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NACA 66-018 (naca66-018-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-018 (naca66-018-il)
Reynolds number: 100,000
Max Cl/Cd: 18.81 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca66-018-il-100000-n5.txt
Download as CSV file: xf-naca66-018-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-018                                     
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.000  -0.6501   0.10776   0.10217  -0.0607   1.0000   0.0328
 -15.750  -0.6878   0.09702   0.09124  -0.0670   1.0000   0.0324
 -15.500  -0.7204   0.08870   0.08270  -0.0712   1.0000   0.0322
 -15.250  -0.7480   0.08209   0.07588  -0.0737   1.0000   0.0321
 -15.000  -0.7713   0.07661   0.07017  -0.0750   1.0000   0.0320
 -14.750  -0.7912   0.07197   0.06530  -0.0756   1.0000   0.0320
 -14.500  -0.8083   0.06788   0.06098  -0.0755   1.0000   0.0320
 -14.250  -0.8225   0.06425   0.05711  -0.0749   1.0000   0.0321
 -14.000  -0.8341   0.06102   0.05364  -0.0739   1.0000   0.0322
 -13.750  -0.8434   0.05823   0.05061  -0.0725   1.0000   0.0324
 -13.500  -0.8457   0.05550   0.04763  -0.0717   0.9885   0.0326
 -13.250  -0.8401   0.05261   0.04439  -0.0722   0.9762   0.0330
 -13.000  -0.8305   0.04992   0.04131  -0.0728   0.9687   0.0337
 -12.750  -0.8145   0.04763   0.03878  -0.0737   0.9627   0.0347
 -12.500  -0.7904   0.04581   0.03683  -0.0751   0.9580   0.0355
 -12.250  -0.7687   0.04419   0.03507  -0.0759   0.9523   0.0365
 -12.000  -0.7427   0.04260   0.03329  -0.0769   0.9479   0.0376
 -11.750  -0.7151   0.04118   0.03168  -0.0777   0.9433   0.0386
 -11.500  -0.6879   0.03996   0.03026  -0.0782   0.9383   0.0397
 -11.250  -0.6605   0.03888   0.02912  -0.0788   0.9340   0.0409
 -11.000  -0.6398   0.03791   0.02816  -0.0788   0.9288   0.0427
 -10.750  -0.6198   0.03703   0.02720  -0.0786   0.9235   0.0447
 -10.500  -0.5987   0.03619   0.02622  -0.0783   0.9192   0.0468
 -10.250  -0.5817   0.03526   0.02531  -0.0776   0.9147   0.0484
 -10.000  -0.5671   0.03437   0.02441  -0.0768   0.9099   0.0504
  -9.750  -0.5521   0.03354   0.02349  -0.0759   0.9057   0.0536
  -9.500  -0.5385   0.03265   0.02255  -0.0748   0.9022   0.0570
  -9.250  -0.5258   0.03183   0.02171  -0.0736   0.8978   0.0605
  -9.000  -0.5129   0.03104   0.02086  -0.0724   0.8937   0.0650
  -8.750  -0.5005   0.03021   0.02003  -0.0710   0.8900   0.0715
  -8.500  -0.4878   0.02939   0.01924  -0.0696   0.8869   0.0818
  -8.250  -0.4757   0.02857   0.01853  -0.0681   0.8834   0.1000
  -8.000  -0.4673   0.02754   0.01791  -0.0663   0.8794   0.1507
  -7.750  -0.4628   0.02641   0.01729  -0.0639   0.8754   0.2350
  -7.500  -0.4630   0.02528   0.01665  -0.0606   0.8718   0.3197
  -7.250  -0.4603   0.02449   0.01637  -0.0572   0.8690   0.4073
  -7.000  -0.4103   0.02644   0.01899  -0.0576   0.8683   0.5225
  -6.750  -0.3676   0.02881   0.02145  -0.0572   0.8666   0.5791
  -6.500  -0.3578   0.02953   0.02214  -0.0541   0.8630   0.6130
  -6.250  -0.3469   0.03020   0.02272  -0.0511   0.8597   0.6365
  -6.000  -0.3325   0.03050   0.02290  -0.0490   0.8569   0.6509
  -5.500  -0.2840   0.03125   0.02338  -0.0476   0.8531   0.6683
  -5.250  -0.2776   0.03113   0.02316  -0.0446   0.8504   0.6814
  -5.000  -0.2403   0.03182   0.02374  -0.0458   0.8484   0.6847
  -4.500  -0.2036   0.03227   0.02404  -0.0433   0.8431   0.7002
  -4.250  -0.1705   0.03263   0.02431  -0.0442   0.8416   0.7039
  -4.000  -0.1706   0.03246   0.02408  -0.0403   0.8386   0.7152
  -3.750  -0.1348   0.03274   0.02427  -0.0416   0.8375   0.7177
  -3.500  -0.1056   0.03289   0.02435  -0.0421   0.8363   0.7216
  -3.250  -0.1060   0.03259   0.02399  -0.0381   0.8340   0.7318
  -3.000  -0.0777   0.03296   0.02433  -0.0385   0.8315   0.7342
  -2.750  -0.0561   0.03327   0.02461  -0.0379   0.8289   0.7379
  -2.500  -0.0755   0.03329   0.02462  -0.0307   0.8244   0.7485
  -2.250  -0.0442   0.03349   0.02479  -0.0316   0.8230   0.7505
  -2.000  -0.0164   0.03361   0.02488  -0.0320   0.8213   0.7532
  -1.500  -0.0046   0.03334   0.02454  -0.0255   0.8169   0.7658
  -1.250   0.0074   0.03397   0.02520  -0.0233   0.8130   0.7684
