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EPPLER 426 AIRFOIL (e426-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 426 AIRFOIL (e426-il)
Reynolds number: 1,000,000
Max Cl/Cd: 92.35 at α=8.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e426-il-1000000.txt
Download as CSV file: xf-e426-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 426 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
  ------ -------- --------- --------- -------- -------- --------
 -16.250  -1.1126   0.08372   0.08055  -0.0141   1.0000   0.0119
 -16.000  -1.1517   0.07373   0.07044  -0.0199   1.0000   0.0118
 -15.750  -1.1948   0.06279   0.05934  -0.0264   1.0000   0.0116
 -15.500  -1.2346   0.05207   0.04841  -0.0334   1.0000   0.0116
 -15.250  -1.2621   0.04365   0.03979  -0.0396   1.0000   0.0115
 -15.000  -1.2782   0.03771   0.03369  -0.0439   1.0000   0.0115
 -14.750  -1.2863   0.03372   0.02957  -0.0462   1.0000   0.0117
 -14.500  -1.2915   0.03083   0.02655  -0.0470   1.0000   0.0118
 -14.250  -1.2963   0.02868   0.02429  -0.0462   1.0000   0.0118
 -14.000  -1.2989   0.02718   0.02269  -0.0438   1.0000   0.0120
 -13.750  -1.2947   0.02596   0.02137  -0.0417   1.0000   0.0121
 -13.500  -1.2829   0.02491   0.02023  -0.0403   1.0000   0.0122
 -13.250  -1.2688   0.02396   0.01919  -0.0391   1.0000   0.0124
 -13.000  -1.2603   0.02239   0.01751  -0.0375   1.0000   0.0127
 -12.750  -1.2456   0.02126   0.01630  -0.0364   1.0000   0.0131
 -12.500  -1.2277   0.02038   0.01536  -0.0354   1.0000   0.0134
 -12.250  -1.2080   0.01963   0.01454  -0.0345   1.0000   0.0138
 -12.000  -1.1875   0.01893   0.01378  -0.0337   1.0000   0.0142
 -11.750  -1.1663   0.01828   0.01306  -0.0329   1.0000   0.0147
 -11.500  -1.1441   0.01770   0.01241  -0.0322   1.0000   0.0151
 -11.250  -1.1241   0.01679   0.01145  -0.0313   1.0000   0.0159
 -11.000  -1.1020   0.01616   0.01077  -0.0306   1.0000   0.0167
 -10.750  -1.0789   0.01563   0.01019  -0.0299   1.0000   0.0176
 -10.500  -1.0560   0.01504   0.00956  -0.0291   1.0000   0.0189
 -10.250  -1.0331   0.01445   0.00895  -0.0284   1.0000   0.0205
 -10.000  -1.0096   0.01393   0.00840  -0.0277   1.0000   0.0226
  -9.750  -0.9862   0.01339   0.00785  -0.0270   1.0000   0.0252
  -9.500  -0.9629   0.01284   0.00729  -0.0263   1.0000   0.0286
  -9.250  -0.9393   0.01232   0.00678  -0.0255   1.0000   0.0327
  -9.000  -0.9159   0.01179   0.00625  -0.0248   1.0000   0.0383
  -8.750  -0.8931   0.01118   0.00574  -0.0240   1.0000   0.0501
  -8.500  -0.8686   0.01082   0.00547  -0.0233   1.0000   0.0633
  -8.250  -0.8435   0.01055   0.00524  -0.0227   1.0000   0.0695
  -8.000  -0.8176   0.01042   0.00508  -0.0221   1.0000   0.0732
  -7.750  -0.7925   0.01016   0.00482  -0.0215   1.0000   0.0769
  -7.500  -0.7673   0.00993   0.00461  -0.0208   1.0000   0.0802
  -7.250  -0.7418   0.00975   0.00441  -0.0202   1.0000   0.0827
  -7.000  -0.7162   0.00961   0.00424  -0.0196   1.0000   0.0843
  -6.750  -0.6911   0.00938   0.00400  -0.0189   1.0000   0.0868
