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NACA 66-021 AIRFOIL (n66021-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 66-021 AIRFOIL (n66021-il)
Reynolds number: 1,000,000
Max Cl/Cd: 78.24 at α=5.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-n66021-il-1000000.txt
Download as CSV file: xf-n66021-il-1000000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0038   0.07710   0.07253  -0.0791   0.8972   0.0153
 -19.500  -1.0030   0.07427   0.06956  -0.0798   0.8869   0.0154
 -19.250  -1.0016   0.07156   0.06673  -0.0803   0.8793   0.0155
 -19.000  -1.0009   0.06897   0.06402  -0.0804   0.8723   0.0156
 -18.750  -0.9986   0.06656   0.06151  -0.0806   0.8659   0.0157
 -18.500  -0.9967   0.06408   0.05895  -0.0808   0.8603   0.0159
 -18.250  -0.9926   0.06185   0.05664  -0.0809   0.8543   0.0160
 -18.000  -0.9883   0.05970   0.05440  -0.0810   0.8485   0.0162
 -17.750  -0.9826   0.05766   0.05229  -0.0811   0.8440   0.0162
 -17.500  -0.9767   0.05571   0.05027  -0.0811   0.8392   0.0163
 -17.250  -0.9714   0.05377   0.04824  -0.0809   0.8345   0.0164
 -17.000  -0.9643   0.05201   0.04641  -0.0808   0.8300   0.0166
 -16.750  -0.9560   0.05032   0.04467  -0.0807   0.8265   0.0167
 -16.500  -0.9477   0.04871   0.04300  -0.0804   0.8225   0.0170
 -16.250  -0.9382   0.04724   0.04146  -0.0802   0.8186   0.0172
 -16.000  -0.9323   0.04555   0.03969  -0.0796   0.8147   0.0172
 -15.750  -0.9236   0.04409   0.03815  -0.0791   0.8111   0.0172
 -15.500  -0.9141   0.04266   0.03668  -0.0787   0.8084   0.0175
 -15.250  -0.9039   0.04135   0.03531  -0.0782   0.8052   0.0177
 -15.000  -0.8927   0.04014   0.03404  -0.0777   0.8020   0.0179
 -14.750  -0.8827   0.03888   0.03270  -0.0771   0.7988   0.0181
 -14.500  -0.8721   0.03771   0.03146  -0.0764   0.7954   0.0181
 -14.250  -0.8605   0.03661   0.03030  -0.0758   0.7925   0.0183
 -14.000  -0.8509   0.03534   0.02899  -0.0749   0.7904   0.0186
 -13.750  -0.8416   0.03411   0.02771  -0.0740   0.7880   0.0188
 -13.500  -0.8329   0.03287   0.02644  -0.0730   0.7856   0.0192
 -13.250  -0.8220   0.03180   0.02533  -0.0721   0.7831   0.0194
 -13.000  -0.8079   0.03097   0.02446  -0.0714   0.7806   0.0199
 -12.750  -0.7940   0.03014   0.02359  -0.0707   0.7780   0.0202
 -12.500  -0.7797   0.02937   0.02276  -0.0699   0.7749   0.0208
 -12.250  -0.7656   0.02854   0.02190  -0.0692   0.7733   0.0212
 -12.000  -0.7492   0.02786   0.02120  -0.0686   0.7718   0.0217
 -11.750  -0.7375   0.02694   0.02024  -0.0675   0.7700   0.0225
 -11.500  -0.7234   0.02617   0.01946  -0.0666   0.7682   0.0231
 -11.250  -0.7080   0.02548   0.01875  -0.0658   0.7664   0.0241
 -11.000  -0.6918   0.02485   0.01810  -0.0651   0.7647   0.0249
 -10.750  -0.6749   0.02427   0.01748  -0.0643   0.7629   0.0258
 -10.500  -0.6613   0.02354   0.01674  -0.0632   0.7611   0.0272
 -10.250  -0.6451   0.02296   0.01614  -0.0624   0.7592   0.0284
 -10.000  -0.6280   0.02246   0.01559  -0.0616   0.7569   0.0298
  -9.750  -0.6133   0.02181   0.01494  -0.0606   0.7553   0.0318
  -9.500  -0.5963   0.02127   0.01441  -0.0598   0.7543   0.0339
  -9.250  -0.5800   0.02071   0.01386  -0.0588   0.7531   0.0365
  -9.000  -0.5636   0.02017   0.01333  -0.0579   0.7519   0.0400
  -8.750  -0.5486   0.01958   0.01277  -0.0567   0.7507   0.0458
  -8.500  -0.5356   0.01892   0.01220  -0.0553   0.7493   0.0591
  -8.250  -0.5257   0.01815   0.01156  -0.0534   0.7480   0.0824
  -8.000  -0.5176   0.01734   0.01090  -0.0512   0.7467   0.1112
  -7.750  -0.5142   0.01638   0.01016  -0.0483   0.7454   0.1541
