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EPPLER 426 AIRFOIL (e426-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 426 AIRFOIL (e426-il)
Reynolds number: 200,000
Max Cl/Cd: 54.09 at α=8.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e426-il-200000-n5.txt
Download as CSV file: xf-e426-il-200000-n5.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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.9503   0.08654   0.08170  -0.0098   1.0000   0.0222
 -14.250  -0.9691   0.07941   0.07448  -0.0139   1.0000   0.0222
 -14.000  -0.9917   0.07156   0.06651  -0.0187   1.0000   0.0222
 -13.750  -1.0147   0.06361   0.05841  -0.0237   1.0000   0.0222
 -13.500  -1.0366   0.05588   0.05052  -0.0291   1.0000   0.0222
 -13.250  -1.0541   0.04926   0.04373  -0.0339   1.0000   0.0222
 -13.000  -1.0683   0.04377   0.03808  -0.0378   1.0000   0.0224
 -12.750  -1.0784   0.03966   0.03382  -0.0402   1.0000   0.0227
 -12.500  -1.0860   0.03662   0.03064  -0.0409   1.0000   0.0230
 -12.250  -1.0909   0.03443   0.02833  -0.0398   1.0000   0.0235
 -12.000  -1.0896   0.03266   0.02642  -0.0383   1.0000   0.0243
 -11.750  -1.0820   0.03107   0.02467  -0.0372   1.0000   0.0253
 -11.500  -1.0730   0.02947   0.02295  -0.0361   1.0000   0.0264
 -11.250  -1.0611   0.02802   0.02139  -0.0351   1.0000   0.0277
 -11.000  -1.0463   0.02674   0.01998  -0.0341   1.0000   0.0293
 -10.750  -1.0306   0.02547   0.01858  -0.0332   1.0000   0.0311
 -10.500  -1.0138   0.02423   0.01725  -0.0323   1.0000   0.0334
 -10.250  -0.9952   0.02316   0.01605  -0.0315   1.0000   0.0362
 -10.000  -0.9762   0.02205   0.01490  -0.0307   1.0000   0.0403
  -9.750  -0.9559   0.02110   0.01394  -0.0300   1.0000   0.0459
  -9.500  -0.9340   0.02037   0.01323  -0.0294   1.0000   0.0539
  -9.250  -0.9106   0.01983   0.01262  -0.0288   1.0000   0.0630
  -9.000  -0.8868   0.01936   0.01209  -0.0282   1.0000   0.0705
  -8.750  -0.8630   0.01890   0.01157  -0.0277   1.0000   0.0768
  -8.500  -0.8387   0.01852   0.01108  -0.0271   1.0000   0.0830
  -8.250  -0.8148   0.01808   0.01062  -0.0265   1.0000   0.0881
  -8.000  -0.7903   0.01774   0.01021  -0.0260   1.0000   0.0932
  -7.750  -0.7658   0.01735   0.00973  -0.0254   1.0000   0.0975
  -7.500  -0.7415   0.01699   0.00937  -0.0248   1.0000   0.1016
  -7.250  -0.7167   0.01667   0.00898  -0.0241   1.0000   0.1059
  -7.000  -0.6921   0.01632   0.00857  -0.0235   1.0000   0.1099
  -6.750  -0.6675   0.01604   0.00830  -0.0229   1.0000   0.1146
  -6.500  -0.6426   0.01578   0.00797  -0.0222   1.0000   0.1194
  -6.250  -0.6181   0.01541   0.00756  -0.0215   1.0000   0.1228
  -6.000  -0.5940   0.01502   0.00718  -0.0208   1.0000   0.1259
  -5.750  -0.5696   0.01468   0.00683  -0.0200   1.0000   0.1292
  -5.500  -0.5451   0.01437   0.00648  -0.0193   1.0000   0.1334
  -5.250  -0.5208   0.01404   0.00614  -0.0185   1.0000   0.1374
  -5.000  -0.4968   0.01372   0.00585  -0.0177   1.0000   0.1417
  -4.750  -0.4725   0.01345   0.00558  -0.0169   1.0000   0.1465
  -4.500  -0.4483   0.01322   0.00531  -0.0161   1.0000   0.1512
  -4.250  -0.4249   0.01292   0.00507  -0.0153   1.0000   0.1562
  -4.000  -0.3919   0.01269   0.00485  -0.0164   0.9943   0.1626
  -3.750  -0.3539   0.01245   0.00461  -0.0184   0.9838   0.1691
  -3.250  -0.2820   0.01198   0.00418  -0.0215   0.9521   0.1840
  -3.000  -0.2443   0.01172   0.00398  -0.0234   0.9323   0.1928
  -2.750  -0.2021   0.01150   0.00375  -0.0261   0.9080   0.2022
  -2.500  -0.1633   0.01130   0.00353  -0.0279   0.8727   0.2128
  -2.250  -0.1328   0.01118   0.00334  -0.0279   0.8309   0.2237
  -2.000  -0.1062   0.01110   0.00317  -0.0272   0.7909   0.2371
  -1.750  -0.0806   0.01099   0.00303  -0.0264   0.7550   0.2577
  -1.500  -0.0552   0.01083   0.00291  -0.0256   0.7250   0.2908
  -1.250  -0.0299   0.01060   0.00283  -0.0250   0.6993   0.3466
  -1.000  -0.0047   0.01040   0.00279  -0.0243   0.6746   0.4093
  -0.750   0.0210   0.01029   0.00277  -0.0236   0.6500   0.4579
  -0.500   0.0470   0.01024   0.00274  -0.0229   0.6266   0.4967
  -0.250   0.0732   0.01019   0.00274  -0.0223   0.6032   0.5314
