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CLARK X AIRFOIL (clarkx-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: CLARK X AIRFOIL (clarkx-il)
Reynolds number: 500,000
Max Cl/Cd: 103.69 at α=4.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-clarkx-il-500000.txt
Download as CSV file: xf-clarkx-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: CLARK X AIRFOIL                                 
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -12.000  -0.8243   0.04031   0.03732  -0.0811   1.0000   0.0266
 -11.750  -0.8299   0.03906   0.03601  -0.0782   1.0000   0.0269
 -11.500  -0.8366   0.03782   0.03470  -0.0747   1.0000   0.0272
 -11.250  -0.8422   0.03657   0.03335  -0.0711   1.0000   0.0276
 -11.000  -0.8469   0.03514   0.03180  -0.0676   1.0000   0.0280
 -10.750  -0.8294   0.03249   0.02884  -0.0692   0.9976   0.0290
 -10.500  -0.8039   0.03012   0.02608  -0.0715   0.9948   0.0300
 -10.250  -0.7823   0.02715   0.02279  -0.0733   0.9917   0.0312
 -10.000  -0.7505   0.02674   0.02241  -0.0749   0.9890   0.0320
  -9.750  -0.7182   0.02614   0.02174  -0.0766   0.9866   0.0330
  -9.500  -0.6861   0.02506   0.02050  -0.0786   0.9846   0.0342
  -9.250  -0.6530   0.02393   0.01914  -0.0806   0.9830   0.0355
  -9.000  -0.6249   0.02337   0.01836  -0.0811   0.9784   0.0363
  -8.750  -0.5982   0.02088   0.01568  -0.0825   0.9752   0.0377
  -8.500  -0.5637   0.02031   0.01509  -0.0844   0.9733   0.0388
  -8.250  -0.5280   0.01974   0.01443  -0.0864   0.9719   0.0401
  -8.000  -0.4927   0.01891   0.01348  -0.0884   0.9705   0.0414
  -7.750  -0.4658   0.01820   0.01262  -0.0884   0.9649   0.0424
  -7.500  -0.4335   0.01780   0.01209  -0.0894   0.9612   0.0433
  -7.250  -0.4040   0.01606   0.01022  -0.0904   0.9581   0.0449
  -7.000  -0.3748   0.01545   0.00958  -0.0908   0.9538   0.0461
  -6.750  -0.3480   0.01496   0.00906  -0.0906   0.9474   0.0473
  -6.500  -0.3184   0.01451   0.00854  -0.0910   0.9429   0.0489
  -6.250  -0.2922   0.01408   0.00803  -0.0906   0.9363   0.0502
  -6.000  -0.2652   0.01367   0.00754  -0.0903   0.9298   0.0513
  -5.750  -0.2393   0.01289   0.00668  -0.0899   0.9238   0.0528
  -5.500  -0.2146   0.01233   0.00611  -0.0893   0.9159   0.0548
  -5.250  -0.1872   0.01202   0.00577  -0.0891   0.9100   0.0569
  -5.000  -0.1615   0.01175   0.00546  -0.0886   0.9015   0.0592
  -4.750  -0.1340   0.01150   0.00512  -0.0883   0.8951   0.0612
  -4.500  -0.1092   0.01096   0.00456  -0.0877   0.8865   0.0643
  -4.250  -0.0821   0.01066   0.00425  -0.0874   0.8796   0.0676
  -4.000  -0.0556   0.01046   0.00401  -0.0870   0.8711   0.0712
  -3.750  -0.0285   0.01017   0.00366  -0.0867   0.8639   0.0756
  -3.500  -0.0021   0.00992   0.00343  -0.0864   0.8552   0.0811
  -3.250   0.0256   0.00978   0.00320  -0.0862   0.8480   0.0858
  -3.000   0.0519   0.00949   0.00296  -0.0859   0.8391   0.0945
