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EPPLER 657 AIRFOIL (e657-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 657 AIRFOIL (e657-il)
Reynolds number: 1,000,000
Max Cl/Cd: 145.03 at α=3.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e657-il-1000000-n5.txt
Download as CSV file: xf-e657-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.750  -0.2629   0.08645   0.08331  -0.1164   0.7510   0.0041
 -13.500  -0.3516   0.06706   0.06378  -0.1254   0.7499   0.0040
 -13.250  -0.4117   0.05204   0.04858  -0.1341   0.7480   0.0039
 -13.000  -0.4607   0.04009   0.03635  -0.1429   0.7455   0.0038
 -12.500  -0.4764   0.03361   0.02963  -0.1455   0.7412   0.0038
 -12.250  -0.4955   0.03023   0.02607  -0.1448   0.7390   0.0038
 -12.000  -0.4955   0.02861   0.02434  -0.1437   0.7371   0.0039
 -11.750  -0.5040   0.02656   0.02213  -0.1415   0.7351   0.0039
 -11.500  -0.4978   0.02558   0.02106  -0.1399   0.7333   0.0039
 -11.250  -0.5025   0.02411   0.01945  -0.1368   0.7313   0.0039
 -11.000  -0.4972   0.02341   0.01865  -0.1342   0.7296   0.0039
 -10.750  -0.4899   0.02224   0.01732  -0.1322   0.7279   0.0039
 -10.250  -0.4613   0.02050   0.01535  -0.1297   0.7252   0.0040
 -10.000  -0.4455   0.01956   0.01429  -0.1285   0.7239   0.0040
  -9.750  -0.4278   0.01872   0.01333  -0.1276   0.7225   0.0040
  -9.500  -0.4088   0.01793   0.01243  -0.1268   0.7211   0.0040
  -9.250  -0.3891   0.01714   0.01154  -0.1260   0.7197   0.0040
  -9.000  -0.3699   0.01624   0.01052  -0.1252   0.7184   0.0041
  -8.750  -0.3486   0.01553   0.00971  -0.1246   0.7171   0.0041
  -8.500  -0.3273   0.01477   0.00884  -0.1239   0.7159   0.0042
  -8.250  -0.3041   0.01420   0.00819  -0.1235   0.7146   0.0042
  -8.000  -0.2810   0.01361   0.00751  -0.1231   0.7134   0.0043
  -7.750  -0.2564   0.01317   0.00700  -0.1229   0.7120   0.0043
  -7.500  -0.2315   0.01274   0.00650  -0.1227   0.7105   0.0044
  -7.250  -0.2058   0.01236   0.00608  -0.1226   0.7093   0.0045
  -7.000  -0.1798   0.01199   0.00568  -0.1226   0.7084   0.0046
  -6.750  -0.1534   0.01166   0.00532  -0.1226   0.7075   0.0048
  -6.500  -0.1268   0.01136   0.00498  -0.1226   0.7064   0.0049
  -6.250  -0.0999   0.01107   0.00467  -0.1226   0.7053   0.0052
  -6.000  -0.0728   0.01082   0.00438  -0.1227   0.7041   0.0054
  -5.750  -0.0454   0.01058   0.00411  -0.1228   0.7028   0.0058
  -5.500  -0.0181   0.01033   0.00384  -0.1229   0.7015   0.0063
  -5.250   0.0094   0.01010   0.00360  -0.1231   0.7003   0.0070
  -5.000   0.0371   0.00992   0.00339  -0.1233   0.6992   0.0078
  -4.750   0.0649   0.00973   0.00319  -0.1235   0.6979   0.0094
  -4.500   0.0927   0.00955   0.00301  -0.1237   0.6965   0.0122
  -4.250   0.1206   0.00938   0.00284  -0.1239   0.6952   0.0175
  -4.000   0.1487   0.00922   0.00271  -0.1242   0.6938   0.0250
