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NACA 65(4)-421 a=0.5 (naca654421a05-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 a=0.5 (naca654421a05-il)
Reynolds number: 50,000
Max Cl/Cd: 10.23 at α=14.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421a05-il-50000-n5.txt
Download as CSV file: xf-naca654421a05-il-50000-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 =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.2985   0.12004   0.11271  -0.0913   0.9381   0.0759
 -14.500  -0.3072   0.11235   0.10498  -0.0963   0.9329   0.0758
 -14.250  -0.3390   0.10062   0.09320  -0.1033   0.9282   0.0752
 -14.000  -0.4830   0.07811   0.07007  -0.1167   0.9240   0.0708
 -13.750  -0.4971   0.07364   0.06539  -0.1188   0.9171   0.0712
 -13.500  -0.5101   0.07001   0.06156  -0.1196   0.9089   0.0715
 -13.250  -0.5148   0.06702   0.05839  -0.1202   0.9020   0.0722
 -13.000  -0.5197   0.06441   0.05560  -0.1201   0.8943   0.0728
 -12.750  -0.5229   0.06194   0.05293  -0.1198   0.8872   0.0737
 -12.500  -0.5257   0.05956   0.05031  -0.1191   0.8808   0.0744
 -12.250  -0.5267   0.05746   0.04798  -0.1182   0.8736   0.0751
 -12.000  -0.5223   0.05539   0.04564  -0.1173   0.8681   0.0758
 -11.750  -0.5149   0.05355   0.04354  -0.1165   0.8624   0.0768
 -11.500  -0.5030   0.05191   0.04164  -0.1157   0.8565   0.0779
 -11.250  -0.4877   0.05036   0.03978  -0.1151   0.8517   0.0795
 -11.000  -0.4603   0.04909   0.03840  -0.1151   0.8481   0.0819
 -10.750  -0.4360   0.04832   0.03760  -0.1150   0.8425   0.0845
 -10.500  -0.4080   0.04756   0.03669  -0.1148   0.8378   0.0877
 -10.250  -0.3729   0.04697   0.03584  -0.1148   0.8342   0.0911
 -10.000  -0.3440   0.04646   0.03541  -0.1144   0.8311   0.0947
  -9.750  -0.3246   0.04600   0.03489  -0.1136   0.8267   0.0994
  -9.500  -0.3076   0.04558   0.03443  -0.1125   0.8217   0.1046
  -9.250  -0.2938   0.04497   0.03386  -0.1113   0.8173   0.1099
  -9.000  -0.2796   0.04426   0.03311  -0.1100   0.8136   0.1173
  -8.750  -0.2709   0.04345   0.03235  -0.1086   0.8098   0.1260
  -8.500  -0.2693   0.04289   0.03191  -0.1066   0.8043   0.1361
  -8.250  -0.2693   0.04208   0.03123  -0.1043   0.7998   0.1511
  -8.000  -0.2715   0.04104   0.03036  -0.1017   0.7959   0.1720
  -7.750  -0.2777   0.03977   0.02935  -0.0986   0.7926   0.2047
  -7.250  -0.3145   0.03895   0.02905  -0.0885   0.7804   0.2678
  -6.750  -0.2851   0.04051   0.03174  -0.0813   0.7748   0.4601
  -6.500  -0.3140   0.04073   0.03194  -0.0741   0.7693   0.4783
  -6.250  -0.3417   0.04104   0.03224  -0.0666   0.7631   0.4948
  -6.000  -0.3479   0.04143   0.03255  -0.0614   0.7590   0.5248
  -5.750  -0.3444   0.04224   0.03326  -0.0568   0.7561   0.5601
  -5.500  -0.3424   0.04363   0.03458  -0.0515   0.7529   0.5909
  -5.250  -0.3717   0.04431   0.03530  -0.0435   0.7467   0.6010
  -5.000  -0.3553   0.04644   0.03737  -0.0392   0.7431   0.6291