   0.000   0.0992   0.01017   0.00275  -0.0216   0.5787   0.5653
   0.250   0.1250   0.01017   0.00277  -0.0208   0.5528   0.5992
   0.500   0.1507   0.01020   0.00279  -0.0200   0.5247   0.6313
   0.750   0.1764   0.01025   0.00283  -0.0193   0.4952   0.6610
   1.000   0.2022   0.01032   0.00287  -0.0185   0.4653   0.6888
   1.250   0.2276   0.01040   0.00292  -0.0177   0.4335   0.7164
   1.500   0.2525   0.01050   0.00300  -0.0167   0.3990   0.7484
   1.750   0.2764   0.01061   0.00309  -0.0155   0.3625   0.7895
   2.000   0.3000   0.01073   0.00320  -0.0142   0.3274   0.8365
   2.250   0.3275   0.01089   0.00333  -0.0137   0.2991   0.8877
   2.750   0.4091   0.01136   0.00362  -0.0186   0.2573   0.9922
   3.000   0.4375   0.01162   0.00378  -0.0188   0.2449   1.0000
   3.250   0.4626   0.01185   0.00394  -0.0182   0.2357   1.0000
   3.500   0.4877   0.01212   0.00413  -0.0176   0.2277   1.0000
   3.750   0.5136   0.01234   0.00433  -0.0171   0.2210   1.0000
   4.000   0.5392   0.01260   0.00454  -0.0166   0.2143   1.0000
   4.250   0.5649   0.01288   0.00478  -0.0161   0.2081   1.0000
   4.500   0.5911   0.01311   0.00501  -0.0156   0.2018   1.0000
   4.750   0.6168   0.01341   0.00526  -0.0151   0.1962   1.0000
   5.000   0.6427   0.01370   0.00555  -0.0147   0.1911   1.0000
   5.250   0.6689   0.01395   0.00582  -0.0143   0.1851   1.0000
   5.500   0.6945   0.01427   0.00610  -0.0138   0.1795   1.0000
   5.750   0.7204   0.01457   0.00643  -0.0133   0.1744   1.0000
   6.000   0.7465   0.01485   0.00674  -0.0129   0.1686   1.0000
   6.250   0.7718   0.01520   0.00706  -0.0124   0.1630   1.0000
   6.500   0.7977   0.01551   0.00743  -0.0120   0.1575   1.0000
   6.750   0.8234   0.01582   0.00777  -0.0115   0.1515   1.0000
   7.000   0.8485   0.01620   0.00813  -0.0110   0.1460   1.0000
   7.250   0.8743   0.01650   0.00852  -0.0106   0.1396   1.0000
   7.500   0.8991   0.01686   0.00886  -0.0101   0.1335   1.0000
   7.750   0.9245   0.01721   0.00929  -0.0096   0.1273   1.0000
   8.000   0.9492   0.01759   0.00968  -0.0091   0.1215   1.0000
   8.250   0.9737   0.01802   0.01016  -0.0086   0.1163   1.0000
   8.500   0.9980   0.01845   0.01063  -0.0080   0.1111   1.0000
   8.750   1.0214   0.01896   0.01114  -0.0074   0.1064   1.0000
   9.000   1.0453   0.01945   0.01173  -0.0068   0.1016   1.0000
   9.250   1.0681   0.02000   0.01230  -0.0061   0.0969   1.0000
   9.500   1.0908   0.02057   0.01294  -0.0055   0.0920   1.0000
   9.750   1.1134   0.02112   0.01356  -0.0048   0.0865   1.0000
  10.000   1.1347   0.02178   0.01424  -0.0041   0.0819   1.0000
  10.250   1.1568   0.02236   0.01493  -0.0034   0.0769   1.0000
  10.500   1.1767   0.02309   0.01566  -0.0025   0.0728   1.0000
  10.750   1.1979   0.02373   0.01645  -0.0017   0.0687   1.0000
  11.000   1.2172   0.02446   0.01724  -0.0008   0.0647   1.0000
  11.250   1.2359   0.02524   0.01811   0.0001   0.0612   1.0000
  11.500   1.2541   0.02603   0.01898   0.0011   0.0573   1.0000
  11.750   1.2701   0.02694   0.01994   0.0022   0.0540   1.0000
  12.000   1.2860   0.02783   0.02097   0.0034   0.0508   1.0000
  12.250   1.2988   0.02888   0.02208   0.0047   0.0479   1.0000
  12.500   1.3101   0.02993   0.02324   0.0063   0.0450   1.0000
  12.750   1.3172   0.03109   0.02450   0.0082   0.0424   1.0000
  13.000   1.3209   0.03250   0.02599   0.0101   0.0401   1.0000
  13.250   1.3247   0.03402   0.02766   0.0116   0.0376   1.0000
  13.500   1.3248   0.03597   0.02972   0.0127   0.0358   1.0000
  13.750   1.3222   0.03840   0.03227   0.0131   0.0336   1.0000
  14.000   1.3190   0.04120   0.03523   0.0128   0.0318   1.0000
  14.250   1.3109   0.04491   0.03906   0.0116   0.0301   1.0000
  14.500   1.3004   0.04931   0.04361   0.0096   0.0290   1.0000
  14.750   1.2877   0.05445   0.04894   0.0069   0.0278   1.0000
  15.000   1.2692   0.06086   0.05553   0.0031   0.0271   1.0000
  15.250   1.2457   0.06851   0.06338  -0.0015   0.0271   1.0000
  15.500   1.2167   0.07748   0.07255  -0.0070   0.0275   1.0000
  15.750   1.1837   0.08748   0.08273  -0.0129   0.0282   1.0000
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