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EPPLER 664 AIRFOIL (e664-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 664 AIRFOIL (e664-il)
Reynolds number: 1,000,000
Max Cl/Cd: 120.94 at α=5.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e664-il-1000000.txt
Download as CSV file: xf-e664-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 664 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  -0.1859   0.08427   0.08180  -0.1029   0.8012   0.0166
 -12.500  -0.1971   0.07764   0.07515  -0.1057   0.7990   0.0169
 -11.750  -0.5371   0.03443   0.03044  -0.1238   0.8026   0.0116
 -11.500  -0.5519   0.03169   0.02744  -0.1201   0.7976   0.0113
 -11.250  -0.5580   0.02949   0.02504  -0.1170   0.7937   0.0111
 -11.000  -0.5617   0.02742   0.02272  -0.1137   0.7897   0.0110
 -10.750  -0.5591   0.02565   0.02073  -0.1109   0.7862   0.0109
 -10.500  -0.5527   0.02374   0.01855  -0.1085   0.7827   0.0109
 -10.250  -0.5402   0.02220   0.01682  -0.1068   0.7803   0.0107
 -10.000  -0.5247   0.02099   0.01545  -0.1054   0.7778   0.0109
  -9.750  -0.5071   0.02000   0.01434  -0.1043   0.7753   0.0110
  -9.500  -0.4871   0.01901   0.01323  -0.1035   0.7728   0.0110
  -9.250  -0.4665   0.01815   0.01228  -0.1027   0.7706   0.0111
  -9.000  -0.4461   0.01748   0.01152  -0.1019   0.7683   0.0114
  -8.750  -0.4254   0.01693   0.01087  -0.1011   0.7657   0.0116
  -8.500  -0.4044   0.01623   0.01012  -0.1003   0.7643   0.0117
  -8.250  -0.3840   0.01564   0.00948  -0.0994   0.7626   0.0118
  -8.000  -0.3636   0.01525   0.00906  -0.0985   0.7608   0.0121
  -7.750  -0.3433   0.01483   0.00859  -0.0975   0.7590   0.0122
  -7.500  -0.3240   0.01433   0.00805  -0.0964   0.7572   0.0123
  -7.250  -0.3095   0.01360   0.00727  -0.0944   0.7552   0.0125
  -7.000  -0.2955   0.01307   0.00669  -0.0923   0.7532   0.0129
  -6.750  -0.2771   0.01273   0.00630  -0.0910   0.7512   0.0131
  -6.500  -0.2567   0.01239   0.00594  -0.0900   0.7493   0.0137
  -6.250  -0.2353   0.01209   0.00563  -0.0891   0.7481   0.0142
  -6.000  -0.2133   0.01181   0.00534  -0.0883   0.7468   0.0148
  -5.750  -0.1907   0.01156   0.00506  -0.0877   0.7453   0.0153
  -5.500  -0.1689   0.01124   0.00472  -0.0868   0.7436   0.0160
  -5.250  -0.1464   0.01096   0.00442  -0.0861   0.7420   0.0169
  -5.000  -0.1228   0.01073   0.00418  -0.0856   0.7405   0.0182
  -4.750  -0.0987   0.01052   0.00396  -0.0852   0.7390   0.0201
  -4.500  -0.0756   0.01025   0.00373  -0.0846   0.7375   0.0288
  -4.250  -0.0551   0.00982   0.00351  -0.0837   0.7357   0.0722
  -4.000  -0.0324   0.00952   0.00336  -0.0832   0.7336   0.1133
  -3.750  -0.0106   0.00913   0.00320  -0.0825   0.7323   0.1664
  -3.500   0.0105   0.00865   0.00301  -0.0819   0.7309   0.2425
  -3.250   0.0310   0.00804   0.00280  -0.0812   0.7292   0.3453
  -3.000   0.0507   0.00714   0.00246  -0.0806   0.7273   0.5033