  -6.500  -0.6661   0.00913   0.00378  -0.0182   1.0000   0.0904
  -6.250  -0.6409   0.00895   0.00361  -0.0175   1.0000   0.0938
  -6.000  -0.6155   0.00883   0.00347  -0.0168   1.0000   0.0962
  -5.750  -0.5907   0.00860   0.00326  -0.0161   1.0000   0.0996
  -5.500  -0.5658   0.00841   0.00310  -0.0153   1.0000   0.1032
  -5.250  -0.5314   0.00825   0.00296  -0.0165   0.9982   0.1072
  -5.000  -0.4930   0.00806   0.00280  -0.0186   0.9948   0.1129
  -4.750  -0.4560   0.00789   0.00267  -0.0204   0.9905   0.1198
  -4.500  -0.4173   0.00770   0.00253  -0.0226   0.9848   0.1280
  -4.250  -0.3771   0.00756   0.00240  -0.0249   0.9713   0.1352
  -4.000  -0.3322   0.00736   0.00222  -0.0282   0.9273   0.1445
  -3.750  -0.3029   0.00741   0.00210  -0.0281   0.8792   0.1495
  -3.500  -0.2767   0.00741   0.00199  -0.0274   0.8436   0.1544
  -3.250  -0.2505   0.00740   0.00189  -0.0267   0.8073   0.1601
  -3.000  -0.2239   0.00743   0.00180  -0.0261   0.7726   0.1645
  -2.750  -0.1968   0.00746   0.00171  -0.0257   0.7445   0.1683
  -2.500  -0.1694   0.00741   0.00162  -0.0253   0.7215   0.1748
  -2.250  -0.1419   0.00739   0.00155  -0.0250   0.6987   0.1801
  -2.000  -0.1143   0.00740   0.00147  -0.0247   0.6754   0.1855
  -1.750  -0.0867   0.00736   0.00140  -0.0244   0.6512   0.1937
  -1.500  -0.0590   0.00735   0.00134  -0.0241   0.6280   0.2018
  -1.250  -0.0313   0.00731   0.00128  -0.0239   0.6058   0.2142
  -1.000  -0.0037   0.00726   0.00123  -0.0236   0.5831   0.2324
  -0.750   0.0236   0.00716   0.00118  -0.0234   0.5603   0.2651
  -0.500   0.0506   0.00697   0.00113  -0.0231   0.5378   0.3225
  -0.250   0.0776   0.00681   0.00110  -0.0229   0.5142   0.3859
   0.000   0.1047   0.00672   0.00110  -0.0226   0.4897   0.4395
   0.250   0.1321   0.00668   0.00112  -0.0223   0.4632   0.4832
   0.500   0.1594   0.00671   0.00114  -0.0220   0.4323   0.5160
   0.750   0.1865   0.00679   0.00117  -0.0217   0.3944   0.5454
   1.000   0.2132   0.00695   0.00123  -0.0214   0.3436   0.5754
   1.250   0.2395   0.00714   0.00132  -0.0210   0.2927   0.6089
   1.500   0.2665   0.00725   0.00141  -0.0207   0.2647   0.6423
   2.000   0.3213   0.00739   0.00158  -0.0201   0.2347   0.6959
   2.500   0.3760   0.00750   0.00176  -0.0194   0.2155   0.7490
   2.750   0.4030   0.00753   0.00187  -0.0190   0.2085   0.7797
   3.000   0.4295   0.00751   0.00197  -0.0184   0.2031   0.8190
   3.250   0.4544   0.00750   0.00208  -0.0174   0.1971   0.8676
   3.500   0.4784   0.00744   0.00220  -0.0161   0.1923   0.9310
   3.750   0.5182   0.00751   0.00229  -0.0183   0.1872   0.9824
   4.000   0.5575   0.00766   0.00240  -0.0206   0.1814   1.0000
   4.250   0.5839   0.00782   0.00253  -0.0201   0.1768   1.0000
   4.500   0.6109   0.00792   0.00263  -0.0198   0.1735   1.0000
   4.750   0.6377   0.00805   0.00274  -0.0194   0.1692   1.0000
   5.000   0.6644   0.00824   0.00289  -0.0189   0.1638   1.0000
   5.250   0.6915   0.00837   0.00302  -0.0186   0.1600   1.0000
