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EPPLER 337 AIRFOIL (e337-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 337 AIRFOIL (e337-il)
Reynolds number: 1,000,000
Max Cl/Cd: 107.3 at α=9.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e337-il-1000000.txt
Download as CSV file: xf-e337-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 337 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
  ------ -------- --------- --------- -------- -------- --------
 -10.750  -0.2939   0.09947   0.09801  -0.0206   1.0000   0.0090
 -10.500  -0.2934   0.09552   0.09407  -0.0218   1.0000   0.0090
 -10.250  -0.2959   0.09064   0.08920  -0.0235   1.0000   0.0091
 -10.000  -0.2853   0.08408   0.08261  -0.0294   0.9405   0.0091
  -9.750  -0.2826   0.07750   0.07570  -0.0343   0.8462   0.0091
  -9.500  -0.2874   0.07338   0.07139  -0.0353   0.7961   0.0091
  -9.250  -0.3010   0.06786   0.06579  -0.0371   0.7716   0.0094
  -9.000  -0.3133   0.06175   0.05962  -0.0408   0.7542   0.0093
  -8.750  -0.3359   0.05528   0.05310  -0.0459   0.7414   0.0094
  -8.500  -0.3555   0.05094   0.04864  -0.0465   0.7247   0.0094
  -8.250  -0.3777   0.04665   0.04423  -0.0449   0.7095   0.0093
  -8.000  -0.3907   0.04430   0.04178  -0.0419   0.6938   0.0094
  -7.750  -0.3981   0.04087   0.03822  -0.0398   0.6797   0.0095
  -7.500  -0.4001   0.03772   0.03495  -0.0379   0.6663   0.0095
  -7.250  -0.3992   0.03464   0.03173  -0.0359   0.6538   0.0096
  -7.000  -0.3964   0.03146   0.02839  -0.0339   0.6420   0.0098
  -6.750  -0.3890   0.02898   0.02579  -0.0322   0.6300   0.0102
  -6.500  -0.3826   0.02573   0.02236  -0.0300   0.6197   0.0107
  -6.250  -0.3916   0.01739   0.01340  -0.0239   0.6157   0.0121
  -6.000  -0.3771   0.01597   0.01189  -0.0225   0.6039   0.0123
  -5.750  -0.3620   0.01454   0.01031  -0.0210   0.5926   0.0125
  -5.500  -0.3456   0.01313   0.00875  -0.0195   0.5812   0.0128
  -5.250  -0.3287   0.01161   0.00703  -0.0179   0.5715   0.0133
  -5.000  -0.3086   0.01040   0.00537  -0.0153   0.5618   0.0151
  -4.000  -0.2288   0.01540   0.00884  -0.0098   0.5355   0.0121
  -3.750  -0.2000   0.01341   0.00663  -0.0092   0.5266   0.0092
  -3.500  -0.1742   0.01272   0.00586  -0.0086   0.5168   0.0090
  -3.250  -0.1498   0.01191   0.00498  -0.0078   0.5085   0.0089
  -3.000  -0.1258   0.01138   0.00437  -0.0069   0.5000   0.0088
  -2.750  -0.1016   0.01097   0.00391  -0.0060   0.4922   0.0088
  -2.500  -0.0775   0.01062   0.00348  -0.0051   0.4838   0.0088
  -2.250  -0.0526   0.01034   0.00316  -0.0044   0.4762   0.0089
  -2.000  -0.0276   0.01013   0.00288  -0.0037   0.4685   0.0091
  -1.750  -0.0030   0.00984   0.00255  -0.0029   0.4619   0.0096
  -1.500   0.0224   0.00967   0.00233  -0.0023   0.4551   0.0113
  -1.250   0.0464   0.00937   0.00210  -0.0014   0.4487   0.0342
  -1.000   0.0709   0.00913   0.00201  -0.0007   0.4423   0.0784
  -0.750   0.0944   0.00888   0.00193   0.0001   0.4359   0.1450
  -0.500   0.0988   0.00739   0.00171   0.0042   0.4318   0.5304
  -0.250   0.0966   0.00628   0.00181   0.0109   0.4278   0.8619
   0.000   0.1184   0.00670   0.00224   0.0129   0.4225   0.9015
   0.250   0.1446   0.00705   0.00256   0.0139   0.4172   0.9123
   0.500   0.1699   0.00726   0.00274   0.0149   0.4122   0.9203
   0.750   0.1992   0.00769   0.00312   0.0153   0.4068   0.9277
   1.000   0.2237   0.00792   0.00330   0.0163   0.4023   0.9343
   1.250   0.2645   0.00827   0.00362   0.0141   0.3974   0.9380
   1.500   0.2989   0.00844   0.00372   0.0128   0.3922   0.9398
   1.750   0.3261   0.00850   0.00372   0.0129   0.3876   0.9410
   2.000   0.3527   0.00850   0.00370   0.0131   0.3843   0.9424
   2.250   0.3764   0.00849   0.00367   0.0140   0.3803   0.9442
   2.500   0.3960   0.00849   0.00363   0.0156   0.3762   0.9466
   2.750   0.4154   0.00852   0.00361   0.0173   0.3723   0.9486
   3.000   0.4430   0.00847   0.00356   0.0172   0.3692   0.9493
   3.250   0.4707   0.00847   0.00355   0.0172   0.3655   0.9499
   3.500   0.4984   0.00851   0.00355   0.0171   0.3615   0.9507
