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NACA 66-021 AIRFOIL (n66021-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-021 AIRFOIL (n66021-il)
Reynolds number: 1,000,000
Max Cl/Cd: 64.89 at α=4°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-n66021-il-1000000-n5.txt
Download as CSV file: xf-n66021-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-021 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
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -1.0637   0.06950   0.06423  -0.0757   0.8242   0.0120
 -19.250  -1.0617   0.06681   0.06145  -0.0763   0.8201   0.0121
 -19.000  -1.0581   0.06440   0.05894  -0.0768   0.8160   0.0122
 -18.750  -1.0564   0.06183   0.05628  -0.0771   0.8121   0.0122
 -18.500  -1.0531   0.05944   0.05381  -0.0774   0.8090   0.0123
 -18.250  -1.0468   0.05743   0.05173  -0.0775   0.8053   0.0123
 -18.000  -1.0408   0.05545   0.04966  -0.0776   0.8015   0.0124
 -17.750  -1.0362   0.05338   0.04751  -0.0775   0.7975   0.0124
 -17.250  -1.0226   0.04977   0.04375  -0.0773   0.7911   0.0126
 -17.000  -1.0141   0.04817   0.04208  -0.0771   0.7881   0.0126
 -16.750  -1.0050   0.04665   0.04049  -0.0768   0.7851   0.0127
 -16.500  -0.9998   0.04485   0.03863  -0.0763   0.7820   0.0130
 -16.250  -0.9894   0.04353   0.03725  -0.0760   0.7789   0.0130
 -16.000  -0.9827   0.04194   0.03559  -0.0754   0.7760   0.0131
 -15.750  -0.9718   0.04069   0.03428  -0.0749   0.7735   0.0132
 -15.500  -0.9619   0.03938   0.03294  -0.0744   0.7714   0.0134
 -15.250  -0.9507   0.03820   0.03173  -0.0739   0.7690   0.0137
 -15.000  -0.9379   0.03716   0.03064  -0.0734   0.7664   0.0139
 -14.750  -0.9257   0.03610   0.02955  -0.0728   0.7639   0.0141
 -14.500  -0.9135   0.03506   0.02844  -0.0722   0.7615   0.0140
 -14.250  -0.9004   0.03411   0.02744  -0.0716   0.7591   0.0142
 -14.000  -0.8865   0.03322   0.02651  -0.0710   0.7566   0.0147
 -13.750  -0.8728   0.03232   0.02557  -0.0704   0.7548   0.0149
 -13.500  -0.8586   0.03145   0.02467  -0.0698   0.7532   0.0151
 -13.250  -0.8439   0.03064   0.02382  -0.0692   0.7514   0.0152
 -13.000  -0.8287   0.02987   0.02302  -0.0686   0.7495   0.0156
 -12.750  -0.8143   0.02907   0.02220  -0.0679   0.7475   0.0159
 -12.500  -0.7998   0.02828   0.02139  -0.0672   0.7456   0.0164
 -12.250  -0.7841   0.02759   0.02066  -0.0665   0.7436   0.0168
 -12.000  -0.7677   0.02695   0.02000  -0.0659   0.7418   0.0173
 -11.750  -0.7515   0.02632   0.01934  -0.0652   0.7399   0.0180
 -11.250  -0.7192   0.02504   0.01801  -0.0638   0.7369   0.0192
 -11.000  -0.7023   0.02444   0.01741  -0.0632   0.7357   0.0199
 -10.750  -0.6850   0.02387   0.01683  -0.0625   0.7345   0.0207
 -10.500  -0.6672   0.02334   0.01629  -0.0619   0.7331   0.0215
 -10.250  -0.6499   0.02280   0.01573  -0.0612   0.7317   0.0224
 -10.000  -0.6334   0.02222   0.01516  -0.0604   0.7304   0.0236
  -9.750  -0.6156   0.02172   0.01464  -0.0597   0.7290   0.0246
  -9.500  -0.5972   0.02126   0.01416  -0.0591   0.7276   0.0258
  -9.250  -0.5799   0.02075   0.01365  -0.0583   0.7262   0.0272
  -9.000  -0.5622   0.02027   0.01317  -0.0575   0.7248   0.0289
  -8.750  -0.5447   0.01981   0.01269  -0.0567   0.7234   0.0307
  -8.500  -0.5270   0.01935   0.01223  -0.0558   0.7219   0.0327
  -8.250  -0.5095   0.01890   0.01178  -0.0549   0.7205   0.0365
  -8.000  -0.4915   0.01846   0.01136  -0.0541   0.7195   0.0402
  -7.750  -0.4759   0.01792   0.01088  -0.0530   0.7187   0.0493
