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EPPLER 657 AIRFOIL (e657-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 657 AIRFOIL (e657-il)
Reynolds number: 200,000
Max Cl/Cd: 70.19 at α=7.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e657-il-200000-n5.txt
Download as CSV file: xf-e657-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 657 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -11.750  -0.0917   0.09504   0.09033  -0.1178   0.8185   0.0131
 -11.500  -0.0878   0.09195   0.08724  -0.1191   0.8157   0.0129
 -11.250  -0.0887   0.08779   0.08309  -0.1208   0.8131   0.0128
 -11.000  -0.0869   0.08439   0.07967  -0.1223   0.8106   0.0126
 -10.750  -0.0925   0.07944   0.07474  -0.1244   0.8081   0.0124
 -10.500  -0.1011   0.07404   0.06939  -0.1268   0.8053   0.0121
 -10.250  -0.1213   0.06610   0.06151  -0.1306   0.8025   0.0118
 -10.000  -0.2434   0.04272   0.03755  -0.1436   0.7973   0.0107
  -9.750  -0.2728   0.03876   0.03321  -0.1414   0.7942   0.0105
  -9.500  -0.2852   0.03679   0.03102  -0.1385   0.7917   0.0106
  -9.250  -0.2912   0.03439   0.02833  -0.1362   0.7889   0.0105
  -9.000  -0.2884   0.03245   0.02615  -0.1343   0.7861   0.0106
  -8.750  -0.2813   0.03056   0.02396  -0.1327   0.7835   0.0107
  -8.500  -0.2695   0.02899   0.02217  -0.1314   0.7813   0.0108
  -8.250  -0.2552   0.02744   0.02036  -0.1303   0.7794   0.0110
  -8.000  -0.2383   0.02611   0.01878  -0.1293   0.7778   0.0113
  -7.750  -0.2193   0.02488   0.01732  -0.1285   0.7763   0.0114
  -7.500  -0.1999   0.02376   0.01601  -0.1277   0.7746   0.0118
  -7.250  -0.1800   0.02276   0.01487  -0.1269   0.7726   0.0122
  -7.000  -0.1594   0.02182   0.01376  -0.1260   0.7703   0.0127
  -6.750  -0.1384   0.02098   0.01281  -0.1253   0.7682   0.0133
  -6.500  -0.1165   0.02032   0.01210  -0.1247   0.7664   0.0139
  -6.250  -0.0934   0.01979   0.01147  -0.1243   0.7647   0.0152
  -6.000  -0.0700   0.01925   0.01086  -0.1239   0.7632   0.0167
  -5.750  -0.0459   0.01878   0.01032  -0.1236   0.7617   0.0187
  -5.500  -0.0217   0.01824   0.00971  -0.1233   0.7603   0.0207
  -5.250   0.0025   0.01776   0.00915  -0.1229   0.7588   0.0236
  -5.000   0.0251   0.01740   0.00880  -0.1224   0.7566   0.0289
  -4.750   0.0485   0.01704   0.00846  -0.1219   0.7546   0.0380
  -4.500   0.0724   0.01669   0.00816  -0.1216   0.7527   0.0514
  -4.250   0.0966   0.01634   0.00791  -0.1213   0.7508   0.0724
  -4.000   0.1213   0.01598   0.00768  -0.1212   0.7488   0.1036
  -3.750   0.1466   0.01562   0.00746  -0.1212   0.7471   0.1445
  -3.500   0.1724   0.01528   0.00727  -0.1213   0.7457   0.1944
  -3.250   0.1986   0.01494   0.00710  -0.1214   0.7444   0.2542
  -3.000   0.2252   0.01456   0.00695  -0.1217   0.7431   0.3288
  -2.750   0.2481   0.01424   0.00696  -0.1214   0.7408   0.4165
