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EPPLER 557 AIRFOIL (e557-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 557 AIRFOIL (e557-il)
Reynolds number: 200,000
Max Cl/Cd: 73.12 at α=6.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e557-il-200000-n5.txt
Download as CSV file: xf-e557-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 557 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
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.4445   0.13878   0.13483  -0.0411   1.0000   0.0120
 -14.500  -0.5642   0.10243   0.09826  -0.0564   1.0000   0.0109
 -14.250  -0.6264   0.08575   0.08114  -0.0653   1.0000   0.0101
 -14.000  -0.6351   0.08087   0.07620  -0.0678   1.0000   0.0104
 -13.750  -0.6480   0.07553   0.07074  -0.0704   1.0000   0.0105
 -13.500  -0.6661   0.06972   0.06473  -0.0727   1.0000   0.0103
 -13.250  -0.6749   0.06573   0.06062  -0.0741   1.0000   0.0104
 -13.000  -0.6833   0.06217   0.05697  -0.0751   1.0000   0.0107
 -12.750  -0.6921   0.05874   0.05343  -0.0757   1.0000   0.0107
 -12.500  -0.6989   0.05581   0.05040  -0.0761   1.0000   0.0110
 -12.250  -0.7061   0.05298   0.04747  -0.0758   1.0000   0.0110
 -12.000  -0.7130   0.05042   0.04481  -0.0753   1.0000   0.0113
 -11.750  -0.7196   0.04813   0.04242  -0.0744   1.0000   0.0115
 -11.500  -0.7269   0.04601   0.04022  -0.0729   1.0000   0.0115
 -11.250  -0.7354   0.04409   0.03819  -0.0711   1.0000   0.0119
 -11.000  -0.7326   0.04205   0.03603  -0.0712   0.9986   0.0120
 -10.750  -0.7146   0.03966   0.03351  -0.0743   0.9944   0.0125
 -10.500  -0.6976   0.03754   0.03133  -0.0770   0.9892   0.0128
 -10.250  -0.6782   0.03556   0.02927  -0.0800   0.9840   0.0132
 -10.000  -0.6649   0.03368   0.02731  -0.0815   0.9759   0.0138
  -9.750  -0.6483   0.03178   0.02529  -0.0834   0.9681   0.0145
  -9.250  -0.6049   0.02782   0.02115  -0.0892   0.9536   0.0161
  -9.000  -0.5754   0.02613   0.01935  -0.0928   0.9488   0.0176
  -8.750  -0.5519   0.02475   0.01788  -0.0946   0.9416   0.0194
  -8.500  -0.5229   0.02346   0.01651  -0.0970   0.9364   0.0219
  -8.250  -0.4900   0.02206   0.01503  -0.1002   0.9331   0.0244
  -8.000  -0.4662   0.02103   0.01395  -0.1011   0.9249   0.0279
  -7.750  -0.4333   0.01998   0.01283  -0.1035   0.9207   0.0328
  -7.500  -0.3969   0.01892   0.01175  -0.1066   0.9179   0.0397
  -7.250  -0.3705   0.01810   0.01091  -0.1075   0.9096   0.0476
  -7.000  -0.3345   0.01719   0.01000  -0.1103   0.9053   0.0605
  -6.750  -0.2947   0.01626   0.00911  -0.1138   0.9023   0.0801
  -6.500  -0.2651   0.01549   0.00839  -0.1152   0.8940   0.1045
  -6.250  -0.2256   0.01445   0.00752  -0.1189   0.8895   0.1509
  -6.000  -0.1833   0.01302   0.00659  -0.1238   0.8853   0.2634
  -5.750  -0.1503   0.01268   0.00646  -0.1253   0.8772   0.3368
  -5.500  -0.1101   0.01258   0.00630  -0.1278   0.8717   0.3678
  -5.250  -0.0766   0.01256   0.00619  -0.1289   0.8635   0.3857
