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EPPLER 678 AIRFOIL (e678-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 678 AIRFOIL (e678-il)
Reynolds number: 1,000,000
Max Cl/Cd: 130.7 at α=4.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e678-il-1000000-n5.txt
Download as CSV file: xf-e678-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 678 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.250  -0.2066   0.05222   0.04950  -0.1874   0.9132   0.0057
 -13.000  -0.2429   0.04128   0.03829  -0.1959   0.9064   0.0057
 -12.750  -0.2645   0.03530   0.03212  -0.2000   0.9004   0.0056
 -12.500  -0.2761   0.03154   0.02817  -0.2019   0.8954   0.0056
 -12.250  -0.2859   0.02863   0.02509  -0.2024   0.8916   0.0056
 -12.000  -0.2922   0.02645   0.02277  -0.2016   0.8880   0.0056
 -11.750  -0.2965   0.02458   0.02075  -0.2004   0.8845   0.0057
 -11.500  -0.2839   0.02394   0.02004  -0.1997   0.8816   0.0058
 -11.250  -0.2810   0.02273   0.01869  -0.1983   0.8782   0.0058
 -10.750  -0.2839   0.02041   0.01614  -0.1930   0.8724   0.0058
 -10.500  -0.2772   0.01917   0.01474  -0.1912   0.8691   0.0058
 -10.250  -0.2678   0.01790   0.01330  -0.1897   0.8658   0.0060
 -10.000  -0.2520   0.01699   0.01226  -0.1889   0.8630   0.0060
  -9.750  -0.2349   0.01622   0.01140  -0.1880   0.8606   0.0061
  -9.500  -0.2162   0.01554   0.01064  -0.1873   0.8580   0.0062
  -9.250  -0.1956   0.01498   0.01001  -0.1867   0.8549   0.0063
  -9.000  -0.1741   0.01444   0.00940  -0.1863   0.8517   0.0064
  -8.750  -0.1513   0.01395   0.00883  -0.1860   0.8484   0.0065
  -8.500  -0.1291   0.01344   0.00825  -0.1855   0.8451   0.0066
  -8.250  -0.1069   0.01300   0.00775  -0.1850   0.8398   0.0067
  -8.000  -0.0840   0.01258   0.00726  -0.1846   0.8336   0.0069
  -7.750  -0.0612   0.01216   0.00679  -0.1841   0.8259   0.0071
  -7.500  -0.0432   0.01185   0.00633  -0.1824   0.7918   0.0073
  -7.250  -0.0463   0.01206   0.00615  -0.1761   0.7260   0.0074
  -7.000  -0.0282   0.01185   0.00582  -0.1745   0.7139   0.0076
  -6.750  -0.0061   0.01161   0.00550  -0.1737   0.7069   0.0078
  -6.250   0.0400   0.01115   0.00492  -0.1725   0.6970   0.0081
  -6.000   0.0642   0.01075   0.00445  -0.1722   0.6932   0.0085
  -5.750   0.0881   0.01048   0.00414  -0.1718   0.6896   0.0089
  -5.500   0.1119   0.01028   0.00389  -0.1712   0.6862   0.0091
  -5.250   0.1360   0.01010   0.00367  -0.1708   0.6830   0.0095
  -5.000   0.1621   0.00991   0.00346  -0.1707   0.6805   0.0100
  -4.750   0.1881   0.00974   0.00326  -0.1706   0.6778   0.0104
  -4.500   0.2140   0.00961   0.00309  -0.1705   0.6750   0.0108
  -4.250   0.2402   0.00945   0.00291  -0.1704   0.6724   0.0119
  -4.000   0.2662   0.00933   0.00277  -0.1703   0.6700   0.0132
  -3.750   0.2925   0.00922   0.00264  -0.1702   0.6677   0.0158
  -3.500   0.3202   0.00905   0.00251  -0.1705   0.6658   0.0274
