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EPPLER 428 AIRFOIL (e428-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 428 AIRFOIL (e428-il)
Reynolds number: 1,000,000
Max Cl/Cd: 86.14 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e428-il-1000000-n5.txt
Download as CSV file: xf-e428-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 428 AIRFOIL                              
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -1.0995   0.08118   0.07767  -0.0108   1.0000   0.0066
 -15.500  -1.1335   0.07231   0.06868  -0.0157   1.0000   0.0066
 -15.250  -1.1746   0.06230   0.05853  -0.0215   1.0000   0.0065
 -15.000  -1.2079   0.05309   0.04916  -0.0271   1.0000   0.0065
 -14.750  -1.2338   0.04463   0.04051  -0.0331   1.0000   0.0065
 -14.500  -1.2519   0.03779   0.03349  -0.0383   1.0000   0.0065
 -14.250  -1.2612   0.03330   0.02886  -0.0413   1.0000   0.0065
 -14.000  -1.2688   0.03014   0.02557  -0.0423   1.0000   0.0065
 -13.750  -1.2727   0.02818   0.02350  -0.0412   1.0000   0.0065
 -13.500  -1.2738   0.02681   0.02204  -0.0388   1.0000   0.0066
 -13.250  -1.2658   0.02561   0.02076  -0.0372   1.0000   0.0066
 -13.000  -1.2530   0.02460   0.01967  -0.0360   1.0000   0.0067
 -12.750  -1.2411   0.02339   0.01836  -0.0347   1.0000   0.0067
 -12.500  -1.2285   0.02211   0.01698  -0.0334   1.0000   0.0069
 -12.250  -1.2113   0.02117   0.01598  -0.0325   1.0000   0.0069
 -12.000  -1.1933   0.02026   0.01500  -0.0316   1.0000   0.0071
 -11.750  -1.1735   0.01949   0.01416  -0.0307   1.0000   0.0072
 -11.500  -1.1526   0.01880   0.01342  -0.0300   1.0000   0.0074
 -11.250  -1.1310   0.01816   0.01273  -0.0293   1.0000   0.0075
 -11.000  -1.1088   0.01755   0.01206  -0.0286   1.0000   0.0077
 -10.750  -1.0862   0.01697   0.01144  -0.0280   1.0000   0.0079
 -10.500  -1.0633   0.01642   0.01084  -0.0273   1.0000   0.0080
 -10.250  -1.0400   0.01589   0.01027  -0.0267   1.0000   0.0082
 -10.000  -1.0164   0.01539   0.00972  -0.0261   1.0000   0.0084
  -9.750  -0.9924   0.01492   0.00921  -0.0255   1.0000   0.0085
  -9.500  -0.9683   0.01448   0.00872  -0.0249   1.0000   0.0086
  -9.250  -0.9442   0.01401   0.00822  -0.0243   1.0000   0.0089
  -9.000  -0.9202   0.01351   0.00768  -0.0236   1.0000   0.0092
  -8.750  -0.8959   0.01309   0.00722  -0.0230   1.0000   0.0095
  -8.500  -0.8713   0.01270   0.00681  -0.0224   1.0000   0.0098
  -8.250  -0.8466   0.01234   0.00643  -0.0217   1.0000   0.0102
  -8.000  -0.8218   0.01201   0.00607  -0.0211   1.0000   0.0106
  -7.750  -0.7970   0.01170   0.00574  -0.0204   1.0000   0.0111
  -7.500  -0.7724   0.01136   0.00539  -0.0197   1.0000   0.0120
  -7.250  -0.7477   0.01103   0.00505  -0.0190   1.0000   0.0133
  -7.000  -0.7256   0.01026   0.00442  -0.0180   1.0000   0.0347
  -6.750  -0.6980   0.00985   0.00410  -0.0180   0.9987   0.0474
  -6.500  -0.6648   0.00955   0.00383  -0.0191   0.9935   0.0539
  -6.250  -0.6322   0.00928   0.00358  -0.0200   0.9875   0.0597
  -6.000  -0.5975   0.00898   0.00333  -0.0214   0.9807   0.0676
