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NACA 65(4)-421 a=0.5 (naca654421a05-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 a=0.5 (naca654421a05-il)
Reynolds number: 200,000
Max Cl/Cd: 44.44 at α=6.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421a05-il-200000-n5.txt
Download as CSV file: xf-naca654421a05-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421 a=0.5                            
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.250  -0.6377   0.09051   0.08561  -0.0837   0.8413   0.0306
 -17.000  -0.6712   0.08193   0.07675  -0.0887   0.8370   0.0307
 -16.750  -0.6975   0.07527   0.06982  -0.0920   0.8324   0.0308
 -16.500  -0.7175   0.06992   0.06421  -0.0943   0.8278   0.0309
 -16.250  -0.7351   0.06525   0.05929  -0.0959   0.8223   0.0312
 -16.000  -0.7481   0.06134   0.05512  -0.0969   0.8170   0.0313
 -15.750  -0.7618   0.05778   0.05127  -0.0975   0.8122   0.0317
 -15.500  -0.7720   0.05462   0.04785  -0.0977   0.8071   0.0319
 -15.250  -0.7777   0.05189   0.04490  -0.0977   0.8019   0.0322
 -15.000  -0.7695   0.05007   0.04298  -0.0976   0.7971   0.0324
 -14.750  -0.7618   0.04839   0.04120  -0.0973   0.7929   0.0328
 -14.500  -0.7542   0.04677   0.03949  -0.0972   0.7882   0.0331
 -14.250  -0.7464   0.04517   0.03779  -0.0969   0.7834   0.0335
 -14.000  -0.7390   0.04368   0.03618  -0.0965   0.7789   0.0340
 -13.750  -0.7302   0.04218   0.03452  -0.0959   0.7748   0.0344
 -13.500  -0.7201   0.04080   0.03299  -0.0954   0.7706   0.0349
 -13.250  -0.7078   0.03944   0.03150  -0.0950   0.7660   0.0353
 -13.000  -0.6949   0.03819   0.03009  -0.0944   0.7616   0.0357
 -12.750  -0.6813   0.03701   0.02875  -0.0938   0.7578   0.0362
 -12.500  -0.6689   0.03593   0.02746  -0.0931   0.7546   0.0367
 -12.250  -0.6491   0.03493   0.02641  -0.0929   0.7508   0.0372
 -12.000  -0.6286   0.03404   0.02552  -0.0926   0.7470   0.0376
 -11.750  -0.6098   0.03317   0.02463  -0.0922   0.7434   0.0382
 -11.500  -0.5918   0.03234   0.02375  -0.0917   0.7400   0.0386
 -11.250  -0.5743   0.03154   0.02287  -0.0911   0.7370   0.0391
 -11.000  -0.5567   0.03075   0.02202  -0.0906   0.7338   0.0396
 -10.750  -0.5393   0.02996   0.02120  -0.0900   0.7300   0.0401
 -10.500  -0.5226   0.02919   0.02037  -0.0894   0.7263   0.0407
 -10.250  -0.5062   0.02843   0.01954  -0.0886   0.7231   0.0413
 -10.000  -0.4903   0.02771   0.01873  -0.0879   0.7203   0.0420
  -9.750  -0.4761   0.02691   0.01788  -0.0869   0.7178   0.0428
  -9.500  -0.4628   0.02608   0.01705  -0.0859   0.7150   0.0435
  -9.250  -0.4487   0.02533   0.01631  -0.0850   0.7119   0.0444
  -9.000  -0.4351   0.02459   0.01554  -0.0840   0.7089   0.0453
  -8.750  -0.4218   0.02387   0.01477  -0.0828   0.7059   0.0462
  -8.500  -0.4082   0.02319   0.01403  -0.0816   0.7032   0.0471
  -8.250  -0.3946   0.02255   0.01329  -0.0803   0.7007   0.0482
  -8.000  -0.3832   0.02183   0.01253  -0.0788   0.6983   0.0494
  -7.750  -0.3705   0.02121   0.01190  -0.0773   0.6954   0.0509
  -7.500  -0.3568   0.02066   0.01134  -0.0759   0.6925   0.0527
  -7.250  -0.3432   0.02019   0.01081  -0.0743   0.6899   0.0548
