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NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 65(4)-421 (naca654421-il)
Reynolds number: 200,000
Max Cl/Cd: 53.9 at α=8.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca654421-il-200000.txt
Download as CSV file: xf-naca654421-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.7181   0.07777   0.07306  -0.0967   1.0000   0.0540
 -15.500  -0.7290   0.07349   0.06870  -0.0970   1.0000   0.0537
 -15.250  -0.7483   0.06962   0.06473  -0.0966   1.0000   0.0535
 -15.000  -0.7760   0.06700   0.06204  -0.0944   1.0000   0.0534
 -14.750  -0.7925   0.06377   0.05869  -0.0940   0.9948   0.0531
 -14.500  -0.7963   0.05909   0.05375  -0.0970   0.9866   0.0529
 -14.250  -0.7967   0.05474   0.04910  -0.1000   0.9804   0.0528
 -14.000  -0.7894   0.05093   0.04500  -0.1026   0.9740   0.0526
 -13.750  -0.7777   0.04745   0.04121  -0.1053   0.9679   0.0527
 -13.500  -0.7641   0.04459   0.03803  -0.1075   0.9601   0.0530
 -13.250  -0.7459   0.04206   0.03520  -0.1096   0.9522   0.0534
 -13.000  -0.7247   0.03989   0.03274  -0.1112   0.9440   0.0537
 -12.750  -0.7043   0.03812   0.03071  -0.1119   0.9343   0.0539
 -12.500  -0.6793   0.03655   0.02892  -0.1127   0.9263   0.0541
 -12.250  -0.6322   0.03478   0.02711  -0.1146   0.9210   0.0548
 -12.000  -0.5976   0.03379   0.02614  -0.1153   0.9131   0.0559
 -11.750  -0.5726   0.03301   0.02530  -0.1152   0.9048   0.0571
 -11.500  -0.5466   0.03231   0.02451  -0.1149   0.8962   0.0579
 -11.250  -0.5191   0.03167   0.02378  -0.1148   0.8896   0.0589
 -11.000  -0.4946   0.03113   0.02320  -0.1142   0.8814   0.0598
 -10.750  -0.4711   0.03062   0.02258  -0.1135   0.8746   0.0608
 -10.500  -0.4484   0.03015   0.02207  -0.1128   0.8674   0.0618
 -10.250  -0.4263   0.02963   0.02162  -0.1119   0.8603   0.0632
 -10.000  -0.4095   0.02903   0.02101  -0.1108   0.8542   0.0649
  -9.750  -0.3957   0.02842   0.02040  -0.1095   0.8469   0.0671
  -9.500  -0.3815   0.02779   0.01971  -0.1083   0.8403   0.0693
  -9.250  -0.3714   0.02694   0.01885  -0.1067   0.8350   0.0718
  -9.000  -0.3633   0.02613   0.01807  -0.1051   0.8283   0.0749
  -8.750  -0.3537   0.02535   0.01724  -0.1035   0.8221   0.0787
  -8.500  -0.3492   0.02430   0.01619  -0.1014   0.8168   0.0835
  -8.250  -0.3449   0.02339   0.01530  -0.0993   0.8107   0.0915
  -8.000  -0.3472   0.02217   0.01423  -0.0964   0.8045   0.1073
  -7.750  -0.3583   0.02059   0.01293  -0.0925   0.7992   0.1514
  -7.500  -0.3781   0.01904   0.01173  -0.0872   0.7938   0.2138
  -7.250  -0.4023   0.01811   0.01110  -0.0804   0.7870   0.2659
  -7.000  -0.4215   0.01693   0.01037  -0.0740   0.7819   0.3509
  -6.750  -0.4228   0.01630   0.01038  -0.0696   0.7783   0.4736
  -6.500  -0.4057   0.01655   0.01068  -0.0679   0.7736   0.5217
  -6.250  -0.3829   0.01696   0.01109  -0.0669   0.7690   0.5459
  -6.000  -0.3577   0.01733   0.01138  -0.0662   0.7654   0.5633
  -5.750  -0.3312   0.01769   0.01164  -0.0658   0.7625   0.5774
  -5.500  -0.3043   0.01803   0.01184  -0.0655   0.7600   0.5904
  -5.250  -0.2726   0.01905   0.01293  -0.0650   0.7571   0.6011
  -5.000  -0.2476   0.01998   0.01388  -0.0639   0.7527   0.6138