  -2.750   0.0792   0.00930   0.00275  -0.0857   0.8316   0.1050
  -2.500   0.1060   0.00909   0.00261  -0.0854   0.8226   0.1213
  -2.250   0.1331   0.00889   0.00245  -0.0852   0.8147   0.1474
  -2.000   0.1593   0.00859   0.00232  -0.0849   0.8055   0.1909
  -1.750   0.1856   0.00831   0.00226  -0.0846   0.7968   0.2641
  -1.500   0.2124   0.00815   0.00219  -0.0844   0.7875   0.3093
  -1.250   0.2391   0.00800   0.00213  -0.0841   0.7778   0.3488
  -1.000   0.2657   0.00783   0.00206  -0.0838   0.7691   0.3961
  -0.750   0.2913   0.00754   0.00204  -0.0834   0.7594   0.4783
  -0.500   0.3154   0.00716   0.00203  -0.0827   0.7508   0.6015
  -0.250   0.3377   0.00676   0.00207  -0.0813   0.7415   0.7362
   0.000   0.3595   0.00650   0.00215  -0.0795   0.7326   0.8565
   0.250   0.3897   0.00648   0.00221  -0.0794   0.7236   0.9302
   0.500   0.4305   0.00654   0.00225  -0.0818   0.7136   0.9699
   0.750   0.4814   0.00662   0.00226  -0.0866   0.7037   0.9900
   1.000   0.5286   0.00668   0.00223  -0.0908   0.6928   0.9994
   1.250   0.5552   0.00673   0.00223  -0.0906   0.6807   1.0000
   1.500   0.5796   0.00680   0.00223  -0.0898   0.6672   1.0000
   1.750   0.6040   0.00688   0.00224  -0.0891   0.6532   1.0000
   2.000   0.6285   0.00697   0.00226  -0.0883   0.6406   1.0000
   2.250   0.6528   0.00708   0.00230  -0.0876   0.6280   1.0000
   2.500   0.6773   0.00718   0.00235  -0.0869   0.6152   1.0000
   2.750   0.7018   0.00728   0.00241  -0.0861   0.6023   1.0000
   3.000   0.7261   0.00740   0.00249  -0.0854   0.5889   1.0000
   3.250   0.7502   0.00754   0.00257  -0.0845   0.5746   1.0000
   3.500   0.7741   0.00769   0.00266  -0.0837   0.5594   1.0000
   3.750   0.7980   0.00785   0.00277  -0.0829   0.5439   1.0000
   4.000   0.8220   0.00802   0.00289  -0.0821   0.5285   1.0000
   4.250   0.8460   0.00821   0.00302  -0.0813   0.5124   1.0000
   4.500   0.8700   0.00841   0.00316  -0.0805   0.4958   1.0000
   4.750   0.8938   0.00862   0.00333  -0.0797   0.4785   1.0000
   5.000   0.9175   0.00886   0.00350  -0.0789   0.4605   1.0000
   5.250   0.9408   0.00912   0.00369  -0.0781   0.4416   1.0000
   5.500   0.9643   0.00938   0.00390  -0.0773   0.4209   1.0000
   5.750   0.9864   0.00974   0.00414  -0.0762   0.3959   1.0000
   6.000   1.0083   0.01011   0.00439  -0.0752   0.3677   1.0000
   6.250   1.0303   0.01050   0.00467  -0.0742   0.3419   1.0000
   6.500   1.0518   0.01092   0.00497  -0.0732   0.3178   1.0000
   6.750   1.0741   0.01129   0.00527  -0.0723   0.2958   1.0000
   7.000   1.0958   0.01171   0.00559  -0.0713   0.2749   1.0000
   7.250   1.1175   0.01213   0.00594  -0.0704   0.2537   1.0000
   7.500   1.1385   0.01258   0.00630  -0.0693   0.2318   1.0000
   7.750   1.1590   0.01307   0.00669  -0.0682   0.2110   1.0000
   8.000   1.1795   0.01355   0.00711  -0.0671   0.1915   1.0000
   8.250   1.1982   0.01415   0.00758  -0.0658   0.1697   1.0000