  -3.250   0.3483   0.00889   0.00241  -0.1709   0.6641   0.0432
  -3.000   0.3763   0.00876   0.00233  -0.1713   0.6621   0.0590
  -2.750   0.4046   0.00858   0.00226  -0.1717   0.6600   0.0885
  -2.250   0.4616   0.00822   0.00216  -0.1729   0.6556   0.1796
  -2.000   0.4901   0.00807   0.00214  -0.1734   0.6535   0.2320
  -1.750   0.5198   0.00784   0.00213  -0.1744   0.6516   0.3118
  -1.500   0.5495   0.00768   0.00213  -0.1752   0.6500   0.3757
  -1.250   0.5807   0.00745   0.00215  -0.1765   0.6485   0.4682
  -1.000   0.6102   0.00734   0.00218  -0.1772   0.6469   0.5194
  -0.750   0.6389   0.00730   0.00222  -0.1776   0.6450   0.5558
  -0.500   0.6673   0.00725   0.00227  -0.1780   0.6429   0.5969
  -0.250   0.6950   0.00725   0.00235  -0.1782   0.6409   0.6310
   0.000   0.7221   0.00729   0.00242  -0.1783   0.6391   0.6544
   0.250   0.7489   0.00736   0.00249  -0.1782   0.6373   0.6718
   0.500   0.7756   0.00744   0.00257  -0.1782   0.6353   0.6863
   0.750   0.8024   0.00749   0.00265  -0.1781   0.6332   0.6957
   1.000   0.8287   0.00754   0.00271  -0.1780   0.6299   0.7030
   1.250   0.8539   0.00761   0.00278  -0.1776   0.6255   0.7088
   1.500   0.8785   0.00771   0.00286  -0.1771   0.6216   0.7147
   1.750   0.9034   0.00782   0.00295  -0.1768   0.6184   0.7202
   2.000   0.9297   0.00787   0.00303  -0.1766   0.6154   0.7251
   2.250   0.9552   0.00794   0.00312  -0.1763   0.6117   0.7299
   2.500   0.9799   0.00804   0.00321  -0.1759   0.6077   0.7341
   2.750   1.0040   0.00817   0.00332  -0.1754   0.6038   0.7375
   3.000   1.0296   0.00824   0.00342  -0.1751   0.6002   0.7406
   3.250   1.0549   0.00832   0.00352  -0.1749   0.5959   0.7437
   3.500   1.0790   0.00843   0.00365  -0.1743   0.5911   0.7470
   3.750   1.1025   0.00857   0.00377  -0.1737   0.5861   0.7500
   4.000   1.1270   0.00868   0.00389  -0.1733   0.5802   0.7530
   4.250   1.1486   0.00885   0.00406  -0.1722   0.5728   0.7556
   4.500   1.1724   0.00897   0.00420  -0.1717   0.5654   0.7585
   4.750   1.1935   0.00917   0.00439  -0.1706   0.5564   0.7616
   5.000   1.2163   0.00933   0.00456  -0.1699   0.5459   0.7654
   5.250   1.2358   0.00960   0.00479  -0.1685   0.5307   0.7694
   5.500   1.2524   0.00996   0.00509  -0.1666   0.5107   0.7727
   6.000   1.2734   0.01131   0.00608  -0.1607   0.4350   0.7784
   6.250   1.2849   0.01202   0.00663  -0.1581   0.4010   0.7815
   6.500   1.2977   0.01270   0.00717  -0.1557   0.3705   0.7843
   6.750   1.3088   0.01346   0.00777  -0.1531   0.3385   0.7868
   7.000   1.3197   0.01424   0.00841  -0.1505   0.3072   0.7893
   7.250   1.3272   0.01520   0.00919  -0.1474   0.2699   0.7922
   7.500   1.3332   0.01626   0.01006  -0.1442   0.2327   0.7954
   7.750   1.3414   0.01723   0.01089  -0.1414   0.2036   0.7986
   8.000   1.3529   0.01807   0.01163  -0.1392   0.1819   0.8015
