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NACA 63(4)-421 (naca634421-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NACA 63(4)-421 (naca634421-il)
Reynolds number: 50,000
Max Cl/Cd: 9.38 at α=14.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca634421-il-50000-n5.txt
Download as CSV file: xf-naca634421-il-50000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 63(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  -0.4809   0.12326   0.11514  -0.0524   1.0000   0.1012
 -15.250  -0.5983   0.09558   0.08724  -0.0672   1.0000   0.1031
 -15.000  -0.6546   0.08339   0.07470  -0.0734   1.0000   0.1039
 -14.750  -0.6480   0.08098   0.07231  -0.0739   1.0000   0.1064
 -14.500  -0.6458   0.07806   0.06936  -0.0746   1.0000   0.1091
 -14.250  -0.6554   0.07364   0.06479  -0.0761   1.0000   0.1116
 -14.000  -0.6666   0.06923   0.06016  -0.0774   1.0000   0.1142
 -13.750  -0.6639   0.06662   0.05748  -0.0777   1.0000   0.1175
 -13.500  -0.6532   0.06514   0.05606  -0.0774   1.0000   0.1216
 -13.250  -0.6524   0.06256   0.05336  -0.0775   1.0000   0.1257
 -13.000  -0.6476   0.06053   0.05129  -0.0772   1.0000   0.1303
 -12.750  -0.6389   0.05922   0.05007  -0.0766   1.0000   0.1356
 -12.500  -0.6389   0.05710   0.04784  -0.0760   1.0000   0.1413
 -12.250  -0.6320   0.05612   0.04704  -0.0747   1.0000   0.1472
 -12.000  -0.6342   0.05475   0.04569  -0.0731   1.0000   0.1536
 -11.750  -0.6405   0.05382   0.04485  -0.0706   1.0000   0.1594
 -11.500  -0.6534   0.05336   0.04452  -0.0669   1.0000   0.1642
 -11.250  -0.6450   0.05174   0.04292  -0.0675   0.9900   0.1746
 -11.000  -0.6254   0.04982   0.04106  -0.0701   0.9786   0.1894
 -10.750  -0.6057   0.04807   0.03942  -0.0726   0.9676   0.2064
 -10.500  -0.5852   0.04656   0.03804  -0.0748   0.9572   0.2259
 -10.250  -0.5609   0.04514   0.03673  -0.0775   0.9491   0.2500
 -10.000  -0.5385   0.04428   0.03598  -0.0789   0.9387   0.2739
  -9.750  -0.5023   0.04468   0.03647  -0.0802   0.9309   0.2990
  -9.500  -0.4763   0.04455   0.03631  -0.0811   0.9207   0.3221
  -9.250  -0.4494   0.04461   0.03629  -0.0818   0.9117   0.3428
  -9.000  -0.4216   0.04507   0.03664  -0.0820   0.9022   0.3606
  -8.750  -0.4028   0.04498   0.03644  -0.0818   0.8925   0.3776
  -8.250  -0.3317   0.04743   0.03860  -0.0810   0.8768   0.4010
  -8.000  -0.3288   0.04663   0.03771  -0.0795   0.8657   0.4158
  -7.750  -0.3223   0.04591   0.03685  -0.0782   0.8569   0.4304
  -7.500  -0.2856   0.04740   0.03823  -0.0772   0.8489   0.4365
  -7.250  -0.2853   0.04615   0.03686  -0.0757   0.8409   0.4515
  -6.750  -0.2593   0.04632   0.03684  -0.0718   0.8239   0.4708
  -6.250  -0.2375   0.04633   0.03670  -0.0677   0.8079   0.4901
  -5.750  -0.2105   0.04612   0.03630  -0.0644   0.7941   0.5092