  -7.500  -0.4617   0.01735   0.01037  -0.0516   0.7179   0.0631
  -7.250  -0.4482   0.01676   0.00988  -0.0501   0.7170   0.0813
  -7.000  -0.4371   0.01610   0.00934  -0.0482   0.7161   0.1057
  -6.750  -0.4268   0.01542   0.00879  -0.0462   0.7151   0.1318
  -6.500  -0.4217   0.01458   0.00816  -0.0434   0.7140   0.1734
  -6.250  -0.4096   0.01401   0.00767  -0.0415   0.7130   0.1942
  -6.000  -0.4122   0.01297   0.00689  -0.0374   0.7119   0.2481
  -5.750  -0.4064   0.01225   0.00630  -0.0344   0.7108   0.2795
  -5.500  -0.4055   0.01142   0.00563  -0.0306   0.7097   0.3180
  -5.250  -0.4094   0.01051   0.00490  -0.0258   0.7086   0.3618
  -5.000  -0.4217   0.00949   0.00409  -0.0194   0.7073   0.4123
  -4.750  -0.4375   0.00858   0.00337  -0.0119   0.7060   0.4589
  -4.500  -0.4565   0.00801   0.00297  -0.0032   0.7047   0.5030
  -4.250  -0.4645   0.00737   0.00259   0.0035   0.7034   0.5629
  -4.000  -0.4566   0.00704   0.00252   0.0071   0.7024   0.6297
  -3.750  -0.4312   0.00703   0.00253   0.0074   0.7019   0.6469
  -3.500  -0.4043   0.00704   0.00254   0.0073   0.7015   0.6565
  -3.250  -0.3767   0.00706   0.00255   0.0070   0.7010   0.6637
  -3.000  -0.3489   0.00708   0.00253   0.0067   0.7005   0.6687
  -2.750  -0.3203   0.00708   0.00255   0.0063   0.6999   0.6728
  -2.500  -0.2916   0.00710   0.00257   0.0059   0.6993   0.6764
  -2.250  -0.2629   0.00712   0.00258   0.0054   0.6986   0.6797
  -2.000  -0.2341   0.00714   0.00257   0.0049   0.6979   0.6821
  -1.750  -0.2054   0.00716   0.00256   0.0044   0.6973   0.6841
  -1.500  -0.1764   0.00716   0.00255   0.0039   0.6967   0.6867
  -1.250  -0.1471   0.00716   0.00257   0.0032   0.6961   0.6892
  -1.000  -0.1177   0.00716   0.00258   0.0026   0.6955   0.6907
  -0.750  -0.0883   0.00716   0.00257   0.0020   0.6949   0.6914
  -0.500  -0.0589   0.00715   0.00256   0.0013   0.6943   0.6919
  -0.250  -0.0294   0.00715   0.00255   0.0007   0.6937   0.6925
   0.000   0.0000   0.00714   0.00255   0.0000   0.6931   0.6931
   0.250   0.0294   0.00715   0.00255  -0.0007   0.6925   0.6937
   0.500   0.0589   0.00715   0.00256  -0.0013   0.6919   0.6943
   0.750   0.0883   0.00716   0.00257  -0.0020   0.6914   0.6949
   1.000   0.1177   0.00716   0.00258  -0.0026   0.6906   0.6955
   1.250   0.1471   0.00716   0.00257  -0.0032   0.6892   0.6961
   1.500   0.1764   0.00716   0.00255  -0.0039   0.6867   0.6966
   1.750   0.2054   0.00716   0.00256  -0.0044   0.6842   0.6972
   2.000   0.2341   0.00714   0.00257  -0.0049   0.6821   0.6978
   2.250   0.2629   0.00712   0.00257  -0.0054   0.6797   0.6986
   2.500   0.2916   0.00710   0.00257  -0.0059   0.6764   0.6993
   2.750   0.3203   0.00708   0.00255  -0.0063   0.6728   0.6999
   3.000   0.3489   0.00708   0.00253  -0.0067   0.6689   0.7005
   3.250   0.3766   0.00705   0.00254  -0.0070   0.6634   0.7010
   3.500   0.4041   0.00703   0.00253  -0.0072   0.6557   0.7015
   3.750   0.4313   0.00703   0.00253  -0.0074   0.6473   0.7019
   4.000   0.4568   0.00704   0.00253  -0.0072   0.6312   0.7024
   4.250   0.4659   0.00734   0.00258  -0.0037   0.5659   0.7034
   4.500   0.4547   0.00804   0.00299   0.0035   0.5001   0.7047
   4.750   0.4350   0.00862   0.00340   0.0124   0.4561   0.7061
   5.000   0.4216   0.00949   0.00409   0.0194   0.4120   0.7073
   5.250   0.4092   0.01052   0.00490   0.0259   0.3613   0.7085
   5.500   0.4068   0.01138   0.00560   0.0304   0.3203   0.7097
