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EPPLER 266 AIRFOIL (e266-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 266 AIRFOIL (e266-il)
Reynolds number: 500,000
Max Cl/Cd: 99.98 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e266-il-500000-n5.txt
Download as CSV file: xf-e266-il-500000-n5.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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.250  -0.3749   0.07685   0.07302  -0.0971   0.6867   0.0085
 -12.750  -0.4666   0.05285   0.04857  -0.1117   0.6833   0.0083
 -12.500  -0.4849   0.04881   0.04438  -0.1122   0.6798   0.0082
 -12.250  -0.5135   0.04419   0.03950  -0.1113   0.6766   0.0083
 -12.000  -0.5255   0.04152   0.03665  -0.1098   0.6728   0.0082
 -11.500  -0.5544   0.03587   0.03052  -0.1046   0.6667   0.0082
 -11.250  -0.5631   0.03350   0.02789  -0.1016   0.6635   0.0083
 -11.000  -0.5649   0.03170   0.02586  -0.0989   0.6604   0.0084
 -10.750  -0.5637   0.03008   0.02403  -0.0963   0.6576   0.0085
 -10.500  -0.5601   0.02854   0.02226  -0.0938   0.6550   0.0085
 -10.250  -0.5536   0.02713   0.02063  -0.0914   0.6526   0.0086
 -10.000  -0.5444   0.02608   0.01939  -0.0892   0.6504   0.0087
  -9.750  -0.5339   0.02518   0.01831  -0.0870   0.6481   0.0088
  -9.500  -0.5197   0.02408   0.01706  -0.0854   0.6459   0.0088
  -9.250  -0.5035   0.02285   0.01567  -0.0841   0.6437   0.0090
  -9.000  -0.4852   0.02169   0.01439  -0.0832   0.6416   0.0092
  -8.750  -0.4674   0.02093   0.01355  -0.0820   0.6397   0.0094
  -8.500  -0.4483   0.02019   0.01271  -0.0810   0.6378   0.0094
  -8.250  -0.4293   0.01955   0.01199  -0.0798   0.6361   0.0096
  -8.000  -0.4103   0.01906   0.01146  -0.0787   0.6344   0.0099
  -7.750  -0.3903   0.01846   0.01079  -0.0777   0.6325   0.0101
  -7.500  -0.3700   0.01793   0.01021  -0.0767   0.6305   0.0104
  -7.250  -0.3495   0.01742   0.00964  -0.0758   0.6287   0.0106
  -7.000  -0.3291   0.01691   0.00906  -0.0748   0.6270   0.0110
  -6.750  -0.3088   0.01642   0.00852  -0.0738   0.6255   0.0112
  -6.500  -0.2888   0.01596   0.00799  -0.0727   0.6240   0.0114
  -6.250  -0.2681   0.01557   0.00754  -0.0717   0.6225   0.0116
  -6.000  -0.2476   0.01517   0.00710  -0.0706   0.6211   0.0118
  -5.750  -0.2285   0.01466   0.00655  -0.0694   0.6198   0.0122
  -5.500  -0.2072   0.01429   0.00616  -0.0685   0.6186   0.0126
  -5.250  -0.1851   0.01396   0.00582  -0.0677   0.6172   0.0129
  -5.000  -0.1625   0.01367   0.00551  -0.0670   0.6158   0.0135
  -4.750  -0.1393   0.01341   0.00522  -0.0664   0.6142   0.0141
  -4.500  -0.1157   0.01319   0.00495  -0.0658   0.6126   0.0149
  -4.250  -0.0924   0.01293   0.00468  -0.0652   0.6112   0.0160
  -4.000  -0.0685   0.01272   0.00444  -0.0647   0.6099   0.0176
  -3.750  -0.0443   0.01252   0.00422  -0.0642   0.6087   0.0200
  -3.500  -0.0211   0.01226   0.00401  -0.0636   0.6075   0.0320
