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EPPLER 428 AIRFOIL (e428-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 428 AIRFOIL (e428-il)
Reynolds number: 100,000
Max Cl/Cd: 37.86 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e428-il-100000-n5.txt
Download as CSV file: xf-e428-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 428 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.7615   0.13035   0.12480   0.0162   1.0000   0.0298
 -14.250  -0.8133   0.11304   0.10733   0.0072   1.0000   0.0298
 -14.000  -0.8346   0.10415   0.09831   0.0025   1.0000   0.0298
 -13.750  -0.8515   0.09678   0.09082  -0.0013   1.0000   0.0301
 -13.500  -0.8661   0.09017   0.08410  -0.0048   1.0000   0.0304
 -13.250  -0.8796   0.08397   0.07779  -0.0081   1.0000   0.0307
 -13.000  -0.8929   0.07792   0.07162  -0.0113   1.0000   0.0310
 -12.750  -0.9060   0.07202   0.06564  -0.0146   1.0000   0.0313
 -12.500  -0.9217   0.06568   0.05923  -0.0183   1.0000   0.0316
 -12.250  -0.9378   0.05925   0.05268  -0.0225   1.0000   0.0317
 -12.000  -0.9556   0.05257   0.04586  -0.0272   1.0000   0.0318
 -11.750  -0.9716   0.04680   0.03993  -0.0314   1.0000   0.0320
 -11.500  -0.9848   0.04250   0.03548  -0.0338   1.0000   0.0323
 -11.250  -0.9946   0.03952   0.03237  -0.0337   1.0000   0.0331
 -11.000  -0.9960   0.03713   0.02984  -0.0329   1.0000   0.0346
 -10.750  -0.9920   0.03498   0.02755  -0.0322   1.0000   0.0370
 -10.500  -0.9839   0.03306   0.02550  -0.0314   1.0000   0.0411
 -10.250  -0.9731   0.03126   0.02359  -0.0307   1.0000   0.0468
 -10.000  -0.9599   0.02961   0.02181  -0.0299   1.0000   0.0548
  -9.750  -0.9442   0.02819   0.02030  -0.0292   1.0000   0.0631
  -9.500  -0.9262   0.02704   0.01907  -0.0286   1.0000   0.0713
  -9.250  -0.9063   0.02610   0.01804  -0.0280   1.0000   0.0790
  -9.000  -0.8852   0.02535   0.01719  -0.0275   1.0000   0.0889
  -8.750  -0.8633   0.02469   0.01643  -0.0270   1.0000   0.0992
  -8.500  -0.8407   0.02405   0.01560  -0.0264   1.0000   0.1088
  -8.250  -0.8187   0.02350   0.01506  -0.0259   1.0000   0.1173
  -8.000  -0.7959   0.02293   0.01442  -0.0253   1.0000   0.1262
  -7.750  -0.7725   0.02237   0.01370  -0.0247   1.0000   0.1356
  -7.500  -0.7493   0.02188   0.01322  -0.0241   1.0000   0.1429
  -7.250  -0.7255   0.02125   0.01245  -0.0235   1.0000   0.1504
  -7.000  -0.7017   0.02076   0.01195  -0.0228   1.0000   0.1576
  -6.750  -0.6775   0.02024   0.01132  -0.0222   1.0000   0.1656
  -6.500  -0.6533   0.01981   0.01084  -0.0215   1.0000   0.1733
  -6.250  -0.6290   0.01934   0.01030  -0.0209   1.0000   0.1810
  -6.000  -0.6046   0.01895   0.00987  -0.0202   1.0000   0.1890
  -5.750  -0.5803   0.01855   0.00941  -0.0196   1.0000   0.1971
  -5.500  -0.5559   0.01820   0.00901  -0.0189   1.0000   0.2058
  -5.250  -0.5317   0.01786   0.00867  -0.0182   1.0000   0.2150
  -5.000  -0.5073   0.01758   0.00828  -0.0175   1.0000   0.2257
  -4.750  -0.4836   0.01723   0.00802  -0.0167   1.0000   0.2342
  -4.500  -0.4595   0.01691   0.00763  -0.0159   1.0000   0.2436
  -4.250  -0.4359   0.01656   0.00733  -0.0151   1.0000   0.2512
  -4.000  -0.4120   0.01625   0.00697  -0.0143   1.0000   0.2597
  -3.750  -0.3889   0.01590   0.00672  -0.0134   1.0000   0.2670
  -3.250  -0.3434   0.01535   0.00624  -0.0116   1.0000   0.2846
  -3.000  -0.3214   0.01513   0.00604  -0.0107   1.0000   0.2941
  -2.750  -0.2854   0.01487   0.00587  -0.0125   0.9889   0.3055
  -2.500  -0.2451   0.01462   0.00571  -0.0150   0.9737   0.3193
  -2.250  -0.2052   0.01437   0.00556  -0.0174   0.9575   0.3354
  -2.000  -0.1659   0.01412   0.00541  -0.0196   0.9394   0.3541
  -1.750  -0.1276   0.01386   0.00527  -0.0214   0.9157   0.3760
  -1.500  -0.0886   0.01359   0.00511  -0.0231   0.8872   0.4017
  -1.250  -0.0540   0.01336   0.00496  -0.0237   0.8518   0.4330
  -1.000  -0.0246   0.01320   0.00485  -0.0232   0.8162   0.4685
  -0.750   0.0024   0.01307   0.00480  -0.0223   0.7850   0.5076
