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EPPLER 551 AIRFOIL (e551-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 551 AIRFOIL (e551-il)
Reynolds number: 200,000
Max Cl/Cd: 70.03 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e551-il-200000-n5.txt
Download as CSV file: xf-e551-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 551 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
  ------ -------- --------- --------- -------- -------- --------
 -16.250  -0.5404   0.11988   0.11572  -0.0516   1.0000   0.0091
 -16.000  -0.5694   0.10881   0.10449  -0.0573   1.0000   0.0090
 -15.750  -0.5909   0.10019   0.09573  -0.0618   1.0000   0.0088
 -15.500  -0.6132   0.09202   0.08737  -0.0661   1.0000   0.0088
 -15.250  -0.6319   0.08503   0.08019  -0.0697   1.0000   0.0088
 -15.000  -0.6471   0.07911   0.07409  -0.0725   1.0000   0.0088
 -14.750  -0.6569   0.07440   0.06924  -0.0745   1.0000   0.0088
 -14.500  -0.6695   0.06946   0.06410  -0.0763   1.0000   0.0089
 -14.250  -0.6764   0.06560   0.06009  -0.0775   1.0000   0.0090
 -14.000  -0.6819   0.06209   0.05641  -0.0783   1.0000   0.0090
 -13.750  -0.6851   0.05905   0.05324  -0.0788   1.0000   0.0091
 -13.500  -0.6890   0.05603   0.05003  -0.0790   1.0000   0.0093
 -13.250  -0.6902   0.05354   0.04746  -0.0789   1.0000   0.0094
 -13.000  -0.6898   0.05133   0.04518  -0.0786   1.0000   0.0095
 -12.750  -0.6892   0.04927   0.04306  -0.0782   1.0000   0.0096
 -12.500  -0.6888   0.04736   0.04115  -0.0779   1.0000   0.0100
 -12.250  -0.6877   0.04554   0.03926  -0.0771   1.0000   0.0103
 -12.000  -0.6866   0.04387   0.03752  -0.0760   1.0000   0.0105
 -11.750  -0.6862   0.04233   0.03593  -0.0747   1.0000   0.0109
 -11.250  -0.6590   0.03874   0.03211  -0.0764   0.9908   0.0118
 -11.000  -0.6421   0.03681   0.03017  -0.0783   0.9769   0.0123
 -10.750  -0.6230   0.03500   0.02831  -0.0803   0.9637   0.0128
 -10.500  -0.6002   0.03318   0.02639  -0.0829   0.9530   0.0135
 -10.250  -0.5739   0.03136   0.02445  -0.0862   0.9430   0.0141
 -10.000  -0.5476   0.02942   0.02242  -0.0899   0.9317   0.0150
  -9.750  -0.5187   0.02766   0.02057  -0.0938   0.9198   0.0161
  -9.500  -0.4902   0.02601   0.01877  -0.0974   0.9068   0.0178
  -9.000  -0.4486   0.02305   0.01563  -0.1013   0.8765   0.0226
  -8.750  -0.4374   0.02186   0.01430  -0.1010   0.8610   0.0250
  -8.500  -0.4319   0.02086   0.01321  -0.0994   0.8466   0.0278
  -8.250  -0.4205   0.02003   0.01231  -0.0981   0.8345   0.0320
  -8.000  -0.4070   0.01926   0.01147  -0.0969   0.8239   0.0394
  -7.750  -0.3931   0.01855   0.01073  -0.0956   0.8132   0.0492
  -7.500  -0.3781   0.01780   0.01001  -0.0945   0.8038   0.0636
  -7.250  -0.3620   0.01704   0.00929  -0.0935   0.7945   0.0857
  -7.000  -0.3455   0.01626   0.00861  -0.0926   0.7857   0.1171
  -6.750  -0.3298   0.01529   0.00784  -0.0917   0.7774   0.1684
  -6.500  -0.3161   0.01403   0.00698  -0.0908   0.7691   0.2582
  -6.250  -0.2976   0.01336   0.00679  -0.0900   0.7612   0.3704
  -6.000  -0.2713   0.01336   0.00675  -0.0898   0.7540   0.4071
  -5.750  -0.2443   0.01340   0.00664  -0.0897   0.7466   0.4280