  -7.000  -0.3323   0.01972   0.01035  -0.0722   0.6874   0.0577
  -6.750  -0.3205   0.01935   0.00994  -0.0700   0.6852   0.0622
  -6.500  -0.3082   0.01893   0.00953  -0.0680   0.6831   0.0694
  -6.250  -0.2948   0.01846   0.00909  -0.0661   0.6813   0.0834
  -6.000  -0.2829   0.01790   0.00868  -0.0641   0.6791   0.1117
  -5.750  -0.2719   0.01728   0.00830  -0.0620   0.6764   0.1579
  -5.500  -0.2611   0.01660   0.00790  -0.0599   0.6737   0.2138
  -5.250  -0.2520   0.01580   0.00745  -0.0574   0.6712   0.2894
  -5.000  -0.2440   0.01494   0.00707  -0.0547   0.6691   0.3880
  -4.750  -0.2276   0.01458   0.00707  -0.0530   0.6671   0.4755
  -4.500  -0.2037   0.01453   0.00706  -0.0524   0.6654   0.5142
  -4.250  -0.1789   0.01456   0.00711  -0.0519   0.6639   0.5438
  -4.000  -0.1534   0.01465   0.00713  -0.0515   0.6624   0.5681
  -3.750  -0.1287   0.01480   0.00731  -0.0511   0.6602   0.5864
  -3.500  -0.1035   0.01500   0.00754  -0.0506   0.6577   0.6037
  -3.250  -0.0775   0.01521   0.00780  -0.0502   0.6554   0.6184
  -3.000  -0.0512   0.01530   0.00784  -0.0500   0.6532   0.6278
  -2.750  -0.0235   0.01535   0.00786  -0.0501   0.6514   0.6323
  -2.500   0.0042   0.01535   0.00779  -0.0503   0.6497   0.6363
  -2.250   0.0318   0.01533   0.00769  -0.0506   0.6482   0.6401
  -2.000   0.0595   0.01531   0.00756  -0.0508   0.6468   0.6441
  -1.750   0.0883   0.01530   0.00751  -0.0512   0.6454   0.6467
  -1.500   0.1157   0.01535   0.00754  -0.0514   0.6437   0.6494
  -1.250   0.1411   0.01545   0.00766  -0.0513   0.6413   0.6527
  -1.000   0.1671   0.01553   0.00774  -0.0513   0.6389   0.6565
  -0.750   0.1934   0.01559   0.00777  -0.0514   0.6369   0.6602
  -0.500   0.2201   0.01565   0.00778  -0.0516   0.6351   0.6638
  -0.250   0.2474   0.01570   0.00785  -0.0518   0.6334   0.6664
   0.000   0.2750   0.01575   0.00790  -0.0520   0.6319   0.6695
   0.250   0.3029   0.01580   0.00792  -0.0522   0.6304   0.6732
   0.500   0.3314   0.01582   0.00791  -0.0526   0.6290   0.6772
   0.750   0.3604   0.01585   0.00789  -0.0531   0.6276   0.6812
   1.000   0.3850   0.01601   0.00809  -0.0529   0.6256   0.6846
   1.250   0.4076   0.01624   0.00840  -0.0525   0.6233   0.6878
   1.500   0.4311   0.01644   0.00866  -0.0521   0.6210   0.6914
   1.750   0.4554   0.01662   0.00886  -0.0519   0.6189   0.6957
   2.000   0.4808   0.01674   0.00900  -0.0519   0.6168   0.7005
   2.250   0.5074   0.01683   0.00910  -0.0519   0.6150   0.7046
   2.500   0.5346   0.01691   0.00922  -0.0521   0.6135   0.7084
   2.750   0.5625   0.01699   0.00933  -0.0524   0.6122   0.7127
   3.000   0.5914   0.01707   0.00940  -0.0529   0.6109   0.7174
   3.250   0.6206   0.01715   0.00948  -0.0534   0.6096   0.7223
   3.500   0.6313   0.01768   0.01017  -0.0511   0.6058   0.7265
   3.750   0.6480   0.01806   0.01066  -0.0497   0.6029   0.7315
   4.000   0.6684   0.01834   0.01100  -0.0489   0.6005   0.7373
   4.250   0.6922   0.01850   0.01120  -0.0486   0.5983   0.7431
   4.500   0.7180   0.01859   0.01136  -0.0485   0.5965   0.7480
   4.750   0.7464   0.01864   0.01147  -0.0489   0.5951   0.7534
   5.000   0.7771   0.01866   0.01151  -0.0496   0.5937   0.7594
