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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 500,000
Max Cl/Cd: 93.29 at α=6.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4418-il-500000.txt
Download as CSV file: xf-naca4418-il-500000.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 =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.8571   0.10162   0.09783  -0.0756   1.0000   0.0409
 -19.000  -0.8889   0.09283   0.08886  -0.0809   1.0000   0.0411
 -18.750  -0.9114   0.08582   0.08169  -0.0852   1.0000   0.0413
 -18.500  -0.9300   0.07965   0.07537  -0.0889   1.0000   0.0415
 -18.250  -0.9460   0.07398   0.06956  -0.0923   1.0000   0.0417
 -18.000  -0.9595   0.06890   0.06436  -0.0952   1.0000   0.0418
 -17.750  -0.9637   0.06570   0.06113  -0.0963   1.0000   0.0422
 -17.500  -0.9686   0.06234   0.05774  -0.0976   1.0000   0.0425
 -17.250  -0.9745   0.05884   0.05420  -0.0991   1.0000   0.0428
 -17.000  -0.9811   0.05528   0.05059  -0.1006   1.0000   0.0431
 -16.750  -0.9884   0.05178   0.04702  -0.1019   1.0000   0.0434
 -16.500  -0.9964   0.04842   0.04359  -0.1029   1.0000   0.0437
 -16.250  -1.0049   0.04523   0.04034  -0.1036   1.0000   0.0441
 -16.000  -1.0145   0.04228   0.03731  -0.1037   1.0000   0.0444
 -15.750  -1.0255   0.03962   0.03457  -0.1031   1.0000   0.0447
 -15.500  -1.0386   0.03725   0.03212  -0.1017   1.0000   0.0449
 -15.250  -1.0540   0.03518   0.02997  -0.0994   1.0000   0.0452
 -15.000  -1.0717   0.03342   0.02813  -0.0962   1.0000   0.0454
 -14.750  -1.0886   0.03191   0.02653  -0.0926   0.9998   0.0456
 -14.500  -1.0702   0.03022   0.02471  -0.0946   0.9971   0.0461
 -14.250  -1.0530   0.02856   0.02298  -0.0962   0.9941   0.0468
 -14.000  -1.0360   0.02722   0.02161  -0.0970   0.9908   0.0475
 -13.750  -1.0175   0.02621   0.02056  -0.0972   0.9864   0.0482
 -13.500  -0.9911   0.02526   0.01955  -0.0985   0.9835   0.0492
 -13.250  -0.9610   0.02435   0.01857  -0.1002   0.9816   0.0503
 -13.000  -0.9338   0.02356   0.01766  -0.1012   0.9786   0.0514
 -12.750  -0.9127   0.02257   0.01670  -0.1012   0.9737   0.0526
 -12.500  -0.8826   0.02185   0.01595  -0.1025   0.9712   0.0540
 -12.250  -0.8496   0.02115   0.01520  -0.1043   0.9695   0.0556
 -12.000  -0.8163   0.02035   0.01435  -0.1062   0.9683   0.0574
 -11.750  -0.7813   0.01967   0.01368  -0.1083   0.9672   0.0594
 -11.500  -0.7614   0.01923   0.01318  -0.1071   0.9603   0.0613
 -11.250  -0.7309   0.01856   0.01249  -0.1081   0.9574   0.0636
 -11.000  -0.6980   0.01805   0.01197  -0.1094   0.9551   0.0663
 -10.750  -0.6650   0.01753   0.01140  -0.1107   0.9531   0.0693
 -10.500  -0.6448   0.01713   0.01102  -0.1094   0.9458   0.0717
 -10.250  -0.6157   0.01678   0.01060  -0.1097   0.9416   0.0746
 -10.000  -0.5872   0.01622   0.01005  -0.1100   0.9382   0.0774
  -9.750  -0.5637   0.01593   0.00973  -0.1092   0.9320   0.0800
  -9.500  -0.5369   0.01567   0.00939  -0.1089   0.9263   0.0826
  -9.250  -0.5108   0.01512   0.00887  -0.1087   0.9218   0.0855
  -9.000  -0.4858   0.01486   0.00859  -0.1081   0.9154   0.0882
  -8.750  -0.4593   0.01464   0.00829  -0.1078   0.9090   0.0907
  -8.500  -0.4333   0.01414   0.00781  -0.1075   0.9038   0.0938
  -8.250  -0.4083   0.01390   0.00754  -0.1069   0.8965   0.0965
  -8.000  -0.3815   0.01367   0.00725  -0.1065   0.8897   0.0991
