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EPPLER 549 AIRFOIL (e549-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 549 AIRFOIL (e549-il)
Reynolds number: 200,000
Max Cl/Cd: 66.67 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e549-il-200000.txt
Download as CSV file: xf-e549-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 549 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.000  -0.2738   0.12914   0.12581  -0.0510   1.0000   0.0531
 -13.750  -0.2696   0.12683   0.12351  -0.0511   1.0000   0.0542
 -13.500  -0.4002   0.12508   0.12148  -0.0525   1.0000   0.0522
 -13.250  -0.3907   0.12300   0.11941  -0.0517   1.0000   0.0531
 -12.750  -0.3793   0.08505   0.08170  -0.0694   1.0000   0.0324
 -12.500  -0.4058   0.07757   0.07416  -0.0723   1.0000   0.0317
 -12.250  -0.4372   0.07036   0.06687  -0.0748   1.0000   0.0313
 -12.000  -0.4651   0.06444   0.06087  -0.0760   1.0000   0.0308
 -11.750  -0.5435   0.05394   0.04986  -0.0767   1.0000   0.0265
 -11.500  -0.5639   0.05027   0.04614  -0.0750   1.0000   0.0262
 -11.250  -0.5891   0.04815   0.04400  -0.0714   1.0000   0.0260
 -11.000  -0.6108   0.04629   0.04212  -0.0685   0.9983   0.0257
 -10.750  -0.7220   0.05725   0.05252  -0.0624   0.9970   0.0270
 -10.500  -0.7034   0.05086   0.04607  -0.0654   0.9932   0.0252
 -10.250  -0.7138   0.04430   0.03844  -0.0664   0.9783   0.0216
 -10.000  -0.6892   0.04007   0.03393  -0.0686   0.9726   0.0213
  -9.750  -0.6645   0.03669   0.03019  -0.0702   0.9655   0.0213
  -9.500  -0.6333   0.03384   0.02698  -0.0722   0.9601   0.0214
  -9.250  -0.5954   0.03144   0.02427  -0.0748   0.9573   0.0217
  -9.000  -0.5558   0.02915   0.02203  -0.0771   0.9537   0.0233
  -8.750  -0.5178   0.02779   0.02060  -0.0796   0.9482   0.0254
  -8.500  -0.4738   0.02636   0.01900  -0.0824   0.9449   0.0271
  -8.250  -0.4315   0.02464   0.01741  -0.0845   0.9424   0.0297
  -8.000  -0.4003   0.02347   0.01619  -0.0859   0.9323   0.0327
  -7.750  -0.3721   0.02197   0.01474  -0.0878   0.9225   0.0382
  -7.500  -0.3503   0.02049   0.01323  -0.0889   0.9106   0.0457
  -7.250  -0.3429   0.01929   0.01198  -0.0871   0.8955   0.0557
  -7.000  -0.3386   0.01829   0.01101  -0.0843   0.8810   0.0750
  -6.750  -0.3384   0.01712   0.01005  -0.0809   0.8671   0.1111
  -6.500  -0.3396   0.01575   0.00911  -0.0775   0.8545   0.1892
  -6.250  -0.3455   0.01387   0.00805  -0.0737   0.8432   0.3481
  -6.000  -0.3303   0.01383   0.00869  -0.0712   0.8344   0.5185
  -5.750  -0.3060   0.01443   0.00915  -0.0700   0.8250   0.5553
  -5.500  -0.2756   0.01535   0.00998  -0.0692   0.8179   0.5759
  -5.250  -0.2494   0.01603   0.01058  -0.0681   0.8088   0.5897
  -5.000  -0.2203   0.01661   0.01102  -0.0675   0.8021   0.6026
  -4.750  -0.1921   0.01746   0.01186  -0.0663   0.7935   0.6118
  -4.500  -0.1628   0.01800   0.01228  -0.0656   0.7867   0.6208