  -7.500  -0.5115   0.01545   0.00944  -0.0453   0.7441   0.1950
  -7.250  -0.5088   0.01455   0.00872  -0.0421   0.7428   0.2363
  -7.000  -0.5089   0.01360   0.00796  -0.0385   0.7413   0.2773
  -6.750  -0.5097   0.01269   0.00721  -0.0346   0.7397   0.3173
  -6.500  -0.5179   0.01162   0.00636  -0.0294   0.7377   0.3649
  -6.250  -0.5221   0.01070   0.00560  -0.0246   0.7370   0.4022
  -6.000  -0.5404   0.00953   0.00467  -0.0172   0.7360   0.4537
  -5.750  -0.5525   0.00871   0.00400  -0.0104   0.7350   0.4905
  -5.500  -0.5761   0.00811   0.00359  -0.0008   0.7337   0.5328
  -5.250  -0.5887   0.00752   0.00333   0.0069   0.7326   0.6018
  -5.000  -0.5700   0.00747   0.00336   0.0084   0.7317   0.6381
  -4.750  -0.5446   0.00749   0.00335   0.0087   0.7310   0.6508
  -4.500  -0.5186   0.00754   0.00342   0.0088   0.7302   0.6607
  -4.250  -0.4930   0.00763   0.00347   0.0090   0.7293   0.6706
  -4.000  -0.4650   0.00774   0.00360   0.0088   0.7285   0.6777
  -3.750  -0.4382   0.00788   0.00369   0.0088   0.7277   0.6839
  -3.500  -0.4092   0.00796   0.00377   0.0083   0.7270   0.6893
  -3.250  -0.3792   0.00811   0.00394   0.0077   0.7264   0.6937
  -3.000  -0.3499   0.00825   0.00407   0.0072   0.7258   0.6978
  -2.750  -0.3215   0.00836   0.00413   0.0068   0.7251   0.7007
  -2.500  -0.2931   0.00844   0.00418   0.0064   0.7245   0.7027
  -2.250  -0.2634   0.00839   0.00414   0.0057   0.7239   0.7058
  -2.000  -0.2332   0.00846   0.00421   0.0049   0.7233   0.7076
  -1.750  -0.2033   0.00851   0.00426   0.0042   0.7226   0.7090
  -1.500  -0.1737   0.00858   0.00432   0.0035   0.7220   0.7105
  -1.250  -0.1442   0.00869   0.00443   0.0029   0.7212   0.7125
  -1.000  -0.1153   0.00883   0.00457   0.0023   0.7203   0.7145
  -0.750  -0.0865   0.00892   0.00466   0.0018   0.7197   0.7162
  -0.500  -0.0577   0.00893   0.00466   0.0012   0.7193   0.7173
  -0.250  -0.0288   0.00892   0.00465   0.0006   0.7188   0.7179
   0.000   0.0000   0.00892   0.00464   0.0000   0.7184   0.7184
   0.250   0.0289   0.00892   0.00465  -0.0006   0.7179   0.7188
   0.500   0.0577   0.00893   0.00466  -0.0012   0.7173   0.7193
   0.750   0.0865   0.00892   0.00466  -0.0018   0.7162   0.7197
   1.000   0.1153   0.00883   0.00457  -0.0023   0.7145   0.7203
   1.250   0.1442   0.00869   0.00443  -0.0029   0.7125   0.7212
   1.500   0.1737   0.00858   0.00432  -0.0035   0.7105   0.7219
   1.750   0.2033   0.00851   0.00426  -0.0042   0.7091   0.7226
   2.000   0.2332   0.00845   0.00421  -0.0049   0.7076   0.7233
   2.250   0.2634   0.00839   0.00414  -0.0057   0.7057   0.7239
   2.500   0.2931   0.00844   0.00418  -0.0064   0.7027   0.7245
   2.750   0.3215   0.00836   0.00413  -0.0068   0.7007   0.7251
   3.000   0.3499   0.00826   0.00407  -0.0072   0.6979   0.7258
   3.250   0.3792   0.00810   0.00392  -0.0077   0.6935   0.7264
   3.500   0.4093   0.00794   0.00375  -0.0083   0.6889   0.7270
   3.750   0.4383   0.00789   0.00369  -0.0088   0.6840   0.7277
   4.000   0.4650   0.00775   0.00360  -0.0088   0.6780   0.7285
   4.250   0.4930   0.00762   0.00346  -0.0090   0.6706   0.7293
   4.500   0.5188   0.00754   0.00342  -0.0088   0.6611   0.7302
   4.750   0.5446   0.00749   0.00335  -0.0087   0.6508   0.7310
   5.000   0.5698   0.00746   0.00335  -0.0084   0.6376   0.7317
   5.250   0.5884   0.00752   0.00333  -0.0068   0.6005   0.7326
   5.500   0.5759   0.00811   0.00359   0.0008   0.5326   0.7337
   5.750   0.5540   0.00868   0.00398   0.0101   0.4918   0.7349