  -7.750  -0.3546   0.01326   0.00682  -0.1063   0.8838   0.1021
  -7.500  -0.3300   0.01299   0.00656  -0.1057   0.8756   0.1051
  -7.250  -0.3024   0.01277   0.00627  -0.1055   0.8687   0.1082
  -7.000  -0.2763   0.01248   0.00596  -0.1051   0.8613   0.1115
  -6.750  -0.2504   0.01220   0.00568  -0.1046   0.8530   0.1152
  -6.500  -0.2221   0.01201   0.00543  -0.1046   0.8460   0.1191
  -6.250  -0.1969   0.01174   0.00518  -0.1040   0.8370   0.1240
  -6.000  -0.1692   0.01155   0.00496  -0.1038   0.8292   0.1297
  -5.750  -0.1430   0.01132   0.00474  -0.1034   0.8206   0.1355
  -5.500  -0.1159   0.01113   0.00453  -0.1032   0.8119   0.1424
  -5.250  -0.0891   0.01093   0.00435  -0.1029   0.8032   0.1510
  -5.000  -0.0622   0.01076   0.00419  -0.1026   0.7940   0.1612
  -4.750  -0.0347   0.01064   0.00405  -0.1023   0.7854   0.1730
  -4.500  -0.0077   0.01050   0.00394  -0.1020   0.7755   0.1853
  -4.250   0.0195   0.01037   0.00380  -0.1018   0.7665   0.1968
  -4.000   0.0467   0.01028   0.00369  -0.1015   0.7565   0.2069
  -3.750   0.0738   0.01018   0.00358  -0.1013   0.7473   0.2177
  -3.500   0.1007   0.01007   0.00348  -0.1010   0.7368   0.2280
  -3.250   0.1279   0.01001   0.00339  -0.1007   0.7272   0.2385
  -3.000   0.1548   0.00991   0.00332  -0.1004   0.7167   0.2501
  -2.750   0.1819   0.00987   0.00326  -0.1001   0.7069   0.2626
  -2.500   0.2089   0.00983   0.00322  -0.0998   0.6961   0.2767
  -2.250   0.2358   0.00978   0.00318  -0.0995   0.6862   0.2914
  -2.000   0.2627   0.00974   0.00315  -0.0992   0.6757   0.3058
  -1.750   0.2897   0.00973   0.00311  -0.0989   0.6657   0.3207
  -1.500   0.3162   0.00968   0.00309  -0.0985   0.6552   0.3374
  -1.250   0.3428   0.00965   0.00307  -0.0982   0.6456   0.3540
  -1.000   0.3693   0.00961   0.00306  -0.0979   0.6355   0.3726
  -0.750   0.3957   0.00958   0.00306  -0.0975   0.6261   0.3954
  -0.500   0.4218   0.00951   0.00307  -0.0971   0.6165   0.4267
  -0.250   0.4474   0.00943   0.00310  -0.0966   0.6078   0.4734
   0.000   0.4728   0.00930   0.00316  -0.0961   0.5986   0.5287
   0.250   0.4980   0.00927   0.00322  -0.0955   0.5900   0.5788
   0.500   0.5239   0.00919   0.00328  -0.0950   0.5817   0.6238
   0.750   0.5490   0.00918   0.00335  -0.0944   0.5733   0.6664
   1.000   0.5743   0.00914   0.00345  -0.0937   0.5656   0.7100
   1.250   0.5991   0.00912   0.00354  -0.0929   0.5576   0.7552
   1.500   0.6232   0.00915   0.00365  -0.0919   0.5502   0.7997
   1.750   0.6474   0.00913   0.00377  -0.0909   0.5428   0.8432
   2.000   0.6706   0.00920   0.00390  -0.0895   0.5355   0.8860
   2.250   0.6962   0.00932   0.00406  -0.0887   0.5286   0.9232
   2.500   0.7263   0.00945   0.00419  -0.0889   0.5211   0.9510
   2.750   0.7625   0.00966   0.00433  -0.0906   0.5136   0.9705
   3.000   0.8022   0.00982   0.00448  -0.0931   0.5063   0.9837
   3.250   0.8456   0.01003   0.00463  -0.0964   0.4981   0.9927
   3.500   0.8891   0.01024   0.00478  -0.0999   0.4899   0.9982
   3.750   0.9157   0.01034   0.00487  -0.0998   0.4819   1.0000
   4.000   0.9323   0.01050   0.00494  -0.0976   0.4747   1.0000
   4.250   0.9513   0.01060   0.00504  -0.0958   0.4682   1.0000
   4.500   0.9702   0.01072   0.00514  -0.0940   0.4614   1.0000
   4.750   0.9886   0.01091   0.00526  -0.0922   0.4549   1.0000