  -2.500   0.2702   0.01395   0.00706  -0.1207   0.7384   0.5170
  -2.250   0.2924   0.01380   0.00725  -0.1197   0.7361   0.6084
  -2.000   0.3150   0.01383   0.00745  -0.1184   0.7339   0.6720
  -1.750   0.3397   0.01392   0.00757  -0.1176   0.7319   0.7153
  -1.500   0.3643   0.01405   0.00771  -0.1167   0.7302   0.7422
  -1.250   0.3896   0.01419   0.00782  -0.1159   0.7286   0.7634
  -1.000   0.4164   0.01433   0.00790  -0.1154   0.7271   0.7812
  -0.750   0.4412   0.01454   0.00807  -0.1148   0.7250   0.7970
  -0.500   0.4620   0.01482   0.00835  -0.1137   0.7216   0.8111
  -0.250   0.4858   0.01501   0.00850  -0.1130   0.7187   0.8237
   0.000   0.5087   0.01513   0.00860  -0.1119   0.7161   0.8333
   0.250   0.5335   0.01519   0.00863  -0.1112   0.7140   0.8430
   0.500   0.5605   0.01522   0.00860  -0.1109   0.7121   0.8528
   0.750   0.5862   0.01522   0.00856  -0.1102   0.7105   0.8601
   1.000   0.6037   0.01547   0.00885  -0.1085   0.7064   0.8697
   1.250   0.6208   0.01560   0.00901  -0.1064   0.7024   0.8764
   1.500   0.6460   0.01562   0.00901  -0.1060   0.6995   0.8830
   1.750   0.6730   0.01556   0.00892  -0.1058   0.6970   0.8881
   2.000   0.7013   0.01545   0.00878  -0.1058   0.6950   0.8930
   2.250   0.7217   0.01559   0.00894  -0.1047   0.6911   0.8993
   2.500   0.7378   0.01572   0.00913  -0.1027   0.6861   0.9051
   2.750   0.7625   0.01566   0.00907  -0.1021   0.6828   0.9104
   3.000   0.7924   0.01554   0.00892  -0.1026   0.6801   0.9150
   3.250   0.8199   0.01541   0.00879  -0.1025   0.6773   0.9191
   3.500   0.8286   0.01566   0.00914  -0.0993   0.6705   0.9264
   3.750   0.8537   0.01557   0.00907  -0.0989   0.6665   0.9315
   4.000   0.8839   0.01535   0.00883  -0.0993   0.6635   0.9355
   4.250   0.8946   0.01557   0.00913  -0.0965   0.6567   0.9436
   4.500   0.9164   0.01551   0.00913  -0.0955   0.6514   0.9500
   4.750   0.9487   0.01526   0.00888  -0.0963   0.6477   0.9547
   5.000   0.9588   0.01554   0.00927  -0.0936   0.6390   0.9652
   5.250   0.9905   0.01537   0.00912  -0.0945   0.6335   0.9717
   5.500   1.0104   0.01559   0.00942  -0.0938   0.6246   0.9928
   5.750   1.0387   0.01546   0.00930  -0.0941   0.6179   1.0000
   6.000   1.0515   0.01582   0.00972  -0.0922   0.6075   1.0000
   6.250   1.0754   0.01586   0.00978  -0.0918   0.5984   1.0000
   6.500   1.0988   0.01593   0.00985  -0.0914   0.5876   1.0000
   6.750   1.1176   0.01618   0.01013  -0.0904   0.5747   1.0000
   7.000   1.1393   0.01635   0.01029  -0.0898   0.5605   1.0000
   7.250   1.1608   0.01656   0.01046  -0.0891   0.5448   1.0000
   7.500   1.1813   0.01683   0.01066  -0.0883   0.5269   1.0000
   7.750   1.1991   0.01723   0.01100  -0.0871   0.5079   1.0000
   8.000   1.2132   0.01784   0.01154  -0.0856   0.4879   1.0000
   8.250   1.2252   0.01856   0.01218  -0.0838   0.4672   1.0000
