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RAF 31 AIRFOIL (raf31-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: RAF 31 AIRFOIL (raf31-il)
Reynolds number: 1,000,000
Max Cl/Cd: 106.31 at α=4.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-raf31-il-1000000.txt
Download as CSV file: xf-raf31-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: RAF 31 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -0.8513   0.11092   0.10873  -0.0361   1.0000   0.0158
 -17.250  -0.9059   0.09604   0.09363  -0.0447   1.0000   0.0158
 -17.000  -0.9326   0.08718   0.08466  -0.0499   1.0000   0.0159
 -16.750  -0.9651   0.07771   0.07503  -0.0556   1.0000   0.0159
 -16.500  -0.9854   0.07081   0.06801  -0.0598   1.0000   0.0159
 -16.250  -1.0010   0.06489   0.06199  -0.0634   1.0000   0.0160
 -16.000  -1.0133   0.05961   0.05661  -0.0666   1.0000   0.0161
 -15.750  -1.0223   0.05489   0.05180  -0.0695   1.0000   0.0162
 -15.500  -1.0257   0.05108   0.04793  -0.0719   1.0000   0.0163
 -15.250  -1.0311   0.04716   0.04390  -0.0742   1.0000   0.0164
 -15.000  -1.0332   0.04386   0.04052  -0.0761   1.0000   0.0166
 -14.750  -1.0327   0.04106   0.03765  -0.0775   1.0000   0.0167
 -14.500  -1.0348   0.03818   0.03467  -0.0787   1.0000   0.0169
 -14.250  -1.0340   0.03587   0.03227  -0.0793   1.0000   0.0171
 -14.000  -1.0292   0.03425   0.03059  -0.0794   1.0000   0.0174
 -13.750  -1.0295   0.03236   0.02859  -0.0790   1.0000   0.0176
 -13.500  -1.0264   0.03108   0.02725  -0.0779   1.0000   0.0179
 -13.250  -1.0321   0.02928   0.02532  -0.0756   1.0000   0.0180
 -13.000  -1.0308   0.02849   0.02446  -0.0728   1.0000   0.0182
 -12.750  -1.0317   0.02796   0.02386  -0.0690   1.0000   0.0185
 -12.500  -1.0301   0.02733   0.02314  -0.0653   1.0000   0.0187
 -12.250  -1.0223   0.02678   0.02251  -0.0626   1.0000   0.0189
 -12.000  -1.0139   0.02628   0.02193  -0.0599   1.0000   0.0191
 -11.750  -1.0187   0.02392   0.01943  -0.0560   0.9998   0.0196
 -11.500  -0.9899   0.02288   0.01836  -0.0576   0.9982   0.0200
 -11.250  -0.9587   0.02229   0.01775  -0.0593   0.9962   0.0205
 -11.000  -0.9275   0.02160   0.01700  -0.0610   0.9942   0.0210
 -10.750  -0.8987   0.02099   0.01633  -0.0620   0.9913   0.0215
 -10.500  -0.8690   0.02034   0.01561  -0.0631   0.9880   0.0221
 -10.250  -0.8384   0.01959   0.01479  -0.0644   0.9852   0.0226
 -10.000  -0.8077   0.01908   0.01420  -0.0656   0.9821   0.0230
  -9.750  -0.7802   0.01869   0.01373  -0.0659   0.9757   0.0233
  -9.500  -0.7544   0.01703   0.01197  -0.0667   0.9716   0.0241
  -9.250  -0.7307   0.01608   0.01100  -0.0665   0.9631   0.0246
  -9.000  -0.6983   0.01538   0.01027  -0.0680   0.9589   0.0252
  -8.750  -0.6649   0.01473   0.00959  -0.0697   0.9528   0.0257
  -8.500  -0.6262   0.01417   0.00898  -0.0725   0.9477   0.0264
  -8.250  -0.5872   0.01361   0.00836  -0.0753   0.9417   0.0272
  -8.000  -0.5512   0.01306   0.00774  -0.0774   0.9341   0.0276
  -7.750  -0.5178   0.01260   0.00722  -0.0789   0.9258   0.0281
  -7.500  -0.4877   0.01226   0.00679  -0.0796   0.9162   0.0284
  -7.250  -0.4628   0.01187   0.00632  -0.0792   0.9070   0.0288
  -7.000  -0.4409   0.01124   0.00558  -0.0783   0.8987   0.0296
  -6.750  -0.4190   0.01082   0.00512  -0.0772   0.8906   0.0301
