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USA 28 AIRFOIL (usa28-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: USA 28 AIRFOIL (usa28-il)
Reynolds number: 500,000
Max Cl/Cd: 87.81 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-usa28-il-500000-n5.txt
Download as CSV file: xf-usa28-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: USA 28 AIRFOIL                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.750  -0.7402   0.11507   0.11228  -0.0439   1.0000   0.0146
 -16.500  -0.7695   0.10598   0.10309  -0.0483   1.0000   0.0145
 -16.250  -0.7936   0.09821   0.09523  -0.0521   1.0000   0.0146
 -16.000  -0.8174   0.09072   0.08766  -0.0558   1.0000   0.0148
 -15.750  -0.8391   0.08385   0.08070  -0.0592   1.0000   0.0149
 -15.500  -0.8632   0.07683   0.07360  -0.0626   1.0000   0.0150
 -15.250  -0.8863   0.07051   0.06717  -0.0656   1.0000   0.0149
 -15.000  -0.9114   0.06420   0.06078  -0.0685   1.0000   0.0150
 -14.750  -0.9421   0.05763   0.05410  -0.0714   1.0000   0.0147
 -14.500  -0.9712   0.05159   0.04797  -0.0738   1.0000   0.0147
 -14.250  -1.0090   0.04486   0.04114  -0.0766   1.0000   0.0146
 -14.000  -1.0598   0.03572   0.03177  -0.0823   1.0000   0.0142
 -13.750  -1.0796   0.03293   0.02882  -0.0793   1.0000   0.0143
 -13.500  -1.0747   0.03078   0.02655  -0.0791   0.9984   0.0147
 -13.250  -1.0526   0.02932   0.02501  -0.0807   0.9960   0.0156
 -13.000  -1.0290   0.02803   0.02362  -0.0821   0.9938   0.0165
 -12.750  -1.0080   0.02678   0.02224  -0.0827   0.9907   0.0173
 -12.500  -0.9831   0.02571   0.02102  -0.0836   0.9879   0.0182
 -12.250  -0.9566   0.02467   0.01990  -0.0849   0.9857   0.0191
 -12.000  -0.9340   0.02387   0.01904  -0.0850   0.9823   0.0200
 -11.750  -0.9097   0.02314   0.01823  -0.0852   0.9787   0.0209
 -11.500  -0.8816   0.02246   0.01745  -0.0861   0.9762   0.0220
 -11.250  -0.8602   0.02178   0.01666  -0.0855   0.9711   0.0228
 -11.000  -0.8353   0.02115   0.01589  -0.0856   0.9665   0.0234
 -10.750  -0.8178   0.02027   0.01497  -0.0843   0.9588   0.0244
 -10.250  -0.7750   0.01917   0.01377  -0.0826   0.9418   0.0262
 -10.000  -0.7508   0.01864   0.01316  -0.0823   0.9344   0.0271
  -9.750  -0.7242   0.01807   0.01249  -0.0824   0.9284   0.0281
  -9.500  -0.6945   0.01749   0.01181  -0.0832   0.9241   0.0288
  -9.250  -0.6644   0.01701   0.01123  -0.0839   0.9185   0.0294
  -9.000  -0.6343   0.01612   0.01027  -0.0850   0.9137   0.0309
  -8.750  -0.5987   0.01550   0.00959  -0.0870   0.9101   0.0320
  -8.500  -0.5630   0.01501   0.00902  -0.0890   0.9049   0.0332
  -8.250  -0.5242   0.01452   0.00845  -0.0917   0.9000   0.0344
  -8.000  -0.4824   0.01400   0.00783  -0.0950   0.8952   0.0354
  -7.750  -0.4409   0.01357   0.00729  -0.0983   0.8876   0.0363
  -7.250  -0.3622   0.01262   0.00611  -0.1039   0.8671   0.0388
  -7.000  -0.3314   0.01228   0.00569  -0.1047   0.8568   0.0403
  -6.500  -0.2768   0.01177   0.00501  -0.1047   0.8395   0.0432
  -6.000  -0.2256   0.01136   0.00443  -0.1038   0.8220   0.0467
  -5.750  -0.2009   0.01111   0.00414  -0.1032   0.8133   0.0504