   5.250   0.7976   0.01894   0.01186  -0.0488   0.5914   0.7650
   5.500   0.7779   0.02007   0.01320  -0.0418   0.5848   0.7725
   5.750   0.7916   0.02035   0.01354  -0.0399   0.5817   0.7802
   6.000   0.8173   0.02036   0.01362  -0.0397   0.5796   0.7867
   6.250   0.8505   0.02021   0.01354  -0.0407   0.5780   0.7935
   6.500   0.8892   0.02001   0.01338  -0.0426   0.5766   0.8007
   7.000   0.8500   0.02250   0.01611  -0.0295   0.5628   0.8224
   7.250   0.8896   0.02185   0.01554  -0.0310   0.5612   0.8295
   7.500   0.9343   0.02111   0.01484  -0.0332   0.5596   0.8375
   7.750   0.8689   0.02460   0.01851  -0.0221   0.5464   0.8569
   8.000   0.9113   0.02358   0.01756  -0.0236   0.5446   0.8662
   8.500   0.9122   0.02582   0.02003  -0.0182   0.5292   0.9020
   8.750   0.9530   0.02490   0.01918  -0.0196   0.5261   0.9176
   9.000   0.9480   0.02758   0.02204  -0.0190   0.5133   0.9535
   9.250   0.9461   0.02976   0.02431  -0.0180   0.5004   1.0000
   9.500   0.9615   0.03025   0.02481  -0.0173   0.4897   1.0000
   9.750   0.9762   0.03071   0.02527  -0.0164   0.4747   1.0000
  10.000   0.9899   0.03124   0.02576  -0.0154   0.4550   1.0000
  10.250   1.0199   0.03042   0.02477  -0.0153   0.4255   1.0000
  10.500   1.0371   0.03042   0.02444  -0.0140   0.3830   1.0000
  10.750   1.0354   0.03207   0.02582  -0.0119   0.3463   1.0000
  11.000   1.0294   0.03421   0.02774  -0.0096   0.3140   1.0000
  11.250   1.0229   0.03657   0.02991  -0.0076   0.2846   1.0000
  11.500   1.0171   0.03899   0.03217  -0.0059   0.2562   1.0000
  11.750   1.0133   0.04139   0.03443  -0.0044   0.2308   1.0000
  12.000   1.0091   0.04390   0.03678  -0.0031   0.2045   1.0000
  12.250   1.0069   0.04633   0.03908  -0.0020   0.1804   1.0000
  12.500   1.0058   0.04875   0.04136  -0.0010   0.1579   1.0000
  12.750   1.0045   0.05124   0.04372  -0.0002   0.1340   1.0000
  13.000   1.0049   0.05364   0.04599   0.0005   0.1125   1.0000
  13.250   1.0042   0.05619   0.04841   0.0011   0.0907   1.0000
  13.500   1.0062   0.05856   0.05067   0.0016   0.0737   1.0000
  13.750   1.0074   0.06105   0.05307   0.0021   0.0582   1.0000
  14.250   1.0149   0.06568   0.05762   0.0026   0.0433   1.0000
  14.500   1.0200   0.06796   0.05992   0.0027   0.0393   1.0000
  14.750   1.0250   0.07027   0.06225   0.0027   0.0371   1.0000
  15.000   1.0305   0.07256   0.06460   0.0027   0.0345   1.0000
  15.250   1.0340   0.07510   0.06717   0.0026   0.0329   1.0000
  15.500   1.0396   0.07747   0.06960   0.0025   0.0316   1.0000
  15.750   1.0443   0.07997   0.07217   0.0023   0.0302   1.0000
  16.000   1.0486   0.08256   0.07483   0.0020   0.0294   1.0000
  16.250   1.0512   0.08538   0.07769   0.0016   0.0286   1.0000
  16.500   1.0540   0.08819   0.08057   0.0012   0.0278   1.0000
  16.750   1.0584   0.09084   0.08330   0.0008   0.0273   1.0000
  17.000   1.0623   0.09358   0.08612   0.0003   0.0267   1.0000
  17.250   1.0665   0.09631   0.08892  -0.0003   0.0260   1.0000
  17.500   1.0695   0.09920   0.09186  -0.0010   0.0254   1.0000
  17.750   1.0736   0.10193   0.09465  -0.0017   0.0250   1.0000
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