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EPPLER 520 AIRFOIL (e520-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 520 AIRFOIL (e520-il)
Reynolds number: 200,000
Max Cl/Cd: 45.16 at α=6.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e520-il-200000-n5.txt
Download as CSV file: xf-e520-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 520 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
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -0.8741   0.15125   0.14736   0.0200   1.0000   0.0103
 -18.250  -0.8893   0.14262   0.13860   0.0150   1.0000   0.0103
 -18.000  -0.9048   0.13418   0.13003   0.0100   1.0000   0.0104
 -17.750  -0.9172   0.12674   0.12246   0.0057   1.0000   0.0104
 -17.500  -0.9289   0.11974   0.11534   0.0017   1.0000   0.0104
 -17.250  -0.9410   0.11281   0.10830  -0.0023   1.0000   0.0106
 -17.000  -0.9520   0.10626   0.10162  -0.0060   1.0000   0.0107
 -16.750  -0.9631   0.09984   0.09508  -0.0096   1.0000   0.0109
 -16.500  -0.9733   0.09378   0.08889  -0.0129   1.0000   0.0110
 -16.250  -0.9825   0.08801   0.08300  -0.0160   1.0000   0.0112
 -16.000  -0.9903   0.08270   0.07755  -0.0188   1.0000   0.0114
 -15.750  -0.9981   0.07758   0.07230  -0.0213   1.0000   0.0116
 -15.500  -1.0039   0.07295   0.06754  -0.0235   1.0000   0.0118
 -15.250  -1.0084   0.06865   0.06311  -0.0254   1.0000   0.0122
 -15.000  -1.0128   0.06458   0.05889  -0.0270   1.0000   0.0126
 -14.750  -1.0141   0.06103   0.05520  -0.0283   1.0000   0.0132
 -14.500  -1.0157   0.05763   0.05163  -0.0292   1.0000   0.0138
 -14.250  -1.0191   0.05418   0.04807  -0.0301   1.0000   0.0143
 -14.000  -1.0221   0.05097   0.04478  -0.0307   1.0000   0.0149
 -13.750  -1.0214   0.04829   0.04202  -0.0311   1.0000   0.0157
 -13.500  -1.0197   0.04581   0.03943  -0.0312   1.0000   0.0163
 -13.250  -1.0167   0.04353   0.03704  -0.0312   1.0000   0.0174
 -13.000  -1.0131   0.04138   0.03474  -0.0309   1.0000   0.0181
 -12.750  -1.0102   0.03921   0.03246  -0.0305   1.0000   0.0191
 -12.500  -1.0076   0.03711   0.03033  -0.0301   1.0000   0.0203
 -12.250  -1.0000   0.03550   0.02865  -0.0297   1.0000   0.0220
 -12.000  -0.9921   0.03393   0.02698  -0.0291   1.0000   0.0237
 -11.750  -0.9840   0.03241   0.02537  -0.0284   1.0000   0.0253
 -11.500  -0.9787   0.03071   0.02365  -0.0275   1.0000   0.0272
 -11.250  -0.9688   0.02938   0.02227  -0.0268   1.0000   0.0296
 -11.000  -0.9571   0.02821   0.02101  -0.0261   1.0000   0.0322
 -10.750  -0.9486   0.02683   0.01963  -0.0252   1.0000   0.0349
 -10.500  -0.9371   0.02568   0.01844  -0.0244   1.0000   0.0387
 -10.000  -0.9011   0.02357   0.01611  -0.0250   0.8962   0.0486
  -9.500  -0.8772   0.02191   0.01430  -0.0220   0.8683   0.0608
  -9.250  -0.8651   0.02117   0.01349  -0.0204   0.8588   0.0679
  -9.000  -0.8531   0.02053   0.01279  -0.0184   0.8510   0.0765
  -8.750  -0.8415   0.01990   0.01214  -0.0165   0.8441   0.0864
  -8.500  -0.8272   0.01930   0.01152  -0.0148   0.8384   0.0976
  -8.250  -0.8114   0.01871   0.01093  -0.0134   0.8334   0.1112
  -8.000  -0.7941   0.01813   0.01037  -0.0123   0.8280   0.1268
  -7.750  -0.7765   0.01759   0.00984  -0.0111   0.8235   0.1448
  -7.500  -0.7586   0.01704   0.00933  -0.0099   0.8196   0.1639
  -7.250  -0.7393   0.01651   0.00884  -0.0090   0.8154   0.1855