  -5.500  -0.1768   0.01092   0.00390  -0.1024   0.8046   0.0538
  -5.250  -0.1520   0.01074   0.00366  -0.1017   0.7973   0.0588
  -5.000  -0.1284   0.01052   0.00343  -0.1009   0.7891   0.0661
  -4.750  -0.1045   0.01030   0.00318  -0.1000   0.7808   0.0763
  -4.500  -0.0827   0.00992   0.00297  -0.0989   0.7715   0.1186
  -4.250  -0.0585   0.00980   0.00285  -0.0981   0.7617   0.1363
  -4.000  -0.0344   0.00972   0.00273  -0.0972   0.7508   0.1462
  -3.750  -0.0105   0.00966   0.00261  -0.0963   0.7389   0.1520
  -3.500   0.0133   0.00956   0.00249  -0.0953   0.7274   0.1595
  -3.250   0.0375   0.00952   0.00239  -0.0944   0.7167   0.1648
  -3.000   0.0610   0.00944   0.00228  -0.0935   0.7060   0.1720
  -2.750   0.0851   0.00938   0.00218  -0.0926   0.6954   0.1782
  -2.500   0.1087   0.00931   0.00209  -0.0916   0.6853   0.1872
  -2.250   0.1318   0.00923   0.00201  -0.0906   0.6748   0.2014
  -2.000   0.1555   0.00912   0.00194  -0.0897   0.6660   0.2223
  -1.750   0.1790   0.00902   0.00191  -0.0887   0.6587   0.2525
  -1.500   0.2034   0.00896   0.00190  -0.0880   0.6519   0.2776
  -1.000   0.2528   0.00897   0.00192  -0.0865   0.6385   0.3098
  -0.750   0.2779   0.00899   0.00193  -0.0858   0.6326   0.3204
  -0.500   0.3029   0.00903   0.00194  -0.0851   0.6268   0.3294
  -0.250   0.3278   0.00905   0.00196  -0.0844   0.6199   0.3365
   0.000   0.3525   0.00910   0.00198  -0.0836   0.6137   0.3430
   0.250   0.3777   0.00913   0.00200  -0.0830   0.6078   0.3496
   0.500   0.4024   0.00915   0.00203  -0.0822   0.6016   0.3554
   0.750   0.4268   0.00921   0.00206  -0.0814   0.5957   0.3608
   1.000   0.4518   0.00922   0.00209  -0.0807   0.5892   0.3657
   1.250   0.4755   0.00926   0.00213  -0.0798   0.5817   0.3715
   1.500   0.4995   0.00930   0.00217  -0.0789   0.5732   0.3762
   1.750   0.5223   0.00935   0.00220  -0.0777   0.5633   0.3800
   2.000   0.5447   0.00938   0.00225  -0.0765   0.5507   0.3848
   2.250   0.5662   0.00944   0.00229  -0.0750   0.5355   0.3891
   2.500   0.5852   0.00954   0.00233  -0.0730   0.5118   0.3926
   2.750   0.5998   0.00971   0.00237  -0.0702   0.4832   0.3957
   3.000   0.6161   0.00987   0.00247  -0.0677   0.4636   0.3991
   3.250   0.6346   0.01003   0.00258  -0.0657   0.4508   0.4037
   3.500   0.6541   0.01019   0.00270  -0.0639   0.4415   0.4084
   3.750   0.6750   0.01030   0.00283  -0.0624   0.4339   0.4134
   4.000   0.6949   0.01045   0.00298  -0.0608   0.4271   0.4183
   4.250   0.7167   0.01056   0.00311  -0.0595   0.4219   0.4233
   4.500   0.7378   0.01068   0.00326  -0.0581   0.4164   0.4281
   4.750   0.7571   0.01086   0.00345  -0.0563   0.4094   0.4347
   5.250   0.7980   0.01113   0.00379  -0.0533   0.3959   0.4497
   5.750   0.8411   0.01132   0.00413  -0.0508   0.3875   0.4687
   6.000   0.8608   0.01143   0.00432  -0.0492   0.3816   0.4882
   6.250   0.8785   0.01144   0.00453  -0.0472   0.3762   0.5461
   6.750   1.0739   0.01223   0.00601  -0.0797   0.2831   0.9977
   7.250   1.0924   0.01389   0.00709  -0.0733   0.1820   1.0000
   7.500   1.0962   0.01466   0.00766  -0.0689   0.1446   1.0000
