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EPPLER 266 AIRFOIL (e266-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 266 AIRFOIL (e266-il)
Reynolds number: 1,000,000
Max Cl/Cd: 131.4 at α=7.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e266-il-1000000.txt
Download as CSV file: xf-e266-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 266 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -12.750  -0.1922   0.09101   0.08806  -0.0848   0.6654   0.0153
 -12.500  -0.2436   0.09340   0.09024  -0.0959   0.6744   0.0143
  -9.500  -0.5388   0.02593   0.02056  -0.0837   0.6498   0.0114
  -9.250  -0.5290   0.02382   0.01818  -0.0814   0.6477   0.0113
  -9.000  -0.5141   0.02189   0.01600  -0.0798   0.6457   0.0112
  -8.750  -0.4954   0.02068   0.01461  -0.0786   0.6435   0.0113
  -8.500  -0.4746   0.01956   0.01333  -0.0778   0.6410   0.0113
  -8.250  -0.4536   0.01893   0.01259  -0.0769   0.6397   0.0117
  -8.000  -0.4304   0.01799   0.01154  -0.0764   0.6382   0.0117
  -7.750  -0.4073   0.01727   0.01074  -0.0759   0.6366   0.0118
  -7.500  -0.3843   0.01671   0.01011  -0.0753   0.6349   0.0119
  -7.250  -0.3610   0.01607   0.00941  -0.0748   0.6332   0.0120
  -7.000  -0.3383   0.01542   0.00870  -0.0741   0.6314   0.0122
  -6.750  -0.3179   0.01455   0.00778  -0.0731   0.6297   0.0123
  -6.500  -0.2985   0.01393   0.00711  -0.0719   0.6280   0.0125
  -6.250  -0.2789   0.01343   0.00658  -0.0707   0.6261   0.0128
  -6.000  -0.2577   0.01305   0.00617  -0.0698   0.6246   0.0131
  -5.750  -0.2354   0.01272   0.00583  -0.0690   0.6236   0.0136
  -5.500  -0.2131   0.01237   0.00547  -0.0683   0.6224   0.0141
  -5.250  -0.1904   0.01205   0.00512  -0.0675   0.6212   0.0146
  -5.000  -0.1672   0.01177   0.00481  -0.0669   0.6199   0.0150
  -4.750  -0.1430   0.01154   0.00456  -0.0664   0.6185   0.0154
  -4.500  -0.1209   0.01116   0.00414  -0.0655   0.6171   0.0163
  -4.250  -0.0967   0.01092   0.00389  -0.0650   0.6157   0.0173
  -4.000  -0.0718   0.01074   0.00368  -0.0647   0.6144   0.0185
  -3.750  -0.0469   0.01055   0.00347  -0.0643   0.6130   0.0207
  -3.500  -0.0226   0.01033   0.00329  -0.0638   0.6116   0.0306
  -3.000   0.0146   0.00916   0.00287  -0.0614   0.6088   0.2222
  -2.750   0.0314   0.00843   0.00264  -0.0598   0.6079   0.3558
  -2.500   0.0442   0.00748   0.00234  -0.0576   0.6068   0.5341
  -2.250   0.0595   0.00683   0.00225  -0.0553   0.6057   0.6845
  -2.000   0.0861   0.00684   0.00233  -0.0551   0.6045   0.7255
  -1.750   0.1141   0.00691   0.00241  -0.0552   0.6034   0.7438
  -1.500   0.1424   0.00701   0.00249  -0.0553   0.6021   0.7571
  -1.250   0.1706   0.00718   0.00263  -0.0553   0.6008   0.7696
  -1.000   0.1994   0.00732   0.00279  -0.0555   0.5995   0.7769
  -0.750   0.2281   0.00748   0.00291  -0.0557   0.5983   0.7835
  -0.500   0.2567   0.00760   0.00303  -0.0559   0.5972   0.7885
  -0.250   0.2859   0.00777   0.00319  -0.0562   0.5958   0.7927
   0.000   0.3150   0.00796   0.00335  -0.0566   0.5940   0.7967
   0.250   0.3437   0.00806   0.00342  -0.0570   0.5929   0.7998
   0.500   0.3721   0.00807   0.00343  -0.0573   0.5920   0.8020
   0.750   0.4006   0.00808   0.00345  -0.0576   0.5909   0.8037
   1.000   0.4292   0.00810   0.00348  -0.0579   0.5897   0.8051
   1.250   0.4578   0.00813   0.00351  -0.0583   0.5884   0.8064
   1.500   0.4864   0.00816   0.00354  -0.0587   0.5870   0.8076
   1.750   0.5150   0.00818   0.00356  -0.0590   0.5856   0.8089
   2.000   0.5436   0.00820   0.00357  -0.0594   0.5842   0.8101
   2.250   0.5722   0.00823   0.00359  -0.0598   0.5828   0.8114
   2.500   0.6007   0.00826   0.00361  -0.0603   0.5812   0.8127
   2.750   0.6295   0.00835   0.00367  -0.0608   0.5792   0.8138
   3.000   0.6578   0.00840   0.00372  -0.0611   0.5772   0.8149
   3.250   0.6853   0.00837   0.00372  -0.0613   0.5753   0.8158
   3.500   0.7131   0.00837   0.00374  -0.0616   0.5731   0.8168
   3.750   0.7405   0.00832   0.00371  -0.0618   0.5707   0.8180