  -4.750  -0.3291   0.04790   0.03867  -0.0371   0.7404   0.6483
  -4.500  -0.3184   0.04816   0.03877  -0.0343   0.7378   0.6642
  -4.250  -0.2629   0.04974   0.04011  -0.0366   0.7365   0.6746
  -4.000  -0.3097   0.04968   0.04011  -0.0265   0.7312   0.6860
  -3.750  -0.3047   0.05043   0.04078  -0.0229   0.7272   0.6952
  -3.500  -0.3057   0.05032   0.04057  -0.0190   0.7236   0.7060
  -3.250  -0.2820   0.05070   0.04079  -0.0184   0.7210   0.7133
  -3.000  -0.2788   0.05022   0.04016  -0.0155   0.7187   0.7237
  -2.750  -0.2478   0.05060   0.04039  -0.0161   0.7172   0.7288
  -2.500  -0.2724   0.05074   0.04053  -0.0094   0.7123   0.7377
  -2.250  -0.2747   0.05065   0.04035  -0.0059   0.7082   0.7453
  -2.000  -0.2587   0.05088   0.04047  -0.0047   0.7052   0.7507
  -1.750  -0.2470   0.05078   0.04025  -0.0032   0.7028   0.7577
  -1.500  -0.2318   0.05065   0.03999  -0.0022   0.7007   0.7643
  -1.250  -0.2039   0.05086   0.04008  -0.0026   0.6989   0.7686
  -1.000  -0.2122   0.05110   0.04028   0.0013   0.6942   0.7754
  -0.750  -0.2110   0.05102   0.04013   0.0039   0.6904   0.7830
  -0.500  -0.1941   0.05140   0.04044   0.0047   0.6877   0.7874
  -0.250  -0.1749   0.05163   0.04058   0.0051   0.6850   0.7926
   0.000  -0.1536   0.05169   0.04052   0.0052   0.6825   0.7992
   0.250  -0.1270   0.05188   0.04062   0.0047   0.6805   0.8046
   0.500  -0.1286   0.05245   0.04118   0.0075   0.6760   0.8105
   0.750  -0.1202   0.05277   0.04145   0.0090   0.6723   0.8173
   1.000  -0.1040   0.05304   0.04166   0.0097   0.6689   0.8237
   1.250  -0.0808   0.05345   0.04202   0.0096   0.6660   0.8293
   1.500  -0.0559   0.05378   0.04228   0.0093   0.6637   0.8361
   1.750  -0.0438   0.05427   0.04274   0.0103   0.6603   0.8432
   2.000  -0.0376   0.05485   0.04334   0.0120   0.6554   0.8499
   2.250  -0.0219   0.05527   0.04372   0.0126   0.6515   0.8583
   2.500   0.0021   0.05581   0.04425   0.0123   0.6485   0.8650
   2.750   0.0293   0.05630   0.04470   0.0116   0.6460   0.8731
   3.000   0.0405   0.05697   0.04539   0.0125   0.6413   0.8817
   3.250   0.0528   0.05768   0.04612   0.0131   0.6363   0.8908
   3.500   0.0759   0.05833   0.04679   0.0125   0.6325   0.8997
   3.750   0.1059   0.05897   0.04743   0.0111   0.6294   0.9091
   4.000   0.1360   0.05974   0.04823   0.0094   0.6260   0.9183
   4.250   0.1455   0.06082   0.04937   0.0093   0.6194   0.9300
   4.500   0.1774   0.06177   0.05036   0.0068   0.6149   0.9392
   4.750   0.2170   0.06264   0.05127   0.0035   0.6116   0.9485
   5.000   0.2418   0.06389   0.05258   0.0012   0.6059   0.9593
   5.250   0.2687   0.06514   0.05391  -0.0016   0.5997   0.9704
   5.500   0.3086   0.06611   0.05493  -0.0054   0.5955   0.9817
   5.750   0.3530   0.06698   0.05586  -0.0094   0.5927   0.9992
   6.000   0.3281   0.06753   0.05635  -0.0046   0.5833   1.0000
   6.250   0.3467   0.06790   0.05670  -0.0043   0.5787   1.0000
   6.500   0.3742   0.06834   0.05712  -0.0049   0.5756   1.0000