  -5.500  -0.2169   0.01348   0.00658  -0.0896   0.7399   0.4429
  -5.250  -0.1899   0.01357   0.00661  -0.0894   0.7323   0.4541
  -5.000  -0.1623   0.01365   0.00654  -0.0893   0.7259   0.4642
  -4.750  -0.1353   0.01382   0.00660  -0.0891   0.7189   0.4775
  -4.500  -0.1079   0.01407   0.00682  -0.0888   0.7124   0.4884
  -4.250  -0.0803   0.01406   0.00664  -0.0888   0.7062   0.4945
  -4.000  -0.0529   0.01399   0.00651  -0.0888   0.6992   0.4968
  -3.750  -0.0250   0.01393   0.00634  -0.0888   0.6933   0.4992
  -3.500   0.0026   0.01386   0.00619  -0.0889   0.6869   0.5017
  -3.250   0.0303   0.01380   0.00602  -0.0890   0.6809   0.5043
  -2.750   0.0860   0.01368   0.00564  -0.0893   0.6691   0.5099
  -2.500   0.1137   0.01362   0.00552  -0.0893   0.6631   0.5117
  -2.250   0.1416   0.01359   0.00542  -0.0894   0.6580   0.5136
  -2.000   0.1690   0.01356   0.00537  -0.0895   0.6521   0.5159
  -1.750   0.1969   0.01355   0.00529  -0.0895   0.6467   0.5185
  -1.500   0.2249   0.01354   0.00519  -0.0897   0.6419   0.5211
  -1.250   0.2524   0.01352   0.00513  -0.0898   0.6358   0.5236
  -1.000   0.2803   0.01352   0.00504  -0.0899   0.6305   0.5262
  -0.500   0.3356   0.01352   0.00500  -0.0901   0.6209   0.5305
  -0.250   0.3631   0.01354   0.00501  -0.0901   0.6157   0.5331
   0.000   0.3910   0.01357   0.00499  -0.0902   0.6111   0.5360
   0.250   0.4185   0.01360   0.00500  -0.0903   0.6062   0.5388
   0.500   0.4460   0.01363   0.00502  -0.0904   0.6013   0.5417
   0.750   0.4738   0.01367   0.00502  -0.0905   0.5969   0.5444
   1.000   0.5015   0.01371   0.00505  -0.0906   0.5928   0.5467
   1.250   0.5283   0.01376   0.00515  -0.0906   0.5877   0.5494
   1.500   0.5555   0.01381   0.00522  -0.0906   0.5831   0.5526
   1.750   0.5833   0.01389   0.00527  -0.0907   0.5791   0.5562
   2.000   0.6107   0.01397   0.00534  -0.0908   0.5748   0.5599
   2.250   0.6373   0.01403   0.00547  -0.0907   0.5699   0.5628
   2.500   0.6643   0.01410   0.00558  -0.0907   0.5656   0.5657
   2.750   0.6920   0.01419   0.00566  -0.0908   0.5618   0.5691
   3.000   0.7184   0.01429   0.00581  -0.0907   0.5571   0.5729
   3.250   0.7450   0.01439   0.00595  -0.0906   0.5524   0.5770
   3.500   0.7717   0.01447   0.00608  -0.0906   0.5481   0.5807
   3.750   0.7989   0.01458   0.00622  -0.0906   0.5441   0.5848
   4.000   0.8242   0.01469   0.00643  -0.0903   0.5388   0.5895
   4.250   0.8503   0.01481   0.00658  -0.0901   0.5338   0.5945
   4.500   0.8770   0.01491   0.00672  -0.0900   0.5293   0.5985
   4.750   0.9017   0.01503   0.00695  -0.0896   0.5237   0.6032
   5.000   0.9268   0.01514   0.00714  -0.0893   0.5179   0.6085
   5.250   0.9530   0.01527   0.00727  -0.0891   0.5129   0.6138
   5.500   0.9764   0.01539   0.00754  -0.0884   0.5065   0.6193
   5.750   1.0008   0.01552   0.00774  -0.0880   0.5004   0.6260
   6.000   1.0255   0.01566   0.00794  -0.0875   0.4948   0.6324
   6.250   1.0481   0.01580   0.00822  -0.0867   0.4878   0.6393
   6.500   1.0720   0.01595   0.00841  -0.0861   0.4813   0.6468
   6.750   1.0935   0.01610   0.00871  -0.0852   0.4736   0.6540
