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NACA 66(3)-218 (naca663218-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 66(3)-218 (naca663218-il)
Reynolds number: 1,000,000
Max Cl/Cd: 99.15 at α=4.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca663218-il-1000000.txt
Download as CSV file: xf-naca663218-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66(3)-218                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.7566   0.11517   0.11304  -0.0616   1.0000   0.0155
 -18.750  -0.8190   0.09862   0.09621  -0.0711   1.0000   0.0153
 -18.500  -0.8603   0.08753   0.08489  -0.0772   1.0000   0.0152
 -18.250  -0.8942   0.07855   0.07568  -0.0816   1.0000   0.0152
 -18.000  -0.9048   0.07358   0.07059  -0.0841   1.0000   0.0153
 -17.750  -0.9282   0.06757   0.06441  -0.0853   0.9916   0.0153
 -17.500  -0.9317   0.06188   0.05851  -0.0903   0.9735   0.0154
 -17.250  -0.9300   0.05676   0.05318  -0.0952   0.9662   0.0155
 -17.000  -0.9214   0.05255   0.04877  -0.0999   0.9589   0.0157
 -16.750  -0.9114   0.04890   0.04491  -0.1039   0.9490   0.0158
 -16.500  -0.9040   0.04599   0.04179  -0.1060   0.9341   0.0158
 -16.250  -0.9011   0.04392   0.03952  -0.1060   0.9183   0.0160
 -16.000  -0.8996   0.04192   0.03736  -0.1052   0.9063   0.0160
 -15.750  -0.8966   0.04034   0.03563  -0.1043   0.8958   0.0162
 -15.500  -0.8928   0.03862   0.03376  -0.1034   0.8873   0.0162
 -15.250  -0.8902   0.03674   0.03170  -0.1022   0.8799   0.0164
 -15.000  -0.8831   0.03506   0.02990  -0.1012   0.8738   0.0165
 -14.750  -0.8751   0.03359   0.02834  -0.1002   0.8677   0.0168
 -14.500  -0.8651   0.03240   0.02706  -0.0992   0.8622   0.0169
 -14.250  -0.8544   0.03140   0.02602  -0.0984   0.8570   0.0172
 -14.000  -0.8431   0.03043   0.02498  -0.0975   0.8518   0.0174
 -13.750  -0.8312   0.02954   0.02400  -0.0965   0.8467   0.0176
 -13.500  -0.8187   0.02863   0.02305  -0.0957   0.8428   0.0178
 -13.250  -0.8053   0.02771   0.02205  -0.0948   0.8387   0.0179
 -13.000  -0.7917   0.02688   0.02114  -0.0938   0.8344   0.0181
 -12.750  -0.7779   0.02613   0.02031  -0.0928   0.8299   0.0185
 -12.500  -0.7634   0.02530   0.01942  -0.0919   0.8267   0.0185
 -12.250  -0.7483   0.02458   0.01865  -0.0910   0.8231   0.0189
 -12.000  -0.7331   0.02387   0.01788  -0.0901   0.8195   0.0191
 -11.750  -0.7178   0.02321   0.01714  -0.0891   0.8159   0.0193
 -11.500  -0.7015   0.02265   0.01651  -0.0882   0.8122   0.0196
 -11.250  -0.6867   0.02189   0.01570  -0.0871   0.8097   0.0198
 -11.000  -0.6748   0.02099   0.01476  -0.0856   0.8068   0.0201
 -10.750  -0.6625   0.02018   0.01393  -0.0842   0.8038   0.0207
 -10.500  -0.6467   0.01961   0.01333  -0.0831   0.8009   0.0210
 -10.250  -0.6309   0.01907   0.01274  -0.0820   0.7979   0.0214
 -10.000  -0.6129   0.01865   0.01228  -0.0811   0.7950   0.0219
  -9.750  -0.5966   0.01810   0.01172  -0.0800   0.7929   0.0223
  -9.500  -0.5785   0.01766   0.01125  -0.0791   0.7907   0.0229
  -9.250  -0.5616   0.01717   0.01073  -0.0780   0.7883   0.0232
  -9.000  -0.5431   0.01677   0.01029  -0.0771   0.7860   0.0235
  -8.750  -0.5323   0.01602   0.00949  -0.0751   0.7836   0.0243
  -8.500  -0.5160   0.01555   0.00900  -0.0738   0.7812   0.0251
  -8.250  -0.4982   0.01518   0.00860  -0.0728   0.7785   0.0258
  -8.000  -0.4796   0.01480   0.00821  -0.0718   0.7770   0.0268
  -7.750  -0.4604   0.01447   0.00786  -0.0709   0.7753   0.0277
  -7.500  -0.4439   0.01401   0.00739  -0.0695   0.7735   0.0287
