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NACA 66(3)-218 (naca663218-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 66(3)-218 (naca663218-il)
Reynolds number: 200,000
Max Cl/Cd: 38.38 at α=7.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca663218-il-200000.txt
Download as CSV file: xf-naca663218-il-200000.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 =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.000  -0.3959   0.12020   0.11657  -0.0769   0.9806   0.0790
 -13.750  -0.4744   0.10007   0.09644  -0.0969   0.9763   0.0855
 -13.500  -0.5326   0.09039   0.08656  -0.1057   0.9723   0.0857
 -13.250  -0.4237   0.09525   0.09163  -0.0972   0.9720   0.0889
 -13.000  -0.4170   0.09063   0.08699  -0.1007   0.9682   0.0911
 -12.750  -0.4544   0.07963   0.07590  -0.1097   0.9632   0.0930
 -12.500  -0.4920   0.07160   0.06768  -0.1155   0.9586   0.0941
 -12.250  -0.5281   0.06653   0.06241  -0.1168   0.9501   0.0955
 -12.000  -0.6732   0.04889   0.04318  -0.1067   0.9348   0.0510
 -11.750  -0.7377   0.04606   0.03944  -0.0949   0.9226   0.0462
 -11.500  -0.7204   0.04349   0.03668  -0.0944   0.9188   0.0454
 -11.250  -0.7064   0.04067   0.03362  -0.0934   0.9155   0.0451
 -11.000  -0.7050   0.03944   0.03214  -0.0901   0.9102   0.0453
 -10.750  -0.6972   0.03790   0.03034  -0.0877   0.9053   0.0455
 -10.500  -0.6892   0.03682   0.02899  -0.0850   0.9013   0.0458
 -10.250  -0.6581   0.03429   0.02621  -0.0863   0.8995   0.0460
 -10.000  -0.5920   0.03097   0.02277  -0.0930   0.9003   0.0469
  -9.750  -0.5504   0.02954   0.02129  -0.0953   0.8992   0.0479
  -9.500  -0.5179   0.02862   0.02031  -0.0962   0.8975   0.0493
  -9.250  -0.4881   0.02788   0.01954  -0.0969   0.8950   0.0509
  -9.000  -0.4623   0.02731   0.01888  -0.0969   0.8922   0.0529
  -8.750  -0.4287   0.02651   0.01806  -0.0978   0.8903   0.0547
  -8.500  -0.4031   0.02582   0.01745  -0.0977   0.8880   0.0570
  -8.250  -0.3832   0.02529   0.01693  -0.0969   0.8855   0.0593
  -8.000  -0.3649   0.02484   0.01642  -0.0958   0.8833   0.0625
  -7.750  -0.3520   0.02414   0.01577  -0.0940   0.8811   0.0664
  -7.500  -0.3397   0.02374   0.01539  -0.0925   0.8781   0.0705
  -7.250  -0.3309   0.02324   0.01490  -0.0903   0.8744   0.0758
  -7.000  -0.3228   0.02274   0.01442  -0.0879   0.8713   0.0827
  -6.750  -0.3172   0.02215   0.01390  -0.0851   0.8685   0.0971
  -6.500  -0.3234   0.02117   0.01330  -0.0805   0.8658   0.1478
  -6.250  -0.3456   0.02039   0.01308  -0.0735   0.8622   0.2422
  -6.000  -0.3737   0.02070   0.01360  -0.0650   0.8569   0.2817
  -5.750  -0.4048   0.02088   0.01395  -0.0550   0.8520   0.3175
  -5.500  -0.4334   0.02062   0.01402  -0.0454   0.8490   0.3862
  -5.250  -0.4560   0.01999   0.01407  -0.0365   0.8471   0.5061
  -5.000  -0.5004   0.02242   0.01574  -0.0242   0.8413   0.3813
  -4.750  -0.5286   0.02233   0.01599  -0.0148   0.8392   0.4469
  -4.500  -0.5414   0.02235   0.01709  -0.0067   0.8369   0.6371
  -4.250  -0.5337   0.02302   0.01771  -0.0030   0.8359   0.6857
  -4.000  -0.5123   0.02407   0.01875  -0.0011   0.8344   0.7103
  -3.750  -0.4845   0.02512   0.01974  -0.0002   0.8329   0.7274
  -3.500  -0.4582   0.02624   0.02081   0.0010   0.8319   0.7406
  -3.250  -0.4251   0.02765   0.02219   0.0014   0.8308   0.7549
  -3.000  -0.3310   0.03267   0.02725  -0.0039   0.8307   0.7738
  -2.750  -0.2825   0.03382   0.02830  -0.0066   0.8299   0.7855
  -2.500  -0.2172   0.03465   0.02903  -0.0128   0.8297   0.7884
  -2.250  -0.1423   0.03523   0.02950  -0.0211   0.8296   0.7897
  -1.500  -0.2936   0.03503   0.02938   0.0182   0.8150   0.8214
  -1.250  -0.2449   0.03536   0.02963   0.0145   0.8137   0.8225
  -1.000  -0.2435   0.03574   0.03000   0.0189   0.8086   0.8258
  -0.750  -0.2422   0.03579   0.03003   0.0229   0.8040   0.8303
  -0.500  -0.2485   0.03483   0.02899   0.0274   0.7997   0.8385
  -0.250  -0.2070   0.03492   0.02904   0.0249   0.7976   0.8395
   0.000  -0.1608   0.03508   0.02914   0.0215   0.7961   0.8405
