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EPPLER 549 AIRFOIL (e549-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 549 AIRFOIL (e549-il)
Reynolds number: 50,000
Max Cl/Cd: 14.73 at α=13°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e549-il-50000-n5.txt
Download as CSV file: xf-e549-il-50000-n5.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 =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -0.4297   0.10734   0.10010  -0.0608   1.0000   0.0394
 -12.750  -0.4489   0.09940   0.09217  -0.0648   1.0000   0.0389
 -12.500  -0.4725   0.09191   0.08467  -0.0686   1.0000   0.0383
 -12.250  -0.4990   0.08518   0.07788  -0.0716   1.0000   0.0378
 -12.000  -0.5237   0.07963   0.07224  -0.0736   1.0000   0.0373
 -11.750  -0.5480   0.07479   0.06728  -0.0745   1.0000   0.0370
 -11.500  -0.5702   0.07067   0.06303  -0.0745   1.0000   0.0368
 -11.250  -0.5899   0.06720   0.05943  -0.0736   1.0000   0.0368
 -11.000  -0.6081   0.06420   0.05630  -0.0721   1.0000   0.0368
 -10.750  -0.6252   0.06166   0.05365  -0.0698   1.0000   0.0368
 -10.500  -0.6425   0.05957   0.05144  -0.0667   1.0000   0.0369
 -10.250  -0.6609   0.05803   0.04982  -0.0627   1.0000   0.0368
 -10.000  -0.6820   0.05690   0.04863  -0.0577   1.0000   0.0369
  -9.750  -0.7019   0.05579   0.04743  -0.0526   1.0000   0.0371
  -9.500  -0.7160   0.05447   0.04598  -0.0482   1.0000   0.0374
  -9.250  -0.7033   0.05192   0.04310  -0.0482   0.9946   0.0386
  -9.000  -0.6757   0.04906   0.03968  -0.0499   0.9863   0.0411
  -8.750  -0.6412   0.04680   0.03736  -0.0520   0.9798   0.0442
  -8.500  -0.5952   0.04488   0.03520  -0.0538   0.9753   0.0485
  -8.250  -0.5414   0.04351   0.03376  -0.0557   0.9726   0.0560
  -8.000  -0.5008   0.04248   0.03262  -0.0565   0.9665   0.0649
  -7.750  -0.4702   0.04123   0.03136  -0.0575   0.9585   0.0766
  -7.500  -0.4498   0.03982   0.03002  -0.0579   0.9480   0.0907
  -7.250  -0.4339   0.03815   0.02848  -0.0584   0.9375   0.1114
  -7.000  -0.4230   0.03612   0.02671  -0.0590   0.9272   0.1425
  -6.750  -0.4248   0.03403   0.02500  -0.0578   0.9136   0.1826
  -6.500  -0.4321   0.03176   0.02336  -0.0557   0.9001   0.2552
  -6.250  -0.3926   0.03465   0.02748  -0.0518   0.8949   0.4931
  -6.000  -0.3865   0.03473   0.02728  -0.0495   0.8823   0.5370
  -5.750  -0.3715   0.03568   0.02796  -0.0467   0.8714   0.5696
  -5.500  -0.3237   0.03810   0.03004  -0.0457   0.8664   0.5982
  -5.250  -0.2876   0.03968   0.03136  -0.0441   0.8588   0.6197
  -5.000  -0.2439   0.04079   0.03218  -0.0440   0.8528   0.6374
  -4.750  -0.2160   0.04082   0.03195  -0.0437   0.8454   0.6512
  -4.500  -0.1907   0.04069   0.03159  -0.0432   0.8368   0.6606
  -4.250  -0.1663   0.04034   0.03103  -0.0429   0.8290   0.6683
  -4.000  -0.1461   0.03996   0.03045  -0.0423   0.8206   0.6758
  -3.750  -0.1320   0.03952   0.02984  -0.0409   0.8118   0.6828
  -3.500  -0.1047   0.03917   0.02931  -0.0411   0.8046   0.6879
  -3.250  -0.1063   0.03861   0.02862  -0.0380   0.7946   0.6960
  -3.000  -0.0743   0.03831   0.02814  -0.0388   0.7885   0.6994
  -2.750  -0.0571   0.03806   0.02776  -0.0376   0.7805   0.7040
  -2.500  -0.0472   0.03751   0.02707  -0.0361   0.7728   0.7101
  -2.250  -0.0313   0.03728   0.02673  -0.0348   0.7651   0.7140
  -2.000  -0.0100   0.03703   0.02636  -0.0342   0.7582   0.7174
  -1.750   0.0111   0.03667   0.02586  -0.0339   0.7523   0.7214
  -1.500   0.0126   0.03637   0.02549  -0.0313   0.7432   0.7267
  -1.250   0.0446   0.03601   0.02500  -0.0323   0.7391   0.7293
  -1.000   0.0494   0.03617   0.02511  -0.0294   0.7297   0.7326
  -0.750   0.0758   0.03584   0.02467  -0.0298   0.7249   0.7359
  -0.500   0.0813   0.03585   0.02463  -0.0275   0.7166   0.7399
  -0.250   0.1020   0.03563   0.02431  -0.0274   0.7109   0.7435
   0.000   0.1351   0.03536   0.02394  -0.0285   0.7075   0.7458
   0.250   0.1349   0.03578   0.02438  -0.0252   0.6977   0.7490
   0.500   0.1638   0.03555   0.02407  -0.0260   0.6936   0.7519
   0.750   0.1695   0.03589   0.02438  -0.0240   0.6855   0.7560
   1.000   0.1918   0.03588   0.02433  -0.0240   0.6802   0.7593