  -4.250  -0.1365   0.01856   0.01279  -0.0645   0.7783   0.6296
  -4.000  -0.1041   0.01978   0.01399  -0.0630   0.7718   0.6388
  -3.750  -0.0795   0.02028   0.01442  -0.0617   0.7642   0.6503
  -3.500  -0.0501   0.02065   0.01471  -0.0609   0.7573   0.6535
  -3.250  -0.0249   0.02054   0.01450  -0.0605   0.7502   0.6574
  -3.000  -0.0043   0.01976   0.01353  -0.0611   0.7427   0.6646
  -2.750   0.0235   0.01974   0.01342  -0.0608   0.7368   0.6663
  -2.500   0.0485   0.01967   0.01330  -0.0602   0.7293   0.6684
  -2.250   0.0764   0.01952   0.01303  -0.0604   0.7237   0.6709
  -2.000   0.0998   0.01926   0.01272  -0.0602   0.7163   0.6741
  -1.750   0.1262   0.01883   0.01214  -0.0610   0.7103   0.6781
  -1.500   0.1521   0.01848   0.01167  -0.0615   0.7043   0.6808
  -1.250   0.1777   0.01838   0.01155  -0.0612   0.6976   0.6824
  -1.000   0.2063   0.01827   0.01133  -0.0615   0.6927   0.6841
  -0.750   0.2310   0.01815   0.01120  -0.0613   0.6861   0.6859
  -0.500   0.2581   0.01801   0.01100  -0.0616   0.6805   0.6881
  -0.250   0.2873   0.01787   0.01074  -0.0623   0.6759   0.6907
   0.000   0.3121   0.01768   0.01054  -0.0625   0.6692   0.6932
   0.250   0.3410   0.01747   0.01022  -0.0635   0.6641   0.6956
   0.500   0.3691   0.01741   0.01010  -0.0638   0.6598   0.6972
   0.750   0.3935   0.01740   0.01014  -0.0634   0.6537   0.6990
   1.000   0.4213   0.01734   0.01005  -0.0636   0.6486   0.7008
   1.250   0.4496   0.01730   0.00996  -0.0640   0.6436   0.7026
   1.500   0.4748   0.01725   0.00993  -0.0639   0.6372   0.7046
   1.750   0.5040   0.01716   0.00978  -0.0646   0.6322   0.7069
   2.000   0.5322   0.01716   0.00974  -0.0652   0.6277   0.7095
   2.250   0.5581   0.01717   0.00977  -0.0654   0.6224   0.7120
   2.500   0.5856   0.01717   0.00978  -0.0655   0.6181   0.7137
   2.750   0.6156   0.01722   0.00979  -0.0662   0.6146   0.7156
   3.000   0.6389   0.01731   0.00998  -0.0657   0.6090   0.7176
   3.250   0.6660   0.01731   0.00999  -0.0659   0.6037   0.7199
   3.500   0.6970   0.01731   0.00993  -0.0667   0.5994   0.7224
   3.750   0.7211   0.01742   0.01013  -0.0666   0.5940   0.7253
   4.000   0.7478   0.01749   0.01024  -0.0668   0.5892   0.7280
   4.250   0.7767   0.01753   0.01028  -0.0671   0.5853   0.7302
   4.500   0.8017   0.01765   0.01048  -0.0669   0.5801   0.7326
   4.750   0.8266   0.01776   0.01068  -0.0667   0.5748   0.7353
   5.000   0.8558   0.01782   0.01075  -0.0673   0.5707   0.7383
   5.250   0.8834   0.01795   0.01090  -0.0676   0.5658   0.7415
   5.500   0.9067   0.01800   0.01107  -0.0671   0.5591   0.7442
   5.750   0.9367   0.01795   0.01099  -0.0675   0.5536   0.7470
   6.000   0.9576   0.01806   0.01125  -0.0665   0.5463   0.7505
   6.250   0.9853   0.01805   0.01127  -0.0667   0.5401   0.7544
   6.500   1.0107   0.01814   0.01141  -0.0666   0.5334   0.7583