   4.000   0.7681   0.00829   0.00369  -0.0620   0.5683   0.8191
   4.250   0.7958   0.00829   0.00370  -0.0622   0.5658   0.8200
   4.500   0.8241   0.00838   0.00377  -0.0626   0.5630   0.8209
   4.750   0.8509   0.00837   0.00381  -0.0626   0.5608   0.8219
   5.000   0.8776   0.00834   0.00384  -0.0626   0.5579   0.8229
   5.250   0.9042   0.00832   0.00385  -0.0627   0.5543   0.8240
   5.500   0.9309   0.00832   0.00387  -0.0627   0.5510   0.8252
   5.750   0.9579   0.00839   0.00393  -0.0628   0.5474   0.8265
   6.000   0.9838   0.00837   0.00398  -0.0627   0.5439   0.8277
   6.250   1.0097   0.00835   0.00401  -0.0626   0.5392   0.8288
   6.500   1.0348   0.00838   0.00404  -0.0623   0.5339   0.8300
   6.750   1.0602   0.00838   0.00409  -0.0621   0.5271   0.8310
   7.000   1.0834   0.00843   0.00412  -0.0615   0.5180   0.8320
   7.250   1.1070   0.00846   0.00418  -0.0609   0.5058   0.8330
   7.500   1.1261   0.00857   0.00425  -0.0595   0.4844   0.8345
   7.750   1.1404   0.00885   0.00444  -0.0571   0.4568   0.8360
   8.000   1.1509   0.00924   0.00473  -0.0541   0.4284   0.8377
   8.250   1.1515   0.00976   0.00510  -0.0491   0.3939   0.8396
   8.500   1.1496   0.01045   0.00564  -0.0438   0.3596   0.8417
   8.750   1.1449   0.01127   0.00630  -0.0383   0.3255   0.8439
   9.000   1.1455   0.01199   0.00691  -0.0339   0.2994   0.8459
   9.250   1.1399   0.01295   0.00773  -0.0287   0.2699   0.8477
   9.500   1.1380   0.01384   0.00855  -0.0245   0.2491   0.8500
   9.750   1.1298   0.01511   0.00971  -0.0197   0.2222   0.8525
  10.000   1.1265   0.01639   0.01094  -0.0160   0.2023   0.8550
  10.250   1.1204   0.01801   0.01247  -0.0125   0.1795   0.8575
  10.500   1.1163   0.01969   0.01407  -0.0095   0.1590   0.8599
  10.750   1.1148   0.02135   0.01565  -0.0071   0.1410   0.8619
  11.000   1.1122   0.02315   0.01737  -0.0047   0.1229   0.8638
  11.250   1.1099   0.02497   0.01912  -0.0025   0.1040   0.8664
  11.500   1.1077   0.02683   0.02091  -0.0004   0.0863   0.8687
  11.750   1.1099   0.02846   0.02250   0.0011   0.0741   0.8709
  12.000   1.1128   0.03009   0.02409   0.0026   0.0630   0.8731
  12.250   1.1060   0.03243   0.02629   0.0047   0.0421   0.8756
  12.500   1.1052   0.03444   0.02824   0.0061   0.0288   0.8778
  12.750   1.1020   0.03673   0.03044   0.0076   0.0158   0.8803
  13.000   1.1083   0.03835   0.03209   0.0084   0.0129   0.8828
  13.250   1.1151   0.03998   0.03376   0.0091   0.0117   0.8852
  13.500   1.1225   0.04157   0.03540   0.0098   0.0109   0.8876
  13.750   1.1317   0.04306   0.03694   0.0102   0.0106   0.8901
  14.000   1.1395   0.04470   0.03864   0.0107   0.0099   0.8926
  14.250   1.1484   0.04627   0.04028   0.0110   0.0099   0.8952
  14.500   1.1553   0.04806   0.04213   0.0114   0.0094   0.8982
  14.750   1.1593   0.05011   0.04424   0.0119   0.0088   0.9014
  15.000   1.1594   0.05260   0.04682   0.0124   0.0084   0.9047
  15.250   1.1650   0.05460   0.04889   0.0127   0.0084   0.9081
  15.500   1.1732   0.05645   0.05082   0.0127   0.0082   0.9119
  15.750   1.1783   0.05864   0.05309   0.0127   0.0082   0.9164
  16.000   1.1828   0.06087   0.05540   0.0128   0.0078   0.9213
  16.250   1.1914   0.06295   0.05757   0.0122   0.0078   0.9262
  16.500   1.1968   0.06551   0.06022   0.0116   0.0077   0.9319
  16.750   1.2020   0.06856   0.06337   0.0102   0.0076   0.9376
  17.000   1.2115   0.07172   0.06664   0.0079   0.0074   0.9426
  17.250   1.2218   0.07507   0.07009   0.0051   0.0072   0.9463
  17.500   1.2317   0.07877   0.07389   0.0020   0.0071   0.9501
  17.750   1.2400   0.08272   0.07795  -0.0013   0.0070   0.9530
  18.000   1.2464   0.08694   0.08226  -0.0045   0.0068   0.9554
  18.250   1.2522   0.09116   0.08659  -0.0077   0.0068   0.9577
  18.500   1.2546   0.09558   0.09111  -0.0106   0.0067   0.9672
  18.750   1.2467   0.09971   0.09531  -0.0108   0.0066   1.0000
  19.000   1.2425   0.10353   0.09920  -0.0116   0.0066   1.0000
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