  -0.750  -0.0304   0.03411   0.02532  -0.0079   0.8027   0.7828
  -0.500   0.0033   0.03415   0.02535  -0.0094   0.8014   0.7841
  -0.250   0.0359   0.03413   0.02533  -0.0107   0.8001   0.7857
   0.000   0.0018   0.03479   0.02603  -0.0003   0.7918   0.7915
   0.250  -0.0396   0.03411   0.02531   0.0113   0.7854   0.8005
   0.500  -0.0071   0.03413   0.02534   0.0100   0.7838   0.8017
   0.750   0.0270   0.03410   0.02531   0.0085   0.7824   0.8030
   1.250  -0.0061   0.03404   0.02527   0.0231   0.7683   0.8127
   1.500   0.0017   0.03332   0.02451   0.0260   0.7655   0.8171
   2.000   0.0151   0.03358   0.02484   0.0322   0.7530   0.8214
   2.250   0.0426   0.03348   0.02477   0.0319   0.7502   0.8231
   2.500   0.0735   0.03329   0.02463   0.0310   0.7482   0.8245
   2.750   0.0566   0.03329   0.02464   0.0378   0.7379   0.8288
   3.000   0.0781   0.03301   0.02438   0.0384   0.7341   0.8312
   3.250   0.1049   0.03261   0.02401   0.0382   0.7315   0.8340
   3.500   0.1050   0.03287   0.02433   0.0422   0.7216   0.8364
   3.750   0.1336   0.03273   0.02426   0.0418   0.7175   0.8377
   4.000   0.1693   0.03246   0.02407   0.0405   0.7149   0.8388
   4.250   0.1702   0.03263   0.02430   0.0442   0.7038   0.8416
   4.500   0.2030   0.03227   0.02404   0.0434   0.6999   0.8431
   5.000   0.2399   0.03186   0.02378   0.0458   0.6845   0.8483
   5.250   0.2736   0.03125   0.02327   0.0451   0.6803   0.8505
   5.500   0.2832   0.03125   0.02338   0.0477   0.6681   0.8532
   6.000   0.3314   0.03054   0.02294   0.0491   0.6507   0.8571
   6.500   0.3586   0.02950   0.02211   0.0540   0.6130   0.8629
   6.750   0.3681   0.02880   0.02145   0.0572   0.5789   0.8666
   7.000   0.4111   0.02640   0.01894   0.0575   0.5211   0.8684
   7.250   0.4604   0.02448   0.01635   0.0571   0.4066   0.8691
   7.500   0.4629   0.02529   0.01664   0.0606   0.3178   0.8719
   7.750   0.4630   0.02641   0.01728   0.0638   0.2336   0.8754
   8.000   0.4674   0.02756   0.01791   0.0662   0.1477   0.8792
   8.250   0.4764   0.02855   0.01852   0.0680   0.1002   0.8833
   8.500   0.4881   0.02938   0.01923   0.0696   0.0813   0.8869
   8.750   0.5009   0.03021   0.02002   0.0710   0.0712   0.8901
   9.000   0.5134   0.03103   0.02085   0.0723   0.0647   0.8938
   9.250   0.5265   0.03182   0.02170   0.0735   0.0603   0.8979
   9.500   0.5390   0.03264   0.02253   0.0747   0.0566   0.9023
   9.750   0.5528   0.03353   0.02347   0.0758   0.0534   0.9058
  10.000   0.5678   0.03437   0.02440   0.0767   0.0502   0.9100
  10.250   0.5826   0.03524   0.02529   0.0775   0.0483   0.9147
  10.500   0.5993   0.03618   0.02621   0.0782   0.0466   0.9193
  10.750   0.6209   0.03702   0.02718   0.0784   0.0448   0.9235
  11.000   0.6419   0.03791   0.02816   0.0786   0.0428   0.9287
  11.250   0.6628   0.03884   0.02911   0.0786   0.0412   0.9339
  11.500   0.6893   0.03995   0.03023   0.0780   0.0397   0.9383
  11.750   0.7162   0.04116   0.03166   0.0775   0.0386   0.9434
  12.000   0.7437   0.04259   0.03328   0.0767   0.0375   0.9480
  12.250   0.7695   0.04420   0.03508   0.0757   0.0364   0.9525
  12.500   0.7920   0.04588   0.03692   0.0749   0.0355   0.9581
  12.750   0.8149   0.04761   0.03875   0.0735   0.0345   0.9630
  13.000   0.8330   0.04985   0.04121   0.0725   0.0337   0.9689
  13.250   0.8428   0.05255   0.04430   0.0719   0.0331   0.9764
  13.500   0.8479   0.05542   0.04754   0.0714   0.0326   0.9894
  13.750   0.8434   0.05825   0.05064   0.0724   0.0323   1.0000
  14.000   0.8352   0.06102   0.05363   0.0738   0.0322   1.0000
  14.250   0.8243   0.06417   0.05702   0.0747   0.0321   1.0000
  14.500   0.8101   0.06781   0.06090   0.0753   0.0320   1.0000
  14.750   0.7928   0.07194   0.06526   0.0754   0.0319   1.0000
  15.000   0.7722   0.07665   0.07021   0.0748   0.0319   1.0000
  15.250   0.7496   0.08206   0.07584   0.0735   0.0320   1.0000
  15.500   0.7226   0.08859   0.08259   0.0710   0.0321   1.0000
  15.750   0.6917   0.09662   0.09082   0.0670   0.0324   1.0000
  16.000   0.6516   0.10778   0.10219   0.0605   0.0327   1.0000
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