  -0.500   0.0283   0.01297   0.00477  -0.0213   0.7566   0.5492
  -0.250   0.0536   0.01289   0.00478  -0.0201   0.7291   0.5910
   0.000   0.0790   0.01285   0.00478  -0.0189   0.7017   0.6323
   0.250   0.1041   0.01282   0.00479  -0.0177   0.6742   0.6722
   0.500   0.1290   0.01281   0.00481  -0.0163   0.6469   0.7107
   0.750   0.1537   0.01280   0.00483  -0.0150   0.6178   0.7488
   1.000   0.1785   0.01281   0.00485  -0.0136   0.5880   0.7882
   1.250   0.2045   0.01284   0.00487  -0.0124   0.5558   0.8285
   1.500   0.2337   0.01291   0.00488  -0.0119   0.5197   0.8715
   1.750   0.2694   0.01305   0.00489  -0.0129   0.4778   0.9155
   2.000   0.3103   0.01326   0.00491  -0.0153   0.4295   0.9587
   2.250   0.3494   0.01356   0.00497  -0.0176   0.3830   1.0000
   2.500   0.3721   0.01390   0.00508  -0.0167   0.3491   1.0000
   2.750   0.3955   0.01427   0.00524  -0.0159   0.3217   1.0000
   3.000   0.4195   0.01464   0.00543  -0.0152   0.3008   1.0000
   3.250   0.4438   0.01502   0.00568  -0.0145   0.2851   1.0000
   3.500   0.4684   0.01541   0.00596  -0.0139   0.2723   1.0000
   4.000   0.5182   0.01621   0.00660  -0.0127   0.2509   1.0000
   4.250   0.5430   0.01667   0.00695  -0.0121   0.2429   1.0000
   4.500   0.5685   0.01707   0.00735  -0.0116   0.2348   1.0000
   4.750   0.5934   0.01757   0.00775  -0.0110   0.2280   1.0000
   5.000   0.6192   0.01798   0.00821  -0.0105   0.2207   1.0000
   5.250   0.6445   0.01845   0.00865  -0.0100   0.2143   1.0000
   5.500   0.6698   0.01897   0.00916  -0.0095   0.2086   1.0000
   5.750   0.6954   0.01944   0.00968  -0.0090   0.2020   1.0000
   6.000   0.7204   0.01995   0.01015  -0.0085   0.1961   1.0000
   6.250   0.7456   0.02044   0.01073  -0.0081   0.1893   1.0000
   6.500   0.7704   0.02088   0.01119  -0.0075   0.1821   1.0000
   6.750   0.7950   0.02138   0.01173  -0.0070   0.1757   1.0000
   7.000   0.8197   0.02186   0.01231  -0.0065   0.1689   1.0000
   7.250   0.8438   0.02241   0.01281  -0.0060   0.1637   1.0000
   7.500   0.8683   0.02299   0.01358  -0.0054   0.1576   1.0000
   7.750   0.8923   0.02357   0.01423  -0.0048   0.1522   1.0000
   8.000   0.9158   0.02421   0.01487  -0.0042   0.1475   1.0000
   8.250   0.9393   0.02489   0.01577  -0.0036   0.1414   1.0000
   8.500   0.9622   0.02549   0.01641  -0.0030   0.1363   1.0000
   8.750   0.9847   0.02626   0.01731  -0.0023   0.1312   1.0000
   9.000   1.0068   0.02704   0.01825  -0.0016   0.1258   1.0000
   9.250   1.0285   0.02772   0.01894  -0.0009   0.1216   1.0000
   9.500   1.0492   0.02868   0.02013  -0.0001   0.1163   1.0000
   9.750   1.0694   0.02933   0.02088   0.0008   0.1109   1.0000
  10.000   1.0887   0.03007   0.02172   0.0016   0.1057   1.0000
  10.250   1.1072   0.03083   0.02265   0.0025   0.0998   1.0000
  10.500   1.1249   0.03155   0.02341   0.0034   0.0954   1.0000
  10.750   1.1413   0.03260   0.02470   0.0044   0.0899   1.0000
  11.000   1.1565   0.03335   0.02547   0.0055   0.0856   1.0000
  11.250   1.1698   0.03460   0.02698   0.0066   0.0806   1.0000
  11.500   1.1813   0.03568   0.02814   0.0079   0.0765   1.0000
  11.750   1.1896   0.03709   0.02970   0.0092   0.0728   1.0000
  12.000   1.1937   0.03861   0.03139   0.0109   0.0691   1.0000
  12.250   1.1939   0.04021   0.03304   0.0126   0.0664   1.0000
  12.500   1.1909   0.04249   0.03551   0.0137   0.0637   1.0000
  12.750   1.1852   0.04525   0.03846   0.0139   0.0610   1.0000
  13.000   1.1775   0.04850   0.04184   0.0132   0.0591   1.0000
  13.250   1.1675   0.05236   0.04576   0.0116   0.0574   1.0000
  13.500   1.1522   0.05762   0.05124   0.0089   0.0560   1.0000
  13.750   1.1324   0.06407   0.05791   0.0050   0.0548   1.0000
  14.000   1.1080   0.07180   0.06582   0.0001   0.0541   1.0000
  14.250   1.0778   0.08111   0.07532  -0.0058   0.0538   1.0000
  14.500   1.0390   0.09264   0.08706  -0.0129   0.0540   1.0000
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