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RAF 31 AIRFOIL (raf31-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: RAF 31 AIRFOIL (raf31-il)
Reynolds number: 1,000,000
Max Cl/Cd: 83.33 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-raf31-il-1000000-n5.txt
Download as CSV file: xf-raf31-il-1000000-n5.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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.8783   0.13564   0.13343  -0.0229   1.0000   0.0112
 -19.000  -0.9377   0.11986   0.11748  -0.0315   1.0000   0.0112
 -18.750  -0.9867   0.10685   0.10433  -0.0386   1.0000   0.0111
 -18.500  -1.0322   0.09506   0.09238  -0.0451   1.0000   0.0111
 -18.250  -1.0760   0.08396   0.08112  -0.0514   1.0000   0.0109
 -18.000  -1.1113   0.07466   0.07167  -0.0567   1.0000   0.0109
 -17.750  -1.1425   0.06646   0.06332  -0.0614   1.0000   0.0109
 -17.500  -1.1674   0.05939   0.05611  -0.0654   1.0000   0.0109
 -17.250  -1.1861   0.05336   0.04995  -0.0689   1.0000   0.0110
 -17.000  -1.1994   0.04820   0.04466  -0.0718   1.0000   0.0112
 -16.750  -1.2104   0.04354   0.03988  -0.0744   1.0000   0.0112
 -16.500  -1.2169   0.03968   0.03590  -0.0764   1.0000   0.0113
 -16.250  -1.2201   0.03644   0.03256  -0.0779   1.0000   0.0116
 -16.000  -1.2190   0.03388   0.02993  -0.0788   1.0000   0.0120
 -15.750  -1.2169   0.03163   0.02761  -0.0792   1.0000   0.0123
 -15.500  -1.2101   0.03003   0.02597  -0.0792   1.0000   0.0129
 -15.250  -1.2083   0.02818   0.02404  -0.0788   1.0000   0.0130
 -15.000  -1.2037   0.02679   0.02258  -0.0779   1.0000   0.0133
 -14.750  -1.1974   0.02572   0.02145  -0.0766   1.0000   0.0139
 -14.500  -1.1942   0.02468   0.02033  -0.0745   1.0000   0.0141
 -14.250  -1.1923   0.02380   0.01937  -0.0715   1.0000   0.0144
 -14.000  -1.1905   0.02315   0.01864  -0.0680   1.0000   0.0146
 -13.750  -1.1870   0.02249   0.01794  -0.0645   1.0000   0.0149
 -13.500  -1.1750   0.02195   0.01738  -0.0624   1.0000   0.0153
 -13.250  -1.1615   0.02149   0.01690  -0.0604   1.0000   0.0156
 -13.000  -1.1340   0.02105   0.01644  -0.0611   0.9991   0.0162
 -12.750  -1.1050   0.02052   0.01587  -0.0622   0.9974   0.0166
 -12.500  -1.0763   0.02001   0.01531  -0.0632   0.9951   0.0171
 -12.250  -1.0494   0.01953   0.01479  -0.0638   0.9922   0.0177
 -12.000  -1.0229   0.01904   0.01424  -0.0642   0.9884   0.0181
 -11.750  -0.9949   0.01855   0.01369  -0.0649   0.9846   0.0184
 -11.250  -0.9488   0.01746   0.01247  -0.0643   0.9668   0.0189
 -11.000  -0.9194   0.01677   0.01173  -0.0654   0.9583   0.0194
 -10.750  -0.8839   0.01627   0.01122  -0.0676   0.9511   0.0199
 -10.500  -0.8438   0.01587   0.01079  -0.0707   0.9460   0.0204
 -10.250  -0.8027   0.01539   0.01026  -0.0741   0.9405   0.0210
 -10.000  -0.7621   0.01492   0.00972  -0.0773   0.9336   0.0215
  -9.750  -0.7251   0.01449   0.00922  -0.0798   0.9243   0.0221
  -9.500  -0.6935   0.01409   0.00872  -0.0810   0.9131   0.0225
  -9.250  -0.6667   0.01376   0.00829  -0.0811   0.9029   0.0228
  -9.000  -0.6422   0.01351   0.00797  -0.0807   0.8942   0.0231
  -8.750  -0.6183   0.01324   0.00763  -0.0801   0.8864   0.0233
  -8.500  -0.5949   0.01296   0.00730  -0.0794   0.8788   0.0235
  -8.250  -0.5714   0.01269   0.00695  -0.0787   0.8718   0.0236
  -8.000  -0.5503   0.01222   0.00641  -0.0776   0.8642   0.0240
  -7.750  -0.5285   0.01179   0.00590  -0.0766   0.8575   0.0245
  -7.500  -0.5054   0.01143   0.00551  -0.0758   0.8510   0.0249