  -7.250  -0.4271   0.01358   0.00696  -0.0681   0.7716   0.0303
  -7.000  -0.4083   0.01326   0.00662  -0.0671   0.7697   0.0316
  -6.750  -0.3886   0.01298   0.00632  -0.0661   0.7679   0.0331
  -6.500  -0.3724   0.01257   0.00591  -0.0646   0.7660   0.0362
  -6.250  -0.3534   0.01229   0.00561  -0.0635   0.7641   0.0388
  -6.000  -0.3363   0.01197   0.00530  -0.0620   0.7620   0.0435
  -5.750  -0.3201   0.01160   0.00498  -0.0604   0.7608   0.0525
  -5.500  -0.3087   0.01109   0.00461  -0.0580   0.7595   0.0774
  -5.250  -0.3049   0.01047   0.00420  -0.0541   0.7578   0.1233
  -5.000  -0.3056   0.00996   0.00393  -0.0492   0.7561   0.1769
  -4.750  -0.3011   0.00933   0.00360  -0.0453   0.7544   0.2483
  -4.500  -0.2952   0.00863   0.00326  -0.0418   0.7529   0.3339
  -4.250  -0.2880   0.00784   0.00288  -0.0385   0.7514   0.4339
  -4.000  -0.2789   0.00700   0.00247  -0.0355   0.7500   0.5429
  -3.750  -0.2613   0.00658   0.00240  -0.0338   0.7488   0.6401
  -3.500  -0.2336   0.00659   0.00243  -0.0340   0.7477   0.6610
  -3.250  -0.2050   0.00664   0.00245  -0.0344   0.7464   0.6729
  -3.000  -0.1764   0.00675   0.00253  -0.0348   0.7451   0.6840
  -2.750  -0.1481   0.00684   0.00266  -0.0350   0.7444   0.6964
  -2.500  -0.1195   0.00692   0.00272  -0.0353   0.7436   0.7046
  -2.250  -0.0904   0.00702   0.00286  -0.0356   0.7427   0.7112
  -2.000  -0.0615   0.00715   0.00296  -0.0360   0.7418   0.7170
  -1.750  -0.0325   0.00718   0.00300  -0.0365   0.7409   0.7216
  -1.500  -0.0031   0.00725   0.00309  -0.0369   0.7400   0.7250
  -1.250   0.0264   0.00729   0.00314  -0.0375   0.7391   0.7274
  -1.000   0.0557   0.00734   0.00317  -0.0381   0.7382   0.7297
  -0.750   0.0851   0.00740   0.00322  -0.0386   0.7373   0.7323
  -0.500   0.1144   0.00746   0.00327  -0.0392   0.7364   0.7344
  -0.250   0.1437   0.00747   0.00326  -0.0398   0.7356   0.7356
   0.000   0.1731   0.00742   0.00321  -0.0404   0.7346   0.7368
   0.250   0.2026   0.00740   0.00318  -0.0410   0.7336   0.7377
   0.500   0.2322   0.00739   0.00318  -0.0416   0.7324   0.7387
   0.750   0.2617   0.00740   0.00319  -0.0422   0.7306   0.7397
   1.000   0.2908   0.00744   0.00323  -0.0428   0.7281   0.7405
   1.250   0.3195   0.00739   0.00320  -0.0432   0.7262   0.7414
   1.500   0.3484   0.00738   0.00321  -0.0437   0.7244   0.7422
   1.750   0.3774   0.00736   0.00321  -0.0442   0.7226   0.7431
   2.000   0.4067   0.00732   0.00318  -0.0447   0.7199   0.7440
   2.250   0.4362   0.00726   0.00312  -0.0453   0.7169   0.7450
   2.500   0.4658   0.00727   0.00310  -0.0458   0.7133   0.7459
   2.750   0.4937   0.00723   0.00310  -0.0461   0.7099   0.7469
   3.000   0.5217   0.00716   0.00306  -0.0463   0.7056   0.7479
   3.250   0.5502   0.00708   0.00298  -0.0466   0.7005   0.7489
   3.500   0.5781   0.00705   0.00294  -0.0468   0.6942   0.7499
   3.750   0.6041   0.00694   0.00284  -0.0465   0.6837   0.7509
   4.000   0.6297   0.00690   0.00280  -0.0463   0.6712   0.7518
   4.250   0.6556   0.00688   0.00278  -0.0461   0.6597   0.7529
   4.500   0.6804   0.00687   0.00278  -0.0457   0.6433   0.7544
   4.750   0.6970   0.00703   0.00280  -0.0436   0.5945   0.7558
   5.000   0.6935   0.00773   0.00315  -0.0376   0.5201   0.7576
   5.250   0.6869   0.00833   0.00352  -0.0311   0.4643   0.7594
   5.500   0.6780   0.00901   0.00399  -0.0243   0.4152   0.7614
   5.750   0.6688   0.00991   0.00465  -0.0179   0.3597   0.7635
   6.000   0.6659   0.01078   0.00530  -0.0129   0.3102   0.7654
