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EPPLER 434 AIRFOIL (e434-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 434 AIRFOIL (e434-il)
Reynolds number: 200,000
Max Cl/Cd: 82.03 at α=7.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e434-il-200000.txt
Download as CSV file: xf-e434-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 434 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
  ------ -------- --------- --------- -------- -------- --------
 -11.000  -0.1071   0.10510   0.10187  -0.0778   0.9679   0.0357
 -10.750  -0.1092   0.10083   0.09761  -0.0830   0.9636   0.0366
 -10.500  -0.1062   0.09628   0.09306  -0.0881   0.9602   0.0369
 -10.250  -0.0903   0.09103   0.08781  -0.0895   0.9574   0.0375
 -10.000  -0.0729   0.08752   0.08428  -0.0902   0.9511   0.0386
  -9.750  -0.0601   0.08348   0.08022  -0.0928   0.9466   0.0399
  -9.500  -0.0498   0.07926   0.07599  -0.0960   0.9420   0.0414
  -9.250  -0.0455   0.07503   0.07175  -0.0991   0.9346   0.0430
  -9.000  -0.0484   0.06990   0.06661  -0.1055   0.9288   0.0445
  -8.750  -0.0571   0.06533   0.06204  -0.1105   0.9186   0.0449
  -8.500  -0.0701   0.06007   0.05673  -0.1166   0.9093   0.0450
  -8.250  -0.0504   0.05693   0.05362  -0.1118   0.9042   0.0462
  -8.000  -0.0404   0.05429   0.05094  -0.1112   0.8983   0.0475
  -7.750  -0.0453   0.05089   0.04754  -0.1129   0.8895   0.0481
  -7.500  -0.0545   0.04723   0.04382  -0.1149   0.8822   0.0490
  -7.250  -0.0670   0.04439   0.04095  -0.1147   0.8730   0.0496
  -7.000  -0.0717   0.04100   0.03743  -0.1152   0.8670   0.0509
  -6.750  -0.0858   0.03791   0.03401  -0.1153   0.8582   0.0542
  -6.500  -0.0909   0.03337   0.02920  -0.1143   0.8527   0.0556
  -6.250  -0.0773   0.03046   0.02638  -0.1139   0.8484   0.0569
  -6.000  -0.0665   0.02828   0.02416  -0.1130   0.8425   0.0588
  -5.750  -0.0555   0.02578   0.02145  -0.1121   0.8379   0.0631
  -5.500  -0.0484   0.02255   0.01785  -0.1109   0.8334   0.0683
  -5.250  -0.0338   0.02068   0.01598  -0.1100   0.8279   0.0709
  -5.000  -0.0157   0.02799   0.02136  -0.1119   0.8354   0.0299
  -4.750   0.0014   0.02458   0.01738  -0.1096   0.8298   0.0251
  -4.500   0.0254   0.02306   0.01561  -0.1087   0.8252   0.0243
  -4.250   0.0517   0.02142   0.01369  -0.1081   0.8218   0.0242
  -4.000   0.0788   0.02008   0.01209  -0.1075   0.8187   0.0250
  -3.750   0.0996   0.01933   0.01140  -0.1066   0.8131   0.0270
  -3.500   0.1247   0.01862   0.01060  -0.1059   0.8089   0.0311
  -3.250   0.1506   0.01778   0.00976  -0.1055   0.8056   0.0339
  -3.000   0.1738   0.01706   0.00902  -0.1045   0.8018   0.0386
  -2.750   0.1944   0.01660   0.00864  -0.1033   0.7964   0.0534
  -2.500   0.2136   0.01520   0.00790  -0.1021   0.7923   0.1876
  -2.250   0.2226   0.01330   0.00785  -0.0990   0.7891   0.6386
  -2.000   0.2305   0.01372   0.00870  -0.0932   0.7841   0.8249
  -1.750   0.2438   0.01415   0.00910  -0.0890   0.7792   0.8666
  -1.500   0.2621   0.01441   0.00925  -0.0856   0.7756   0.8946
  -1.250   0.2866   0.01458   0.00926  -0.0835   0.7730   0.9186
  -1.000   0.3254   0.01487   0.00945  -0.0848   0.7684   0.9384
  -0.750   0.4023   0.01497   0.00935  -0.0941   0.7656   0.9543
  -0.500   0.4997   0.01483   0.00899  -0.1077   0.7635   0.9747
  -0.250   0.5628   0.01460   0.00861  -0.1151   0.7605   0.9863
   0.000   0.6078   0.01441   0.00829  -0.1189   0.7575   0.9924
   0.250   0.6445   0.01439   0.00825  -0.1214   0.7520   0.9976
   0.500   0.6743   0.01436   0.00817  -0.1223   0.7470   1.0000
   0.750   0.6980   0.01433   0.00806  -0.1217   0.7431   1.0000
   1.000   0.7169   0.01447   0.00819  -0.1204   0.7378   1.0000
   1.250   0.7358   0.01456   0.00827  -0.1191   0.7320   1.0000
   1.500   0.7598   0.01450   0.00816  -0.1185   0.7278   1.0000
   1.750   0.7788   0.01462   0.00827  -0.1172   0.7224   1.0000
   2.000   0.7972   0.01471   0.00837  -0.1157   0.7163   1.0000
   2.250   0.8219   0.01463   0.00824  -0.1152   0.7121   1.0000
   2.500   0.8387   0.01478   0.00842  -0.1134   0.7060   1.0000
   2.750   0.8581   0.01483   0.00848  -0.1120   0.7000   1.0000
   3.000   0.8840   0.01472   0.00831  -0.1116   0.6958   1.0000