  -2.750   0.0731   0.00630   0.00231  -0.0804   0.7255   0.6941
  -2.500   0.1021   0.00639   0.00245  -0.0806   0.7239   0.7289
  -2.250   0.1316   0.00650   0.00253  -0.0810   0.7224   0.7427
  -2.000   0.1612   0.00665   0.00265  -0.0814   0.7208   0.7526
  -1.750   0.1904   0.00690   0.00288  -0.0817   0.7191   0.7605
  -1.500   0.2200   0.00710   0.00305  -0.0821   0.7171   0.7650
  -1.250   0.2493   0.00720   0.00312  -0.0825   0.7159   0.7697
  -1.000   0.2770   0.00742   0.00339  -0.0823   0.7142   0.7749
  -0.750   0.3048   0.00771   0.00370  -0.0821   0.7120   0.7804
  -0.500   0.3339   0.00798   0.00395  -0.0823   0.7092   0.7864
  -0.250   0.3609   0.00808   0.00407  -0.0820   0.7068   0.7894
   0.000   0.3892   0.00817   0.00414  -0.0821   0.7046   0.7909
   0.250   0.4186   0.00821   0.00414  -0.0827   0.7021   0.7917
   0.500   0.4472   0.00820   0.00413  -0.0831   0.6998   0.7927
   0.750   0.4755   0.00816   0.00410  -0.0834   0.6973   0.7937
   1.000   0.5042   0.00812   0.00406  -0.0838   0.6946   0.7946
   1.250   0.5331   0.00808   0.00401  -0.0843   0.6918   0.7954
   1.500   0.5620   0.00806   0.00396  -0.0848   0.6891   0.7964
   1.750   0.5915   0.00809   0.00395  -0.0854   0.6857   0.7975
   2.000   0.6195   0.00803   0.00392  -0.0857   0.6827   0.7985
   2.250   0.6479   0.00798   0.00389  -0.0861   0.6791   0.7993
   2.500   0.6764   0.00794   0.00384  -0.0865   0.6754   0.8002
   2.750   0.7052   0.00793   0.00380  -0.0870   0.6715   0.8009
   3.000   0.7335   0.00792   0.00381  -0.0874   0.6675   0.8015
   3.250   0.7612   0.00788   0.00379  -0.0876   0.6624   0.8022
   3.500   0.7884   0.00780   0.00371  -0.0877   0.6571   0.8032
   3.750   0.8155   0.00777   0.00370  -0.0878   0.6517   0.8039
   4.000   0.8424   0.00774   0.00370  -0.0879   0.6448   0.8045
   4.250   0.8688   0.00775   0.00370  -0.0878   0.6374   0.8052
   4.500   0.8950   0.00775   0.00372  -0.0877   0.6278   0.8058
   4.750   0.9205   0.00779   0.00376  -0.0875   0.6163   0.8065
   5.000   0.9445   0.00786   0.00380  -0.0870   0.6012   0.8072
   5.250   0.9663   0.00799   0.00388  -0.0860   0.5816   0.8080
   5.500   0.9859   0.00820   0.00400  -0.0846   0.5576   0.8088
   6.000   1.0204   0.00877   0.00439  -0.0810   0.5079   0.8109
   6.250   1.0351   0.00910   0.00462  -0.0787   0.4822   0.8120
   6.500   1.0431   0.00947   0.00487  -0.0751   0.4517   0.8131
   6.750   1.0487   0.00995   0.00520  -0.0711   0.4190   0.8142
   7.000   1.0539   0.01056   0.00564  -0.0673   0.3839   0.8153
   7.250   1.0620   0.01113   0.00608  -0.0641   0.3558   0.8162
   7.500   1.0714   0.01169   0.00654  -0.0612   0.3312   0.8170
   7.750   1.0815   0.01226   0.00701  -0.0586   0.3090   0.8178
   8.000   1.0893   0.01287   0.00752  -0.0557   0.2842   0.8190
   8.250   1.0973   0.01355   0.00811  -0.0529   0.2609   0.8201