  -5.250  -0.1838   0.04535   0.03533  -0.0617   0.7813   0.5277
  -4.750  -0.1806   0.04458   0.03443  -0.0565   0.7654   0.5456
  -4.500  -0.1417   0.04487   0.03462  -0.0569   0.7614   0.5494
  -4.250  -0.1335   0.04502   0.03472  -0.0543   0.7534   0.5557
  -4.000  -0.1431   0.04404   0.03368  -0.0513   0.7456   0.5664
  -3.750  -0.1098   0.04412   0.03366  -0.0513   0.7417   0.5706
  -3.500  -0.1090   0.04401   0.03352  -0.0484   0.7339   0.5780
  -3.250  -0.1117   0.04341   0.03285  -0.0457   0.7263   0.5866
  -3.000  -0.0817   0.04342   0.03279  -0.0455   0.7222   0.5909
  -2.750  -0.0729   0.04324   0.03254  -0.0436   0.7163   0.5979
  -2.500  -0.0819   0.04289   0.03216  -0.0402   0.7076   0.6061
  -2.250  -0.0553   0.04295   0.03216  -0.0397   0.7033   0.6102
  -2.000  -0.0282   0.04264   0.03175  -0.0397   0.7002   0.6161
  -1.750  -0.0503   0.04261   0.03171  -0.0353   0.6896   0.6251
  -1.500  -0.0271   0.04275   0.03182  -0.0344   0.6849   0.6289
  -1.250   0.0010   0.04258   0.03158  -0.0343   0.6816   0.6338
  -1.000  -0.0078   0.04292   0.03191  -0.0311   0.6729   0.6409
  -0.750   0.0028   0.04295   0.03190  -0.0299   0.6670   0.6469
  -0.500   0.0287   0.04296   0.03188  -0.0295   0.6635   0.6511
  -0.250   0.0588   0.04272   0.03157  -0.0299   0.6608   0.6565
   0.000   0.0370   0.04358   0.03244  -0.0260   0.6493   0.6639
   0.250   0.0594   0.04366   0.03250  -0.0254   0.6452   0.6683
   0.500   0.0881   0.04365   0.03246  -0.0255   0.6426   0.6729
   1.000   0.0922   0.04507   0.03385  -0.0225   0.6278   0.6860
   1.250   0.1174   0.04517   0.03396  -0.0220   0.6245   0.6898
   1.500   0.1484   0.04508   0.03385  -0.0222   0.6221   0.6949
   2.000   0.1545   0.04725   0.03603  -0.0199   0.6074   0.7077
   2.250   0.1805   0.04735   0.03614  -0.0195   0.6044   0.7124
   2.750   0.1969   0.04951   0.03831  -0.0183   0.5911   0.7252
   3.000   0.2198   0.04983   0.03866  -0.0179   0.5872   0.7305
   3.250   0.2485   0.04989   0.03874  -0.0179   0.5845   0.7364
   3.500   0.2438   0.05179   0.04066  -0.0168   0.5754   0.7433
   3.750   0.2630   0.05242   0.04131  -0.0167   0.5704   0.7494
   4.000   0.2887   0.05264   0.04158  -0.0164   0.5670   0.7555
   4.250   0.3221   0.05263   0.04157  -0.0173   0.5646   0.7631
   4.500   0.3070   0.05513   0.04414  -0.0154   0.5536   0.7694
   4.750   0.3303   0.05551   0.04456  -0.0151   0.5496   0.7762
   5.000   0.3625   0.05563   0.04470  -0.0159   0.5467   0.7844
   5.250   0.3514   0.05794   0.04710  -0.0141   0.5367   0.7908
   5.500   0.3729   0.05848   0.04769  -0.0139   0.5319   0.7987
   5.750   0.4027   0.05862   0.04789  -0.0142   0.5287   0.8071
   6.000   0.3953   0.06084   0.05019  -0.0127   0.5191   0.8146
   6.250   0.4169   0.06152   0.05093  -0.0129   0.5138   0.8239
   6.500   0.4432   0.06156   0.05104  -0.0123   0.5104   0.8328
