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NACA 66-018 (naca66-018-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-018 (naca66-018-il)
Reynolds number: 50,000
Max Cl/Cd: 15.27 at α=11°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca66-018-il-50000-n5.txt
Download as CSV file: xf-naca66-018-il-50000-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 =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.6053   0.11247   0.10475  -0.0635   1.0000   0.0550
 -15.000  -0.6270   0.10475   0.09696  -0.0676   1.0000   0.0547
 -14.750  -0.6517   0.09758   0.08969  -0.0711   1.0000   0.0544
 -14.500  -0.6772   0.09125   0.08321  -0.0736   1.0000   0.0541
 -14.250  -0.7021   0.08572   0.07751  -0.0751   1.0000   0.0539
 -14.000  -0.7252   0.08089   0.07251  -0.0756   1.0000   0.0538
 -13.750  -0.7457   0.07670   0.06812  -0.0754   1.0000   0.0537
 -13.500  -0.7629   0.07314   0.06435  -0.0745   1.0000   0.0536
 -13.250  -0.7802   0.06993   0.06093  -0.0728   1.0000   0.0537
 -13.000  -0.7964   0.06730   0.05808  -0.0703   1.0000   0.0539
 -12.750  -0.8151   0.06528   0.05587  -0.0666   1.0000   0.0541
 -12.500  -0.8339   0.06381   0.05423  -0.0622   1.0000   0.0542
 -12.250  -0.8541   0.06252   0.05275  -0.0572   1.0000   0.0545
 -12.000  -0.8724   0.06128   0.05129  -0.0521   1.0000   0.0549
 -11.750  -0.8846   0.05993   0.04976  -0.0477   1.0000   0.0553
 -11.500  -0.8637   0.05776   0.04755  -0.0484   0.9964   0.0570
 -11.250  -0.8428   0.05565   0.04524  -0.0490   0.9920   0.0587
 -11.000  -0.8168   0.05355   0.04284  -0.0498   0.9882   0.0607
 -10.750  -0.7800   0.05159   0.04052  -0.0514   0.9856   0.0629
 -10.500  -0.7380   0.05018   0.03903  -0.0535   0.9836   0.0665
 -10.250  -0.6991   0.04923   0.03796  -0.0549   0.9810   0.0707
 -10.000  -0.6538   0.04867   0.03724  -0.0563   0.9788   0.0756
  -9.750  -0.6243   0.04786   0.03643  -0.0570   0.9759   0.0817
  -9.500  -0.5974   0.04697   0.03544  -0.0575   0.9731   0.0884
  -9.250  -0.5775   0.04593   0.03438  -0.0575   0.9700   0.0963
  -9.000  -0.5646   0.04480   0.03330  -0.0567   0.9661   0.1057
  -8.750  -0.5523   0.04349   0.03208  -0.0560   0.9628   0.1198
  -8.500  -0.5427   0.04189   0.03073  -0.0553   0.9599   0.1461
  -8.250  -0.5435   0.04026   0.02953  -0.0530   0.9556   0.1914
  -8.000  -0.5496   0.03853   0.02846  -0.0499   0.9511   0.2744
  -7.750  -0.5261   0.03906   0.03017  -0.0474   0.9487   0.4381
  -7.500  -0.4785   0.04223   0.03346  -0.0463   0.9470   0.5322
  -7.250  -0.4620   0.04446   0.03558  -0.0424   0.9430   0.5811
  -7.000  -0.4515   0.04620   0.03717  -0.0383   0.9390   0.6163
  -6.750  -0.4232   0.04784   0.03856  -0.0370   0.9365   0.6390
  -6.500  -0.3992   0.04839   0.03888  -0.0364   0.9343   0.6549
  -6.250  -0.3749   0.04874   0.03901  -0.0362   0.9324   0.6696
  -6.000  -0.3748   0.04907   0.03922  -0.0318   0.9280   0.6835
  -5.750  -0.3602   0.04935   0.03934  -0.0300   0.9246   0.6965
  -5.500  -0.3250   0.04971   0.03950  -0.0311   0.9226   0.7052
  -5.250  -0.3074   0.04975   0.03938  -0.0302   0.9202   0.7174
  -5.000  -0.2832   0.04982   0.03927  -0.0303   0.9184   0.7280
  -4.750  -0.2638   0.04997   0.03930  -0.0292   0.9162   0.7365
  -4.500  -0.2724   0.05010   0.03937  -0.0237   0.9124   0.7487
  -4.000  -0.2368   0.05012   0.03915  -0.0216   0.9071   0.7660
  -3.500  -0.1987   0.05001   0.03882  -0.0204   0.9031   0.7825
  -3.250  -0.1624   0.04991   0.03860  -0.0226   0.9020   0.7871
  -3.000  -0.1654   0.05001   0.03867  -0.0179   0.8983   0.7955
  -2.750  -0.1584   0.04997   0.03857  -0.0151   0.8950   0.8026
  -2.500  -0.1377   0.04993   0.03846  -0.0148   0.8928   0.8083
  -2.250  -0.1398   0.04990   0.03838  -0.0106   0.8896   0.8172
  -2.000  -0.1057   0.04977   0.03818  -0.0127   0.8877   0.8209
  -1.750  -0.0777   0.04970   0.03805  -0.0137   0.8858   0.8259
  -1.500  -0.0984   0.04978   0.03812  -0.0060   0.8810   0.8345
  -1.250  -0.0738   0.04971   0.03801  -0.0064   0.8779   0.8381
  -1.000  -0.0538   0.04967   0.03795  -0.0061   0.8748   0.8425
  -0.750  -0.0403   0.04965   0.03790  -0.0046   0.8717   0.8479