  -4.750  -0.2149   0.02127   0.01521  -0.0632   0.7491   0.6245
  -4.500  -0.1822   0.02222   0.01615  -0.0628   0.7461   0.6324
  -4.250  -0.1385   0.02378   0.01770  -0.0631   0.7439   0.6368
  -4.000  -0.1234   0.02329   0.01706  -0.0622   0.7414   0.6482
  -3.750  -0.0899   0.02398   0.01773  -0.0621   0.7391   0.6504
  -3.500  -0.0635   0.02462   0.01841  -0.0614   0.7353   0.6525
  -3.250  -0.0383   0.02492   0.01870  -0.0608   0.7318   0.6554
  -3.000  -0.0310   0.02384   0.01747  -0.0599   0.7282   0.6657
  -2.750  -0.0037   0.02373   0.01731  -0.0599   0.7257   0.6681
  -2.500   0.0266   0.02384   0.01738  -0.0600   0.7236   0.6699
  -2.250   0.0565   0.02396   0.01743  -0.0603   0.7218   0.6719
  -2.000   0.0718   0.02422   0.01774  -0.0587   0.7179   0.6749
  -1.750   0.0873   0.02417   0.01768  -0.0577   0.7140   0.6794
  -1.500   0.1040   0.02345   0.01685  -0.0580   0.7108   0.6860
  -1.250   0.1304   0.02345   0.01683  -0.0577   0.7083   0.6878
  -1.000   0.1591   0.02342   0.01677  -0.0579   0.7063   0.6897
  -0.750   0.1886   0.02336   0.01667  -0.0584   0.7046   0.6916
  -0.500   0.2142   0.02342   0.01670  -0.0585   0.7026   0.6940
  -0.250   0.2160   0.02402   0.01740  -0.0554   0.6969   0.6979
   0.000   0.2351   0.02401   0.01735  -0.0553   0.6934   0.7026
   0.250   0.2622   0.02378   0.01706  -0.0561   0.6909   0.7058
   0.500   0.2901   0.02371   0.01699  -0.0563   0.6889   0.7075
   0.750   0.3192   0.02369   0.01697  -0.0567   0.6873   0.7095
   1.000   0.3493   0.02373   0.01699  -0.0573   0.6859   0.7119
   1.250   0.3251   0.02552   0.01893  -0.0505   0.6771   0.7157
   1.500   0.3467   0.02567   0.01908  -0.0503   0.6738   0.7189
   1.750   0.3772   0.02558   0.01895  -0.0516   0.6719   0.7224
   2.000   0.4096   0.02544   0.01878  -0.0530   0.6705   0.7252
   2.250   0.4401   0.02539   0.01876  -0.0535   0.6692   0.7272
   2.500   0.4731   0.02532   0.01871  -0.0544   0.6680   0.7295
   2.750   0.5081   0.02525   0.01864  -0.0557   0.6669   0.7322
   3.000   0.3809   0.03114   0.02470  -0.0362   0.6452   0.7377
   3.250   0.4308   0.03016   0.02371  -0.0393   0.6461   0.7408
   3.500   0.4027   0.03310   0.02665  -0.0341   0.6344   0.7446
   3.750   0.3965   0.03502   0.02862  -0.0309   0.6270   0.7473
   4.000   0.4472   0.03382   0.02747  -0.0333   0.6287   0.7498
   4.250   0.4940   0.03277   0.02646  -0.0353   0.6295   0.7529
   4.500   0.5404   0.03179   0.02552  -0.0375   0.6299   0.7563
   4.750   0.5910   0.03075   0.02451  -0.0406   0.6303   0.7598
   5.000   0.5434   0.03481   0.02858  -0.0333   0.6151   0.7643
   5.250   0.5833   0.03400   0.02785  -0.0345   0.6147   0.7669
   5.500   0.6253   0.03305   0.02697  -0.0358   0.6144   0.7699
   5.750   0.6698   0.03208   0.02606  -0.0377   0.6141   0.7732
   6.000   0.7199   0.03090   0.02494  -0.0404   0.6139   0.7772
   6.250   0.7746   0.02970   0.02378  -0.0440   0.6133   0.7814
   6.500   0.6344   0.03858   0.03271  -0.0273   0.5815   0.7870
   6.750   0.6211   0.04094   0.03513  -0.0240   0.5690   0.7914
   7.000   0.6583   0.04011   0.03437  -0.0248   0.5669   0.7960
   7.250   0.7045   0.03867   0.03298  -0.0264   0.5660   0.8009