   3.750   0.5251   0.00859   0.00359   0.0172   0.3572   0.9514
   4.000   0.5526   0.00859   0.00361   0.0172   0.3545   0.9520
   4.250   0.5796   0.00861   0.00362   0.0172   0.3509   0.9528
   4.500   0.6063   0.00866   0.00366   0.0173   0.3473   0.9536
   4.750   0.6319   0.00876   0.00372   0.0176   0.3430   0.9547
   5.000   0.6579   0.00878   0.00376   0.0178   0.3402   0.9556
   5.250   0.6835   0.00880   0.00379   0.0181   0.3371   0.9565
   5.500   0.7084   0.00884   0.00383   0.0185   0.3333   0.9576
   5.750   0.7323   0.00892   0.00388   0.0191   0.3290   0.9587
   6.000   0.7569   0.00897   0.00394   0.0196   0.3253   0.9598
   6.250   0.7816   0.00900   0.00399   0.0200   0.3213   0.9610
   6.500   0.8060   0.00906   0.00405   0.0205   0.3174   0.9620
   6.750   0.8308   0.00916   0.00414   0.0208   0.3130   0.9628
   7.000   0.8579   0.00920   0.00422   0.0208   0.3100   0.9635
   7.250   0.8850   0.00926   0.00430   0.0207   0.3061   0.9642
   7.500   0.9111   0.00936   0.00440   0.0207   0.3010   0.9649
   7.750   0.9373   0.00947   0.00452   0.0207   0.2959   0.9658
   8.000   0.9639   0.00955   0.00464   0.0207   0.2911   0.9666
   8.250   0.9890   0.00969   0.00477   0.0209   0.2853   0.9676
   8.500   1.0146   0.00980   0.00491   0.0210   0.2804   0.9686
   8.750   1.0396   0.00992   0.00505   0.0212   0.2741   0.9697
   9.000   1.0631   0.01008   0.00521   0.0217   0.2676   0.9713
   9.250   1.0868   0.01021   0.00536   0.0222   0.2609   0.9728
   9.500   1.1085   0.01040   0.00555   0.0230   0.2539   0.9743
   9.750   1.1331   0.01056   0.00574   0.0232   0.2458   0.9754
  10.000   1.1584   0.01080   0.00597   0.0232   0.2373   0.9765
  10.250   1.1830   0.01110   0.00626   0.0232   0.2265   0.9777
  10.500   1.2074   0.01143   0.00657   0.0232   0.2149   0.9789
  10.750   1.2310   0.01179   0.00692   0.0233   0.2028   0.9804
  11.000   1.2525   0.01224   0.00733   0.0237   0.1886   0.9822
  11.250   1.2719   0.01273   0.00777   0.0245   0.1746   0.9845
  11.500   1.2933   0.01329   0.00830   0.0247   0.1603   0.9863
  11.750   1.3164   0.01397   0.00893   0.0243   0.1444   0.9875
  12.000   1.3378   0.01472   0.00963   0.0241   0.1290   0.9889
  12.250   1.3569   0.01560   0.01044   0.0242   0.1144   0.9910
  12.500   1.3742   0.01649   0.01130   0.0244   0.1029   0.9936
  12.750   1.3916   0.01743   0.01222   0.0244   0.0919   0.9963
  13.000   1.4076   0.01859   0.01336   0.0241   0.0808   0.9992
  13.250   1.3961   0.01946   0.01424   0.0291   0.0763   1.0000
  13.500   1.3945   0.02054   0.01537   0.0319   0.0714   1.0000
  13.750   1.3909   0.02229   0.01711   0.0338   0.0641   1.0000
  14.000   1.3853   0.02455   0.01935   0.0351   0.0562   1.0000
  14.250   1.3916   0.02610   0.02100   0.0357   0.0561   1.0000
  14.500   1.3826   0.02910   0.02399   0.0361   0.0480   1.0000
  14.750   1.3860   0.03113   0.02612   0.0362   0.0480   1.0000
  15.000   1.3814   0.03400   0.02905   0.0363   0.0441   1.0000
  15.250   1.3744   0.03719   0.03228   0.0361   0.0410   1.0000
  15.500   1.3641   0.04079   0.03592   0.0358   0.0372   1.0000
  15.750   1.3558   0.04424   0.03944   0.0354   0.0348   1.0000
  16.000   1.3427   0.04827   0.04351   0.0349   0.0321   1.0000
  16.250   1.3336   0.05195   0.04725   0.0342   0.0298   1.0000
  16.500   1.3272   0.05547   0.05086   0.0335   0.0291   1.0000
  16.750   1.3196   0.05921   0.05468   0.0327   0.0283   1.0000
  17.000   1.3051   0.06384   0.05935   0.0315   0.0256   1.0000
  17.250   1.2980   0.06769   0.06327   0.0305   0.0243   1.0000
  17.500   1.2890   0.07183   0.06747   0.0293   0.0227   1.0000
  17.750   1.2795   0.07611   0.07182   0.0280   0.0217   1.0000
  18.000   1.2695   0.08056   0.07633   0.0265   0.0205   1.0000
  18.250   1.2635   0.08450   0.08033   0.0252   0.0190   1.0000
  18.500   1.2552   0.08884   0.08472   0.0236   0.0177   1.0000
  18.750   1.2459   0.09343   0.08937   0.0219   0.0169   1.0000
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