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USA 28 AIRFOIL (usa28-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: USA 28 AIRFOIL (usa28-il)
Reynolds number: 500,000
Max Cl/Cd: 97.27 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-usa28-il-500000.txt
Download as CSV file: xf-usa28-il-500000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.250  -0.7934   0.06924   0.06618  -0.0689   1.0000   0.0220
 -14.000  -0.8216   0.06224   0.05905  -0.0729   1.0000   0.0220
 -13.750  -0.8463   0.05611   0.05280  -0.0763   1.0000   0.0220
 -13.500  -0.8648   0.05102   0.04763  -0.0789   1.0000   0.0222
 -13.250  -0.8857   0.04524   0.04170  -0.0828   1.0000   0.0221
 -13.000  -0.9040   0.03992   0.03624  -0.0873   1.0000   0.0223
 -12.750  -0.9219   0.03762   0.03383  -0.0849   1.0000   0.0224
 -12.500  -0.9380   0.03640   0.03257  -0.0802   1.0000   0.0226
 -12.250  -0.9485   0.03523   0.03134  -0.0757   1.0000   0.0228
 -12.000  -0.9545   0.03408   0.03012  -0.0718   1.0000   0.0231
 -11.750  -0.9345   0.03310   0.02906  -0.0725   0.9981   0.0238
 -11.500  -0.9063   0.03181   0.02762  -0.0748   0.9950   0.0248
 -11.250  -0.8806   0.03027   0.02586  -0.0765   0.9911   0.0257
 -11.000  -0.8512   0.02928   0.02463  -0.0783   0.9874   0.0264
 -10.750  -0.8297   0.02651   0.02173  -0.0798   0.9847   0.0276
 -10.500  -0.8043   0.02567   0.02085  -0.0803   0.9798   0.0285
 -10.250  -0.7757   0.02475   0.01983  -0.0814   0.9763   0.0295
 -10.000  -0.7441   0.02405   0.01901  -0.0830   0.9741   0.0308
  -9.750  -0.7199   0.02327   0.01808  -0.0828   0.9686   0.0317
  -9.500  -0.6954   0.02175   0.01638  -0.0831   0.9643   0.0328
  -9.250  -0.6670   0.02045   0.01504  -0.0842   0.9619   0.0340
  -9.000  -0.6449   0.01985   0.01442  -0.0834   0.9550   0.0352
  -8.750  -0.6155   0.01919   0.01367  -0.0841   0.9514   0.0365
  -8.500  -0.5840   0.01847   0.01286  -0.0852   0.9491   0.0378
  -8.250  -0.5611   0.01794   0.01224  -0.0843   0.9420   0.0387
  -8.000  -0.5346   0.01686   0.01106  -0.0844   0.9382   0.0399
  -7.750  -0.5063   0.01582   0.00997  -0.0849   0.9356   0.0415
  -7.500  -0.4823   0.01523   0.00934  -0.0843   0.9287   0.0427
  -7.250  -0.4508   0.01462   0.00868  -0.0852   0.9245   0.0443
  -7.000  -0.4142   0.01403   0.00801  -0.0871   0.9217   0.0461
  -6.750  -0.3827   0.01356   0.00747  -0.0879   0.9153   0.0472
  -6.500  -0.3472   0.01268   0.00650  -0.0898   0.9105   0.0496
  -6.250  -0.3037   0.01208   0.00587  -0.0934   0.9067   0.0527
  -6.000  -0.2670   0.01168   0.00539  -0.0954   0.8994   0.0555
  -5.750  -0.2244   0.01119   0.00482  -0.0988   0.8938   0.0595
  -5.500  -0.1886   0.01074   0.00433  -0.1007   0.8860   0.0660
  -5.250  -0.1543   0.01028   0.00383  -0.1022   0.8778   0.0785
  -5.000  -0.1268   0.00973   0.00356  -0.1024   0.8685   0.1397
  -4.750  -0.0930   0.00961   0.00340  -0.1037   0.8601   0.1603
  -4.500  -0.0676   0.00951   0.00327  -0.1032   0.8507   0.1709
  -4.000  -0.0132   0.00930   0.00299  -0.1028   0.8336   0.1884
