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EPPLER 678 AIRFOIL (e678-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 678 AIRFOIL (e678-il)
Reynolds number: 1,000,000
Max Cl/Cd: 141.14 at α=5.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e678-il-1000000.txt
Download as CSV file: xf-e678-il-1000000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.250   0.0109   0.10804   0.10599  -0.1567   0.9621   0.0123
 -13.000   0.0169   0.10447   0.10241  -0.1584   0.9595   0.0123
 -12.750   0.0195   0.10167   0.09962  -0.1588   0.9559   0.0127
 -12.500   0.0297   0.09850   0.09644  -0.1613   0.9540   0.0128
 -12.250   0.0422   0.09542   0.09335  -0.1641   0.9525   0.0130
 -12.000   0.0558   0.09240   0.09033  -0.1672   0.9511   0.0134
 -11.750   0.0680   0.08858   0.08650  -0.1710   0.9496   0.0137
 -11.500   0.1202   0.06480   0.06274  -0.1736   0.9303   0.0159
 -11.250   0.1250   0.06188   0.05982  -0.1747   0.9277   0.0161
 -11.000   0.1284   0.05837   0.05629  -0.1762   0.9253   0.0162
 -10.750   0.1338   0.05517   0.05307  -0.1779   0.9230   0.0165
 -10.500   0.1325   0.05106   0.04896  -0.1795   0.9202   0.0167
 -10.250  -0.0252   0.03855   0.03601  -0.2079   0.9185   0.0160
 -10.000  -0.0476   0.03556   0.03284  -0.2072   0.9123   0.0159
  -9.750  -0.0642   0.03294   0.03006  -0.2058   0.9071   0.0160
  -9.500  -0.0670   0.03197   0.02910  -0.2032   0.9036   0.0162
  -9.250  -0.1522   0.01939   0.01519  -0.1941   0.8954   0.0100
  -9.000  -0.1328   0.01820   0.01383  -0.1939   0.8929   0.0102
  -8.750  -0.1180   0.01708   0.01257  -0.1925   0.8905   0.0103
  -8.500  -0.0985   0.01644   0.01187  -0.1917   0.8878   0.0106
  -8.250  -0.0777   0.01561   0.01091  -0.1911   0.8845   0.0108
  -8.000  -0.0548   0.01484   0.01003  -0.1908   0.8817   0.0111
  -7.750  -0.0296   0.01401   0.00907  -0.1910   0.8789   0.0113
  -7.500  -0.0070   0.01346   0.00844  -0.1904   0.8760   0.0116
  -7.250   0.0142   0.01287   0.00779  -0.1896   0.8725   0.0117
  -7.000   0.0378   0.01234   0.00718  -0.1892   0.8689   0.0120
  -6.750   0.0641   0.01188   0.00665  -0.1893   0.8653   0.0121
  -6.500   0.0899   0.01148   0.00618  -0.1892   0.8615   0.0123
  -6.250   0.1097   0.01071   0.00537  -0.1882   0.8563   0.0126
  -6.000   0.1345   0.01017   0.00477  -0.1881   0.8505   0.0132
  -5.750   0.1588   0.00985   0.00442  -0.1877   0.8442   0.0138
  -5.500   0.1828   0.00953   0.00406  -0.1872   0.8351   0.0145
  -5.250   0.2053   0.00925   0.00372  -0.1863   0.8215   0.0152
  -4.500   0.2461   0.00906   0.00293  -0.1777   0.7248   0.0181
  -4.250   0.2691   0.00897   0.00276  -0.1769   0.7177   0.0204
  -4.000   0.2956   0.00874   0.00258  -0.1770   0.7132   0.0316
  -3.750   0.3224   0.00851   0.00245  -0.1772   0.7088   0.0616
  -3.500   0.3492   0.00836   0.00237  -0.1774   0.7046   0.0939
  -3.250   0.3778   0.00818   0.00230  -0.1780   0.7010   0.1373
  -3.000   0.4063   0.00793   0.00222  -0.1787   0.6982   0.1927
  -2.750   0.4363   0.00762   0.00217  -0.1797   0.6954   0.2774
  -2.500   0.4673   0.00730   0.00214  -0.1811   0.6927   0.3825
  -2.250   0.4987   0.00705   0.00215  -0.1824   0.6900   0.4837
  -2.000   0.5301   0.00698   0.00218  -0.1836   0.6872   0.5437
  -1.750   0.5603   0.00692   0.00222  -0.1844   0.6848   0.5875
  -1.500   0.5880   0.00688   0.00228  -0.1845   0.6828   0.6323
  -1.250   0.6154   0.00690   0.00235  -0.1846   0.6805   0.6626
  -1.000   0.6429   0.00695   0.00241  -0.1847   0.6783   0.6787
  -0.750   0.6708   0.00702   0.00246  -0.1849   0.6762   0.6918
  -0.500   0.6991   0.00711   0.00253  -0.1851   0.6740   0.7032
  -0.250   0.7289   0.00722   0.00262  -0.1857   0.6717   0.7118
   0.000   0.7599   0.00735   0.00271  -0.1866   0.6692   0.7205
   0.250   0.7853   0.00738   0.00278  -0.1862   0.6676   0.7281
   0.500   0.8112   0.00745   0.00285  -0.1860   0.6656   0.7354
   0.750   0.8362   0.00750   0.00290  -0.1855   0.6628   0.7411
   1.000   0.8601   0.00756   0.00297  -0.1848   0.6595   0.7459
   1.250   0.8867   0.00767   0.00304  -0.1847   0.6559   0.7508