  -7.250  -0.4818   0.01114   0.00516  -0.0750   0.8445   0.0253
  -7.000  -0.4576   0.01086   0.00484  -0.0744   0.8382   0.0256
  -6.750  -0.4334   0.01061   0.00454  -0.0737   0.8303   0.0259
  -6.500  -0.4089   0.01038   0.00426  -0.0731   0.8214   0.0263
  -6.250  -0.3845   0.01018   0.00401  -0.0724   0.8122   0.0267
  -6.000  -0.3597   0.00998   0.00375  -0.0718   0.8014   0.0271
  -5.750  -0.3349   0.00981   0.00352  -0.0712   0.7905   0.0275
  -5.500  -0.3101   0.00965   0.00330  -0.0705   0.7791   0.0279
  -5.250  -0.2851   0.00951   0.00310  -0.0699   0.7674   0.0285
  -5.000  -0.2596   0.00938   0.00292  -0.0694   0.7572   0.0289
  -4.750  -0.2342   0.00926   0.00274  -0.0689   0.7478   0.0293
  -4.500  -0.2084   0.00915   0.00258  -0.0685   0.7390   0.0296
  -4.250  -0.1827   0.00903   0.00242  -0.0680   0.7304   0.0301
  -4.000  -0.1571   0.00893   0.00227  -0.0675   0.7201   0.0311
  -3.750  -0.1311   0.00882   0.00213  -0.0670   0.7114   0.0324
  -3.250  -0.0790   0.00862   0.00188  -0.0662   0.6952   0.0365
  -3.000  -0.0544   0.00839   0.00175  -0.0656   0.6878   0.0637
  -2.750  -0.0282   0.00827   0.00166  -0.0652   0.6807   0.0758
  -2.500  -0.0021   0.00820   0.00158  -0.0648   0.6723   0.0827
  -2.250   0.0245   0.00812   0.00150  -0.0645   0.6649   0.0894
  -2.000   0.0504   0.00802   0.00143  -0.0641   0.6570   0.1026
  -1.750   0.0743   0.00769   0.00131  -0.0634   0.6498   0.1650
  -1.500   0.0996   0.00750   0.00124  -0.0629   0.6427   0.2045
  -1.250   0.1252   0.00736   0.00118  -0.0625   0.6358   0.2337
  -1.000   0.1507   0.00720   0.00113  -0.0620   0.6279   0.2728
  -0.750   0.1755   0.00702   0.00110  -0.0614   0.6204   0.3244
  -0.500   0.2014   0.00693   0.00109  -0.0610   0.6115   0.3553
  -0.250   0.2276   0.00688   0.00108  -0.0606   0.6020   0.3762
   0.000   0.2534   0.00687   0.00108  -0.0601   0.5891   0.3946
   0.250   0.2784   0.00682   0.00108  -0.0596   0.5747   0.4257
   0.500   0.3028   0.00675   0.00110  -0.0588   0.5574   0.4654
   0.750   0.3266   0.00676   0.00113  -0.0580   0.5328   0.5003
   1.250   0.3740   0.00692   0.00125  -0.0563   0.4805   0.5569
   1.500   0.3981   0.00699   0.00132  -0.0555   0.4616   0.5835
   1.750   0.4222   0.00709   0.00141  -0.0547   0.4429   0.6049
   2.000   0.4463   0.00716   0.00149  -0.0539   0.4282   0.6315
   2.250   0.4704   0.00719   0.00158  -0.0531   0.4170   0.6624
   2.500   0.4948   0.00725   0.00168  -0.0523   0.4057   0.6888
   2.750   0.5193   0.00731   0.00176  -0.0516   0.3922   0.7097
   3.000   0.5439   0.00739   0.00185  -0.0509   0.3779   0.7280
   3.250   0.5678   0.00750   0.00195  -0.0500   0.3590   0.7478
   3.500   0.5904   0.00768   0.00207  -0.0490   0.3265   0.7663
   3.750   0.6088   0.00808   0.00228  -0.0472   0.2742   0.7850
   4.000   0.6310   0.00824   0.00244  -0.0460   0.2603   0.8054
   4.250   0.6537   0.00835   0.00259  -0.0449   0.2506   0.8292
   4.500   0.6757   0.00846   0.00276  -0.0437   0.2382   0.8576
   4.750   0.7014   0.00851   0.00292  -0.0432   0.2254   0.8996
   5.000   0.7581   0.00916   0.00335  -0.0502   0.1599   0.9489
   5.250   0.8104   0.00977   0.00377  -0.0561   0.1217   0.9761
   5.500   0.8419   0.01013   0.00405  -0.0571   0.1055   0.9928
   5.750   0.8717   0.01048   0.00432  -0.0578   0.0923   1.0000
   6.000   0.8922   0.01071   0.00453  -0.0564   0.0856   1.0000
   6.250   0.9124   0.01097   0.00475  -0.0549   0.0780   1.0000