   8.500   1.2356   0.01941   0.01295  -0.0819   0.4472   1.0000
   8.750   1.2446   0.02036   0.01382  -0.0799   0.4275   1.0000
   9.000   1.2525   0.02141   0.01481  -0.0779   0.4074   1.0000
   9.250   1.2598   0.02254   0.01588  -0.0759   0.3880   1.0000
   9.500   1.2665   0.02374   0.01701  -0.0739   0.3690   1.0000
   9.750   1.2726   0.02501   0.01823  -0.0719   0.3506   1.0000
  10.250   1.2851   0.02767   0.02079  -0.0683   0.3154   1.0000
  10.500   1.2918   0.02904   0.02212  -0.0667   0.2985   1.0000
  10.750   1.2981   0.03047   0.02353  -0.0651   0.2819   1.0000
  11.000   1.3045   0.03195   0.02497  -0.0636   0.2655   1.0000
  11.250   1.3107   0.03347   0.02647  -0.0621   0.2501   1.0000
  11.500   1.3171   0.03504   0.02801  -0.0608   0.2352   1.0000
  11.750   1.3231   0.03668   0.02963  -0.0595   0.2206   1.0000
  12.000   1.3292   0.03837   0.03130  -0.0583   0.2068   1.0000
  12.250   1.3352   0.04010   0.03303  -0.0572   0.1932   1.0000
  12.500   1.3417   0.04185   0.03477  -0.0562   0.1798   1.0000
  12.750   1.3480   0.04367   0.03659  -0.0552   0.1671   1.0000
  13.000   1.3541   0.04554   0.03847  -0.0543   0.1553   1.0000
  13.250   1.3594   0.04752   0.04046  -0.0535   0.1443   1.0000
  13.500   1.3640   0.04963   0.04257  -0.0527   0.1336   1.0000
  13.750   1.3688   0.05177   0.04472  -0.0520   0.1229   1.0000
  14.000   1.3745   0.05387   0.04686  -0.0514   0.1134   1.0000
  14.250   1.3786   0.05618   0.04919  -0.0508   0.1047   1.0000
  14.500   1.3819   0.05862   0.05165  -0.0503   0.0967   1.0000
  14.750   1.3869   0.06093   0.05404  -0.0499   0.0890   1.0000
  15.000   1.3894   0.06359   0.05673  -0.0496   0.0825   1.0000
  15.250   1.3930   0.06616   0.05936  -0.0494   0.0758   1.0000
  15.500   1.3953   0.06894   0.06220  -0.0493   0.0703   1.0000
  15.750   1.3969   0.07187   0.06518  -0.0493   0.0647   1.0000
  16.000   1.3988   0.07482   0.06822  -0.0493   0.0599   1.0000
  16.250   1.3990   0.07805   0.07151  -0.0495   0.0554   1.0000
  16.500   1.3998   0.08127   0.07483  -0.0498   0.0515   1.0000
  16.750   1.3993   0.08471   0.07834  -0.0503   0.0476   1.0000
  17.000   1.3983   0.08828   0.08201  -0.0508   0.0444   1.0000
  17.250   1.3974   0.09192   0.08575  -0.0515   0.0411   1.0000
  17.500   1.3939   0.09600   0.08989  -0.0524   0.0387   1.0000
  17.750   1.3933   0.09968   0.09371  -0.0534   0.0359   1.0000
  18.000   1.3893   0.10392   0.09804  -0.0546   0.0336   1.0000
  18.250   1.3865   0.10806   0.10229  -0.0558   0.0317   1.0000
  18.500   1.3838   0.11222   0.10659  -0.0573   0.0297   1.0000
  18.750   1.3784   0.11687   0.11131  -0.0590   0.0281   1.0000
  19.000   1.3750   0.12124   0.11581  -0.0607   0.0265   1.0000
  19.250   1.3715   0.12565   0.12035  -0.0626   0.0250   1.0000
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