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NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 64(4)-421 (naca644421-il)
Reynolds number: 1,000,000
Max Cl/Cd: 124.13 at α=7.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca644421-il-1000000.txt
Download as CSV file: xf-naca644421-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 64(4)-421                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0476   0.08168   0.07755  -0.0643   1.0000   0.0250
 -19.500  -1.0468   0.07860   0.07440  -0.0655   1.0000   0.0252
 -19.250  -1.0433   0.07591   0.07164  -0.0666   1.0000   0.0253
 -19.000  -1.0404   0.07318   0.06884  -0.0675   1.0000   0.0255
 -18.750  -1.0417   0.07023   0.06585  -0.0683   1.0000   0.0258
 -18.500  -1.0420   0.06731   0.06289  -0.0691   1.0000   0.0261
 -18.250  -1.0387   0.06481   0.06036  -0.0698   1.0000   0.0264
 -18.000  -1.0352   0.06232   0.05784  -0.0705   1.0000   0.0266
 -17.750  -1.0299   0.06009   0.05557  -0.0711   1.0000   0.0269
 -17.500  -1.0239   0.05792   0.05336  -0.0716   1.0000   0.0273
 -17.250  -1.0180   0.05580   0.05120  -0.0721   1.0000   0.0276
 -17.000  -1.0107   0.05384   0.04921  -0.0725   1.0000   0.0278
 -16.750  -1.0043   0.05182   0.04714  -0.0729   1.0000   0.0282
 -16.500  -0.9956   0.05006   0.04533  -0.0732   1.0000   0.0285
 -16.250  -0.9877   0.04824   0.04346  -0.0734   1.0000   0.0288
 -16.000  -0.9781   0.04661   0.04178  -0.0736   1.0000   0.0290
 -15.750  -0.9709   0.04482   0.03995  -0.0737   1.0000   0.0294
 -15.500  -0.9687   0.04261   0.03772  -0.0737   1.0000   0.0298
 -15.250  -0.9631   0.04075   0.03584  -0.0737   1.0000   0.0302
 -15.000  -0.9561   0.03903   0.03411  -0.0737   1.0000   0.0306
 -14.750  -0.9299   0.03718   0.03223  -0.0770   0.9650   0.0311
 -14.500  -0.8817   0.03527   0.03025  -0.0849   0.9530   0.0320
 -14.250  -0.8270   0.03352   0.02840  -0.0938   0.9350   0.0330
 -14.000  -0.7969   0.03203   0.02673  -0.0977   0.9030   0.0336
 -13.750  -0.7924   0.03047   0.02504  -0.0971   0.8764   0.0344
 -13.500  -0.7841   0.02933   0.02380  -0.0962   0.8591   0.0349
 -13.000  -0.7661   0.02719   0.02150  -0.0945   0.8325   0.0361
 -12.750  -0.7553   0.02626   0.02049  -0.0936   0.8212   0.0368
 -12.500  -0.7437   0.02535   0.01952  -0.0929   0.8115   0.0374
 -12.250  -0.7341   0.02437   0.01845  -0.0919   0.8015   0.0381
 -12.000  -0.7273   0.02318   0.01724  -0.0907   0.7931   0.0392
 -11.750  -0.7176   0.02224   0.01624  -0.0896   0.7841   0.0401
 -11.500  -0.7057   0.02138   0.01535  -0.0887   0.7768   0.0411
 -11.250  -0.6931   0.02060   0.01450  -0.0878   0.7688   0.0422
 -11.000  -0.6825   0.01976   0.01360  -0.0866   0.7610   0.0433
 -10.750  -0.6726   0.01884   0.01267  -0.0853   0.7542   0.0448
 -10.500  -0.6613   0.01806   0.01185  -0.0841   0.7467   0.0463
 -10.250  -0.6479   0.01741   0.01114  -0.0829   0.7399   0.0478
 -10.000  -0.6375   0.01659   0.01032  -0.0815   0.7333   0.0499
  -9.750  -0.6263   0.01590   0.00959  -0.0800   0.7263   0.0524
  -9.500  -0.6144   0.01526   0.00891  -0.0785   0.7198   0.0551
  -9.250  -0.6043   0.01456   0.00822  -0.0768   0.7137   0.0588
  -9.000  -0.5957   0.01394   0.00758  -0.0746   0.7070   0.0632
  -8.750  -0.5903   0.01348   0.00708  -0.0717   0.7006   0.0675
  -8.500  -0.5777   0.01300   0.00663  -0.0699   0.6950   0.0740
  -8.250  -0.5609   0.01259   0.00623  -0.0686   0.6888   0.0821
  -8.000  -0.5425   0.01223   0.00586  -0.0675   0.6822   0.0915