  -6.500  -0.3948   0.01050   0.00472  -0.0766   0.8838   0.0308
  -6.250  -0.3713   0.01020   0.00439  -0.0757   0.8771   0.0314
  -6.000  -0.3467   0.00996   0.00409  -0.0751   0.8703   0.0321
  -5.750  -0.3221   0.00972   0.00381  -0.0744   0.8636   0.0328
  -5.500  -0.2973   0.00951   0.00355  -0.0738   0.8563   0.0336
  -5.250  -0.2720   0.00932   0.00332  -0.0732   0.8493   0.0343
  -5.000  -0.2468   0.00914   0.00310  -0.0726   0.8411   0.0347
  -4.750  -0.2221   0.00892   0.00283  -0.0719   0.8325   0.0364
  -4.500  -0.1970   0.00873   0.00261  -0.0713   0.8234   0.0385
  -4.250  -0.1718   0.00855   0.00241  -0.0707   0.8143   0.0414
  -4.000  -0.1481   0.00825   0.00222  -0.0698   0.8046   0.0689
  -3.750  -0.1227   0.00808   0.00208  -0.0693   0.7951   0.0841
  -3.500  -0.0974   0.00792   0.00194  -0.0688   0.7863   0.0982
  -3.250  -0.0727   0.00770   0.00179  -0.0681   0.7767   0.1229
  -3.000  -0.0495   0.00734   0.00164  -0.0673   0.7680   0.1829
  -2.750  -0.0250   0.00712   0.00152  -0.0666   0.7594   0.2215
  -2.500  -0.0007   0.00687   0.00142  -0.0659   0.7506   0.2697
  -2.250   0.0236   0.00669   0.00135  -0.0652   0.7414   0.3169
  -2.000   0.0494   0.00655   0.00130  -0.0648   0.7334   0.3511
  -1.750   0.0750   0.00645   0.00126  -0.0643   0.7263   0.3817
  -1.500   0.1014   0.00636   0.00123  -0.0639   0.7196   0.4068
  -1.250   0.1272   0.00626   0.00120  -0.0635   0.7127   0.4362
  -1.000   0.1530   0.00615   0.00118  -0.0630   0.7064   0.4682
  -0.750   0.1787   0.00605   0.00117  -0.0625   0.6993   0.5033
  -0.500   0.2043   0.00598   0.00117  -0.0620   0.6923   0.5356
  -0.250   0.2302   0.00590   0.00118  -0.0615   0.6849   0.5690
   0.000   0.2558   0.00587   0.00119  -0.0609   0.6776   0.5978
   0.250   0.2823   0.00582   0.00120  -0.0605   0.6703   0.6189
   0.500   0.3081   0.00580   0.00122  -0.0600   0.6630   0.6404
   0.750   0.3345   0.00577   0.00124  -0.0596   0.6556   0.6612
   1.250   0.3854   0.00572   0.00130  -0.0584   0.6377   0.7130
   1.500   0.4101   0.00570   0.00135  -0.0576   0.6284   0.7418
   1.750   0.4342   0.00570   0.00139  -0.0566   0.6141   0.7690
   2.000   0.4582   0.00572   0.00143  -0.0557   0.5961   0.7929
   2.250   0.4815   0.00577   0.00148  -0.0546   0.5728   0.8155
   2.500   0.5039   0.00585   0.00154  -0.0533   0.5441   0.8391
   2.750   0.5248   0.00600   0.00163  -0.0518   0.5065   0.8669
   3.000   0.5493   0.00617   0.00177  -0.0510   0.4727   0.9036
   3.500   0.6488   0.00668   0.00216  -0.0610   0.4272   0.9582
   3.750   0.6890   0.00687   0.00231  -0.0637   0.4136   0.9731
   4.000   0.7225   0.00705   0.00245  -0.0650   0.4001   0.9855
   4.250   0.7579   0.00725   0.00260  -0.0667   0.3834   0.9931
   4.500   0.7952   0.00748   0.00274  -0.0690   0.3561   0.9980
   4.750   0.8208   0.00806   0.00297  -0.0690   0.2858   1.0000
   5.000   0.8383   0.00841   0.00320  -0.0669   0.2635   1.0000
   5.250   0.8574   0.00869   0.00341  -0.0652   0.2469   1.0000
   5.500   0.8764   0.00898   0.00362  -0.0635   0.2259   1.0000
   5.750   0.8899   0.00958   0.00391  -0.0608   0.1667   1.0000
   6.000   0.9036   0.01017   0.00429  -0.0581   0.1285   1.0000
   6.250   0.9214   0.01055   0.00458  -0.0562   0.1106   1.0000
   6.500   0.9404   0.01088   0.00485  -0.0545   0.0995   1.0000