   8.250   1.3639   0.01894   0.01243  -0.1369   0.1628   0.8042
   8.500   1.3741   0.01987   0.01328  -0.1346   0.1440   0.8072
   8.750   1.3833   0.02089   0.01422  -0.1322   0.1231   0.8104
   9.000   1.3916   0.02199   0.01524  -0.1297   0.1047   0.8140
   9.250   1.4016   0.02304   0.01622  -0.1276   0.0883   0.8176
   9.500   1.4093   0.02425   0.01737  -0.1252   0.0720   0.8211
   9.750   1.4168   0.02551   0.01857  -0.1228   0.0561   0.8249
  10.000   1.4229   0.02691   0.01991  -0.1204   0.0415   0.8289
  10.250   1.4322   0.02816   0.02112  -0.1185   0.0321   0.8328
  10.500   1.4390   0.02959   0.02253  -0.1163   0.0221   0.8368
  10.750   1.4447   0.03118   0.02410  -0.1141   0.0121   0.8415
  11.000   1.4551   0.03244   0.02539  -0.1126   0.0100   0.8466
  11.250   1.4659   0.03371   0.02671  -0.1111   0.0088   0.8520
  11.500   1.4772   0.03494   0.02801  -0.1098   0.0082   0.8587
  12.000   1.4989   0.03757   0.03078  -0.1072   0.0074   0.8744
  12.250   1.5083   0.03904   0.03232  -0.1059   0.0070   0.8845
  12.500   1.5168   0.04057   0.03394  -0.1045   0.0067   0.8995
  12.750   1.5227   0.04196   0.03549  -0.1026   0.0065   0.9598
  13.000   1.5326   0.04351   0.03710  -0.1016   0.0063   1.0000
  13.250   1.5421   0.04521   0.03886  -0.1007   0.0062   1.0000
  13.500   1.5516   0.04693   0.04064  -0.0999   0.0060   1.0000
  13.750   1.5603   0.04876   0.04253  -0.0991   0.0059   1.0000
  14.000   1.5685   0.05067   0.04450  -0.0983   0.0057   1.0000
  14.250   1.5764   0.05264   0.04653  -0.0975   0.0056   1.0000
  14.500   1.5836   0.05471   0.04867  -0.0968   0.0055   1.0000
  14.750   1.5902   0.05686   0.05088  -0.0961   0.0053   1.0000
  15.000   1.5959   0.05913   0.05322  -0.0955   0.0052   1.0000
  15.250   1.6007   0.06155   0.05571  -0.0949   0.0051   1.0000
  15.500   1.6050   0.06407   0.05831  -0.0943   0.0050   1.0000
  15.750   1.6077   0.06682   0.06113  -0.0938   0.0049   1.0000
  16.000   1.6087   0.06984   0.06424  -0.0933   0.0048   1.0000
  16.250   1.6086   0.07304   0.06753  -0.0929   0.0047   1.0000
  16.500   1.6113   0.07593   0.07051  -0.0927   0.0047   1.0000
  16.750   1.6145   0.07880   0.07346  -0.0926   0.0046   1.0000
  17.000   1.6170   0.08181   0.07655  -0.0926   0.0046   1.0000
  17.250   1.6187   0.08498   0.07981  -0.0927   0.0045   1.0000
  17.500   1.6202   0.08820   0.08313  -0.0929   0.0044   1.0000
  17.750   1.6206   0.09164   0.08666  -0.0932   0.0044   1.0000
  18.000   1.6205   0.09517   0.09028  -0.0936   0.0043   1.0000
  18.250   1.6197   0.09887   0.09407  -0.0942   0.0042   1.0000
  18.500   1.6177   0.10280   0.09810  -0.0949   0.0042   1.0000
  18.750   1.6152   0.10687   0.10227  -0.0958   0.0041   1.0000
  19.000   1.6124   0.11101   0.10651  -0.0968   0.0041   1.0000
  19.250   1.6091   0.11527   0.11087  -0.0980   0.0040   1.0000
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