  -5.750  -0.5624   0.00863   0.00307  -0.0230   0.9697   0.0825
  -5.500  -0.5258   0.00836   0.00285  -0.0247   0.9494   0.0964
  -5.250  -0.4925   0.00817   0.00265  -0.0257   0.9111   0.1080
  -5.000  -0.4664   0.00808   0.00247  -0.0250   0.8686   0.1171
  -4.750  -0.4407   0.00806   0.00233  -0.0242   0.8298   0.1233
  -4.500  -0.4149   0.00802   0.00219  -0.0235   0.7916   0.1311
  -4.250  -0.3885   0.00796   0.00206  -0.0230   0.7595   0.1414
  -4.000  -0.3618   0.00790   0.00194  -0.0226   0.7300   0.1533
  -3.750  -0.3348   0.00786   0.00183  -0.0222   0.7011   0.1624
  -3.500  -0.3075   0.00781   0.00174  -0.0219   0.6740   0.1714
  -3.250  -0.2801   0.00782   0.00165  -0.0215   0.6454   0.1780
  -3.000  -0.2527   0.00781   0.00157  -0.0212   0.6150   0.1847
  -2.750  -0.2250   0.00781   0.00149  -0.0210   0.5880   0.1911
  -2.500  -0.1972   0.00781   0.00143  -0.0207   0.5648   0.1972
  -2.250  -0.1694   0.00780   0.00137  -0.0205   0.5410   0.2053
  -2.000  -0.1416   0.00780   0.00132  -0.0203   0.5180   0.2132
  -1.750  -0.1137   0.00781   0.00128  -0.0200   0.4950   0.2201
  -1.500  -0.0858   0.00785   0.00124  -0.0198   0.4691   0.2251
  -1.250  -0.0580   0.00789   0.00121  -0.0196   0.4440   0.2310
  -1.000  -0.0300   0.00792   0.00119  -0.0194   0.4216   0.2373
  -0.750  -0.0021   0.00799   0.00117  -0.0192   0.3951   0.2425
  -0.500   0.0254   0.00808   0.00117  -0.0189   0.3596   0.2496
  -0.250   0.0528   0.00821   0.00118  -0.0187   0.3182   0.2572
   0.000   0.0802   0.00831   0.00120  -0.0185   0.2859   0.2667
   0.250   0.1079   0.00839   0.00122  -0.0183   0.2634   0.2782
   0.500   0.1357   0.00843   0.00125  -0.0180   0.2476   0.2917
   0.750   0.1635   0.00844   0.00128  -0.0178   0.2345   0.3092
   1.000   0.1912   0.00845   0.00131  -0.0176   0.2234   0.3297
   1.250   0.2189   0.00844   0.00135  -0.0174   0.2139   0.3535
   1.500   0.2467   0.00840   0.00139  -0.0172   0.2068   0.3852
   1.750   0.2743   0.00837   0.00144  -0.0170   0.1993   0.4190
   2.000   0.3020   0.00836   0.00150  -0.0168   0.1927   0.4502
   2.250   0.3297   0.00836   0.00157  -0.0166   0.1858   0.4802
   2.500   0.3573   0.00839   0.00164  -0.0163   0.1782   0.5091
   2.750   0.3849   0.00839   0.00172  -0.0161   0.1722   0.5406
   3.000   0.4123   0.00842   0.00181  -0.0158   0.1659   0.5715
   3.250   0.4400   0.00844   0.00191  -0.0156   0.1617   0.5998
   3.500   0.4675   0.00847   0.00201  -0.0153   0.1572   0.6258
   3.750   0.4947   0.00854   0.00212  -0.0150   0.1499   0.6548
   4.000   0.5221   0.00857   0.00224  -0.0146   0.1460   0.6832
   4.250   0.5494   0.00862   0.00236  -0.0143   0.1424   0.7089
   4.500   0.5764   0.00868   0.00248  -0.0139   0.1382   0.7384
   4.750   0.6030   0.00873   0.00262  -0.0135   0.1334   0.7711
   5.000   0.6293   0.00874   0.00276  -0.0129   0.1302   0.8082
   5.250   0.6534   0.00870   0.00291  -0.0118   0.1260   0.8715
   5.500   0.6962   0.00870   0.00308  -0.0147   0.1195   0.9787
   5.750   0.7273   0.00887   0.00323  -0.0153   0.1143   1.0000