   1.500   0.9155   0.00779   0.00313  -0.1851   0.6527   0.7551
   1.750   0.9382   0.00781   0.00320  -0.1842   0.6503   0.7594
   2.000   0.9621   0.00787   0.00328  -0.1836   0.6474   0.7637
   2.250   0.9865   0.00794   0.00336  -0.1830   0.6443   0.7680
   2.500   1.0118   0.00804   0.00344  -0.1827   0.6411   0.7714
   2.750   1.0404   0.00814   0.00354  -0.1831   0.6375   0.7746
   3.000   1.0625   0.00819   0.00364  -0.1821   0.6350   0.7777
   3.250   1.0856   0.00826   0.00373  -0.1813   0.6317   0.7811
   3.500   1.1094   0.00834   0.00382  -0.1807   0.6283   0.7843
   3.750   1.1337   0.00845   0.00392  -0.1802   0.6244   0.7871
   4.000   1.1577   0.00853   0.00403  -0.1796   0.6203   0.7900
   4.250   1.1796   0.00860   0.00415  -0.1786   0.6163   0.7930
   4.500   1.2020   0.00869   0.00428  -0.1777   0.6119   0.7961
   4.750   1.2249   0.00883   0.00440  -0.1769   0.6073   0.7993
   5.000   1.2480   0.00893   0.00454  -0.1762   0.6027   0.8024
   5.250   1.2701   0.00902   0.00468  -0.1753   0.5972   0.8059
   5.500   1.2904   0.00919   0.00485  -0.1740   0.5912   0.8094
   5.750   1.3126   0.00930   0.00502  -0.1731   0.5848   0.8128
   6.000   1.3324   0.00949   0.00520  -0.1718   0.5769   0.8160
   6.250   1.3529   0.00965   0.00540  -0.1706   0.5662   0.8189
   6.500   1.3699   0.00990   0.00564  -0.1687   0.5517   0.8220
   6.750   1.3818   0.01032   0.00599  -0.1659   0.5269   0.8253
   7.000   1.3883   0.01102   0.00651  -0.1622   0.4870   0.8292
   7.250   1.3919   0.01197   0.00722  -0.1581   0.4411   0.8328
   7.500   1.3977   0.01289   0.00795  -0.1545   0.4003   0.8364
   7.750   1.4066   0.01372   0.00863  -0.1515   0.3675   0.8400
   8.000   1.4153   0.01458   0.00936  -0.1486   0.3363   0.8441
   8.250   1.4243   0.01548   0.01012  -0.1459   0.3067   0.8483
   8.500   1.4320   0.01641   0.01094  -0.1429   0.2776   0.8527
   8.750   1.4399   0.01738   0.01179  -0.1401   0.2508   0.8573
   9.000   1.4464   0.01847   0.01275  -0.1371   0.2234   0.8623
   9.250   1.4522   0.01960   0.01377  -0.1342   0.1965   0.8674
   9.500   1.4581   0.02077   0.01483  -0.1313   0.1714   0.8734
   9.750   1.4649   0.02194   0.01592  -0.1286   0.1499   0.8801
  10.000   1.4706   0.02316   0.01708  -0.1259   0.1298   0.8884
  10.250   1.4757   0.02447   0.01831  -0.1231   0.1096   0.8985
  10.500   1.4801   0.02577   0.01958  -0.1203   0.0926   0.9142
  10.750   1.4808   0.02710   0.02091  -0.1169   0.0751   1.0000
  11.000   1.4853   0.02877   0.02249  -0.1146   0.0574   1.0000
  11.250   1.4868   0.03072   0.02432  -0.1121   0.0395   1.0000
  11.500   1.4862   0.03293   0.02642  -0.1095   0.0227   1.0000
  11.750   1.4903   0.03485   0.02830  -0.1075   0.0146   1.0000
  12.000   1.4982   0.03650   0.02997  -0.1060   0.0125   1.0000
  12.250   1.5067   0.03814   0.03165  -0.1047   0.0113   1.0000
  12.500   1.5165   0.03970   0.03328  -0.1035   0.0107   1.0000
  12.750   1.5254   0.04139   0.03501  -0.1024   0.0102   1.0000
  13.000   1.5332   0.04323   0.03691  -0.1013   0.0097   1.0000
  13.250   1.5397   0.04524   0.03899  -0.1001   0.0093   1.0000
  13.500   1.5435   0.04756   0.04139  -0.0989   0.0089   1.0000
  13.750   1.5519   0.04943   0.04333  -0.0981   0.0087   1.0000
  14.000   1.5591   0.05147   0.04544  -0.0972   0.0085   1.0000
  14.250   1.5654   0.05364   0.04768  -0.0964   0.0083   1.0000
  14.500   1.5712   0.05588   0.05000  -0.0956   0.0081   1.0000
  14.750   1.5758   0.05829   0.05249  -0.0949   0.0079   1.0000
  15.000   1.5798   0.06080   0.05508  -0.0942   0.0078   1.0000
  15.250   1.5833   0.06342   0.05778  -0.0936   0.0076   1.0000
  15.500   1.5858   0.06621   0.06065  -0.0931   0.0075   1.0000
  15.750   1.5872   0.06918   0.06370  -0.0926   0.0073   1.0000
  16.000   1.5862   0.07251   0.06711  -0.0922   0.0071   1.0000
  16.250   1.5820   0.07632   0.07102  -0.0919   0.0069   1.0000
  16.500   1.5740   0.08077   0.07559  -0.0917   0.0068   1.0000
  16.750   1.5677   0.08510   0.08003  -0.0917   0.0067   1.0000
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