   6.750   0.9606   0.01114   0.00510  -0.0530   0.0918   1.0000
   7.000   0.9798   0.01147   0.00537  -0.0514   0.0838   1.0000
   7.250   1.0006   0.01170   0.00561  -0.0501   0.0800   1.0000
   7.500   1.0199   0.01201   0.00589  -0.0485   0.0747   1.0000
   7.750   1.0399   0.01227   0.00616  -0.0470   0.0708   1.0000
   8.000   1.0599   0.01253   0.00642  -0.0456   0.0669   1.0000
   8.250   1.0783   0.01287   0.00672  -0.0439   0.0623   1.0000
   8.500   1.0980   0.01313   0.00700  -0.0424   0.0594   1.0000
   8.750   1.1165   0.01342   0.00729  -0.0407   0.0561   1.0000
   9.000   1.1315   0.01377   0.00762  -0.0384   0.0515   1.0000
   9.250   1.1485   0.01405   0.00790  -0.0364   0.0474   1.0000
   9.500   1.1624   0.01448   0.00829  -0.0340   0.0390   1.0000
   9.750   1.1724   0.01515   0.00884  -0.0310   0.0261   1.0000
  10.000   1.1834   0.01582   0.00946  -0.0283   0.0206   1.0000
  10.250   1.1973   0.01638   0.01004  -0.0262   0.0186   1.0000
  10.500   1.2103   0.01701   0.01070  -0.0240   0.0173   1.0000
  10.750   1.2229   0.01770   0.01142  -0.0218   0.0161   1.0000
  11.000   1.2374   0.01829   0.01207  -0.0200   0.0155   1.0000
  11.250   1.2511   0.01897   0.01279  -0.0182   0.0150   1.0000
  11.500   1.2644   0.01968   0.01355  -0.0165   0.0145   1.0000
  11.750   1.2759   0.02054   0.01445  -0.0146   0.0139   1.0000
  12.000   1.2816   0.02183   0.01581  -0.0122   0.0130   1.0000
  12.250   1.2946   0.02265   0.01669  -0.0108   0.0128   1.0000
  12.500   1.3069   0.02354   0.01764  -0.0094   0.0125   1.0000
  12.750   1.3176   0.02458   0.01874  -0.0079   0.0122   1.0000
  13.000   1.3284   0.02564   0.01986  -0.0065   0.0118   1.0000
  13.250   1.3367   0.02691   0.02120  -0.0050   0.0116   1.0000
  13.500   1.3451   0.02821   0.02257  -0.0037   0.0114   1.0000
  13.750   1.3529   0.02961   0.02402  -0.0024   0.0111   1.0000
  14.000   1.3553   0.03149   0.02597  -0.0010   0.0107   1.0000
  14.250   1.3518   0.03397   0.02855   0.0005   0.0104   1.0000
  14.500   1.3505   0.03635   0.03103   0.0016   0.0103   1.0000
  14.750   1.3554   0.03825   0.03301   0.0023   0.0102   1.0000
  15.000   1.3653   0.03972   0.03455   0.0028   0.0100   1.0000
  15.250   1.3651   0.04220   0.03713   0.0034   0.0100   1.0000
  15.500   1.3654   0.04473   0.03975   0.0038   0.0099   1.0000
  15.750   1.3667   0.04727   0.04239   0.0040   0.0097   1.0000
  16.000   1.3666   0.05004   0.04525   0.0041   0.0096   1.0000
  16.250   1.3686   0.05264   0.04794   0.0040   0.0093   1.0000
  16.500   1.3637   0.05616   0.05156   0.0036   0.0093   1.0000
  16.750   1.3625   0.05936   0.05485   0.0031   0.0091   1.0000
  17.000   1.3588   0.06296   0.05854   0.0024   0.0090   1.0000
  17.250   1.3533   0.06690   0.06257   0.0015   0.0089   1.0000
  17.500   1.3456   0.07129   0.06707   0.0002   0.0089   1.0000
  17.750   1.3390   0.07564   0.07152  -0.0012   0.0088   1.0000
  18.000   1.3334   0.07994   0.07590  -0.0027   0.0086   1.0000
  18.250   1.3232   0.08496   0.08102  -0.0044   0.0086   1.0000
  18.500   1.3146   0.08984   0.08599  -0.0063   0.0085   1.0000
  18.750   1.3000   0.09570   0.09195  -0.0086   0.0084   1.0000
  19.000   1.2890   0.10107   0.09742  -0.0108   0.0084   1.0000
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