209  -0.0810   0.8071   0.2093
  -8.250  -0.5288   0.01800   0.01122  -0.0762   0.7988   0.2421
  -8.000  -0.5355   0.01686   0.01038  -0.0723   0.7899   0.2973
  -7.750  -0.5330   0.01596   0.00990  -0.0692   0.7836   0.3740
  -7.500  -0.5154   0.01593   0.01004  -0.0678   0.7763   0.4340
  -7.250  -0.4919   0.01606   0.01013  -0.0671   0.7695   0.4616
  -7.000  -0.4661   0.01625   0.01021  -0.0665   0.7643   0.4808
  -6.750  -0.4406   0.01650   0.01037  -0.0661   0.7583   0.4957
  -6.500  -0.4160   0.01670   0.01043  -0.0656   0.7516   0.5096
  -6.250  -0.3861   0.01716   0.01093  -0.0652   0.7463   0.5196
  -6.000  -0.3589   0.01741   0.01101  -0.0649   0.7418   0.5309
  -5.750  -0.3306   0.01793   0.01161  -0.0644   0.7353   0.5390
  -5.500  -0.3053   0.01799   0.01152  -0.0642   0.7295   0.5487
  -5.250  -0.2743   0.01843   0.01199  -0.0639   0.7249   0.5543
  -5.000  -0.2459   0.01875   0.01223  -0.0636   0.7203   0.5617
  -4.750  -0.2206   0.01890   0.01234  -0.0632   0.7140   0.5697
  -4.500  -0.1897   0.01963   0.01313  -0.0625   0.7088   0.5760
  -4.250  -0.1623   0.01984   0.01322  -0.0624   0.7046   0.5853
  -4.000  -0.1339   0.02012   0.01346  -0.0620   0.7006   0.5906
  -3.750  -0.1068   0.02044   0.01384  -0.0615   0.6952   0.5942
  -3.500  -0.0794   0.02053   0.01389  -0.0613   0.6905   0.5982
  -3.250  -0.0528   0.02026   0.01350  -0.0617   0.6866   0.6033
  -3.000  -0.0261   0.01981   0.01285  -0.0625   0.6832   0.6080
  -2.750   0.0003   0.01982   0.01289  -0.0623   0.6791   0.6102
  -2.500   0.0264   0.01985   0.01294  -0.0621   0.6745   0.6126
  -2.250   0.0536   0.01980   0.01286  -0.0622   0.6706   0.6152
  -2.000   0.0816   0.01971   0.01270  -0.0625   0.6673   0.6181
  -1.750   0.1105   0.01955   0.01243  -0.0631   0.6644   0.6216
  -1.500   0.1380   0.01937   0.01215  -0.0638   0.6610   0.6254
  -1.250   0.1634   0.01923   0.01201  -0.0641   0.6568   0.6286
  -1.000   0.1897   0.01924   0.01204  -0.0640   0.6532   0.6307
  -0.750   0.2171   0.01926   0.01207  -0.0641   0.6501   0.6330
  -0.500   0.2457   0.01925   0.01202  -0.0645   0.6475   0.6355
  -0.250   0.2751   0.01921   0.01193  -0.0651   0.6452   0.6382
   0.000   0.3042   0.01927   0.01193  -0.0657   0.6429   0.6414
   0.250   0.3290   0.01934   0.01203  -0.0660   0.6397   0.6449
   0.500   0.3556   0.01938   0.01205  -0.0666   0.6364   0.6479
   0.750   0.3818   0.01940   0.01211  -0.0666   0.6332   0.6500
   1.000   0.4091   0.01946   0.01219  -0.0667   0.6306   0.6523
   1.250   0.4371   0.01955   0.01230  -0.0670   0.6284   0.6550
   1.500   0.4660   0.01966   0.01240  -0.0674   0.6265   0.6582
   1.750   0.4960   0.01979   0.01250  -0.0681   0.6246   0.6618
   2.000   0.5200   0.02005   0.01281  -0.0682   0.6215   0.6655
   2.250   0.5438   0.02032   0.01312  -0.0683   0.6182   0.6691
   2.500   0.5677   0.02053   0.01343  -0.0680   0.6151   0.6717
   2.750   0.5939   0.02068   0.01364  -0.0679   0.6123   0.6747
   3.000   0.6221   0.02079   0.01377  -0.0682   0.6099   0.6782
   3.250   0.6518   0.02089   0.01387  -0.0688   0.6078   0.6824
   3.500   0.6831   0.02102   0.01397  -0.0698   0.6059   0.6871
   3.750   0.7043   0.02147   0.01451  -0.0693   0.6029   0.6911
   4.000   0.7203   0.02206   0.01528  -0.0679   0.5990   0.6948
   4.250   0.7421   0.02246   0.01578  -0.0673   0.5957   0.6993
   4.500   0.7686   0.02267   0.01603  -0.0675   0.5928   0.7046
   4.750   0.7995   0.02276   0.01611  -0.0684   0.5904   0.7102
   5.000   0.8295   0.02277   0.01619  -0.0687   0.5884   0.7142
   5.250   0.8618   0.02286   0.01630  -0.0694   0.5863   0.7188