   0.250  -0.1860   0.03497   0.02906   0.0299   0.7864   0.8445
   0.500  -0.1596   0.03486   0.02890   0.0296   0.7830   0.8468
   0.750  -0.1234   0.03471   0.02871   0.0277   0.7806   0.8485
   1.000  -0.0835   0.03462   0.02858   0.0251   0.7790   0.8501
   1.250  -0.1111   0.03399   0.02792   0.0325   0.7675   0.8554
   1.500  -0.0761   0.03385   0.02777   0.0309   0.7648   0.8562
   1.750  -0.0363   0.03379   0.02770   0.0287   0.7630   0.8570
   2.000   0.0047   0.03378   0.02768   0.0262   0.7616   0.8577
   2.250  -0.0093   0.03373   0.02764   0.0320   0.7493   0.8601
   2.500   0.0297   0.03354   0.02745   0.0298   0.7471   0.8608
   2.750   0.0706   0.03341   0.02733   0.0274   0.7457   0.8616
   3.000   0.0649   0.03350   0.02743   0.0317   0.7335   0.8647
   3.250   0.1033   0.03325   0.02720   0.0296   0.7312   0.8655
   3.500   0.1446   0.03297   0.02694   0.0272   0.7297   0.8664
   3.750   0.1470   0.03311   0.02709   0.0299   0.7177   0.8688
   4.000   0.1869   0.03272   0.02674   0.0277   0.7152   0.8697
   4.250   0.2297   0.03229   0.02635   0.0251   0.7137   0.8706
   4.500   0.2351   0.03248   0.02657   0.0277   0.7018   0.8729
   4.750   0.2732   0.03200   0.02616   0.0262   0.6994   0.8740
   5.000   0.3158   0.03134   0.02556   0.0242   0.6977   0.8749
   5.250   0.3605   0.03053   0.02483   0.0219   0.6960   0.8758
   5.500   0.3670   0.03063   0.02499   0.0246   0.6835   0.8781
   5.750   0.4120   0.02969   0.02415   0.0224   0.6820   0.8791
   6.000   0.4526   0.02885   0.02340   0.0208   0.6796   0.8803
   6.250   0.4719   0.02835   0.02298   0.0220   0.6681   0.8827
   6.500   0.5737   0.02265   0.01740   0.0154   0.6662   0.8815
   7.250   0.6209   0.02139   0.01636   0.0210   0.6179   0.8896
   7.500   0.6309   0.02130   0.01633   0.0238   0.5892   0.8925
   7.750   0.7008   0.01826   0.01253   0.0207   0.4665   0.8925
   8.000   0.6882   0.01943   0.01324   0.0265   0.3886   0.8972
   8.250   0.6730   0.02100   0.01436   0.0316   0.3120   0.9020
   8.500   0.6564   0.02278   0.01564   0.0366   0.2273   0.9063
   8.750   0.6401   0.02477   0.01700   0.0415   0.1307   0.9108
   9.000   0.6363   0.02642   0.01829   0.0446   0.0866   0.9154
   9.250   0.6433   0.02758   0.01937   0.0464   0.0734   0.9197
   9.500   0.6489   0.02863   0.02041   0.0487   0.0660   0.9239
   9.750   0.6591   0.02954   0.02135   0.0501   0.0616   0.9288
  10.000   0.6679   0.03067   0.02247   0.0517   0.0576   0.9340
  10.250   0.6812   0.03146   0.02331   0.0529   0.0538   0.9392
  10.500   0.6940   0.03244   0.02423   0.0539   0.0509   0.9455
  10.750   0.7132   0.03327   0.02511   0.0543   0.0489   0.9509
  11.000   0.7356   0.03402   0.02593   0.0544   0.0469   0.9571
  11.250   0.7627   0.03482   0.02674   0.0537   0.0451   0.9625
  11.500   0.8018   0.03567   0.02747   0.0519   0.0431   0.9661
  11.750   0.8380   0.03672   0.02866   0.0503   0.0418   0.9709
  12.000   0.8701   0.03790   0.03001   0.0485   0.0403   0.9761
  12.250   0.9067   0.03929   0.03154   0.0464   0.0392   0.9812
  12.500   0.9428   0.04086   0.03325   0.0442   0.0384   0.9882
  12.750   0.9748   0.04261   0.03513   0.0427   0.0378   1.0000
  13.000   0.9973   0.04468   0.03741   0.0424   0.0377   1.0000
  13.250   1.0160   0.04698   0.03992   0.0422   0.0375   1.0000
  13.500   1.0245   0.04970   0.04293   0.0429   0.0376   1.0000
  13.750   1.0182   0.05316   0.04683   0.0448   0.0382   1.0000
  14.000   1.0076   0.05707   0.05114   0.0466   0.0390   1.0000
  14.250   1.0023   0.05997   0.05424   0.0476   0.0385   1.0000
  14.500   0.9834   0.06439   0.05901   0.0492   0.0393   1.0000
  14.750   0.9663   0.06852   0.06338   0.0502   0.0396   1.0000
  15.000   0.9476   0.07370   0.06879   0.0507   0.0409   1.0000
  15.250   0.9308   0.07842   0.07369   0.0507   0.0414   1.0000
  15.500   0.9144   0.08347   0.07890   0.0502   0.0419   1.0000
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