   7.000   1.1155   0.01627   0.00892  -0.0843   0.4659   0.6625
   7.250   1.1359   0.01643   0.00924  -0.0831   0.4576   0.6710
   7.500   1.1562   0.01662   0.00948  -0.0819   0.4491   0.6810
   7.750   1.1744   0.01681   0.00982  -0.0803   0.4394   0.6919
   8.000   1.1919   0.01702   0.01011  -0.0786   0.4296   0.7035
   8.250   1.2068   0.01725   0.01044  -0.0765   0.4184   0.7164
   8.500   1.2193   0.01749   0.01080  -0.0739   0.4066   0.7306
   9.000   1.2406   0.01820   0.01167  -0.0684   0.3792   0.7651
   9.250   1.2483   0.01867   0.01221  -0.0653   0.3630   0.7886
   9.500   1.2530   0.01922   0.01284  -0.0618   0.3455   0.8210
   9.750   1.2538   0.01980   0.01354  -0.0577   0.3275   0.8903
  10.250   1.2585   0.02189   0.01553  -0.0521   0.2879   1.0000
  10.500   1.2591   0.02326   0.01682  -0.0495   0.2685   1.0000
  10.750   1.2590   0.02478   0.01829  -0.0471   0.2504   1.0000
  11.000   1.2587   0.02645   0.01990  -0.0448   0.2334   1.0000
  11.250   1.2582   0.02824   0.02164  -0.0428   0.2172   1.0000
  11.500   1.2578   0.03013   0.02350  -0.0411   0.2021   1.0000
  11.750   1.2574   0.03213   0.02546  -0.0395   0.1875   1.0000
  12.000   1.2574   0.03419   0.02751  -0.0382   0.1739   1.0000
  12.250   1.2573   0.03635   0.02965  -0.0370   0.1608   1.0000
  12.500   1.2572   0.03860   0.03190  -0.0359   0.1489   1.0000
  12.750   1.2571   0.04094   0.03423  -0.0350   0.1382   1.0000
  13.000   1.2559   0.04346   0.03674  -0.0343   0.1280   1.0000
  13.250   1.2574   0.04583   0.03912  -0.0337   0.1180   1.0000
  13.500   1.2581   0.04834   0.04166  -0.0333   0.1091   1.0000
  13.750   1.2574   0.05109   0.04440  -0.0329   0.1008   1.0000
  14.000   1.2585   0.05371   0.04705  -0.0327   0.0925   1.0000
  14.250   1.2591   0.05646   0.04983  -0.0326   0.0853   1.0000
  14.500   1.2583   0.05946   0.05284  -0.0326   0.0785   1.0000
  14.750   1.2601   0.06221   0.05565  -0.0327   0.0721   1.0000
  15.000   1.2588   0.06539   0.05884  -0.0329   0.0665   1.0000
  15.250   1.2603   0.06831   0.06182  -0.0332   0.0611   1.0000
  15.500   1.2594   0.07159   0.06514  -0.0336   0.0566   1.0000
  15.750   1.2601   0.07473   0.06834  -0.0341   0.0520   1.0000
  16.000   1.2584   0.07824   0.07190  -0.0348   0.0484   1.0000
  16.250   1.2592   0.08149   0.07523  -0.0355   0.0447   1.0000
  16.500   1.2566   0.08528   0.07907  -0.0364   0.0418   1.0000
  16.750   1.2571   0.08868   0.08257  -0.0372   0.0387   1.0000
  17.000   1.2552   0.09247   0.08642  -0.0383   0.0363   1.0000
  17.250   1.2530   0.09637   0.09040  -0.0395   0.0341   1.0000
  17.500   1.2520   0.10016   0.09430  -0.0407   0.0318   1.0000
  17.750   1.2485   0.10438   0.09857  -0.0422   0.0300   1.0000
  18.000   1.2466   0.10839   0.10268  -0.0436   0.0283   1.0000
  18.250   1.2446   0.11247   0.10687  -0.0452   0.0266   1.0000
  18.500   1.2405   0.11695   0.11141  -0.0471   0.0253   1.0000
  18.750   1.2376   0.12126   0.11582  -0.0490   0.0239   1.0000
  19.000   1.2355   0.12548   0.12017  -0.0509   0.0225   1.0000
  19.250   1.2317   0.13003   0.12481  -0.0531   0.0214   1.0000
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