   1.250   0.2243   0.03571   0.02410  -0.0250   0.6769   0.7617
   1.500   0.2230   0.03646   0.02488  -0.0219   0.6676   0.7649
   1.750   0.2508   0.03644   0.02482  -0.0226   0.6634   0.7681
   2.250   0.2773   0.03734   0.02572  -0.0206   0.6504   0.7755
   2.500   0.3076   0.03734   0.02572  -0.0214   0.6470   0.7784
   2.750   0.3046   0.03839   0.02681  -0.0184   0.6382   0.7822
   3.000   0.3296   0.03862   0.02704  -0.0189   0.6335   0.7857
   3.250   0.3646   0.03857   0.02699  -0.0205   0.6307   0.7895
   3.500   0.3522   0.04027   0.02876  -0.0169   0.6206   0.7935
   3.750   0.3808   0.04037   0.02889  -0.0174   0.6169   0.7974
   4.000   0.4163   0.04024   0.02878  -0.0187   0.6143   0.8015
   4.250   0.4069   0.04226   0.03086  -0.0163   0.6029   0.8062
   4.500   0.4425   0.04187   0.03053  -0.0170   0.5999   0.8097
   4.750   0.4418   0.04343   0.03215  -0.0152   0.5883   0.8149
   5.000   0.4804   0.04286   0.03162  -0.0163   0.5848   0.8198
   5.250   0.4784   0.04454   0.03341  -0.0143   0.5734   0.8251
   5.500   0.5108   0.04431   0.03326  -0.0148   0.5698   0.8306
   6.000   0.5374   0.04634   0.03548  -0.0136   0.5551   0.8427
   6.500   0.5658   0.04826   0.03763  -0.0125   0.5401   0.8569
   6.750   0.6018   0.04775   0.03724  -0.0130   0.5373   0.8651
   7.000   0.5944   0.05018   0.03981  -0.0114   0.5249   0.8750
   7.250   0.6306   0.04955   0.03936  -0.0117   0.5220   0.8855
   7.500   0.6272   0.05184   0.04180  -0.0107   0.5093   0.8995
   8.000   0.6761   0.05300   0.04334  -0.0122   0.4931   0.9426
   8.250   0.6840   0.05474   0.04520  -0.0128   0.4804   1.0000
   8.500   0.7271   0.05372   0.04429  -0.0140   0.4765   1.0000
   9.000   0.7387   0.05798   0.04870  -0.0145   0.4509   1.0000
   9.250   0.7780   0.05697   0.04783  -0.0151   0.4464   1.0000
   9.500   0.7812   0.05928   0.05021  -0.0151   0.4331   1.0000
  10.000   0.8273   0.05977   0.05093  -0.0150   0.4160   1.0000
  10.250   0.8300   0.06208   0.05333  -0.0148   0.4026   1.0000
  10.500   0.8349   0.06418   0.05551  -0.0147   0.3897   1.0000
  10.750   0.8782   0.06176   0.05325  -0.0140   0.3853   1.0000
  11.000   0.8807   0.06402   0.05563  -0.0138   0.3717   1.0000
  11.250   0.8847   0.06616   0.05786  -0.0136   0.3584   1.0000
  11.500   0.8915   0.06798   0.05980  -0.0133   0.3457   1.0000
  12.000   0.9462   0.06610   0.05819  -0.0117   0.3261   1.0000
  12.250   0.9554   0.06747   0.05968  -0.0113   0.3126   1.0000
  12.500   0.9693   0.06820   0.06052  -0.0107   0.2995   1.0000
  12.750   0.9878   0.06833   0.06073  -0.0100   0.2863   1.0000
  13.000   1.0071   0.06837   0.06082  -0.0092   0.2723   1.0000
  13.250   1.0203   0.06927   0.06175  -0.0086   0.2577   1.0000
  13.500   1.0263   0.07118   0.06370  -0.0083   0.2428   1.0000
  13.750   1.0292   0.07359   0.06619  -0.0083   0.2285   1.0000
  14.000   1.0321   0.07603   0.06867  -0.0083   0.2145   1.0000
  14.250   1.0361   0.07833   0.07098  -0.0084   0.2011   1.0000
  14.500   1.0409   0.08058   0.07321  -0.0085   0.1884   1.0000
  14.750   1.0452   0.08291   0.07551  -0.0086   0.1760   1.0000
  15.000   1.0507   0.08509   0.07762  -0.0087   0.1642   1.0000
  15.250   1.0441   0.08944   0.08213  -0.0098   0.1538   1.0000
  15.500   1.0420   0.09311   0.08585  -0.0107   0.1440   1.0000
  15.750   1.0464   0.09566   0.08835  -0.0112   0.1346   1.0000
  16.000   1.0412   0.10002   0.09287  -0.0126   0.1263   1.0000
  16.250   1.0392   0.10390   0.09681  -0.0138   0.1187   1.0000
  16.500   1.0406   0.10713   0.10005  -0.0148   0.1111   1.0000
  16.750   1.0326   0.11236   0.10544  -0.0169   0.1052   1.0000
  17.000   1.0312   0.11631   0.10945  -0.0185   0.0989   1.0000
  17.250   1.0275   0.12084   0.11407  -0.0204   0.0940   1.0000
  17.500   1.0085   0.12874   0.12221  -0.0243   0.0903   1.0000
  17.750   1.0282   0.12823   0.12151  -0.0237   0.0837   1.0000
  18.000   0.9994   0.13870   0.13230  -0.0293   0.0819   1.0000
  18.250   0.9539   0.15420   0.14798  -0.0381   0.0810   1.0000
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