   6.250   0.6632   0.01175   0.00601  -0.0082   0.2568   0.7673
   6.500   0.6629   0.01274   0.00674  -0.0042   0.2040   0.7688
   6.750   0.6662   0.01363   0.00742  -0.0008   0.1578   0.7711
   7.000   0.6690   0.01460   0.00816   0.0026   0.1090   0.7734
   7.250   0.6760   0.01545   0.00885   0.0052   0.0739   0.7756
   7.500   0.6864   0.01621   0.00947   0.0074   0.0504   0.7776
   7.750   0.7010   0.01680   0.01002   0.0089   0.0405   0.7797
   8.000   0.7169   0.01735   0.01055   0.0101   0.0349   0.7819
   8.250   0.7332   0.01790   0.01108   0.0113   0.0318   0.7840
   8.500   0.7501   0.01842   0.01161   0.0124   0.0290   0.7858
   8.750   0.7665   0.01896   0.01215   0.0135   0.0270   0.7880
   9.000   0.7822   0.01953   0.01275   0.0147   0.0251   0.7907
   9.250   0.7993   0.02004   0.01330   0.0157   0.0241   0.7931
   9.500   0.8151   0.02064   0.01391   0.0168   0.0227   0.7956
   9.750   0.8286   0.02140   0.01470   0.0182   0.0217   0.7982
  10.000   0.8456   0.02197   0.01530   0.0191   0.0211   0.8007
  10.250   0.8619   0.02259   0.01595   0.0200   0.0202   0.8030
  10.500   0.8779   0.02322   0.01661   0.0210   0.0197   0.8059
  10.750   0.8930   0.02390   0.01734   0.0220   0.0191   0.8091
  11.000   0.9064   0.02470   0.01818   0.0232   0.0187   0.8122
  11.250   0.9165   0.02573   0.01925   0.0247   0.0181   0.8154
  11.500   0.9299   0.02659   0.02016   0.0258   0.0177   0.8186
  11.750   0.9435   0.02747   0.02108   0.0268   0.0175   0.8214
  12.000   0.9578   0.02825   0.02193   0.0278   0.0172   0.8253
  12.250   0.9723   0.02904   0.02278   0.0286   0.0168   0.8291
  12.500   0.9860   0.02992   0.02371   0.0295   0.0164   0.8329
  12.750   0.9968   0.03103   0.02487   0.0307   0.0163   0.8366
  13.000   1.0103   0.03195   0.02584   0.0315   0.0160   0.8406
  13.250   1.0222   0.03296   0.02691   0.0324   0.0157   0.8451
  13.500   1.0328   0.03411   0.02811   0.0334   0.0153   0.8499
  13.750   1.0414   0.03547   0.02952   0.0345   0.0152   0.8545
  14.000   1.0453   0.03718   0.03131   0.0359   0.0149   0.8597
  14.250   1.0561   0.03837   0.03260   0.0367   0.0146   0.8653
  14.500   1.0651   0.03978   0.03409   0.0376   0.0146   0.8709
  14.750   1.0742   0.04114   0.03554   0.0385   0.0146   0.8773
  15.000   1.0838   0.04249   0.03699   0.0393   0.0143   0.8844
  15.250   1.0931   0.04387   0.03846   0.0400   0.0142   0.8921
  15.500   1.1016   0.04530   0.03999   0.0407   0.0140   0.9016
  15.750   1.1085   0.04689   0.04169   0.0416   0.0140   0.9121
  16.000   1.1149   0.04853   0.04346   0.0424   0.0138   0.9257
  16.250   1.1223   0.05029   0.04535   0.0428   0.0137   0.9446
  16.500   1.1405   0.05243   0.04763   0.0404   0.0134   0.9639
  16.750   1.1516   0.05466   0.04996   0.0392   0.0133   1.0000
  17.000   1.1559   0.05694   0.05232   0.0394   0.0134   1.0000
  17.250   1.1606   0.05924   0.05470   0.0393   0.0132   1.0000
  17.500   1.1646   0.06163   0.05717   0.0391   0.0131   1.0000
  17.750   1.1674   0.06424   0.05986   0.0389   0.0130   1.0000
  18.000   1.1677   0.06718   0.06290   0.0387   0.0130   1.0000
  18.250   1.1712   0.06984   0.06561   0.0380   0.0128   1.0000
  18.500   1.1713   0.07298   0.06883   0.0373   0.0127   1.0000
  18.750   1.1706   0.07627   0.07222   0.0365   0.0126   1.0000
  19.000   1.1676   0.07992   0.07599   0.0356   0.0126   1.0000
  19.250   1.1663   0.08348   0.07962   0.0343   0.0125   1.0000
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