   5.500   0.7187   0.00849   0.00314  -0.0183   0.1552   1.0000
   5.750   0.7454   0.00871   0.00329  -0.0179   0.1473   1.0000
   6.000   0.7728   0.00882   0.00341  -0.0176   0.1424   1.0000
   6.250   0.7996   0.00902   0.00356  -0.0173   0.1348   1.0000
   6.500   0.8266   0.00919   0.00373  -0.0170   0.1287   1.0000
   6.750   0.8531   0.00943   0.00391  -0.0166   0.1206   1.0000
   7.000   0.8798   0.00964   0.00410  -0.0163   0.1144   1.0000
   7.250   0.9060   0.00992   0.00433  -0.0159   0.1065   1.0000
   7.500   0.9325   0.01015   0.00455  -0.0155   0.1016   1.0000
   7.750   0.9585   0.01046   0.00483  -0.0151   0.0958   1.0000
   8.000   0.9850   0.01068   0.00507  -0.0148   0.0924   1.0000
   8.250   1.0111   0.01095   0.00533  -0.0144   0.0880   1.0000
   8.500   1.0368   0.01127   0.00563  -0.0139   0.0830   1.0000
   8.750   1.0630   0.01151   0.00589  -0.0136   0.0791   1.0000
   9.000   1.0882   0.01189   0.00622  -0.0131   0.0728   1.0000
   9.250   1.1140   0.01216   0.00650  -0.0127   0.0683   1.0000
   9.500   1.1389   0.01255   0.00686  -0.0122   0.0625   1.0000
   9.750   1.1637   0.01293   0.00722  -0.0117   0.0570   1.0000
  10.000   1.1884   0.01333   0.00761  -0.0112   0.0523   1.0000
  10.250   1.2122   0.01381   0.00806  -0.0106   0.0470   1.0000
  10.500   1.2360   0.01427   0.00851  -0.0100   0.0422   1.0000
  10.750   1.2597   0.01474   0.00897  -0.0094   0.0383   1.0000
  11.000   1.2825   0.01529   0.00951  -0.0087   0.0338   1.0000
  11.250   1.3046   0.01590   0.01010  -0.0079   0.0284   1.0000
  11.500   1.3247   0.01670   0.01085  -0.0070   0.0202   1.0000
  11.750   1.3420   0.01778   0.01188  -0.0057   0.0121   1.0000
  12.000   1.3614   0.01858   0.01270  -0.0047   0.0107   1.0000
  12.250   1.3806   0.01935   0.01353  -0.0036   0.0098   1.0000
  12.500   1.3997   0.02006   0.01432  -0.0026   0.0094   1.0000
  12.750   1.4179   0.02082   0.01514  -0.0014   0.0091   1.0000
  13.000   1.4338   0.02172   0.01611   0.0000   0.0087   1.0000
  13.250   1.4478   0.02270   0.01717   0.0015   0.0084   1.0000
  13.500   1.4594   0.02375   0.01830   0.0033   0.0082   1.0000
  14.000   1.4689   0.02599   0.02073   0.0086   0.0079   1.0000
  14.250   1.4719   0.02716   0.02199   0.0111   0.0078   1.0000
  14.500   1.4726   0.02861   0.02354   0.0132   0.0078   1.0000
  14.750   1.4706   0.03047   0.02551   0.0147   0.0077   1.0000
  15.000   1.4666   0.03282   0.02797   0.0155   0.0076   1.0000
  15.250   1.4614   0.03567   0.03094   0.0154   0.0076   1.0000
  15.500   1.4535   0.03924   0.03464   0.0145   0.0075   1.0000
  15.750   1.4417   0.04375   0.03929   0.0126   0.0075   1.0000
  16.000   1.4257   0.04933   0.04502   0.0097   0.0075   1.0000
  16.250   1.4042   0.05619   0.05205   0.0058   0.0075   1.0000
  16.500   1.3711   0.06540   0.06144   0.0004   0.0075   1.0000
  16.750   1.3338   0.07578   0.07203  -0.0056   0.0077   1.0000
  17.000   1.2868   0.08812   0.08456  -0.0127   0.0078   1.0000
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