   7.500   0.7518   0.03673   0.03116  -0.0275   0.5657   0.8046
   7.750   0.8004   0.03470   0.02923  -0.0287   0.5659   0.8089
   8.000   0.8656   0.03160   0.02624  -0.0315   0.5672   0.8139
   8.250   1.0629   0.02165   0.01622  -0.0495   0.5651   0.8154
   8.500   1.0713   0.02151   0.01614  -0.0464   0.5555   0.8215
   8.750   1.1028   0.02046   0.01510  -0.0461   0.5441   0.8261
   9.000   1.0858   0.02139   0.01618  -0.0399   0.5333   0.8340
   9.250   1.0898   0.02170   0.01656  -0.0367   0.5214   0.8406
   9.500   1.0965   0.02194   0.01686  -0.0337   0.5082   0.8477
   9.750   1.0966   0.02268   0.01766  -0.0305   0.4917   0.8563
  10.000   1.0921   0.02359   0.01865  -0.0266   0.4737   0.8647
  10.250   1.0951   0.02431   0.01932  -0.0238   0.4470   0.8740
  10.500   1.0929   0.02521   0.02011  -0.0202   0.4135   0.8836
  10.750   1.0846   0.02662   0.02132  -0.0164   0.3745   0.8944
  11.000   1.0712   0.02855   0.02304  -0.0125   0.3374   0.9072
  11.250   1.0552   0.03078   0.02509  -0.0087   0.3022   0.9226
  11.500   1.0393   0.03327   0.02741  -0.0054   0.2666   0.9437
  11.750   1.0296   0.03626   0.03022  -0.0048   0.2257   0.9899
  12.000   1.0187   0.03980   0.03348  -0.0043   0.1841   1.0000
  12.250   1.0057   0.04364   0.03697  -0.0037   0.1379   1.0000
  12.500   0.9926   0.04757   0.04052  -0.0031   0.0945   1.0000
  12.750   0.9878   0.05084   0.04358  -0.0028   0.0761   1.0000
  13.000   0.9879   0.05373   0.04639  -0.0027   0.0671   1.0000
  13.250   0.9927   0.05619   0.04883  -0.0028   0.0615   1.0000
  13.500   0.9965   0.05873   0.05137  -0.0028   0.0578   1.0000
  13.750   1.0036   0.06095   0.05360  -0.0029   0.0548   1.0000
  14.000   1.0070   0.06349   0.05607  -0.0029   0.0524   1.0000
  14.250   1.0170   0.06544   0.05809  -0.0031   0.0501   1.0000
  14.500   1.0258   0.06745   0.06010  -0.0031   0.0480   1.0000
  14.750   1.0357   0.06927   0.06188  -0.0031   0.0468   1.0000
  15.000   1.0485   0.07070   0.06328  -0.0029   0.0455   1.0000
  15.250   1.0623   0.07217   0.06482  -0.0029   0.0443   1.0000
  15.500   1.0769   0.07352   0.06620  -0.0029   0.0432   1.0000
  15.750   1.0920   0.07481   0.06748  -0.0029   0.0420   1.0000
  16.000   1.1105   0.07565   0.06827  -0.0028   0.0410   1.0000
  16.250   1.1346   0.07592   0.06848  -0.0024   0.0398   1.0000
  16.500   1.1469   0.07769   0.07039  -0.0025   0.0390   1.0000
  16.750   1.1626   0.07909   0.07188  -0.0025   0.0384   1.0000
  17.000   1.1784   0.08052   0.07341  -0.0026   0.0378   1.0000
  17.250   1.1941   0.08201   0.07499  -0.0026   0.0372   1.0000
  17.500   1.2091   0.08360   0.07667  -0.0028   0.0368   1.0000
  17.750   1.2224   0.08540   0.07856  -0.0029   0.0363   1.0000
  18.000   1.2356   0.08730   0.08055  -0.0032   0.0360   1.0000
  18.250   1.2487   0.08928   0.08264  -0.0034   0.0357   1.0000
  18.500   1.2646   0.09115   0.08458  -0.0036   0.0353   1.0000
  18.750   1.2814   0.09341   0.08693  -0.0038   0.0349   1.0000
  19.000   1.2734   0.09748   0.09124  -0.0047   0.0348   1.0000
  19.250   1.2620   0.10203   0.09604  -0.0059   0.0347   1.0000
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