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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=100,000 Ncrit=9


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 100,000
Max Cl/Cd: 43.3 at α=10°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4418-il-100000.txt
Download as CSV file: xf-naca4418-il-100000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -10.250  -0.6440   0.07629   0.07104  -0.0563   1.0000   0.1198
 -10.000  -0.6841   0.07280   0.06755  -0.0528   1.0000   0.1193
  -9.750  -0.7313   0.06733   0.06195  -0.0502   1.0000   0.1185
  -9.500  -0.7784   0.06061   0.05490  -0.0478   1.0000   0.1180
  -9.250  -0.8042   0.05287   0.04645  -0.0481   0.9971   0.1190
  -9.000  -0.7860   0.04826   0.04137  -0.0511   0.9908   0.1218
  -8.750  -0.7465   0.04809   0.04135  -0.0537   0.9841   0.1256
  -8.500  -0.7277   0.04415   0.03671  -0.0559   0.9771   0.1305
  -8.250  -0.6965   0.04242   0.03487  -0.0581   0.9702   0.1346
  -8.000  -0.6637   0.04153   0.03392  -0.0600   0.9630   0.1397
  -7.750  -0.6357   0.03930   0.03120  -0.0618   0.9558   0.1454
  -7.500  -0.6012   0.03901   0.03106  -0.0635   0.9486   0.1506
  -7.250  -0.5716   0.03747   0.02896  -0.0650   0.9408   0.1574
  -7.000  -0.5336   0.03698   0.02870  -0.0673   0.9347   0.1631
  -6.750  -0.5064   0.03611   0.02756  -0.0679   0.9257   0.1697
  -6.500  -0.4633   0.03520   0.02664  -0.0711   0.9209   0.1765
  -6.250  -0.4415   0.03468   0.02602  -0.0705   0.9105   0.1825
  -6.000  -0.4010   0.03362   0.02477  -0.0731   0.9049   0.1901
  -5.750  -0.3745   0.03320   0.02437  -0.0732   0.8958   0.1966
  -5.500  -0.3382   0.03235   0.02325  -0.0750   0.8889   0.2050
  -5.250  -0.2920   0.03159   0.02261  -0.0783   0.8850   0.2144
  -5.000  -0.2743   0.03121   0.02200  -0.0767   0.8731   0.2221
  -4.750  -0.2312   0.03045   0.02141  -0.0794   0.8683   0.2331
  -4.500  -0.2064   0.03004   0.02095  -0.0790   0.8587   0.2434
  -4.250  -0.1699   0.02957   0.02043  -0.0804   0.8517   0.2577
  -4.000  -0.1230   0.02885   0.01979  -0.0835   0.8482   0.2753
  -3.750  -0.1072   0.02876   0.01980  -0.0816   0.8360   0.2872
  -3.500  -0.0644   0.02809   0.01917  -0.0839   0.8313   0.3076
  -3.250  -0.0155   0.02726   0.01839  -0.0872   0.8286   0.3306
  -3.000  -0.0033   0.02735   0.01847  -0.0846   0.8154   0.3453
  -2.750   0.0422   0.02654   0.01775  -0.0872   0.8118   0.3687
  -2.500   0.0882   0.02566   0.01698  -0.0897   0.8089   0.3941
  -2.250   0.1013   0.02582   0.01721  -0.0873   0.7958   0.4122
  -2.000   0.1430   0.02502   0.01655  -0.0890   0.7917   0.4416
  -1.750   0.1873   0.02414   0.01582  -0.0911   0.7888   0.4773
  -1.500   0.1983   0.02441   0.01626  -0.0882   0.7754   0.5040
  -1.250   0.2385   0.02360   0.01565  -0.0894   0.7713   0.5497
  -1.000   0.2575   0.02361   0.01588  -0.0876   0.7612   0.5919
  -0.750   0.2882   0.02310   0.01560  -0.0871   0.7544   0.6512
  -0.500   0.3254   0.02231   0.01509  -0.0871   0.7505   0.7237
  -0.250   0.3356   0.02266   0.01566  -0.0831   0.7389   0.7874
   0.000   0.3721   0.02229   0.01541  -0.0826   0.7334   0.8589
   0.250   0.4349   0.02184   0.01488  -0.0871   0.7297   0.9174
   0.500   0.4863   0.02233   0.01533  -0.0914   0.7184   0.9577
   0.750   0.5731   0.02187   0.01468  -0.1019   0.7126   0.9804
   1.000   0.6527   0.02173   0.01442  -0.1120   0.7037   1.0000
   1.250   0.6634   0.02176   0.01435  -0.1095   0.6946   1.0000
   1.500   0.6890   0.02159   0.01402  -0.1092   0.6882   1.0000
   1.750   0.6886   0.02213   0.01455  -0.1048   0.6772   1.0000
   2.000   0.7207   0.02191   0.01417  -0.1053   0.6710   1.0000
   2.250   0.7237   0.02255   0.01481  -0.1013   0.6608   1.0000
   2.500   0.7511   0.02253   0.01467  -0.1010   0.6536   1.0000
   2.750   0.7714   0.02281   0.01489  -0.0996   0.6459   1.0000
   3.000   0.7859   0.02322   0.01526  -0.0973   0.6368   1.0000
   3.250   0.8235   0.02305   0.01494  -0.0986   0.6310   1.0000
