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RAF 27 AIRFOIL (raf27-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: RAF 27 AIRFOIL (raf27-il)
Reynolds number: 1,000,000
Max Cl/Cd: 69.4 at α=6.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-raf27-il-1000000.txt
Download as CSV file: xf-raf27-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: RAF 27 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
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.9536   0.09287   0.09088  -0.0094   1.0000   0.0072
 -15.000  -1.0206   0.07466   0.07240  -0.0204   1.0000   0.0069
 -14.750  -1.0368   0.06719   0.06482  -0.0254   1.0000   0.0070
 -14.500  -1.0639   0.05821   0.05565  -0.0315   1.0000   0.0070
 -14.250  -1.0854   0.05105   0.04829  -0.0361   1.0000   0.0069
 -14.000  -1.0982   0.04594   0.04302  -0.0390   1.0000   0.0070
 -13.750  -1.1163   0.04079   0.03765  -0.0408   1.0000   0.0069
 -13.500  -1.1188   0.03804   0.03477  -0.0412   1.0000   0.0071
 -13.250  -1.1232   0.03539   0.03197  -0.0407   1.0000   0.0072
 -13.000  -1.1310   0.03272   0.02912  -0.0392   1.0000   0.0072
 -12.750  -1.1290   0.03119   0.02747  -0.0375   1.0000   0.0073
 -12.500  -1.1334   0.02923   0.02533  -0.0346   1.0000   0.0074
 -12.250  -1.1290   0.02814   0.02414  -0.0320   1.0000   0.0076
 -12.000  -1.1295   0.02678   0.02263  -0.0283   1.0000   0.0077
 -11.750  -1.1253   0.02546   0.02117  -0.0252   1.0000   0.0078
 -11.500  -1.1134   0.02459   0.02018  -0.0231   1.0000   0.0079
 -11.250  -1.0989   0.02388   0.01938  -0.0213   1.0000   0.0081
 -11.000  -1.0932   0.02215   0.01745  -0.0183   1.0000   0.0083
 -10.750  -1.0881   0.02033   0.01545  -0.0151   1.0000   0.0087
 -10.500  -1.0730   0.01952   0.01456  -0.0133   1.0000   0.0090
 -10.250  -1.0549   0.01898   0.01398  -0.0118   1.0000   0.0094
 -10.000  -1.0383   0.01825   0.01317  -0.0101   1.0000   0.0096
  -9.750  -1.0190   0.01778   0.01265  -0.0087   1.0000   0.0101
  -9.500  -1.0005   0.01722   0.01202  -0.0072   1.0000   0.0105
  -9.250  -0.9815   0.01670   0.01143  -0.0057   1.0000   0.0109
  -9.000  -0.9633   0.01608   0.01073  -0.0040   1.0000   0.0111
  -8.750  -0.9478   0.01520   0.00974  -0.0019   1.0000   0.0115
  -8.500  -0.9324   0.01432   0.00881   0.0003   1.0000   0.0124
  -8.250  -0.9126   0.01389   0.00834   0.0017   1.0000   0.0130
  -8.000  -0.8921   0.01352   0.00794   0.0030   1.0000   0.0137
  -7.750  -0.8719   0.01313   0.00752   0.0045   1.0000   0.0144
  -7.500  -0.8508   0.01284   0.00717   0.0058   1.0000   0.0150
  -7.250  -0.8335   0.01217   0.00645   0.0077   1.0000   0.0164
  -7.000  -0.8130   0.01183   0.00611   0.0091   1.0000   0.0176
  -6.750  -0.7919   0.01157   0.00583   0.0104   1.0000   0.0189
  -6.500  -0.7705   0.01135   0.00560   0.0117   1.0000   0.0199
  -6.250  -0.7521   0.01084   0.00502   0.0135   1.0000   0.0220
  -6.000  -0.7317   0.01056   0.00476   0.0149   1.0000   0.0241
  -5.750  -0.6996   0.01036   0.00454   0.0138   0.9988   0.0262
  -5.500  -0.6635   0.00996   0.00411   0.0118   0.9966   0.0297
  -5.250  -0.6265   0.00965   0.00380   0.0097   0.9946   0.0332
  -5.000  -0.5926   0.00943   0.00356   0.0083   0.9922   0.0356
  -4.750  -0.5602   0.00906   0.00322   0.0072   0.9894   0.0429
  -4.500  -0.5267   0.00870   0.00295   0.0058   0.9868   0.0597
  -4.250  -0.4928   0.00828   0.00269   0.0042   0.9846   0.0923
  -4.000  -0.4608   0.00776   0.00241   0.0030   0.9819   0.1448
  -3.750  -0.4322   0.00728   0.00219   0.0026   0.9768   0.2051
  -3.500  -0.3993   0.00689   0.00199   0.0013   0.9734   0.2534
  -3.250  -0.3646   0.00655   0.00182  -0.0003   0.9708   0.2971
  -3.000  -0.3355   0.00623   0.00166  -0.0007   0.9640   0.3422
  -2.750  -0.3018   0.00590   0.00151  -0.0020   0.9584   0.3922
  -2.500  -0.2701   0.00559   0.00139  -0.0030   0.9497   0.4458
  -2.250  -0.2361   0.00532   0.00127  -0.0044   0.9388   0.4950
  -2.000  -0.2037   0.00513   0.00115  -0.0053   0.9217   0.5292
  -1.750  -0.1757   0.00493   0.00106  -0.0052   0.9008   0.5763
  -1.500  -0.1501   0.00481   0.00101  -0.0046   0.8794   0.6180
  -1.250  -0.1249   0.00477   0.00096  -0.0039   0.8558   0.6467
