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EPPLER 417 AIRFOIL (e417-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 417 AIRFOIL (e417-il)
Reynolds number: 500,000
Max Cl/Cd: 94.36 at α=2.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e417-il-500000-n5.txt
Download as CSV file: xf-e417-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 417 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.500  -0.5285   0.07987   0.07702  -0.0953   0.9813   0.0071
 -13.250  -0.5488   0.07137   0.06838  -0.1013   0.9797   0.0071
 -13.000  -0.5661   0.06438   0.06119  -0.1063   0.9782   0.0071
 -12.750  -0.5818   0.05837   0.05499  -0.1104   0.9769   0.0071
 -12.500  -0.5914   0.05349   0.04990  -0.1138   0.9757   0.0071
 -12.250  -0.5944   0.04957   0.04579  -0.1168   0.9748   0.0070
 -12.000  -0.6120   0.04610   0.04217  -0.1158   0.9707   0.0071
 -11.750  -0.6191   0.04308   0.03901  -0.1161   0.9677   0.0072
 -11.500  -0.6205   0.04005   0.03575  -0.1170   0.9656   0.0072
 -11.250  -0.6111   0.03815   0.03377  -0.1185   0.9642   0.0074
 -11.000  -0.6050   0.03529   0.03067  -0.1199   0.9629   0.0074
 -10.750  -0.6125   0.03440   0.02973  -0.1162   0.9576   0.0076
 -10.500  -0.6083   0.03285   0.02806  -0.1153   0.9544   0.0077
 -10.250  -0.5983   0.03101   0.02604  -0.1153   0.9523   0.0078
 -10.000  -0.5845   0.02939   0.02426  -0.1155   0.9508   0.0078
  -9.750  -0.5662   0.02767   0.02234  -0.1161   0.9499   0.0079
  -9.500  -0.5762   0.02695   0.02152  -0.1104   0.9426   0.0079
  -9.250  -0.5583   0.02560   0.02002  -0.1102   0.9407   0.0081
  -9.000  -0.5375   0.02438   0.01867  -0.1102   0.9394   0.0081
  -8.750  -0.5149   0.02324   0.01741  -0.1104   0.9384   0.0083
  -8.500  -0.4908   0.02218   0.01625  -0.1108   0.9376   0.0083
  -8.250  -0.4653   0.02122   0.01519  -0.1115   0.9369   0.0086
  -8.000  -0.4668   0.02077   0.01468  -0.1066   0.9308   0.0088
  -7.750  -0.4478   0.02001   0.01385  -0.1059   0.9283   0.0089
  -7.500  -0.4242   0.01922   0.01299  -0.1060   0.9268   0.0092
  -7.250  -0.3992   0.01844   0.01216  -0.1065   0.9256   0.0094
  -7.000  -0.3724   0.01772   0.01137  -0.1074   0.9247   0.0096
  -6.750  -0.3437   0.01707   0.01067  -0.1085   0.9240   0.0098
  -6.500  -0.3144   0.01627   0.00982  -0.1099   0.9234   0.0100
  -6.250  -0.2843   0.01538   0.00889  -0.1117   0.9228   0.0108
  -6.000  -0.2805   0.01521   0.00869  -0.1075   0.9161   0.0110
  -5.750  -0.2528   0.01473   0.00818  -0.1083   0.9144   0.0117
  -5.500  -0.2231   0.01427   0.00767  -0.1094   0.9132   0.0122
  -5.250  -0.1920   0.01384   0.00719  -0.1107   0.9123   0.0127
  -5.000  -0.1601   0.01347   0.00677  -0.1121   0.9115   0.0134
  -4.750  -0.1276   0.01309   0.00635  -0.1135   0.9109   0.0144
  -4.500  -0.0947   0.01274   0.00597  -0.1151   0.9103   0.0165
  -4.250  -0.0604   0.01221   0.00556  -0.1172   0.9098   0.0415