  -7.750  -0.5220   0.01183   0.00551  -0.0668   0.6771   0.1034
  -7.250  -0.4804   0.01100   0.00481  -0.0655   0.6652   0.1397
  -7.000  -0.4583   0.01055   0.00447  -0.0651   0.6600   0.1648
  -6.750  -0.4360   0.01004   0.00410  -0.0647   0.6548   0.1979
  -6.500  -0.4139   0.00947   0.00370  -0.0644   0.6493   0.2441
  -6.250  -0.3923   0.00878   0.00325  -0.0641   0.6434   0.3057
  -6.000  -0.3685   0.00808   0.00285  -0.0641   0.6392   0.3732
  -5.750  -0.3416   0.00775   0.00271  -0.0644   0.6342   0.4259
  -5.500  -0.3127   0.00769   0.00264  -0.0647   0.6289   0.4445
  -5.250  -0.2834   0.00770   0.00259  -0.0651   0.6235   0.4550
  -5.000  -0.2538   0.00763   0.00255  -0.0655   0.6195   0.4641
  -4.750  -0.2240   0.00764   0.00250  -0.0659   0.6148   0.4709
  -4.500  -0.1948   0.00761   0.00246  -0.0663   0.6100   0.4780
  -4.250  -0.1655   0.00765   0.00245  -0.0667   0.6048   0.4858
  -4.000  -0.1353   0.00767   0.00243  -0.0672   0.6014   0.4903
  -3.750  -0.1057   0.00762   0.00239  -0.0676   0.5972   0.4953
  -3.500  -0.0762   0.00762   0.00237  -0.0680   0.5929   0.4998
  -3.250  -0.0468   0.00769   0.00238  -0.0683   0.5884   0.5054
  -3.000  -0.0170   0.00773   0.00239  -0.0688   0.5846   0.5117
  -2.750   0.0128   0.00771   0.00241  -0.0692   0.5814   0.5183
  -2.500   0.0426   0.00773   0.00241  -0.0697   0.5777   0.5218
  -2.250   0.0722   0.00775   0.00239  -0.0701   0.5739   0.5238
  -2.000   0.1015   0.00779   0.00237  -0.0704   0.5698   0.5257
  -1.750   0.1312   0.00782   0.00237  -0.0709   0.5663   0.5271
  -1.500   0.1613   0.00784   0.00236  -0.0714   0.5638   0.5285
  -1.250   0.1909   0.00778   0.00233  -0.0718   0.5610   0.5319
  -1.000   0.2204   0.00777   0.00232  -0.0723   0.5580   0.5348
  -0.750   0.2499   0.00779   0.00233  -0.0727   0.5551   0.5371
  -0.500   0.2791   0.00783   0.00234  -0.0730   0.5520   0.5390
  -0.250   0.3084   0.00790   0.00238  -0.0734   0.5486   0.5409
   0.000   0.3383   0.00790   0.00239  -0.0739   0.5470   0.5429
   0.250   0.3681   0.00792   0.00241  -0.0744   0.5450   0.5447
   0.500   0.3979   0.00794   0.00243  -0.0749   0.5430   0.5465
   0.750   0.4276   0.00797   0.00246  -0.0753   0.5409   0.5483
   1.000   0.4569   0.00797   0.00248  -0.0757   0.5387   0.5518
   1.250   0.4862   0.00799   0.00252  -0.0761   0.5364   0.5546
   1.500   0.5153   0.00805   0.00257  -0.0765   0.5339   0.5573
   1.750   0.5444   0.00815   0.00265  -0.0769   0.5310   0.5600
   2.000   0.5740   0.00819   0.00271  -0.0773   0.5294   0.5627
   2.250   0.6035   0.00822   0.00276  -0.0778   0.5277   0.5653
   2.500   0.6330   0.00825   0.00280  -0.0782   0.5255   0.5674
   2.750   0.6622   0.00825   0.00285  -0.0786   0.5233   0.5716
   3.000   0.6914   0.00828   0.00292  -0.0790   0.5213   0.5754
   3.250   0.7205   0.00833   0.00299  -0.0794   0.5193   0.5790
   3.500   0.7494   0.00841   0.00307  -0.0797   0.5172   0.5825
   3.750   0.7782   0.00851   0.00317  -0.0800   0.5149   0.5858
   4.000   0.8072   0.00864   0.00330  -0.0804   0.5121   0.5896
   4.250   0.8359   0.00862   0.00336  -0.0807   0.5100   0.5943
   4.500   0.8644   0.00862   0.00341  -0.0810   0.5064   0.5988
   4.750   0.8927   0.00865   0.00347  -0.0812   0.5025   0.6031
   5.000   0.9204   0.00875   0.00355  -0.0813   0.4981   0.6069
   5.250   0.9478   0.00882   0.00365  -0.0814   0.4926   0.6124
   5.500   0.9760   0.00882   0.00373  -0.0816   0.4883   0.6178