  -7.000  -0.7199   0.01599   0.00838  -0.0081   0.8112   0.2082
  -6.750  -0.7001   0.01551   0.00795  -0.0071   0.8077   0.2337
  -6.500  -0.6793   0.01504   0.00755  -0.0063   0.8043   0.2602
  -6.250  -0.6581   0.01458   0.00717  -0.0056   0.8006   0.2883
  -6.000  -0.6366   0.01414   0.00680  -0.0049   0.7970   0.3188
  -5.750  -0.6148   0.01373   0.00647  -0.0042   0.7938   0.3501
  -5.500  -0.5926   0.01335   0.00618  -0.0035   0.7910   0.3821
  -5.250  -0.5692   0.01299   0.00594  -0.0030   0.7875   0.4146
  -5.000  -0.5454   0.01269   0.00572  -0.0025   0.7840   0.4473
  -4.750  -0.5211   0.01244   0.00556  -0.0019   0.7809   0.4782
  -4.500  -0.4963   0.01226   0.00545  -0.0014   0.7782   0.5077
  -4.250  -0.4705   0.01214   0.00541  -0.0011   0.7754   0.5353
  -4.000  -0.4439   0.01208   0.00539  -0.0008   0.7718   0.5592
  -3.750  -0.4170   0.01207   0.00540  -0.0006   0.7685   0.5795
  -3.500  -0.3899   0.01208   0.00539  -0.0004   0.7656   0.5968
  -3.250  -0.3626   0.01212   0.00538  -0.0002   0.7629   0.6115
  -3.000  -0.3349   0.01217   0.00542  -0.0002   0.7595   0.6241
  -2.750  -0.3071   0.01221   0.00545  -0.0002   0.7557   0.6352
  -2.500  -0.2793   0.01225   0.00543  -0.0001   0.7521   0.6459
  -2.250  -0.2516   0.01231   0.00543   0.0000   0.7490   0.6552
  -2.000  -0.2237   0.01237   0.00547   0.0000   0.7457   0.6631
  -1.750  -0.1958   0.01240   0.00547  -0.0001   0.7413   0.6717
  -1.500  -0.1678   0.01246   0.00551   0.0000   0.7375   0.6778
  -1.250  -0.1399   0.01249   0.00549   0.0000   0.7341   0.6850
  -1.000  -0.1119   0.01253   0.00551   0.0000   0.7303   0.6909
  -0.750  -0.0839   0.01257   0.00557   0.0000   0.7255   0.6966
  -0.500  -0.0560   0.01256   0.00551  -0.0001   0.7213   0.7031
  -0.250  -0.0280   0.01258   0.00552   0.0001   0.7178   0.7072
   0.000   0.0000   0.01260   0.00558   0.0000   0.7121   0.7122
   0.250   0.0280   0.01258   0.00552  -0.0001   0.7071   0.7178
   0.500   0.0560   0.01256   0.00551   0.0000   0.7031   0.7213
   0.750   0.0839   0.01257   0.00557   0.0000   0.6967   0.7255
   1.000   0.1120   0.01253   0.00552  -0.0001   0.6911   0.7303
   1.250   0.1400   0.01249   0.00550  -0.0001   0.6854   0.7341
   1.500   0.1678   0.01246   0.00552   0.0000   0.6779   0.7375
   1.750   0.1958   0.01240   0.00547   0.0001   0.6714   0.7414
   2.000   0.2237   0.01236   0.00545   0.0000   0.6627   0.7457
   2.250   0.2516   0.01230   0.00543   0.0000   0.6548   0.7490
   2.500   0.2794   0.01225   0.00543   0.0001   0.6459   0.7522
   2.750   0.3071   0.01222   0.00545   0.0002   0.6354   0.7557
   3.000   0.3350   0.01217   0.00542   0.0002   0.6243   0.7595
   3.250   0.3627   0.01212   0.00538   0.0002   0.6116   0.7629
   3.500   0.3900   0.01208   0.00539   0.0004   0.5969   0.7656
   3.750   0.4171   0.01207   0.00540   0.0006   0.5796   0.7685
   4.000   0.4440   0.01208   0.00539   0.0008   0.5593   0.7718
   4.250   0.4707   0.01214   0.00541   0.0010   0.5354   0.7754
   4.500   0.4964   0.01226   0.00545   0.0014   0.5080   0.7782
   4.750   0.5213   0.01244   0.00556   0.0019   0.4782   0.7809
   5.000   0.5456   0.01269   0.00572   0.0024   0.4473   0.7841
   5.250   0.5694   0.01299   0.00594   0.0029   0.4144   0.7875
   5.500   0.5928   0.01335   0.00618   0.0034   0.3823   0.7910
   5.750   0.6151   0.01373   0.00647   0.0041   0.3499   0.7938