  -1.000  -0.1002   0.00473   0.00093  -0.0030   0.8328   0.6728
  -0.750  -0.0757   0.00470   0.00091  -0.0021   0.8111   0.6990
  -0.500  -0.0505   0.00470   0.00089  -0.0014   0.7911   0.7193
  -0.250  -0.0252   0.00470   0.00088  -0.0007   0.7719   0.7364
   0.000   0.0000   0.00470   0.00087   0.0000   0.7533   0.7533
   0.250   0.0252   0.00470   0.00088   0.0007   0.7364   0.7721
   0.500   0.0505   0.00470   0.00089   0.0014   0.7196   0.7913
   0.750   0.0757   0.00470   0.00091   0.0021   0.7001   0.8107
   1.000   0.1001   0.00473   0.00093   0.0030   0.6730   0.8328
   1.750   0.1755   0.00494   0.00106   0.0053   0.5740   0.9010
   2.000   0.2036   0.00514   0.00115   0.0053   0.5282   0.9216
   2.250   0.2360   0.00532   0.00127   0.0044   0.4946   0.9387
   2.500   0.2702   0.00559   0.00139   0.0030   0.4466   0.9497
   2.750   0.3018   0.00590   0.00151   0.0020   0.3929   0.9584
   3.000   0.3355   0.00622   0.00166   0.0007   0.3430   0.9640
   3.250   0.3645   0.00655   0.00182   0.0003   0.2980   0.9708
   3.750   0.4321   0.00728   0.00219  -0.0026   0.2048   0.9767
   4.000   0.4610   0.00774   0.00241  -0.0031   0.1473   0.9818
   4.250   0.4925   0.00827   0.00269  -0.0042   0.0933   0.9846
   4.500   0.5265   0.00871   0.00295  -0.0058   0.0590   0.9867
   4.750   0.5601   0.00906   0.00322  -0.0072   0.0428   0.9893
   5.000   0.5925   0.00944   0.00357  -0.0083   0.0354   0.9922
   5.250   0.6264   0.00965   0.00380  -0.0097   0.0332   0.9945
   5.500   0.6632   0.00996   0.00411  -0.0118   0.0297   0.9966
   5.750   0.6994   0.01036   0.00454  -0.0137   0.0263   0.9988
   6.000   0.7320   0.01056   0.00475  -0.0149   0.0240   1.0000
   6.250   0.7523   0.01084   0.00503  -0.0135   0.0220   1.0000
   6.500   0.7708   0.01135   0.00559  -0.0117   0.0199   1.0000
   6.750   0.7921   0.01157   0.00584  -0.0104   0.0189   1.0000
   7.000   0.8131   0.01185   0.00613  -0.0091   0.0177   1.0000
   7.250   0.8338   0.01216   0.00644  -0.0078   0.0164   1.0000
   7.500   0.8506   0.01288   0.00723  -0.0057   0.0150   1.0000
   7.750   0.8719   0.01315   0.00754  -0.0045   0.0144   1.0000
   8.000   0.8920   0.01355   0.00798  -0.0030   0.0138   1.0000
   8.250   0.9125   0.01392   0.00837  -0.0017   0.0130   1.0000
   8.500   0.9327   0.01431   0.00878  -0.0003   0.0123   1.0000
   8.750   0.9485   0.01513   0.00967   0.0018   0.0116   1.0000
   9.000   0.9627   0.01616   0.01081   0.0041   0.0111   1.0000
   9.250   0.9823   0.01661   0.01134   0.0055   0.0108   1.0000
   9.500   1.0014   0.01713   0.01193   0.0070   0.0104   1.0000
   9.750   1.0195   0.01774   0.01261   0.0087   0.0100   1.0000
  10.000   1.0377   0.01831   0.01324   0.0102   0.0097   1.0000
  10.250   1.0566   0.01880   0.01377   0.0116   0.0093   1.0000
  10.500   1.0742   0.01939   0.01441   0.0131   0.0089   1.0000
  10.750   1.0878   0.02036   0.01547   0.0152   0.0086   1.0000
  11.000   1.0873   0.02279   0.01815   0.0191   0.0081   1.0000
  11.250   1.1005   0.02371   0.01919   0.0211   0.0080   1.0000
  11.500   1.1143   0.02448   0.02007   0.0230   0.0079   1.0000
  11.750   1.1250   0.02548   0.02119   0.0252   0.0077   1.0000
  12.000   1.1311   0.02664   0.02248   0.0281   0.0076   1.0000
  12.250   1.1324   0.02786   0.02383   0.0316   0.0074   1.0000
  12.500   1.1303   0.02949   0.02562   0.0349   0.0074   1.0000
  12.750   1.1303   0.03107   0.02735   0.0374   0.0073   1.0000
  13.000   1.1311   0.03273   0.02912   0.0392   0.0071   1.0000
  13.250   1.1235   0.03538   0.03196   0.0407   0.0071   1.0000
  13.500   1.1229   0.03761   0.03431   0.0411   0.0069   1.0000
  13.750   1.1124   0.04130   0.03820   0.0406   0.0069   1.0000
  14.000   1.0981   0.04601   0.04309   0.0389   0.0070   1.0000
  14.250   1.0859   0.05104   0.04829   0.0360   0.0069   1.0000
  14.500   1.0805   0.05563   0.05298   0.0329   0.0067   1.0000
  14.750   1.0414   0.06650   0.06411   0.0257   0.0070   1.0000
  15.000   1.0071   0.07755   0.07536   0.0184   0.0070   1.0000
  15.250   0.9798   0.08761   0.08554   0.0122   0.0070   1.0000
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