   5.750   1.0039   0.00888   0.00382  -0.0818   0.4847   0.6230
   6.000   1.0308   0.00899   0.00393  -0.0818   0.4803   0.6273
   6.250   1.0574   0.00908   0.00406  -0.0817   0.4750   0.6331
   6.500   1.0850   0.00910   0.00415  -0.0818   0.4690   0.6388
   6.750   1.1102   0.00923   0.00427  -0.0815   0.4614   0.6443
   7.000   1.1366   0.00933   0.00440  -0.0815   0.4550   0.6492
   7.250   1.1624   0.00941   0.00454  -0.0813   0.4471   0.6555
   7.500   1.1867   0.00956   0.00470  -0.0808   0.4386   0.6616
   7.750   1.2095   0.00975   0.00487  -0.0802   0.4251   0.6672
   8.000   1.2291   0.01001   0.00510  -0.0789   0.4021   0.6732
   8.250   1.2349   0.01061   0.00554  -0.0753   0.3655   0.6796
   8.500   1.2343   0.01131   0.00611  -0.0706   0.3361   0.6858
   8.750   1.2324   0.01218   0.00684  -0.0660   0.3062   0.6917
   9.000   1.2288   0.01319   0.00773  -0.0615   0.2759   0.6987
   9.250   1.2237   0.01439   0.00880  -0.0571   0.2458   0.7055
   9.500   1.2208   0.01564   0.00995  -0.0534   0.2215   0.7118
   9.750   1.2165   0.01707   0.01129  -0.0499   0.1970   0.7193
  10.000   1.2155   0.01849   0.01264  -0.0469   0.1785   0.7266
  10.250   1.2143   0.02002   0.01411  -0.0443   0.1596   0.7335
  10.500   1.2139   0.02159   0.01564  -0.0419   0.1431   0.7413
  10.750   1.2137   0.02327   0.01726  -0.0397   0.1280   0.7490
  11.000   1.2160   0.02484   0.01883  -0.0379   0.1170   0.7570
  11.250   1.2175   0.02655   0.02052  -0.0361   0.1058   0.7655
  11.500   1.2196   0.02827   0.02223  -0.0346   0.0960   0.7738
  11.750   1.2229   0.02997   0.02393  -0.0332   0.0881   0.7831
  12.000   1.2277   0.03165   0.02563  -0.0321   0.0812   0.7919
  12.250   1.2325   0.03334   0.02736  -0.0310   0.0747   0.8019
  12.500   1.2370   0.03513   0.02916  -0.0300   0.0686   0.8117
  12.750   1.2407   0.03702   0.03108  -0.0291   0.0631   0.8229
  13.000   1.2464   0.03878   0.03287  -0.0283   0.0575   0.8345
  13.250   1.2513   0.04066   0.03478  -0.0275   0.0530   0.8478
  13.500   1.2559   0.04251   0.03669  -0.0267   0.0488   0.8644
  13.750   1.2590   0.04441   0.03868  -0.0258   0.0451   0.8886
  14.000   1.2670   0.04608   0.04053  -0.0254   0.0422   0.9566
  14.500   1.2808   0.05009   0.04456  -0.0252   0.0372   1.0000
  14.750   1.2860   0.05233   0.04680  -0.0251   0.0352   1.0000
  15.000   1.2940   0.05429   0.04880  -0.0251   0.0337   1.0000
  15.250   1.3012   0.05637   0.05090  -0.0252   0.0323   1.0000
  15.500   1.3065   0.05867   0.05322  -0.0252   0.0309   1.0000
  15.750   1.3141   0.06077   0.05535  -0.0253   0.0298   1.0000
  16.000   1.3205   0.06304   0.05765  -0.0256   0.0287   1.0000
  16.250   1.3271   0.06530   0.05994  -0.0258   0.0276   1.0000
  16.500   1.3297   0.06805   0.06272  -0.0261   0.0266   1.0000
  16.750   1.3376   0.07023   0.06495  -0.0264   0.0258   1.0000
  17.000   1.3450   0.07247   0.06723  -0.0268   0.0250   1.0000
  17.250   1.3496   0.07513   0.06992  -0.0273   0.0243   1.0000
  17.500   1.3519   0.07805   0.07287  -0.0278   0.0234   1.0000
  17.750   1.3567   0.08072   0.07560  -0.0284   0.0228   1.0000
  18.000   1.3621   0.08334   0.07827  -0.0290   0.0221   1.0000
  18.250   1.3682   0.08588   0.08086  -0.0297   0.0215   1.0000
  18.500   1.3709   0.08893   0.08395  -0.0305   0.0209   1.0000
  18.750   1.3719   0.09222   0.08728  -0.0314   0.0203   1.0000
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