   3.250   0.8966   0.01494   0.00859  -0.1091   0.6886   1.0000
   3.500   0.9187   0.01487   0.00852  -0.1081   0.6829   1.0000
   3.750   0.9406   0.01486   0.00849  -0.1070   0.6777   1.0000
   4.000   0.9539   0.01498   0.00868  -0.1045   0.6701   1.0000
   4.250   0.9802   0.01481   0.00847  -0.1042   0.6652   1.0000
   4.500   0.9898   0.01498   0.00872  -0.1009   0.6570   1.0000
   4.750   1.0131   0.01484   0.00857  -0.1000   0.6510   1.0000
   5.000   1.0247   0.01493   0.00873  -0.0971   0.6431   1.0000
   5.250   1.0459   0.01482   0.00861  -0.0958   0.6362   1.0000
   5.500   1.0586   0.01488   0.00873  -0.0930   0.6279   1.0000
   5.750   1.0830   0.01474   0.00859  -0.0923   0.6204   1.0000
   6.000   1.0990   0.01482   0.00874  -0.0903   0.6107   1.0000
   6.250   1.1243   0.01475   0.00867  -0.0898   0.6019   1.0000
   6.500   1.1462   0.01474   0.00871  -0.0888   0.5913   1.0000
   6.750   1.1664   0.01480   0.00882  -0.0875   0.5794   1.0000
   7.000   1.1881   0.01485   0.00891  -0.0865   0.5672   1.0000
   7.250   1.2093   0.01492   0.00902  -0.0854   0.5539   1.0000
   7.500   1.2294   0.01504   0.00917  -0.0841   0.5393   1.0000
   7.750   1.2476   0.01521   0.00936  -0.0825   0.5230   1.0000
   8.000   1.2645   0.01543   0.00958  -0.0806   0.5051   1.0000
   8.250   1.2799   0.01572   0.00985  -0.0786   0.4861   1.0000
   8.500   1.2919   0.01609   0.01020  -0.0760   0.4663   1.0000
   8.750   1.3002   0.01653   0.01063  -0.0727   0.4456   1.0000
   9.000   1.3079   0.01711   0.01112  -0.0696   0.4246   1.0000
   9.250   1.3137   0.01778   0.01177  -0.0663   0.4023   1.0000
   9.500   1.3183   0.01860   0.01251  -0.0630   0.3804   1.0000
   9.750   1.3219   0.01952   0.01338  -0.0598   0.3580   1.0000
  10.000   1.3242   0.02060   0.01439  -0.0566   0.3362   1.0000
  10.250   1.3264   0.02178   0.01552  -0.0537   0.3146   1.0000
  10.500   1.3280   0.02309   0.01677  -0.0510   0.2934   1.0000
  10.750   1.3288   0.02455   0.01817  -0.0483   0.2738   1.0000
  11.000   1.3310   0.02603   0.01963  -0.0461   0.2536   1.0000
  11.250   1.3322   0.02766   0.02122  -0.0439   0.2347   1.0000
  11.500   1.3325   0.02944   0.02293  -0.0418   0.2167   1.0000
  11.750   1.3335   0.03126   0.02472  -0.0399   0.1991   1.0000
  12.000   1.3347   0.03315   0.02659  -0.0383   0.1818   1.0000
  12.250   1.3353   0.03516   0.02857  -0.0367   0.1656   1.0000
  12.500   1.3356   0.03727   0.03067  -0.0352   0.1506   1.0000
  12.750   1.3355   0.03950   0.03289  -0.0339   0.1364   1.0000
  13.000   1.3352   0.04184   0.03522  -0.0327   0.1231   1.0000
  13.250   1.3347   0.04430   0.03767  -0.0316   0.1111   1.0000
  13.500   1.3338   0.04688   0.04025  -0.0307   0.1003   1.0000
  13.750   1.3314   0.04969   0.04304  -0.0298   0.0906   1.0000
  14.000   1.3297   0.05255   0.04589  -0.0292   0.0821   1.0000
  14.250   1.3300   0.05528   0.04871  -0.0287   0.0739   1.0000
  14.500   1.3271   0.05843   0.05185  -0.0282   0.0674   1.0000
  14.750   1.3263   0.06145   0.05495  -0.0280   0.0614   1.0000
  15.000   1.3248   0.06461   0.05816  -0.0277   0.0563   1.0000
  15.250   1.3243   0.06777   0.06139  -0.0278   0.0517   1.0000
  15.500   1.3226   0.07106   0.06472  -0.0277   0.0478   1.0000
  15.750   1.3229   0.07428   0.06806  -0.0280   0.0441   1.0000
  16.000   1.3208   0.07762   0.07132  -0.0280   0.0408   1.0000
  16.250   1.3213   0.08102   0.07495  -0.0286   0.0381   1.0000
  16.500   1.3205   0.08455   0.07855  -0.0292   0.0355   1.0000
  16.750   1.3205   0.08780   0.08180  -0.0295   0.0330   1.0000
  17.000   1.3192   0.09162   0.08584  -0.0304   0.0308   1.0000
  17.250   1.3182   0.09530   0.08959  -0.0314   0.0289   1.0000
  17.500   1.3184   0.09860   0.09290  -0.0319   0.0268   1.0000
  17.750   1.3144   0.10304   0.09757  -0.0334   0.0252   1.0000
  18.000   1.3122   0.10711   0.10174  -0.0348   0.0236   1.0000
  18.250   1.3150   0.10995   0.10452  -0.0353   0.0219   1.0000
  18.500   1.3076   0.11518   0.11002  -0.0375   0.0209   1.0000
  18.750   1.3016   0.12015   0.11518  -0.0399   0.0197   1.0000
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