  -5.000  -0.0392   0.01254   0.00605  -0.1308   0.8563   0.3995
  -4.750  -0.0059   0.01253   0.00591  -0.1318   0.8477   0.4104
  -4.500   0.0298   0.01257   0.00582  -0.1333   0.8396   0.4223
  -4.250   0.0606   0.01273   0.00595  -0.1337   0.8301   0.4350
  -4.000   0.0951   0.01276   0.00586  -0.1350   0.8218   0.4436
  -3.750   0.1242   0.01272   0.00573  -0.1351   0.8115   0.4469
  -3.500   0.1560   0.01266   0.00556  -0.1359   0.8027   0.4506
  -3.250   0.1861   0.01259   0.00536  -0.1364   0.7926   0.4542
  -3.000   0.2161   0.01253   0.00518  -0.1368   0.7832   0.4578
  -2.750   0.2460   0.01250   0.00508  -0.1371   0.7737   0.4604
  -2.500   0.2741   0.01247   0.00500  -0.1371   0.7638   0.4632
  -2.250   0.3039   0.01246   0.00488  -0.1375   0.7546   0.4662
  -2.000   0.3320   0.01244   0.00479  -0.1375   0.7444   0.4698
  -1.750   0.3611   0.01244   0.00467  -0.1378   0.7351   0.4736
  -1.500   0.3892   0.01244   0.00462  -0.1378   0.7253   0.4762
  -1.250   0.4167   0.01244   0.00460  -0.1377   0.7157   0.4788
  -1.000   0.4453   0.01247   0.00455  -0.1378   0.7065   0.4819
  -0.750   0.4725   0.01249   0.00454  -0.1376   0.6965   0.4854
  -0.500   0.5007   0.01253   0.00449  -0.1377   0.6873   0.4894
  -0.250   0.5281   0.01256   0.00449  -0.1376   0.6776   0.4924
   0.000   0.5553   0.01260   0.00452  -0.1374   0.6683   0.4953
   0.250   0.5828   0.01266   0.00454  -0.1373   0.6590   0.4985
   0.500   0.6098   0.01271   0.00457  -0.1371   0.6496   0.5020
   0.750   0.6375   0.01279   0.00458  -0.1371   0.6408   0.5061
   1.000   0.6641   0.01285   0.00466  -0.1368   0.6310   0.5095
   1.250   0.6910   0.01293   0.00473  -0.1366   0.6222   0.5129
   1.500   0.7176   0.01301   0.00481  -0.1364   0.6126   0.5167
   1.750   0.7444   0.01311   0.00488  -0.1362   0.6035   0.5207
   2.000   0.7711   0.01321   0.00496  -0.1360   0.5942   0.5247
   2.250   0.7972   0.01330   0.00509  -0.1356   0.5848   0.5282
   2.750   0.8494   0.01354   0.00535  -0.1349   0.5659   0.5372
   3.000   0.8755   0.01368   0.00547  -0.1346   0.5567   0.5419
   3.250   0.9008   0.01380   0.00564  -0.1341   0.5467   0.5457
   3.500   0.9263   0.01394   0.00581  -0.1336   0.5369   0.5502
   4.000   0.9763   0.01426   0.00616  -0.1326   0.5162   0.5604
   4.250   1.0008   0.01443   0.00637  -0.1320   0.5058   0.5656
   4.500   1.0250   0.01463   0.00657  -0.1313   0.4952   0.5715
   4.750   1.0491   0.01480   0.00679  -0.1306   0.4840   0.5769
   5.000   1.0726   0.01500   0.00704  -0.1298   0.4732   0.5824
   5.500   1.1188   0.01544   0.00755  -0.1281   0.4506   0.5955
   5.750   1.1414   0.01568   0.00785  -0.1272   0.4393   0.6027
   6.000   1.1632   0.01594   0.00814  -0.1261   0.4277   0.6101
   6.250   1.1845   0.01621   0.00845  -0.1250   0.4154   0.6175
   6.500   1.2057   0.01649   0.00879  -0.1238   0.4026   0.6257
   6.750   1.2257   0.01679   0.00915  -0.1225   0.3896   0.6343
   7.000   1.2449   0.01712   0.00952  -0.1210   0.3762   0.6439