   3.500   0.8271   0.02387   0.01581  -0.0947   0.6209   1.0000
   3.750   0.8578   0.02388   0.01573  -0.0949   0.6139   1.0000
   4.000   0.8797   0.02427   0.01608  -0.0938   0.6063   1.0000
   4.250   0.8962   0.02474   0.01656  -0.0919   0.5974   1.0000
   4.500   0.9357   0.02459   0.01626  -0.0935   0.5914   1.0000
   4.750   0.9403   0.02550   0.01726  -0.0898   0.5816   1.0000
   5.000   0.9723   0.02551   0.01719  -0.0902   0.5743   1.0000
   5.250   0.9933   0.02598   0.01765  -0.0891   0.5663   1.0000
   5.500   1.0123   0.02639   0.01807  -0.0875   0.5574   1.0000
   5.750   1.0563   0.02613   0.01764  -0.0898   0.5510   1.0000
   6.000   1.0559   0.02714   0.01882  -0.0854   0.5406   1.0000
   6.250   1.0935   0.02698   0.01854  -0.0866   0.5334   1.0000
   6.500   1.1032   0.02779   0.01944  -0.0838   0.5242   1.0000
   6.750   1.1309   0.02792   0.01953  -0.0836   0.5161   1.0000
   7.000   1.1559   0.02829   0.01989  -0.0830   0.5083   1.0000
   7.250   1.1698   0.02886   0.02053  -0.0808   0.4990   1.0000
   7.500   1.2135   0.02865   0.02015  -0.0830   0.4920   1.0000
   7.750   1.2104   0.02974   0.02144  -0.0783   0.4820   1.0000
   8.000   1.2512   0.02949   0.02105  -0.0800   0.4743   1.0000
   8.250   1.2522   0.03051   0.02223  -0.0760   0.4648   1.0000
   8.500   1.2862   0.03039   0.02203  -0.0767   0.4563   1.0000
   8.750   1.2934   0.03121   0.02296  -0.0736   0.4470   1.0000
   9.000   1.3221   0.03120   0.02289  -0.0735   0.4379   1.0000
   9.250   1.3310   0.03191   0.02367  -0.0706   0.4285   1.0000
   9.500   1.3598   0.03181   0.02350  -0.0705   0.4188   1.0000
   9.750   1.3629   0.03261   0.02440  -0.0668   0.4090   1.0000
  10.000   1.3985   0.03230   0.02394  -0.0676   0.3989   1.0000
  10.250   1.3875   0.03340   0.02522  -0.0619   0.3895   1.0000
  10.500   1.4265   0.03307   0.02469  -0.0633   0.3790   1.0000
  10.750   1.4084   0.03437   0.02621  -0.0567   0.3699   1.0000
  11.000   1.4356   0.03434   0.02605  -0.0564   0.3596   1.0000
  11.250   1.4278   0.03549   0.02733  -0.0518   0.3499   1.0000
  11.500   1.4415   0.03596   0.02775  -0.0499   0.3399   1.0000
  11.750   1.4464   0.03672   0.02852  -0.0471   0.3297   1.0000
  12.000   1.4462   0.03789   0.02975  -0.0440   0.3201   1.0000
  12.250   1.4658   0.03810   0.02981  -0.0429   0.3095   1.0000
  12.500   1.4506   0.04015   0.03206  -0.0387   0.3004   1.0000
  12.750   1.4662   0.04066   0.03243  -0.0375   0.2903   1.0000
  13.000   1.4549   0.04274   0.03467  -0.0342   0.2811   1.0000
  13.250   1.4612   0.04392   0.03580  -0.0324   0.2717   1.0000
  13.500   1.4590   0.04567   0.03760  -0.0303   0.2622   1.0000
  13.750   1.4563   0.04765   0.03962  -0.0283   0.2533   1.0000
  14.000   1.4640   0.04885   0.04072  -0.0269   0.2437   1.0000
  14.250   1.4507   0.05182   0.04386  -0.0249   0.2352   1.0000
  14.500   1.4617   0.05289   0.04478  -0.0238   0.2257   1.0000
  14.750   1.4453   0.05637   0.04845  -0.0222   0.2175   1.0000
  15.000   1.4497   0.05814   0.05015  -0.0211   0.2087   1.0000
  15.250   1.4417   0.06114   0.05322  -0.0201   0.2004   1.0000
  15.500   1.4392   0.06379   0.05588  -0.0193   0.1923   1.0000
  15.750   1.4414   0.06593   0.05796  -0.0186   0.1839   1.0000
  16.000   1.4304   0.06967   0.06182  -0.0180   0.1768   1.0000
  16.250   1.4444   0.07066   0.06261  -0.0173   0.1686   1.0000
  16.500   1.4242   0.07566   0.06787  -0.0173   0.1629   1.0000
  16.750   1.4403   0.07642   0.06844  -0.0166   0.1554   1.0000
  17.000   1.4202   0.08164   0.07391  -0.0169   0.1506   1.0000
  17.250   1.4216   0.08426   0.07653  -0.0168   0.1449   1.0000
  17.500   1.4243   0.08685   0.07912  -0.0167   0.1399   1.0000
  17.750   1.4051   0.09231   0.08482  -0.0176   0.1361   1.0000
  18.000   1.4467   0.08992   0.08206  -0.0159   0.1301   1.0000
  18.250   1.4135   0.09724   0.08977  -0.0177   0.1280   1.0000
  18.500   1.3857   0.10428   0.09710  -0.0198   0.1255   1.0000
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