   6.750   1.0342   0.01812   0.01149  -0.0659   0.5260   0.7613
   7.000   1.0594   0.01815   0.01158  -0.0655   0.5191   0.7650
   7.250   1.0820   0.01817   0.01171  -0.0648   0.5109   0.7693
   7.500   1.1067   0.01821   0.01179  -0.0644   0.5030   0.7739
   7.750   1.1284   0.01816   0.01185  -0.0634   0.4942   0.7778
   8.000   1.1476   0.01821   0.01201  -0.0620   0.4846   0.7829
   8.250   1.1718   0.01820   0.01201  -0.0615   0.4751   0.7889
   8.500   1.1867   0.01821   0.01219  -0.0592   0.4639   0.7940
   8.750   1.2026   0.01829   0.01238  -0.0573   0.4524   0.8004
   9.000   1.2178   0.01835   0.01253  -0.0552   0.4399   0.8069
   9.250   1.2300   0.01845   0.01272  -0.0526   0.4267   0.8141
   9.500   1.2386   0.01859   0.01293  -0.0494   0.4124   0.8225
   9.750   1.2429   0.01881   0.01323  -0.0455   0.3970   0.8322
  10.000   1.2460   0.01916   0.01366  -0.0415   0.3804   0.8438
  10.250   1.2479   0.01964   0.01420  -0.0377   0.3623   0.8584
  10.500   1.2474   0.02026   0.01486  -0.0337   0.3430   0.8791
  10.750   1.2452   0.02095   0.01565  -0.0297   0.3226   0.9239
  11.000   1.2482   0.02218   0.01679  -0.0280   0.2993   1.0000
  11.250   1.2474   0.02378   0.01824  -0.0259   0.2804   1.0000
  11.500   1.2471   0.02544   0.01982  -0.0239   0.2627   1.0000
  11.750   1.2469   0.02718   0.02152  -0.0220   0.2442   1.0000
  12.000   1.2451   0.02909   0.02340  -0.0203   0.2248   1.0000
  12.250   1.2406   0.03129   0.02552  -0.0186   0.2072   1.0000
  12.500   1.2360   0.03365   0.02781  -0.0172   0.1903   1.0000
  12.750   1.2314   0.03613   0.03023  -0.0159   0.1752   1.0000
  13.000   1.2269   0.03872   0.03278  -0.0148   0.1611   1.0000
  13.250   1.2225   0.04142   0.03544  -0.0140   0.1480   1.0000
  13.500   1.2175   0.04428   0.03825  -0.0133   0.1359   1.0000
  13.750   1.2144   0.04711   0.04106  -0.0128   0.1243   1.0000
  14.000   1.2123   0.04995   0.04392  -0.0125   0.1134   1.0000
  14.250   1.2096   0.05291   0.04689  -0.0123   0.1037   1.0000
  14.500   1.2048   0.05618   0.05009  -0.0122   0.0955   1.0000
  14.750   1.2039   0.05916   0.05312  -0.0123   0.0871   1.0000
  15.000   1.2018   0.06232   0.05629  -0.0125   0.0799   1.0000
  15.250   1.1989   0.06565   0.05961  -0.0128   0.0737   1.0000
  15.500   1.1981   0.06883   0.06285  -0.0131   0.0675   1.0000
  15.750   1.1957   0.07225   0.06625  -0.0137   0.0625   1.0000
  16.000   1.1952   0.07547   0.06954  -0.0141   0.0577   1.0000
  16.250   1.1945   0.07886   0.07299  -0.0149   0.0535   1.0000
  16.500   1.1929   0.08222   0.07632  -0.0154   0.0496   1.0000
  16.750   1.1935   0.08559   0.07984  -0.0163   0.0462   1.0000
  17.000   1.1921   0.08920   0.08347  -0.0173   0.0431   1.0000
  17.250   1.1925   0.09243   0.08672  -0.0179   0.0401   1.0000
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