   7.750   1.0995   0.01548   0.00827  -0.0645   0.1072   1.0000
   8.000   1.1024   0.01635   0.00895  -0.0602   0.0742   1.0000
   8.250   1.1031   0.01736   0.00977  -0.0556   0.0400   1.0000
   8.500   1.1122   0.01802   0.01039  -0.0525   0.0300   1.0000
   8.750   1.1223   0.01866   0.01102  -0.0496   0.0241   1.0000
   9.000   1.1330   0.01930   0.01166  -0.0469   0.0209   1.0000
   9.250   1.1449   0.01989   0.01229  -0.0445   0.0191   1.0000
   9.500   1.1560   0.02055   0.01299  -0.0420   0.0175   1.0000
   9.750   1.1663   0.02128   0.01376  -0.0396   0.0164   1.0000
  10.000   1.1758   0.02210   0.01461  -0.0371   0.0150   1.0000
  10.250   1.1864   0.02288   0.01545  -0.0349   0.0145   1.0000
  10.500   1.1963   0.02374   0.01637  -0.0327   0.0139   1.0000
  10.750   1.2058   0.02466   0.01735  -0.0306   0.0133   1.0000
  11.000   1.2140   0.02570   0.01845  -0.0285   0.0129   1.0000
  11.250   1.2215   0.02683   0.01962  -0.0264   0.0122   1.0000
  11.500   1.2274   0.02813   0.02099  -0.0243   0.0118   1.0000
  11.750   1.2309   0.02966   0.02260  -0.0222   0.0114   1.0000
  12.000   1.2394   0.03087   0.02387  -0.0206   0.0110   1.0000
  12.250   1.2456   0.03229   0.02536  -0.0189   0.0107   1.0000
  12.500   1.2504   0.03389   0.02705  -0.0173   0.0105   1.0000
  12.750   1.2556   0.03550   0.02872  -0.0159   0.0100   1.0000
  13.000   1.2597   0.03726   0.03056  -0.0145   0.0098   1.0000
  13.250   1.2639   0.03910   0.03246  -0.0133   0.0095   1.0000
  13.500   1.2669   0.04109   0.03454  -0.0122   0.0094   1.0000
  13.750   1.2676   0.04338   0.03692  -0.0112   0.0093   1.0000
  14.000   1.2687   0.04570   0.03931  -0.0103   0.0089   1.0000
  14.250   1.2674   0.04837   0.04205  -0.0095   0.0088   1.0000
  14.500   1.2660   0.05110   0.04487  -0.0089   0.0087   1.0000
  14.750   1.2621   0.05418   0.04803  -0.0084   0.0084   1.0000
  15.000   1.2623   0.05691   0.05086  -0.0080   0.0083   1.0000
  15.250   1.2605   0.05991   0.05395  -0.0078   0.0082   1.0000
  15.500   1.2627   0.06251   0.05665  -0.0077   0.0081   1.0000
  15.750   1.2610   0.06563   0.05986  -0.0077   0.0080   1.0000
  16.000   1.2617   0.06855   0.06287  -0.0078   0.0077   1.0000
  16.250   1.2581   0.07205   0.06647  -0.0080   0.0077   1.0000
  16.500   1.2568   0.07535   0.06987  -0.0084   0.0075   1.0000
  16.750   1.2542   0.07885   0.07347  -0.0089   0.0074   1.0000
  17.000   1.2515   0.08247   0.07717  -0.0095   0.0073   1.0000
  17.250   1.2491   0.08610   0.08089  -0.0103   0.0071   1.0000
  17.500   1.2448   0.08999   0.08488  -0.0110   0.0071   1.0000
  17.750   1.2434   0.09356   0.08853  -0.0120   0.0069   1.0000
  18.000   1.2390   0.09754   0.09260  -0.0129   0.0069   1.0000
  18.250   1.2356   0.10148   0.09662  -0.0141   0.0068   1.0000
  18.500   1.2314   0.10552   0.10076  -0.0152   0.0067   1.0000
  18.750   1.2284   0.10945   0.10476  -0.0165   0.0066   1.0000
  19.000   1.2229   0.11377   0.10916  -0.0179   0.0065   1.0000
  19.250   1.2181   0.11801   0.11349  -0.0194   0.0065   1.0000
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