  -3.750   0.0154   0.00923   0.00286  -0.1029   0.8254   0.1971
  -3.500   0.0386   0.00911   0.00275  -0.1018   0.8156   0.2062
  -3.250   0.0639   0.00900   0.00263  -0.1012   0.8065   0.2169
  -3.000   0.0886   0.00890   0.00252  -0.1004   0.7965   0.2304
  -2.750   0.1114   0.00876   0.00246  -0.0993   0.7867   0.2544
  -2.500   0.1366   0.00867   0.00243  -0.0987   0.7779   0.2888
  -2.250   0.1596   0.00865   0.00246  -0.0975   0.7680   0.3161
  -2.000   0.1846   0.00869   0.00248  -0.0967   0.7589   0.3339
  -1.750   0.2088   0.00872   0.00248  -0.0958   0.7492   0.3454
  -1.500   0.2330   0.00875   0.00247  -0.0949   0.7397   0.3540
  -1.250   0.2580   0.00880   0.00246  -0.0941   0.7308   0.3619
  -1.000   0.2815   0.00882   0.00244  -0.0930   0.7206   0.3685
  -0.750   0.3061   0.00884   0.00243  -0.0922   0.7120   0.3745
  -0.500   0.3307   0.00889   0.00243  -0.0914   0.7035   0.3806
  -0.250   0.3557   0.00890   0.00242  -0.0907   0.6960   0.3858
   0.000   0.3804   0.00893   0.00243  -0.0899   0.6884   0.3914
   0.250   0.4057   0.00900   0.00244  -0.0892   0.6814   0.3969
   0.500   0.4302   0.00899   0.00244  -0.0884   0.6737   0.4015
   0.750   0.4552   0.00903   0.00246  -0.0877   0.6665   0.4062
   1.000   0.4796   0.00907   0.00248  -0.0869   0.6588   0.4111
   1.250   0.5049   0.00912   0.00251  -0.0863   0.6520   0.4161
   1.500   0.5286   0.00913   0.00255  -0.0853   0.6444   0.4215
   1.750   0.5537   0.00921   0.00258  -0.0846   0.6370   0.4264
   2.000   0.5765   0.00922   0.00263  -0.0835   0.6285   0.4313
   2.250   0.6004   0.00927   0.00267  -0.0825   0.6203   0.4368
   2.500   0.6225   0.00929   0.00272  -0.0812   0.6107   0.4417
   2.750   0.6451   0.00934   0.00276  -0.0800   0.6014   0.4462
   3.000   0.6659   0.00936   0.00282  -0.0784   0.5902   0.4524
   3.250   0.6861   0.00939   0.00287  -0.0767   0.5773   0.4589
   3.500   0.7049   0.00941   0.00291  -0.0747   0.5624   0.4666
   3.750   0.7225   0.00945   0.00296  -0.0724   0.5447   0.4739
   4.000   0.7370   0.00950   0.00300  -0.0694   0.5241   0.4829
   4.250   0.7511   0.00959   0.00306  -0.0664   0.5026   0.4937
   4.500   0.7644   0.00969   0.00317  -0.0633   0.4841   0.5134
   4.750   0.7730   0.00953   0.00335  -0.0593   0.4698   0.6336
   5.000   0.9999   0.01028   0.00471  -0.1045   0.4387   1.0000
   5.250   1.0180   0.01053   0.00492  -0.1025   0.4277   1.0000
   5.500   1.0350   0.01083   0.00514  -0.1002   0.4171   1.0000
   5.750   1.0532   0.01102   0.00534  -0.0982   0.4059   1.0000
   6.000   1.0711   0.01123   0.00554  -0.0961   0.3955   1.0000
   6.250   1.0870   0.01149   0.00575  -0.0937   0.3852   1.0000
   6.500   1.1054   0.01161   0.00593  -0.0917   0.3758   1.0000
   6.750   1.1201   0.01179   0.00611  -0.0889   0.3655   1.0000
   7.000   1.1331   0.01198   0.00628  -0.0859   0.3509   1.0000
   7.250   1.1463   0.01219   0.00646  -0.0828   0.3311   1.0000
   7.500   1.1560   0.01252   0.00670  -0.0792   0.3018   1.0000
   7.750   1.1577   0.01318   0.00710  -0.0742   0.2539   1.0000