   6.000   0.6369   0.01414   0.00680   0.0048   0.3183   0.7970
   6.250   0.6584   0.01458   0.00717   0.0056   0.2880   0.8006
   6.500   0.6797   0.01505   0.00755   0.0063   0.2597   0.8043
   6.750   0.7004   0.01552   0.00795   0.0070   0.2335   0.8077
   7.000   0.7204   0.01599   0.00839   0.0080   0.2085   0.8112
   7.250   0.7398   0.01651   0.00884   0.0089   0.1854   0.8153
   7.500   0.7592   0.01704   0.00933   0.0098   0.1638   0.8196
   7.750   0.7771   0.01760   0.00985   0.0110   0.1447   0.8235
   8.000   0.7948   0.01814   0.01038   0.0121   0.1268   0.8280
   8.250   0.8121   0.01872   0.01094   0.0133   0.1111   0.8333
   8.500   0.8281   0.01931   0.01152   0.0147   0.0975   0.8384
   8.750   0.8425   0.01991   0.01214   0.0163   0.0860   0.8440
   9.000   0.8542   0.02054   0.01280   0.0182   0.0762   0.8510
   9.250   0.8661   0.02118   0.01350   0.0202   0.0676   0.8587
   9.500   0.8783   0.02192   0.01430   0.0218   0.0608   0.8682
  10.000   0.9024   0.02357   0.01611   0.0248   0.0486   0.8959
  10.250   0.9171   0.02460   0.01722   0.0252   0.0432   0.9237
  10.500   0.9384   0.02568   0.01843   0.0242   0.0383   1.0000
  10.750   0.9498   0.02684   0.01962   0.0250   0.0348   1.0000
  11.000   0.9589   0.02818   0.02098   0.0259   0.0319   1.0000
  11.250   0.9706   0.02934   0.02223   0.0266   0.0293   1.0000
  11.500   0.9799   0.03073   0.02366   0.0273   0.0270   1.0000
  11.750   0.9846   0.03248   0.02543   0.0282   0.0250   1.0000
  12.000   0.9939   0.03391   0.02697   0.0288   0.0235   1.0000
  12.250   1.0018   0.03548   0.02863   0.0294   0.0218   1.0000
  12.500   1.0085   0.03718   0.03040   0.0299   0.0203   1.0000
  12.750   1.0109   0.03930   0.03255   0.0303   0.0191   1.0000
  13.000   1.0147   0.04139   0.03476   0.0307   0.0181   1.0000
  13.250   1.0185   0.04353   0.03704   0.0309   0.0172   1.0000
  13.500   1.0211   0.04585   0.03948   0.0310   0.0165   1.0000
  13.750   1.0231   0.04830   0.04202   0.0308   0.0156   1.0000
  14.000   1.0234   0.05102   0.04484   0.0305   0.0150   1.0000
  14.250   1.0202   0.05427   0.04816   0.0298   0.0143   1.0000
  14.500   1.0172   0.05766   0.05166   0.0290   0.0138   1.0000
  14.750   1.0161   0.06101   0.05517   0.0280   0.0133   1.0000
  15.000   1.0146   0.06459   0.05891   0.0267   0.0126   1.0000
  15.250   1.0109   0.06860   0.06305   0.0251   0.0122   1.0000
  15.500   1.0056   0.07297   0.06756   0.0232   0.0119   1.0000
  15.750   0.9997   0.07767   0.07239   0.0209   0.0115   1.0000
  16.000   0.9919   0.08283   0.07767   0.0183   0.0112   1.0000
  16.250   0.9844   0.08806   0.08304   0.0157   0.0112   1.0000
  16.500   0.9751   0.09381   0.08892   0.0126   0.0110   1.0000
  16.750   0.9645   0.09999   0.09522   0.0092   0.0108   1.0000
  17.000   0.9544   0.10620   0.10156   0.0057   0.0107   1.0000
  17.250   0.9429   0.11288   0.10836   0.0020   0.0106   1.0000
  17.500   0.9315   0.11970   0.11531  -0.0019   0.0105   1.0000
  17.750   0.9191   0.12684   0.12255  -0.0060   0.0104   1.0000
  18.000   0.9063   0.13431   0.13014  -0.0104   0.0103   1.0000
  18.250   0.8927   0.14231   0.13827  -0.0151   0.0103   1.0000
  18.500   0.8748   0.15175   0.14786  -0.0206   0.0103   1.0000
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