   6.750   0.3687   0.06965   0.05843  -0.0031   0.5657   1.0000
   7.000   0.3952   0.07025   0.05904  -0.0038   0.5613   1.0000
   7.500   0.4222   0.07229   0.06111  -0.0033   0.5472   1.0000
   7.750   0.4530   0.07278   0.06164  -0.0041   0.5435   1.0000
   8.000   0.4530   0.07435   0.06325  -0.0031   0.5332   1.0000
   8.250   0.4816   0.07483   0.06378  -0.0037   0.5284   1.0000
   8.500   0.4863   0.07633   0.06532  -0.0031   0.5189   1.0000
   8.750   0.5123   0.07687   0.06593  -0.0035   0.5133   1.0000
   9.000   0.5202   0.07828   0.06740  -0.0030   0.5040   1.0000
   9.250   0.5443   0.07883   0.06803  -0.0032   0.4977   1.0000
   9.750   0.5779   0.08064   0.07000  -0.0030   0.4817   1.0000
  10.000   0.5854   0.08213   0.07157  -0.0026   0.4714   1.0000
  10.250   0.6127   0.08228   0.07184  -0.0028   0.4653   1.0000
  10.500   0.6181   0.08392   0.07356  -0.0023   0.4538   1.0000
  10.750   0.6487   0.08370   0.07345  -0.0025   0.4485   1.0000
  11.000   0.6521   0.08554   0.07538  -0.0020   0.4361   1.0000
  11.500   0.6887   0.08677   0.07685  -0.0017   0.4182   1.0000
  11.750   0.6954   0.08849   0.07869  -0.0014   0.4062   1.0000
  12.000   0.7270   0.08767   0.07803  -0.0012   0.4003   1.0000
  12.250   0.7312   0.08965   0.08012  -0.0009   0.3870   1.0000
  12.500   0.7418   0.09102   0.08161  -0.0007   0.3755   1.0000
  12.750   0.7721   0.08993   0.08069  -0.0002   0.3683   1.0000
  13.000   0.7782   0.09176   0.08265   0.0000   0.3548   1.0000
  13.500   0.8264   0.09029   0.08150   0.0013   0.3350   1.0000
  14.000   0.8582   0.09031   0.08179   0.0027   0.3045   1.0000
  14.500   0.8938   0.08929   0.08083   0.0043   0.2586   1.0000
  14.750   0.9116   0.08914   0.08057   0.0051   0.2330   1.0000
  15.000   0.9180   0.09097   0.08232   0.0052   0.2078   1.0000
  15.250   0.9229   0.09303   0.08423   0.0053   0.1825   1.0000
  15.500   0.9240   0.09572   0.08671   0.0052   0.1588   1.0000
  15.750   0.9224   0.09900   0.08984   0.0048   0.1379   1.0000
  16.000   0.9207   0.10238   0.09307   0.0042   0.1208   1.0000
  16.250   0.9206   0.10562   0.09619   0.0037   0.1080   1.0000
  16.500   0.9214   0.10880   0.09926   0.0030   0.0975   1.0000
  16.750   0.9245   0.11164   0.10201   0.0024   0.0900   1.0000
  17.000   0.9293   0.11432   0.10469   0.0018   0.0836   1.0000
  17.250   0.9359   0.11676   0.10715   0.0012   0.0787   1.0000
  17.500   0.9419   0.11928   0.10969   0.0006   0.0740   1.0000
  17.750   0.9504   0.12140   0.11181   0.0000   0.0707   1.0000
  18.000   0.9574   0.12398   0.11457  -0.0007   0.0675   1.0000
  18.250   0.9659   0.12616   0.11680  -0.0014   0.0649   1.0000
  18.500   0.9757   0.12813   0.11879  -0.0019   0.0627   1.0000
  18.750   0.9772   0.13183   0.12276  -0.0034   0.0607   1.0000
  19.000   0.9791   0.13544   0.12655  -0.0049   0.0590   1.0000
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