   6.000   0.5362   0.00963   0.00474   0.0180   0.4488   0.7361
   6.250   0.5275   0.01055   0.00549   0.0238   0.4096   0.7370
   6.500   0.5169   0.01165   0.00638   0.0295   0.3636   0.7377
   6.750   0.5103   0.01267   0.00720   0.0345   0.3180   0.7397
   7.000   0.5074   0.01365   0.00799   0.0387   0.2745   0.7413
   7.250   0.5084   0.01457   0.00873   0.0422   0.2345   0.7428
   7.500   0.5116   0.01545   0.00943   0.0453   0.1946   0.7441
   7.750   0.5147   0.01637   0.01015   0.0483   0.1546   0.7454
   8.000   0.5193   0.01728   0.01086   0.0510   0.1139   0.7467
   8.250   0.5249   0.01819   0.01158   0.0535   0.0799   0.7480
   8.500   0.5357   0.01892   0.01219   0.0553   0.0585   0.7493
   8.750   0.5491   0.01956   0.01276   0.0567   0.0457   0.7506
   9.000   0.5640   0.02016   0.01332   0.0578   0.0397   0.7519
   9.250   0.5802   0.02071   0.01385   0.0588   0.0361   0.7531
   9.500   0.5968   0.02125   0.01439   0.0597   0.0335   0.7543
   9.750   0.6137   0.02180   0.01493   0.0605   0.0318   0.7553
  10.000   0.6289   0.02242   0.01555   0.0615   0.0297   0.7569
  10.250   0.6458   0.02294   0.01611   0.0623   0.0284   0.7592
  10.500   0.6617   0.02353   0.01672   0.0632   0.0271   0.7611
  10.750   0.6749   0.02428   0.01749   0.0644   0.0258   0.7629
  11.000   0.6930   0.02479   0.01803   0.0649   0.0246   0.7647
  11.250   0.7086   0.02545   0.01873   0.0657   0.0240   0.7665
  11.500   0.7243   0.02612   0.01941   0.0665   0.0233   0.7682
  11.750   0.7375   0.02695   0.02025   0.0675   0.0224   0.7700
  12.000   0.7509   0.02777   0.02110   0.0684   0.0216   0.7718
  12.250   0.7669   0.02848   0.02184   0.0690   0.0209   0.7734
  12.500   0.7802   0.02935   0.02274   0.0699   0.0208   0.7750
  12.750   0.7938   0.03016   0.02361   0.0707   0.0205   0.7780
  13.000   0.8084   0.03094   0.02444   0.0714   0.0200   0.7806
  13.250   0.8217   0.03184   0.02537   0.0721   0.0195   0.7831
  13.500   0.8324   0.03292   0.02648   0.0731   0.0191   0.7856
  13.750   0.8451   0.03389   0.02749   0.0737   0.0190   0.7881
  14.000   0.8506   0.03537   0.02902   0.0750   0.0186   0.7904
  14.250   0.8607   0.03660   0.03029   0.0757   0.0184   0.7925
  14.500   0.8729   0.03766   0.03142   0.0763   0.0182   0.7955
  14.750   0.8837   0.03882   0.03264   0.0770   0.0180   0.7989
  15.000   0.8949   0.03999   0.03388   0.0775   0.0179   0.8021
  15.250   0.9040   0.04134   0.03531   0.0782   0.0177   0.8053
  15.500   0.9152   0.04259   0.03661   0.0786   0.0175   0.8084
  15.750   0.9251   0.04398   0.03804   0.0790   0.0174   0.8112
  16.000   0.9322   0.04557   0.03970   0.0796   0.0173   0.8148
  16.250   0.9421   0.04693   0.04115   0.0799   0.0171   0.8189
  16.500   0.9496   0.04857   0.04285   0.0803   0.0168   0.8228
  16.750   0.9609   0.04993   0.04425   0.0803   0.0164   0.8268
  17.000   0.9650   0.05195   0.04635   0.0807   0.0166   0.8301
  17.250   0.9722   0.05369   0.04818   0.0809   0.0165   0.8348
  17.500   0.9786   0.05554   0.05009   0.0810   0.0163   0.8397
  17.750   0.9840   0.05752   0.05216   0.0811   0.0163   0.8444
  18.000   0.9896   0.05959   0.05428   0.0810   0.0161   0.8490
  18.250   0.9943   0.06168   0.05646   0.0809   0.0160   0.8547
  18.500   0.9991   0.06384   0.05870   0.0807   0.0159   0.8609
  18.750   0.9999   0.06642   0.06136   0.0806   0.0157   0.8664
  19.000   1.0016   0.06886   0.06391   0.0805   0.0155   0.8732
  19.250   1.0025   0.07151   0.06669   0.0802   0.0154   0.8805
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