   6.750   0.4385   0.06393   0.05350  -0.0117   0.5004   0.8421
   7.000   0.4570   0.06444   0.05410  -0.0109   0.4951   0.8520
   7.250   0.4859   0.06438   0.05412  -0.0106   0.4918   0.8633
   7.500   0.4765   0.06697   0.05680  -0.0096   0.4808   0.8746
   7.750   0.4992   0.06719   0.05714  -0.0090   0.4760   0.8881
   8.000   0.5302   0.06690   0.05696  -0.0088   0.4730   0.9035
   8.250   0.5199   0.06983   0.06000  -0.0084   0.4606   0.9198
   8.500   0.5557   0.06966   0.05998  -0.0095   0.4564   0.9435
   8.750   0.5552   0.07222   0.06266  -0.0108   0.4443   1.0000
   9.000   0.5910   0.07239   0.06287  -0.0124   0.4395   1.0000
   9.250   0.5942   0.07516   0.06570  -0.0137   0.4280   1.0000
   9.500   0.6266   0.07544   0.06604  -0.0150   0.4224   1.0000
  10.000   0.6611   0.07838   0.06909  -0.0170   0.4051   1.0000
  10.500   0.6939   0.08132   0.07215  -0.0186   0.3875   1.0000
  11.000   0.7259   0.08413   0.07510  -0.0198   0.3698   1.0000
  11.250   0.7262   0.08724   0.07828  -0.0206   0.3575   1.0000
  11.500   0.7579   0.08672   0.07784  -0.0207   0.3521   1.0000
  11.750   0.7563   0.09010   0.08128  -0.0216   0.3392   1.0000
  12.000   0.7916   0.08887   0.08014  -0.0213   0.3345   1.0000
  12.250   0.7875   0.09264   0.08398  -0.0223   0.3211   1.0000
  12.500   0.8226   0.09115   0.08257  -0.0218   0.3165   1.0000
  12.750   0.8197   0.09482   0.08634  -0.0227   0.3032   1.0000
  13.250   0.8525   0.09665   0.08832  -0.0230   0.2855   1.0000
  13.750   0.8866   0.09805   0.08988  -0.0231   0.2680   1.0000
  14.000   0.8799   0.10267   0.09458  -0.0245   0.2547   1.0000
  14.250   0.9253   0.09860   0.09057  -0.0228   0.2505   1.0000
  14.500   0.9150   0.10383   0.09587  -0.0245   0.2370   1.0000
  15.000   0.9569   0.10366   0.09580  -0.0240   0.2193   1.0000
  15.250   0.9473   0.10896   0.10117  -0.0259   0.2070   1.0000
  15.500   0.9673   0.10902   0.10124  -0.0257   0.1981   1.0000
  15.750   0.9889   0.10876   0.10098  -0.0254   0.1887   1.0000
  16.000   0.9799   0.11409   0.10639  -0.0275   0.1781   1.0000
  16.250   1.0094   0.11237   0.10457  -0.0265   0.1699   1.0000
  16.500   1.0044   0.11701   0.10929  -0.0284   0.1604   1.0000
  16.750   1.0032   0.12106   0.11339  -0.0301   0.1520   1.0000
  17.000   1.0257   0.12058   0.11283  -0.0296   0.1445   1.0000
  17.250   1.0020   0.12913   0.12157  -0.0337   0.1369   1.0000
  17.500   1.0335   0.12683   0.11911  -0.0324   0.1306   1.0000
  17.750   0.9903   0.13965   0.13222  -0.0389   0.1239   1.0000
  18.000   1.0189   0.13776   0.13023  -0.0378   0.1188   1.0000
  18.250   0.9607   0.15487   0.14757  -0.0471   0.1121   1.0000
  18.500   0.9741   0.15618   0.14889  -0.0479   0.1080   1.0000
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