   8.500   1.1053   0.01430   0.00877  -0.0502   0.2389   0.8212
   8.750   1.1134   0.01509   0.00948  -0.0477   0.2174   0.8222
   9.000   1.1221   0.01592   0.01022  -0.0454   0.1966   0.8231
   9.250   1.1295   0.01685   0.01105  -0.0431   0.1756   0.8240
   9.500   1.1390   0.01773   0.01185  -0.0411   0.1571   0.8250
   9.750   1.1489   0.01862   0.01267  -0.0393   0.1403   0.8259
  10.000   1.1577   0.01961   0.01357  -0.0373   0.1228   0.8268
  10.250   1.1657   0.02067   0.01454  -0.0354   0.1057   0.8277
  10.500   1.1763   0.02162   0.01544  -0.0339   0.0931   0.8286
  10.750   1.1864   0.02262   0.01638  -0.0324   0.0811   0.8294
  11.000   1.1958   0.02369   0.01740  -0.0308   0.0689   0.8302
  11.250   1.2055   0.02479   0.01844  -0.0294   0.0579   0.8311
  11.500   1.2138   0.02598   0.01958  -0.0279   0.0469   0.8318
  11.750   1.2216   0.02726   0.02080  -0.0264   0.0362   0.8325
  12.000   1.2242   0.02892   0.02235  -0.0245   0.0222   0.8332
  12.250   1.2304   0.03035   0.02375  -0.0230   0.0152   0.8342
  12.500   1.2396   0.03162   0.02503  -0.0219   0.0129   0.8350
  12.750   1.2496   0.03287   0.02633  -0.0208   0.0117   0.8359
  13.000   1.2596   0.03415   0.02766  -0.0198   0.0108   0.8366
  13.250   1.2700   0.03543   0.02899  -0.0190   0.0104   0.8374
  13.500   1.2774   0.03697   0.03059  -0.0179   0.0098   0.8382
  13.750   1.2848   0.03858   0.03226  -0.0170   0.0094   0.8390
  14.000   1.2939   0.04007   0.03382  -0.0163   0.0092   0.8398
  14.250   1.3030   0.04160   0.03542  -0.0156   0.0090   0.8406
  14.500   1.3105   0.04331   0.03720  -0.0149   0.0087   0.8414
  14.750   1.3181   0.04505   0.03901  -0.0143   0.0086   0.8421
  15.000   1.3241   0.04699   0.04102  -0.0138   0.0084   0.8430
  15.250   1.3298   0.04902   0.04311  -0.0133   0.0082   0.8439
  15.500   1.3343   0.05122   0.04539  -0.0128   0.0080   0.8447
  15.750   1.3381   0.05353   0.04777  -0.0125   0.0079   0.8455
  16.000   1.3402   0.05611   0.05043  -0.0123   0.0076   0.8462
  16.250   1.3384   0.05922   0.05363  -0.0121   0.0075   0.8468
  16.500   1.3373   0.06236   0.05687  -0.0121   0.0074   0.8473
  16.750   1.3279   0.06661   0.06124  -0.0123   0.0072   0.8477
  17.000   1.3289   0.06968   0.06440  -0.0127   0.0072   0.8484
  17.250   1.3293   0.07291   0.06772  -0.0132   0.0071   0.8493
  17.500   1.3309   0.07606   0.07096  -0.0139   0.0070   0.8502
  17.750   1.3293   0.07972   0.07473  -0.0147   0.0070   0.8509
  18.000   1.3269   0.08354   0.07865  -0.0157   0.0069   0.8516
  18.250   1.3242   0.08751   0.08272  -0.0169   0.0068   0.8523
  18.500   1.3205   0.09171   0.08703  -0.0182   0.0068   0.8529
  18.750   1.3169   0.09599   0.09142  -0.0198   0.0067   0.8536
  19.000   1.3130   0.10040   0.09593  -0.0215   0.0067   0.8542
  19.250   1.3066   0.10522   0.10086  -0.0234   0.0066   0.8548
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