   5.500   0.8639   0.02396   0.01762  -0.0663   0.5804   0.7246
   5.750   0.8875   0.02422   0.01792  -0.0662   0.5760   0.7310
   6.000   0.9196   0.02387   0.01764  -0.0665   0.5724   0.7356
   6.250   0.9603   0.02326   0.01702  -0.0680   0.5692   0.7414
   6.500   0.9801   0.02358   0.01743  -0.0671   0.5639   0.7484
   6.750   0.9965   0.02381   0.01779  -0.0656   0.5578   0.7543
   7.000   1.0370   0.02288   0.01685  -0.0668   0.5525   0.7605
   7.250   1.0722   0.02236   0.01631  -0.0676   0.5464   0.7683
   7.500   1.0852   0.02249   0.01660  -0.0653   0.5391   0.7750
   7.750   1.1187   0.02197   0.01610  -0.0658   0.5338   0.7820
   8.000   1.1494   0.02177   0.01591  -0.0663   0.5280   0.7905
   8.250   1.1591   0.02186   0.01619  -0.0633   0.5204   0.7970
   8.500   1.1987   0.02105   0.01531  -0.0645   0.5131   0.8051
   8.750   1.2029   0.02121   0.01566  -0.0609   0.5041   0.8134
   9.000   1.2332   0.02056   0.01496  -0.0606   0.4949   0.8217
   9.250   1.2326   0.02079   0.01537  -0.0562   0.4854   0.8315
   9.500   1.2541   0.02039   0.01496  -0.0547   0.4760   0.8409
   9.750   1.2406   0.02084   0.01562  -0.0484   0.4668   0.8527
  10.000   1.2488   0.02091   0.01572  -0.0453   0.4561   0.8654
  10.250   1.2420   0.02142   0.01637  -0.0404   0.4442   0.8798
  10.500   1.2337   0.02217   0.01725  -0.0357   0.4311   0.8965
  10.750   1.2255   0.02300   0.01819  -0.0313   0.4156   0.9175
  11.000   1.2208   0.02389   0.01912  -0.0279   0.3941   0.9525
  11.250   1.2239   0.02532   0.02040  -0.0273   0.3626   1.0000
  11.500   1.2195   0.02751   0.02236  -0.0260   0.3308   1.0000
  11.750   1.2105   0.03012   0.02476  -0.0245   0.3002   1.0000
  12.000   1.1986   0.03306   0.02750  -0.0229   0.2723   1.0000
  12.250   1.1868   0.03618   0.03046  -0.0216   0.2461   1.0000
  12.500   1.1752   0.03944   0.03356  -0.0205   0.2227   1.0000
  12.750   1.1661   0.04268   0.03667  -0.0197   0.2006   1.0000
  13.000   1.1579   0.04595   0.03981  -0.0191   0.1811   1.0000
  13.250   1.1510   0.04922   0.04296  -0.0186   0.1639   1.0000
  13.750   1.1428   0.05551   0.04905  -0.0182   0.1348   1.0000
  14.000   1.1413   0.05851   0.05197  -0.0182   0.1226   1.0000
  14.250   1.1411   0.06146   0.05487  -0.0182   0.1116   1.0000
  14.500   1.1423   0.06428   0.05766  -0.0184   0.1023   1.0000
  14.750   1.1433   0.06715   0.06048  -0.0185   0.0943   1.0000
  15.000   1.1441   0.07005   0.06328  -0.0187   0.0879   1.0000
  15.250   1.1494   0.07260   0.06587  -0.0190   0.0817   1.0000
  15.500   1.1533   0.07522   0.06845  -0.0193   0.0767   1.0000
  15.750   1.1587   0.07776   0.07099  -0.0197   0.0723   1.0000
  16.000   1.1649   0.08013   0.07336  -0.0200   0.0684   1.0000
  16.250   1.1715   0.08258   0.07583  -0.0204   0.0650   1.0000
  16.500   1.1790   0.08478   0.07798  -0.0207   0.0620   1.0000
  16.750   1.1863   0.08719   0.08047  -0.0212   0.0591   1.0000
  17.000   1.1949   0.08930   0.08252  -0.0216   0.0568   1.0000
  17.250   1.2045   0.09130   0.08456  -0.0219   0.0546   1.0000
  17.500   1.2125   0.09361   0.08694  -0.0224   0.0525   1.0000
  17.750   1.2232   0.09544   0.08872  -0.0228   0.0507   1.0000
  18.000   1.2338   0.09730   0.09061  -0.0231   0.0489   1.0000
  18.250   1.2402   0.09988   0.09331  -0.0238   0.0473   1.0000
  18.500   1.2492   0.10200   0.09545  -0.0244   0.0458   1.0000
  18.750   1.2673   0.10262   0.09592  -0.0243   0.0442   1.0000
  19.000   1.2695   0.10589   0.09940  -0.0254   0.0432   1.0000
  19.250   1.2746   0.10868   0.10234  -0.0263   0.0421   1.0000
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