  -0.500  -0.0249   0.04962   0.03784  -0.0034   0.8688   0.8527
  -0.250  -0.0100   0.04962   0.03785  -0.0021   0.8649   0.8562
   0.000   0.0001   0.04962   0.03785   0.0000   0.8603   0.8602
   0.250   0.0110   0.04962   0.03785   0.0020   0.8562   0.8647
   0.500   0.0216   0.04962   0.03783   0.0040   0.8524   0.8691
   0.750   0.0411   0.04965   0.03789   0.0044   0.8481   0.8717
   1.000   0.0534   0.04966   0.03794   0.0061   0.8424   0.8749
   1.250   0.0731   0.04970   0.03801   0.0065   0.8379   0.8780
   1.500   0.0975   0.04977   0.03810   0.0062   0.8342   0.8810
   1.750   0.0764   0.04969   0.03804   0.0140   0.8259   0.8860
   2.000   0.1041   0.04975   0.03816   0.0130   0.8207   0.8878
   2.250   0.1379   0.04987   0.03836   0.0109   0.8170   0.8897
   2.500   0.1376   0.04992   0.03845   0.0148   0.8084   0.8928
   2.750   0.1576   0.04996   0.03856   0.0153   0.8025   0.8950
   3.000   0.1693   0.05001   0.03867   0.0172   0.7960   0.8981
   3.250   0.1628   0.04990   0.03860   0.0225   0.7872   0.9021
   3.500   0.1964   0.04998   0.03879   0.0208   0.7822   0.9033
   4.000   0.2350   0.05009   0.03911   0.0219   0.7658   0.9072
   4.500   0.2713   0.05009   0.03936   0.0238   0.7485   0.9124
   4.750   0.2648   0.04997   0.03930   0.0290   0.7365   0.9161
   5.000   0.2875   0.04975   0.03921   0.0297   0.7291   0.9184
   5.250   0.3058   0.04973   0.03935   0.0305   0.7173   0.9203
   5.500   0.3245   0.04968   0.03947   0.0312   0.7053   0.9227
   5.750   0.3658   0.04924   0.03925   0.0292   0.6976   0.9244
   6.000   0.3739   0.04906   0.03922   0.0320   0.6834   0.9281
   6.250   0.3743   0.04872   0.03899   0.0363   0.6695   0.9326
   6.500   0.3990   0.04837   0.03887   0.0365   0.6549   0.9345
   6.750   0.4232   0.04781   0.03854   0.0370   0.6389   0.9367
   7.000   0.4531   0.04609   0.03707   0.0382   0.6163   0.9390
   7.250   0.4623   0.04441   0.03553   0.0424   0.5811   0.9431
   7.500   0.4788   0.04221   0.03344   0.0463   0.5326   0.9471
   7.750   0.5265   0.03900   0.03011   0.0474   0.4376   0.9488
   8.000   0.5495   0.03851   0.02843   0.0499   0.2729   0.9512
   8.250   0.5440   0.04023   0.02949   0.0530   0.1919   0.9557
   8.500   0.5430   0.04189   0.03071   0.0553   0.1454   0.9600
   8.750   0.5529   0.04347   0.03206   0.0559   0.1195   0.9629
   9.000   0.5652   0.04478   0.03327   0.0566   0.1053   0.9663
   9.250   0.5781   0.04591   0.03435   0.0574   0.0961   0.9702
   9.500   0.5983   0.04694   0.03542   0.0574   0.0882   0.9732
   9.750   0.6251   0.04783   0.03640   0.0569   0.0815   0.9760
  10.000   0.6550   0.04864   0.03720   0.0562   0.0754   0.9789
  10.250   0.6994   0.04920   0.03792   0.0548   0.0707   0.9811
  10.500   0.7380   0.05017   0.03902   0.0534   0.0662   0.9838
  10.750   0.7810   0.05158   0.04050   0.0512   0.0628   0.9857
  11.000   0.8177   0.05354   0.04283   0.0497   0.0606   0.9884
  11.250   0.8444   0.05568   0.04529   0.0488   0.0590   0.9921
  11.500   0.8649   0.05787   0.04770   0.0482   0.0572   0.9965
  11.750   0.8791   0.05986   0.04979   0.0485   0.0556   1.0000
  12.000   0.8772   0.06130   0.05126   0.0516   0.0549   1.0000
  12.250   0.8557   0.06250   0.05270   0.0570   0.0544   1.0000
  12.500   0.8364   0.06378   0.05417   0.0620   0.0542   1.0000
  12.750   0.8183   0.06522   0.05577   0.0664   0.0541   1.0000
  13.000   0.7994   0.06720   0.05794   0.0701   0.0538   1.0000
  13.250   0.7826   0.06982   0.06079   0.0726   0.0537   1.0000
  13.500   0.7658   0.07300   0.06419   0.0743   0.0536   1.0000
  13.750   0.7464   0.07674   0.06815   0.0752   0.0535   1.0000
  14.000   0.7269   0.08086   0.07245   0.0755   0.0536   1.0000
  14.250   0.7054   0.08554   0.07731   0.0750   0.0538   1.0000
  14.500   0.6803   0.09106   0.08301   0.0735   0.0539   1.0000
  14.750   0.6549   0.09736   0.08945   0.0711   0.0542   1.0000
  15.000   0.6290   0.10466   0.09686   0.0675   0.0545   1.0000
  15.250   0.6090   0.11208   0.10435   0.0636   0.0549   1.0000
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