   6.000   0.7539   0.00907   0.00340  -0.0149   0.1089   1.0000
   6.250   0.7807   0.00925   0.00356  -0.0145   0.1041   1.0000
   6.500   0.8070   0.00949   0.00375  -0.0141   0.0968   1.0000
   6.750   0.8336   0.00970   0.00395  -0.0137   0.0904   1.0000
   7.000   0.8597   0.00998   0.00418  -0.0133   0.0825   1.0000
   7.250   0.8854   0.01030   0.00444  -0.0128   0.0731   1.0000
   7.500   0.9109   0.01066   0.00474  -0.0123   0.0638   1.0000
   8.000   0.9623   0.01130   0.00533  -0.0114   0.0540   1.0000
   8.250   0.9879   0.01162   0.00564  -0.0109   0.0508   1.0000
   8.500   1.0137   0.01191   0.00594  -0.0105   0.0485   1.0000
   8.750   1.0394   0.01220   0.00624  -0.0100   0.0463   1.0000
   9.000   1.0645   0.01257   0.00660  -0.0095   0.0434   1.0000
   9.250   1.0898   0.01288   0.00692  -0.0091   0.0406   1.0000
   9.500   1.1144   0.01329   0.00731  -0.0085   0.0362   1.0000
   9.750   1.1374   0.01389   0.00783  -0.0078   0.0242   1.0000
  10.000   1.1598   0.01455   0.00845  -0.0070   0.0185   1.0000
  10.250   1.1832   0.01506   0.00898  -0.0064   0.0169   1.0000
  10.500   1.2068   0.01552   0.00947  -0.0057   0.0160   1.0000
  10.750   1.2302   0.01599   0.00998  -0.0050   0.0154   1.0000
  11.000   1.2530   0.01651   0.01053  -0.0043   0.0147   1.0000
  11.250   1.2749   0.01709   0.01115  -0.0035   0.0141   1.0000
  11.500   1.2965   0.01769   0.01179  -0.0027   0.0136   1.0000
  11.750   1.3185   0.01820   0.01235  -0.0019   0.0133   1.0000
  12.000   1.3399   0.01875   0.01296  -0.0010   0.0130   1.0000
  12.250   1.3606   0.01933   0.01359  -0.0001   0.0127   1.0000
  12.500   1.3805   0.01995   0.01427   0.0009   0.0124   1.0000
  12.750   1.3994   0.02062   0.01499   0.0019   0.0121   1.0000
  13.000   1.4171   0.02135   0.01578   0.0031   0.0118   1.0000
  13.250   1.4330   0.02217   0.01665   0.0045   0.0115   1.0000
  13.500   1.4468   0.02307   0.01761   0.0060   0.0112   1.0000
  13.750   1.4591   0.02398   0.01859   0.0078   0.0110   1.0000
  14.000   1.4684   0.02478   0.01947   0.0100   0.0109   1.0000
  14.250   1.4752   0.02566   0.02042   0.0125   0.0107   1.0000
  14.500   1.4801   0.02673   0.02157   0.0147   0.0106   1.0000
  14.750   1.4836   0.02800   0.02293   0.0166   0.0105   1.0000
  15.000   1.4849   0.02961   0.02463   0.0181   0.0104   1.0000
  15.250   1.4850   0.03157   0.02668   0.0189   0.0102   1.0000
  15.500   1.4838   0.03393   0.02914   0.0191   0.0101   1.0000
  15.750   1.4798   0.03691   0.03224   0.0186   0.0100   1.0000
  16.000   1.4749   0.04035   0.03579   0.0174   0.0099   1.0000
  16.250   1.4646   0.04481   0.04039   0.0153   0.0099   1.0000
  16.500   1.4514   0.05006   0.04578   0.0126   0.0098   1.0000
  16.750   1.4265   0.05745   0.05334   0.0083   0.0098   1.0000
  17.000   1.3901   0.06707   0.06317   0.0027   0.0099   1.0000
  17.250   1.3436   0.07883   0.07515  -0.0040   0.0099   1.0000
  17.500   1.2801   0.09379   0.09033  -0.0126   0.0101   1.0000
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