  -3.250   0.0013   0.01194   0.00382  -0.0629   0.6063   0.0654
  -3.000   0.0219   0.01150   0.00362  -0.0620   0.6051   0.1299
  -2.750   0.0399   0.01089   0.00341  -0.0608   0.6039   0.2338
  -2.500   0.0571   0.01023   0.00319  -0.0594   0.6027   0.3508
  -2.250   0.0717   0.00941   0.00291  -0.0575   0.6013   0.4944
  -2.000   0.0838   0.00865   0.00288  -0.0546   0.6001   0.6677
  -1.750   0.1090   0.00877   0.00316  -0.0539   0.5989   0.7314
  -1.500   0.1362   0.00894   0.00330  -0.0537   0.5976   0.7552
  -1.250   0.1639   0.00915   0.00351  -0.0536   0.5963   0.7686
  -1.000   0.1918   0.00933   0.00368  -0.0535   0.5949   0.7765
  -0.750   0.2199   0.00947   0.00378  -0.0536   0.5936   0.7827
  -0.500   0.2477   0.00954   0.00378  -0.0538   0.5923   0.7877
   0.000   0.3047   0.00969   0.00387  -0.0543   0.5901   0.7916
   0.250   0.3333   0.00977   0.00391  -0.0546   0.5887   0.7934
   0.500   0.3615   0.00981   0.00393  -0.0549   0.5875   0.7951
   0.750   0.3895   0.00983   0.00395  -0.0552   0.5863   0.7967
   1.000   0.4175   0.00986   0.00397  -0.0555   0.5850   0.7984
   1.250   0.4456   0.00988   0.00398  -0.0558   0.5836   0.7999
   1.500   0.4735   0.00990   0.00399  -0.0561   0.5820   0.8015
   1.750   0.5015   0.00993   0.00400  -0.0564   0.5806   0.8030
   2.000   0.5296   0.00995   0.00402  -0.0568   0.5792   0.8040
   2.250   0.5576   0.00998   0.00406  -0.0570   0.5777   0.8049
   2.500   0.5856   0.01002   0.00410  -0.0573   0.5762   0.8059
   2.750   0.6137   0.01008   0.00416  -0.0576   0.5749   0.8069
   3.000   0.6420   0.01015   0.00422  -0.0580   0.5734   0.8080
   3.250   0.6696   0.01020   0.00430  -0.0582   0.5717   0.8090
   3.500   0.6965   0.01023   0.00438  -0.0583   0.5697   0.8101
   3.750   0.7234   0.01026   0.00444  -0.0584   0.5672   0.8112
   4.000   0.7503   0.01027   0.00449  -0.0585   0.5643   0.8124
   4.250   0.7772   0.01029   0.00453  -0.0586   0.5616   0.8136
   4.500   0.8044   0.01032   0.00456  -0.0587   0.5590   0.8150
   4.750   0.8311   0.01036   0.00462  -0.0588   0.5560   0.8165
   5.000   0.8568   0.01038   0.00471  -0.0587   0.5524   0.8177
   5.250   0.8829   0.01041   0.00477  -0.0586   0.5488   0.8189
   5.500   0.9089   0.01043   0.00482  -0.0586   0.5453   0.8199
   5.750   0.9346   0.01045   0.00487  -0.0584   0.5414   0.8209
   6.000   0.9591   0.01048   0.00499  -0.0581   0.5358   0.8218
   6.250   0.9836   0.01050   0.00505  -0.0576   0.5301   0.8229
   6.500   1.0079   0.01055   0.00515  -0.0572   0.5247   0.8240
   6.750   1.0315   0.01059   0.00527  -0.0567   0.5175   0.8252
   7.000   1.0540   0.01066   0.00537  -0.0559   0.5093   0.8267
   7.250   1.0728   0.01073   0.00544  -0.0544   0.4920   0.8283
   7.500   1.0888   0.01090   0.00557  -0.0524   0.4721   0.8299
   7.750   1.0969   0.01121   0.00578  -0.0489   0.4446   0.8317