   8.500   1.2151   0.01486   0.00813  -0.0642   0.1379   1.0000
   8.750   1.2179   0.01652   0.00927  -0.0606   0.0646   1.0000
   9.000   1.2241   0.01777   0.01032  -0.0573   0.0388   1.0000
   9.250   1.2363   0.01864   0.01119  -0.0549   0.0333   1.0000
   9.500   1.2504   0.01939   0.01200  -0.0529   0.0304   1.0000
   9.750   1.2631   0.02024   0.01289  -0.0508   0.0282   1.0000
  10.000   1.2720   0.02135   0.01405  -0.0483   0.0262   1.0000
  10.250   1.2859   0.02214   0.01490  -0.0466   0.0249   1.0000
  10.500   1.2979   0.02306   0.01590  -0.0447   0.0237   1.0000
  10.750   1.3071   0.02420   0.01709  -0.0427   0.0227   1.0000
  11.000   1.3093   0.02588   0.01883  -0.0401   0.0218   1.0000
  11.250   1.3167   0.02725   0.02028  -0.0381   0.0212   1.0000
  11.500   1.3260   0.02852   0.02164  -0.0365   0.0206   1.0000
  11.750   1.3340   0.02994   0.02314  -0.0350   0.0200   1.0000
  12.000   1.3412   0.03146   0.02474  -0.0335   0.0193   1.0000
  12.250   1.3473   0.03313   0.02647  -0.0322   0.0187   1.0000
  12.500   1.3507   0.03509   0.02848  -0.0308   0.0182   1.0000
  12.750   1.3480   0.03768   0.03114  -0.0292   0.0177   1.0000
  13.000   1.3470   0.04019   0.03374  -0.0279   0.0173   1.0000
  13.250   1.3525   0.04216   0.03582  -0.0270   0.0170   1.0000
  13.500   1.3564   0.04434   0.03810  -0.0262   0.0167   1.0000
  13.750   1.3593   0.04665   0.04050  -0.0254   0.0164   1.0000
  14.000   1.3615   0.04908   0.04303  -0.0248   0.0161   1.0000
  14.250   1.3635   0.05160   0.04564  -0.0243   0.0158   1.0000
  14.500   1.3651   0.05423   0.04835  -0.0239   0.0155   1.0000
  14.750   1.3663   0.05695   0.05115  -0.0236   0.0152   1.0000
  15.000   1.3672   0.05975   0.05403  -0.0234   0.0149   1.0000
  15.250   1.3676   0.06265   0.05699  -0.0233   0.0147   1.0000
  15.500   1.3675   0.06560   0.06000  -0.0231   0.0145   1.0000
  15.750   1.3664   0.06845   0.06289  -0.0222   0.0141   1.0000
  16.000   1.3648   0.07165   0.06622  -0.0219   0.0139   1.0000
  16.250   1.3630   0.07524   0.06995  -0.0227   0.0138   1.0000
  16.500   1.3606   0.07893   0.07379  -0.0235   0.0136   1.0000
  16.750   1.3574   0.08278   0.07778  -0.0243   0.0134   1.0000
  17.000   1.3535   0.08677   0.08190  -0.0253   0.0132   1.0000
  17.250   1.3490   0.09093   0.08620  -0.0264   0.0130   1.0000
  17.500   1.3437   0.09529   0.09070  -0.0277   0.0129   1.0000
  17.750   1.3376   0.09984   0.09538  -0.0291   0.0128   1.0000
  18.000   1.3306   0.10461   0.10029  -0.0309   0.0126   1.0000
  18.250   1.3230   0.10962   0.10543  -0.0329   0.0125   1.0000
  18.500   1.3147   0.11486   0.11082  -0.0351   0.0124   1.0000
  18.750   1.3056   0.12036   0.11645  -0.0377   0.0124   1.0000
  19.000   1.2958   0.12611   0.12234  -0.0406   0.0123   1.0000
  19.250   1.2847   0.13227   0.12866  -0.0439   0.0122   1.0000
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