   5.000   1.0097   0.01102   0.00539  -0.0908   0.4487   1.0000
   5.250   1.0304   0.01118   0.00552  -0.0895   0.4418   1.0000
   5.500   1.0503   0.01142   0.00569  -0.0879   0.4352   1.0000
   5.750   1.0726   0.01154   0.00585  -0.0869   0.4289   1.0000
   6.000   1.0926   0.01173   0.00601  -0.0854   0.4219   1.0000
   6.250   1.1114   0.01198   0.00621  -0.0837   0.4154   1.0000
   6.500   1.1326   0.01214   0.00640  -0.0825   0.4087   1.0000
   6.750   1.1519   0.01239   0.00662  -0.0810   0.4015   1.0000
   7.000   1.1720   0.01265   0.00687  -0.0796   0.3947   1.0000
   7.250   1.1925   0.01289   0.00711  -0.0784   0.3869   1.0000
   7.500   1.2105   0.01323   0.00740  -0.0767   0.3785   1.0000
   7.750   1.2311   0.01349   0.00768  -0.0756   0.3698   1.0000
   8.000   1.2483   0.01390   0.00802  -0.0739   0.3614   1.0000
   8.250   1.2693   0.01417   0.00833  -0.0729   0.3531   1.0000
   8.750   1.3047   0.01500   0.00912  -0.0699   0.3331   1.0000
   9.000   1.3207   0.01551   0.00958  -0.0682   0.3217   1.0000
   9.250   1.3357   0.01609   0.01011  -0.0665   0.3100   1.0000
   9.500   1.3534   0.01657   0.01060  -0.0652   0.2998   1.0000
   9.750   1.3680   0.01721   0.01120  -0.0635   0.2900   1.0000
  10.000   1.3839   0.01782   0.01180  -0.0620   0.2797   1.0000
  10.250   1.3985   0.01851   0.01247  -0.0605   0.2697   1.0000
  10.500   1.4103   0.01937   0.01327  -0.0586   0.2591   1.0000
  10.750   1.4248   0.02011   0.01402  -0.0572   0.2485   1.0000
  11.000   1.4365   0.02104   0.01492  -0.0555   0.2383   1.0000
  11.250   1.4463   0.02209   0.01594  -0.0537   0.2278   1.0000
  11.500   1.4587   0.02304   0.01688  -0.0523   0.2182   1.0000
  11.750   1.4675   0.02424   0.01805  -0.0505   0.2091   1.0000
  12.000   1.4772   0.02542   0.01923  -0.0490   0.2000   1.0000
  12.250   1.4863   0.02667   0.02047  -0.0475   0.1919   1.0000
  12.500   1.4928   0.02814   0.02192  -0.0459   0.1836   1.0000
  12.750   1.5016   0.02950   0.02330  -0.0446   0.1761   1.0000
  13.000   1.5058   0.03125   0.02504  -0.0430   0.1684   1.0000
  13.250   1.5143   0.03272   0.02652  -0.0419   0.1611   1.0000
  13.500   1.5170   0.03471   0.02850  -0.0405   0.1541   1.0000
  13.750   1.5236   0.03644   0.03026  -0.0395   0.1468   1.0000
  14.000   1.5263   0.03857   0.03239  -0.0384   0.1401   1.0000
  14.250   1.5296   0.04068   0.03452  -0.0374   0.1329   1.0000
  14.500   1.5316   0.04297   0.03683  -0.0365   0.1262   1.0000
  14.750   1.5302   0.04567   0.03952  -0.0356   0.1194   1.0000
  15.000   1.5315   0.04816   0.04205  -0.0349   0.1127   1.0000
  15.250   1.5289   0.05110   0.04500  -0.0342   0.1067   1.0000
  15.500   1.5259   0.05414   0.04806  -0.0337   0.1007   1.0000
  15.750   1.5232   0.05723   0.05118  -0.0333   0.0953   1.0000
  16.000   1.5166   0.06081   0.05476  -0.0329   0.0905   1.0000
  16.250   1.5136   0.06403   0.05804  -0.0327   0.0860   1.0000
  16.500   1.5050   0.06795   0.06198  -0.0326   0.0821   1.0000
  16.750   1.5016   0.07135   0.06544  -0.0326   0.0785   1.0000
  17.000   1.4937   0.07533   0.06945  -0.0328   0.0753   1.0000
  17.250   1.4882   0.07902   0.07320  -0.0329   0.0725   1.0000
  17.500   1.4828   0.08277   0.07701  -0.0333   0.0699   1.0000
  17.750   1.4736   0.08706   0.08133  -0.0337   0.0678   1.0000
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