  -3.750   0.1768   0.00903   0.00257  -0.1244   0.6929   0.0357
  -3.500   0.2050   0.00884   0.00245  -0.1248   0.6918   0.0509
  -3.250   0.2330   0.00860   0.00233  -0.1251   0.6906   0.0761
  -3.000   0.2611   0.00837   0.00223  -0.1255   0.6893   0.1101
  -2.750   0.2893   0.00813   0.00213  -0.1258   0.6879   0.1502
  -2.500   0.3178   0.00795   0.00205  -0.1262   0.6864   0.1835
  -2.250   0.3463   0.00778   0.00198  -0.1267   0.6849   0.2199
  -2.000   0.3749   0.00760   0.00192  -0.1271   0.6834   0.2606
  -1.750   0.4033   0.00736   0.00186  -0.1276   0.6817   0.3229
  -1.500   0.4319   0.00715   0.00181  -0.1281   0.6798   0.3840
  -1.250   0.4606   0.00695   0.00177  -0.1286   0.6778   0.4478
  -0.750   0.5187   0.00653   0.00174  -0.1297   0.6741   0.5767
  -0.500   0.5478   0.00639   0.00174  -0.1302   0.6718   0.6262
  -0.250   0.5767   0.00629   0.00175  -0.1306   0.6693   0.6698
   0.000   0.6055   0.00626   0.00177  -0.1309   0.6667   0.7005
   0.250   0.6342   0.00626   0.00178  -0.1313   0.6641   0.7190
   0.500   0.6629   0.00627   0.00180  -0.1316   0.6616   0.7332
   0.750   0.6917   0.00625   0.00185  -0.1319   0.6589   0.7460
   1.000   0.7202   0.00625   0.00190  -0.1322   0.6556   0.7588
   1.250   0.7483   0.00628   0.00196  -0.1323   0.6519   0.7723
   1.500   0.7762   0.00634   0.00202  -0.1324   0.6482   0.7849
   1.750   0.8048   0.00639   0.00208  -0.1327   0.6447   0.7952
   2.000   0.8332   0.00645   0.00215  -0.1330   0.6404   0.8030
   2.250   0.8613   0.00651   0.00219  -0.1332   0.6354   0.8102
   2.500   0.8887   0.00658   0.00225  -0.1333   0.6300   0.8151
   2.750   0.9165   0.00664   0.00232  -0.1334   0.6229   0.8193
   3.000   0.9435   0.00673   0.00237  -0.1335   0.6153   0.8229
   3.250   0.9703   0.00680   0.00243  -0.1334   0.6060   0.8256
   3.500   0.9961   0.00690   0.00252  -0.1332   0.5958   0.8285
   3.750   1.0210   0.00704   0.00262  -0.1328   0.5832   0.8315
   4.000   1.0448   0.00722   0.00275  -0.1323   0.5674   0.8345
   4.250   1.0676   0.00745   0.00290  -0.1315   0.5494   0.8372
   4.500   1.0883   0.00772   0.00310  -0.1303   0.5283   0.8396
   4.750   1.1070   0.00805   0.00333  -0.1288   0.5061   0.8420
   5.000   1.1247   0.00839   0.00359  -0.1271   0.4830   0.8444
   5.500   1.1560   0.00914   0.00417  -0.1229   0.4405   0.8497
   5.750   1.1676   0.00949   0.00445  -0.1200   0.4214   0.8525
   6.000   1.1774   0.00992   0.00480  -0.1168   0.4013   0.8556
   6.250   1.1882   0.01034   0.00518  -0.1139   0.3842   0.8585
   6.500   1.1963   0.01088   0.00564  -0.1106   0.3646   0.8611
   6.750   1.2066   0.01140   0.00610  -0.1079   0.3477   0.8633
   7.000   1.2161   0.01198   0.00663  -0.1051   0.3305   0.8656
   7.250   1.2245   0.01266   0.00724  -0.1023   0.3125   0.8680