   6.500   0.9329   0.01121   0.00496  -0.0535   0.0729   1.0000
   6.750   0.9532   0.01147   0.00519  -0.0520   0.0677   1.0000
   7.000   0.9741   0.01169   0.00542  -0.0507   0.0644   1.0000
   7.250   0.9938   0.01198   0.00567  -0.0492   0.0592   1.0000
   7.500   1.0139   0.01224   0.00592  -0.0478   0.0557   1.0000
   7.750   1.0344   0.01248   0.00617  -0.0464   0.0532   1.0000
   8.000   1.0531   0.01280   0.00646  -0.0448   0.0484   1.0000
   8.250   1.0723   0.01308   0.00675  -0.0432   0.0454   1.0000
   8.500   1.0906   0.01341   0.00705  -0.0415   0.0403   1.0000
   8.750   1.1054   0.01381   0.00741  -0.0391   0.0331   1.0000
   9.000   1.1138   0.01444   0.00793  -0.0357   0.0197   1.0000
   9.250   1.1271   0.01491   0.00839  -0.0332   0.0161   1.0000
   9.500   1.1424   0.01533   0.00883  -0.0310   0.0147   1.0000
   9.750   1.1574   0.01578   0.00930  -0.0290   0.0134   1.0000
  10.000   1.1724   0.01627   0.00981  -0.0269   0.0123   1.0000
  10.250   1.1887   0.01671   0.01028  -0.0252   0.0118   1.0000
  10.500   1.2044   0.01719   0.01080  -0.0235   0.0112   1.0000
  10.750   1.2194   0.01774   0.01138  -0.0217   0.0107   1.0000
  11.000   1.2340   0.01833   0.01201  -0.0199   0.0102   1.0000
  11.250   1.2471   0.01904   0.01275  -0.0181   0.0096   1.0000
  11.500   1.2610   0.01972   0.01347  -0.0164   0.0093   1.0000
  11.750   1.2755   0.02038   0.01418  -0.0150   0.0090   1.0000
  12.000   1.2897   0.02109   0.01493  -0.0135   0.0087   1.0000
  12.250   1.3032   0.02185   0.01575  -0.0121   0.0084   1.0000
  12.500   1.3165   0.02266   0.01660  -0.0107   0.0081   1.0000
  12.750   1.3284   0.02359   0.01757  -0.0092   0.0078   1.0000
  13.000   1.3397   0.02458   0.01861  -0.0078   0.0075   1.0000
  13.250   1.3501   0.02566   0.01974  -0.0065   0.0073   1.0000
  13.500   1.3591   0.02689   0.02102  -0.0051   0.0071   1.0000
  13.750   1.3674   0.02820   0.02240  -0.0037   0.0069   1.0000
  14.000   1.3772   0.02943   0.02370  -0.0026   0.0068   1.0000
  14.250   1.3866   0.03071   0.02504  -0.0016   0.0067   1.0000
  14.500   1.3951   0.03211   0.02651  -0.0006   0.0066   1.0000
  14.750   1.4016   0.03373   0.02821   0.0004   0.0065   1.0000
  15.000   1.4087   0.03532   0.02987   0.0012   0.0063   1.0000
  15.250   1.4144   0.03708   0.03170   0.0019   0.0063   1.0000
  15.500   1.4199   0.03892   0.03361   0.0026   0.0061   1.0000
  15.750   1.4228   0.04106   0.03583   0.0032   0.0061   1.0000
  16.000   1.4258   0.04325   0.03811   0.0036   0.0059   1.0000
  16.250   1.4291   0.04548   0.04041   0.0039   0.0058   1.0000
  16.500   1.4295   0.04810   0.04312   0.0041   0.0057   1.0000
  16.750   1.4293   0.05086   0.04596   0.0041   0.0056   1.0000
  17.000   1.4279   0.05386   0.04904   0.0039   0.0055   1.0000
  17.250   1.4269   0.05692   0.05218   0.0035   0.0054   1.0000
  17.500   1.4208   0.06074   0.05611   0.0029   0.0053   1.0000
  17.750   1.4147   0.06465   0.06012   0.0020   0.0053   1.0000
  18.000   1.4017   0.06969   0.06528   0.0006   0.0051   1.0000
  18.250   1.3945   0.07408   0.06978  -0.0008   0.0052   1.0000
  18.500   1.3841   0.07900   0.07481  -0.0025   0.0051   1.0000
  18.750   1.3720   0.08431   0.08024  -0.0044   0.0050   1.0000
  19.000   1.3607   0.08955   0.08559  -0.0064   0.0050   1.0000
  19.250   1.3428   0.09595   0.09212  -0.0089   0.0050   1.0000
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