   5.750   0.4080   0.01221   0.00627   0.0342   0.2825   0.7108
   6.000   0.4091   0.01308   0.00696   0.0379   0.2412   0.7119
   6.250   0.4164   0.01378   0.00752   0.0405   0.2091   0.7129
   6.500   0.4219   0.01458   0.00815   0.0433   0.1736   0.7140
   6.750   0.4257   0.01546   0.00882   0.0463   0.1287   0.7151
   7.000   0.4337   0.01623   0.00942   0.0487   0.0965   0.7161
   7.250   0.4473   0.01680   0.00990   0.0502   0.0785   0.7170
   7.500   0.4624   0.01732   0.01036   0.0515   0.0642   0.7179
   7.750   0.4765   0.01790   0.01086   0.0529   0.0499   0.7188
   8.000   0.4925   0.01842   0.01133   0.0540   0.0413   0.7195
   8.250   0.5092   0.01892   0.01179   0.0550   0.0352   0.7205
   8.500   0.5274   0.01934   0.01222   0.0558   0.0328   0.7219
   8.750   0.5448   0.01980   0.01268   0.0566   0.0304   0.7233
   9.000   0.5625   0.02026   0.01316   0.0574   0.0286   0.7249
   9.250   0.5801   0.02075   0.01365   0.0582   0.0270   0.7262
   9.500   0.5977   0.02124   0.01414   0.0590   0.0255   0.7276
   9.750   0.6161   0.02170   0.01462   0.0597   0.0246   0.7290
  10.000   0.6338   0.02221   0.01514   0.0604   0.0233   0.7303
  10.250   0.6506   0.02277   0.01570   0.0611   0.0223   0.7317
  10.500   0.6677   0.02332   0.01627   0.0618   0.0215   0.7331
  10.750   0.6854   0.02386   0.01682   0.0625   0.0208   0.7345
  11.000   0.7028   0.02442   0.01738   0.0631   0.0196   0.7357
  11.250   0.7197   0.02501   0.01798   0.0637   0.0190   0.7369
  11.750   0.7523   0.02628   0.01929   0.0651   0.0178   0.7399
  12.000   0.7686   0.02691   0.01996   0.0658   0.0172   0.7418
  12.250   0.7846   0.02757   0.02064   0.0665   0.0165   0.7437
  12.500   0.8003   0.02826   0.02136   0.0671   0.0164   0.7455
  12.750   0.8154   0.02901   0.02214   0.0678   0.0162   0.7475
  13.000   0.8300   0.02980   0.02295   0.0685   0.0157   0.7495
  13.250   0.8441   0.03064   0.02382   0.0692   0.0153   0.7513
  13.500   0.8594   0.03142   0.02463   0.0697   0.0150   0.7532
  13.750   0.8738   0.03226   0.02551   0.0703   0.0149   0.7548
  14.000   0.8877   0.03315   0.02644   0.0709   0.0147   0.7566
  14.250   0.9012   0.03406   0.02740   0.0715   0.0145   0.7591
  14.500   0.9145   0.03500   0.02838   0.0721   0.0141   0.7615
  14.750   0.9265   0.03605   0.02949   0.0728   0.0139   0.7640
  15.000   0.9390   0.03709   0.03057   0.0733   0.0138   0.7665
  15.250   0.9510   0.03819   0.03170   0.0738   0.0135   0.7690
  15.500   0.9627   0.03933   0.03290   0.0743   0.0134   0.7714
  15.750   0.9740   0.04053   0.03414   0.0748   0.0134   0.7736
  16.000   0.9832   0.04190   0.03556   0.0753   0.0132   0.7761
  16.250   0.9936   0.04320   0.03691   0.0757   0.0131   0.7791
  16.500   0.9976   0.04504   0.03882   0.0764   0.0127   0.7822
  16.750   1.0092   0.04630   0.04014   0.0766   0.0126   0.7853
  17.000   1.0143   0.04816   0.04207   0.0770   0.0126   0.7882
  17.250   1.0225   0.04979   0.04377   0.0772   0.0126   0.7912
  17.750   1.0362   0.05339   0.04751   0.0775   0.0125   0.7977
  18.000   1.0429   0.05527   0.04948   0.0776   0.0124   0.8018
  18.250   1.0489   0.05724   0.05153   0.0775   0.0123   0.8053
  18.500   1.0515   0.05961   0.05398   0.0773   0.0123   0.8091
  19.000   1.0619   0.06400   0.05854   0.0767   0.0121   0.8165
  19.250   1.0638   0.06660   0.06124   0.0763   0.0121   0.8206
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