   8.000   1.0963   0.01169   0.00612  -0.0437   0.4141   0.8338
   8.250   1.0915   0.01245   0.00671  -0.0382   0.3810   0.8359
   8.500   1.0827   0.01340   0.00751  -0.0322   0.3466   0.8379
   8.750   1.0760   0.01441   0.00842  -0.0270   0.3182   0.8400
   9.000   1.0654   0.01572   0.00961  -0.0217   0.2880   0.8428
   9.250   1.0591   0.01709   0.01089  -0.0175   0.2627   0.8454
   9.500   1.0530   0.01866   0.01238  -0.0139   0.2398   0.8479
   9.750   1.0430   0.02068   0.01425  -0.0104   0.2113   0.8503
  10.000   1.0456   0.02210   0.01565  -0.0083   0.1969   0.8521
  10.250   1.0365   0.02428   0.01771  -0.0054   0.1682   0.8542
  10.500   1.0378   0.02590   0.01929  -0.0035   0.1516   0.8562
  10.750   1.0429   0.02732   0.02070  -0.0020   0.1406   0.8582
  11.000   1.0427   0.02912   0.02243  -0.0002   0.1217   0.8604
  11.250   1.0427   0.03094   0.02417   0.0014   0.1038   0.8627
  11.500   1.0439   0.03274   0.02589   0.0029   0.0880   0.8649
  11.750   1.0476   0.03440   0.02752   0.0041   0.0753   0.8670
  12.000   1.0514   0.03610   0.02918   0.0052   0.0625   0.8690
  12.250   1.0537   0.03797   0.03100   0.0063   0.0489   0.8710
  12.500   1.0564   0.03986   0.03284   0.0073   0.0368   0.8731
  12.750   1.0603   0.04173   0.03469   0.0081   0.0271   0.8753
  13.000   1.0632   0.04372   0.03664   0.0089   0.0174   0.8775
  13.250   1.0683   0.04561   0.03852   0.0095   0.0132   0.8797
  13.500   1.0756   0.04733   0.04029   0.0100   0.0114   0.8818
  13.750   1.0829   0.04909   0.04210   0.0104   0.0105   0.8840
  14.000   1.0916   0.05075   0.04384   0.0106   0.0102   0.8865
  14.250   1.0997   0.05248   0.04565   0.0109   0.0095   0.8892
  14.500   1.1074   0.05429   0.04754   0.0111   0.0092   0.8922
  14.750   1.1132   0.05637   0.04968   0.0112   0.0086   0.8953
  15.000   1.1222   0.05820   0.05160   0.0111   0.0087   0.8984
  15.250   1.1239   0.06083   0.05431   0.0111   0.0080   0.9016
  15.500   1.1319   0.06287   0.05643   0.0108   0.0080   0.9053
  15.750   1.1374   0.06526   0.05893   0.0105   0.0078   0.9090
  16.000   1.1441   0.06761   0.06136   0.0100   0.0077   0.9126
  16.250   1.1506   0.07021   0.06407   0.0091   0.0075   0.9164
  16.500   1.1571   0.07285   0.06679   0.0082   0.0073   0.9206
  16.750   1.1605   0.07582   0.06987   0.0074   0.0072   0.9250
  17.000   1.1683   0.07869   0.07283   0.0058   0.0069   0.9289
  17.250   1.1716   0.08216   0.07641   0.0043   0.0069   0.9334
  17.500   1.1772   0.08552   0.07988   0.0024   0.0068   0.9380
  17.750   1.1827   0.08928   0.08376  -0.0001   0.0065   0.9422
  18.000   1.1872   0.09332   0.08793  -0.0028   0.0065   0.9460
  18.250   1.1890   0.09790   0.09262  -0.0058   0.0062   0.9511
  18.500   1.1871   0.10247   0.09730  -0.0084   0.0061   0.9725
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