  -4.000  -0.0230   0.01120   0.00501  -0.1207   0.9095   0.1573
  -3.750   0.0178   0.00989   0.00438  -0.1255   0.9093   0.3393
  -3.500   0.0576   0.00906   0.00414  -0.1293   0.9091   0.5066
  -3.250   0.0930   0.00896   0.00414  -0.1311   0.9086   0.5493
  -3.000   0.1028   0.00919   0.00438  -0.1273   0.9015   0.5667
  -2.750   0.1339   0.00919   0.00436  -0.1280   0.8997   0.5810
  -2.500   0.1665   0.00910   0.00426  -0.1291   0.8983   0.5847
  -2.250   0.2003   0.00899   0.00412  -0.1305   0.8972   0.5878
  -2.000   0.2353   0.00886   0.00395  -0.1321   0.8961   0.5908
  -1.750   0.2719   0.00873   0.00378  -0.1341   0.8952   0.5937
  -1.500   0.2915   0.00877   0.00380  -0.1324   0.8902   0.5961
  -1.250   0.3170   0.00872   0.00376  -0.1320   0.8860   0.5982
  -1.000   0.3507   0.00858   0.00362  -0.1333   0.8836   0.6005
  -0.750   0.3871   0.00842   0.00345  -0.1352   0.8817   0.6029
  -0.500   0.4099   0.00840   0.00343  -0.1341   0.8759   0.6053
  -0.250   0.4374   0.00832   0.00333  -0.1341   0.8703   0.6079
   0.000   0.4741   0.00817   0.00316  -0.1360   0.8671   0.6103
   0.250   0.4963   0.00819   0.00322  -0.1349   0.8612   0.6121
   0.500   0.5241   0.00815   0.00321  -0.1350   0.8559   0.6141
   0.750   0.5628   0.00800   0.00307  -0.1373   0.8519   0.6162
   1.000   0.5850   0.00799   0.00308  -0.1361   0.8408   0.6184
   1.250   0.6150   0.00792   0.00300  -0.1366   0.8293   0.6206
   1.500   0.6477   0.00786   0.00293  -0.1376   0.8179   0.6229
   1.750   0.6808   0.00782   0.00287  -0.1388   0.8027   0.6253
   2.000   0.7156   0.00781   0.00280  -0.1403   0.7806   0.6271
   2.250   0.7464   0.00791   0.00280  -0.1409   0.7486   0.6289
   2.500   0.7690   0.00815   0.00288  -0.1398   0.7082   0.6307
   2.750   0.7853   0.00848   0.00303  -0.1373   0.6671   0.6327
   3.000   0.7991   0.00887   0.00324  -0.1344   0.6259   0.6350
   3.250   0.8119   0.00933   0.00349  -0.1314   0.5814   0.6374
   3.500   0.8229   0.00990   0.00381  -0.1280   0.5271   0.6395
   3.750   0.8343   0.01054   0.00416  -0.1249   0.4671   0.6415
   4.000   0.8492   0.01111   0.00451  -0.1226   0.4150   0.6431
   4.250   0.8643   0.01176   0.00490  -0.1204   0.3571   0.6449
   4.500   0.8790   0.01252   0.00533  -0.1182   0.2887   0.6469
   4.750   0.8949   0.01331   0.00579  -0.1164   0.2228   0.6491
   5.000   0.9140   0.01391   0.00619  -0.1150   0.1791   0.6514
   5.250   0.9336   0.01449   0.00659  -0.1138   0.1428   0.6535
   5.500   0.9527   0.01512   0.00703  -0.1125   0.1052   0.6555
   5.750   0.9715   0.01577   0.00752  -0.1112   0.0728   0.6573
   6.000   0.9903   0.01639   0.00802  -0.1098   0.0459   0.6591
   6.250   1.0071   0.01721   0.00867  -0.1082   0.0170   0.6612
   6.500   1.0269   0.01777   0.00922  -0.1069   0.0120   0.6633
   6.750   1.0479   0.01821   0.00972  -0.1059   0.0108   0.6656