   7.250   1.2625   0.01747   0.00992  -0.1192   0.3625   0.6543
   7.500   1.2786   0.01784   0.01033  -0.1172   0.3486   0.6648
   7.750   1.2938   0.01827   0.01078  -0.1150   0.3338   0.6765
   8.000   1.3089   0.01873   0.01128  -0.1129   0.3186   0.6894
   8.250   1.3231   0.01923   0.01184  -0.1107   0.3027   0.7037
   8.500   1.3360   0.01979   0.01243  -0.1084   0.2863   0.7200
   8.750   1.3479   0.02040   0.01308  -0.1059   0.2693   0.7387
   9.000   1.3583   0.02107   0.01379  -0.1033   0.2524   0.7603
   9.250   1.3673   0.02179   0.01456  -0.1005   0.2360   0.7872
   9.500   1.3738   0.02253   0.01538  -0.0973   0.2208   0.8256
   9.750   1.3727   0.02308   0.01606  -0.0927   0.2083   1.0000
  10.000   1.3815   0.02415   0.01709  -0.0906   0.1937   1.0000
  10.250   1.3893   0.02532   0.01822  -0.0884   0.1799   1.0000
  10.500   1.3972   0.02653   0.01942  -0.0864   0.1667   1.0000
  10.750   1.4047   0.02782   0.02071  -0.0845   0.1546   1.0000
  11.000   1.4115   0.02920   0.02210  -0.0826   0.1434   1.0000
  11.250   1.4172   0.03072   0.02362  -0.0808   0.1336   1.0000
  11.500   1.4223   0.03236   0.02526  -0.0791   0.1239   1.0000
  11.750   1.4284   0.03399   0.02692  -0.0776   0.1149   1.0000
  12.000   1.4322   0.03586   0.02881  -0.0762   0.1068   1.0000
  12.250   1.4362   0.03779   0.03077  -0.0749   0.0989   1.0000
  12.500   1.4400   0.03981   0.03285  -0.0737   0.0921   1.0000
  12.750   1.4419   0.04209   0.03516  -0.0727   0.0855   1.0000
  13.000   1.4454   0.04430   0.03743  -0.0718   0.0796   1.0000
  13.250   1.4462   0.04685   0.04002  -0.0711   0.0741   1.0000
  13.500   1.4486   0.04934   0.04259  -0.0705   0.0694   1.0000
  13.750   1.4495   0.05208   0.04539  -0.0700   0.0647   1.0000
  14.000   1.4492   0.05504   0.04842  -0.0697   0.0609   1.0000
  14.250   1.4504   0.05792   0.05140  -0.0696   0.0569   1.0000
  14.500   1.4481   0.06132   0.05486  -0.0697   0.0536   1.0000
  14.750   1.4483   0.06452   0.05817  -0.0698   0.0505   1.0000
  15.000   1.4473   0.06795   0.06169  -0.0702   0.0475   1.0000
  15.250   1.4431   0.07192   0.06572  -0.0708   0.0449   1.0000
  15.500   1.4421   0.07554   0.06947  -0.0714   0.0425   1.0000
  15.750   1.4400   0.07942   0.07346  -0.0722   0.0402   1.0000
  16.000   1.4353   0.08376   0.07788  -0.0733   0.0383   1.0000
  16.250   1.4310   0.08813   0.08234  -0.0745   0.0365   1.0000
  16.500   1.4287   0.09229   0.08665  -0.0757   0.0346   1.0000
  16.750   1.4243   0.09685   0.09131  -0.0772   0.0329   1.0000
  17.000   1.4176   0.10186   0.09640  -0.0791   0.0315   1.0000
  17.250   1.4135   0.10651   0.10118  -0.0808   0.0302   1.0000
  17.500   1.4100   0.11110   0.10591  -0.0827   0.0288   1.0000
  17.750   1.4052   0.11598   0.11090  -0.0848   0.0275   1.0000
  18.000   1.3989   0.12119   0.11619  -0.0872   0.0264   1.0000
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