   7.750   1.2423   0.01411   0.00859  -0.0971   0.2803   0.8722
   8.000   1.2522   0.01487   0.00932  -0.0949   0.2665   0.8744
   8.250   1.2614   0.01571   0.01011  -0.0926   0.2514   0.8765
   8.500   1.2703   0.01662   0.01096  -0.0904   0.2354   0.8788
   8.750   1.2797   0.01754   0.01184  -0.0884   0.2206   0.8811
   9.000   1.2902   0.01844   0.01270  -0.0866   0.2083   0.8834
   9.250   1.3014   0.01933   0.01356  -0.0849   0.1958   0.8854
   9.500   1.3111   0.02030   0.01450  -0.0831   0.1824   0.8882
   9.750   1.3210   0.02128   0.01545  -0.0813   0.1704   0.8914
  10.000   1.3315   0.02225   0.01640  -0.0797   0.1593   0.8947
  10.250   1.3406   0.02334   0.01745  -0.0780   0.1472   0.8983
  10.750   1.3589   0.02554   0.01960  -0.0747   0.1238   0.9068
  11.000   1.3690   0.02662   0.02066  -0.0732   0.1137   0.9120
  11.250   1.3783   0.02775   0.02178  -0.0717   0.1043   0.9184
  11.500   1.3865   0.02893   0.02297  -0.0701   0.0952   0.9290
  11.750   1.3984   0.02999   0.02408  -0.0691   0.0875   0.9578
  12.750   1.4386   0.03533   0.02935  -0.0651   0.0586   1.0000
  13.000   1.4486   0.03672   0.03073  -0.0642   0.0535   1.0000
  13.250   1.4578   0.03821   0.03222  -0.0633   0.0481   1.0000
  13.500   1.4650   0.03989   0.03387  -0.0623   0.0411   1.0000
  14.000   1.4785   0.04344   0.03740  -0.0605   0.0297   1.0000
  14.250   1.4848   0.04533   0.03927  -0.0596   0.0244   1.0000
  14.500   1.4927   0.04710   0.04106  -0.0589   0.0222   1.0000
  14.750   1.5005   0.04891   0.04289  -0.0583   0.0197   1.0000
  15.000   1.5083   0.05076   0.04478  -0.0578   0.0178   1.0000
  15.250   1.5146   0.05280   0.04685  -0.0572   0.0155   1.0000
  15.500   1.5215   0.05482   0.04891  -0.0568   0.0138   1.0000
  15.750   1.5278   0.05694   0.05106  -0.0564   0.0125   1.0000
  16.000   1.5340   0.05909   0.05326  -0.0561   0.0113   1.0000
  16.250   1.5391   0.06143   0.05565  -0.0558   0.0103   1.0000
  16.500   1.5444   0.06377   0.05805  -0.0556   0.0092   1.0000
  16.750   1.5484   0.06632   0.06065  -0.0555   0.0083   1.0000
  17.000   1.5531   0.06884   0.06324  -0.0555   0.0076   1.0000
  17.250   1.5571   0.07147   0.06593  -0.0555   0.0069   1.0000
  17.500   1.5594   0.07437   0.06889  -0.0557   0.0064   1.0000
  17.750   1.5627   0.07719   0.07178  -0.0559   0.0058   1.0000
  18.000   1.5633   0.08042   0.07508  -0.0563   0.0051   1.0000
  18.250   1.5645   0.08364   0.07836  -0.0567   0.0047   1.0000
  18.500   1.5654   0.08691   0.08172  -0.0573   0.0043   1.0000
  18.750   1.5655   0.09035   0.08523  -0.0580   0.0039   1.0000
  19.000   1.5634   0.09417   0.08914  -0.0588   0.0035   1.0000
  19.250   1.5623   0.09790   0.09296  -0.0598   0.0032   1.0000
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