   7.000   1.0687   0.01868   0.01025  -0.1049   0.0101   0.6678
   7.250   1.0888   0.01919   0.01081  -0.1037   0.0095   0.6699
   7.500   1.1082   0.01977   0.01145  -0.1025   0.0090   0.6719
   7.750   1.1266   0.02042   0.01218  -0.1011   0.0086   0.6738
   8.000   1.1447   0.02107   0.01292  -0.0997   0.0083   0.6759
   8.250   1.1630   0.02171   0.01365  -0.0983   0.0081   0.6782
   8.500   1.1801   0.02243   0.01445  -0.0968   0.0079   0.6806
   8.750   1.1967   0.02318   0.01528  -0.0952   0.0077   0.6829
   9.000   1.2128   0.02397   0.01615  -0.0936   0.0075   0.6851
   9.250   1.2282   0.02481   0.01705  -0.0919   0.0072   0.6872
   9.500   1.2428   0.02568   0.01803  -0.0902   0.0070   0.6892
   9.750   1.2569   0.02661   0.01904  -0.0884   0.0067   0.6914
  10.000   1.2695   0.02765   0.02017  -0.0865   0.0066   0.6938
  10.250   1.2814   0.02876   0.02137  -0.0846   0.0064   0.6964
  10.500   1.2923   0.02998   0.02268  -0.0826   0.0063   0.6988
  10.750   1.3017   0.03134   0.02412  -0.0805   0.0062   0.7012
  11.000   1.3094   0.03288   0.02577  -0.0782   0.0061   0.7033
  11.250   1.3157   0.03463   0.02765  -0.0760   0.0059   0.7053
  11.500   1.3212   0.03655   0.02970  -0.0737   0.0058   0.7074
  11.750   1.3305   0.03804   0.03131  -0.0720   0.0058   0.7099
  12.000   1.3387   0.03967   0.03307  -0.0703   0.0058   0.7126
  12.250   1.3462   0.04138   0.03493  -0.0686   0.0057   0.7154
  12.750   1.3574   0.04529   0.03914  -0.0653   0.0056   0.7203
  13.000   1.3614   0.04747   0.04148  -0.0637   0.0055   0.7228
  13.250   1.3639   0.04986   0.04404  -0.0622   0.0055   0.7254
  13.500   1.3650   0.05246   0.04683  -0.0609   0.0054   0.7280
  13.750   1.3647   0.05532   0.04986  -0.0598   0.0053   0.7306
  14.250   1.3596   0.06187   0.05678  -0.0582   0.0052   0.7358
  14.500   1.3547   0.06563   0.06074  -0.0578   0.0052   0.7386
  14.750   1.3482   0.06980   0.06511  -0.0579   0.0052   0.7415
  15.000   1.3402   0.07438   0.06988  -0.0584   0.0051   0.7443
  15.250   1.3307   0.07942   0.07513  -0.0595   0.0051   0.7470
  15.500   1.3197   0.08495   0.08085  -0.0611   0.0051   0.7495
  15.750   1.3074   0.09100   0.08711  -0.0634   0.0051   0.7518
  16.000   1.2937   0.09765   0.09396  -0.0664   0.0051   0.7543
  16.250   1.2792   0.10482   0.10133  -0.0700   0.0051   0.7567
  16.500   1.2634   0.11257   0.10928  -0.0743   0.0051   0.7590
  16.750   1.2472   0.12080   0.11770  -0.0792   0.0051   0.7612
  17.000   1.2290   0.12993   0.12702  -0.0850   0.0051   0.7631
  17.250   1.2112   0.13936   0.13663  -0.0912   0.0051   0.7650
  17.500   1.1921   0.14962   0.14707  -0.0980   0.0052   0.7667
  17.750   1.1705   0.16106   0.15868  -0.1057   0.0052   0.7681
  18.000   1.1463   0.17400   0.17178  -0.1143   0.0053   0.7690
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