   8.000   1.1535   0.01420   0.00778  -0.0684   0.1972   1.0000
   8.250   1.1471   0.01544   0.00865  -0.0623   0.1373   1.0000
   8.500   1.1362   0.01697   0.00975  -0.0558   0.0712   1.0000
   8.750   1.1315   0.01830   0.01083  -0.0505   0.0374   1.0000
   9.000   1.1377   0.01915   0.01168  -0.0470   0.0312   1.0000
   9.250   1.1472   0.01987   0.01245  -0.0442   0.0287   1.0000
   9.500   1.1518   0.02089   0.01350  -0.0408   0.0262   1.0000
   9.750   1.1612   0.02169   0.01436  -0.0382   0.0249   1.0000
  10.000   1.1698   0.02256   0.01530  -0.0356   0.0240   1.0000
  10.250   1.1773   0.02355   0.01633  -0.0331   0.0227   1.0000
  10.500   1.1812   0.02481   0.01764  -0.0303   0.0218   1.0000
  10.750   1.1788   0.02655   0.01946  -0.0270   0.0209   1.0000
  11.000   1.1875   0.02764   0.02062  -0.0251   0.0204   1.0000
  11.250   1.1935   0.02897   0.02202  -0.0230   0.0199   1.0000
  11.500   1.1982   0.03043   0.02356  -0.0210   0.0191   1.0000
  11.750   1.2034   0.03192   0.02510  -0.0192   0.0186   1.0000
  12.000   1.2056   0.03371   0.02696  -0.0173   0.0183   1.0000
  12.250   1.2086   0.03549   0.02880  -0.0156   0.0179   1.0000
  12.500   1.2079   0.03766   0.03101  -0.0139   0.0174   1.0000
  12.750   1.2030   0.04027   0.03369  -0.0120   0.0170   1.0000
  13.000   1.2022   0.04258   0.03607  -0.0104   0.0167   1.0000
  13.250   1.2080   0.04437   0.03795  -0.0094   0.0165   1.0000
  13.500   1.2119   0.04637   0.04004  -0.0083   0.0163   1.0000
  13.750   1.2172   0.04830   0.04205  -0.0075   0.0159   1.0000
  14.000   1.2221   0.05030   0.04412  -0.0067   0.0155   1.0000
  14.250   1.2265   0.05237   0.04626  -0.0060   0.0150   1.0000
  14.500   1.2301   0.05455   0.04851  -0.0052   0.0147   1.0000
  14.750   1.2342   0.05669   0.05071  -0.0045   0.0146   1.0000
  15.000   1.2377   0.05892   0.05301  -0.0039   0.0143   1.0000
  15.250   1.2415   0.06114   0.05528  -0.0033   0.0141   1.0000
  15.500   1.2456   0.06317   0.05730  -0.0021   0.0135   1.0000
  15.750   1.2516   0.06514   0.05934  -0.0013   0.0135   1.0000
  16.000   1.2583   0.06704   0.06132   0.0003   0.0133   1.0000
  16.250   1.2567   0.07012   0.06456   0.0001   0.0131   1.0000
  16.500   1.2587   0.07277   0.06733   0.0005   0.0131   1.0000
  16.750   1.2566   0.07603   0.07075   0.0004   0.0129   1.0000
  17.000   1.2540   0.07943   0.07429   0.0000   0.0128   1.0000
  17.250   1.2518   0.08276   0.07776   0.0000   0.0128   1.0000
  17.500   1.2456   0.08682   0.08199  -0.0009   0.0126   1.0000
  17.750   1.2392   0.09098   0.08632  -0.0016   0.0126   1.0000
  18.000   1.2314   0.09551   0.09100  -0.0030   0.0124   1.0000
  18.250   1.2211   0.10046   0.09613  -0.0043   0.0124   1.0000
  18.500   1.2120   0.10539   0.10121  -0.0062   0.0124   1.0000
  18.750   1.2008   0.11085   0.10683  -0.0086   0.0121   1.0000
  19.000   1.1871   0.11677   0.11293  -0.0109   0.0123   1.0000
  19.250   1.1752   0.12271   0.11902  -0.0140   0.0119   1.0000
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