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NACA 65(4)-421 a=0.5 (naca654421a05-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 a=0.5 (naca654421a05-il)
Reynolds number: 100,000
Max Cl/Cd: 16.51 at α=12.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421a05-il-100000-n5.txt
Download as CSV file: xf-naca654421a05-il-100000-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 =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.4035   0.11365   0.10801  -0.0794   0.8626   0.0474
 -15.500  -0.5005   0.09000   0.08408  -0.0937   0.8635   0.0462
 -15.250  -0.5491   0.07994   0.07374  -0.0994   0.8592   0.0458
 -15.000  -0.5817   0.07342   0.06694  -0.1023   0.8540   0.0456
 -14.750  -0.6080   0.06831   0.06155  -0.1037   0.8491   0.0457
 -14.500  -0.6265   0.06414   0.05713  -0.1047   0.8433   0.0457
 -14.250  -0.6416   0.06055   0.05328  -0.1049   0.8374   0.0459
 -14.000  -0.6535   0.05747   0.04993  -0.1046   0.8322   0.0462
 -13.750  -0.6624   0.05472   0.04691  -0.1040   0.8272   0.0466
 -13.500  -0.6689   0.05220   0.04412  -0.1034   0.8215   0.0471
 -13.250  -0.6723   0.04995   0.04158  -0.1024   0.8165   0.0476
 -13.000  -0.6745   0.04793   0.03924  -0.1010   0.8122   0.0481
 -12.750  -0.6646   0.04614   0.03727  -0.1004   0.8075   0.0486
 -12.500  -0.6478   0.04463   0.03568  -0.1002   0.8025   0.0491
 -12.250  -0.6314   0.04326   0.03419  -0.0997   0.7980   0.0497
 -12.000  -0.6148   0.04196   0.03276  -0.0991   0.7942   0.0503
 -11.750  -0.5964   0.04073   0.03140  -0.0986   0.7904   0.0511
 -11.500  -0.5758   0.03959   0.03015  -0.0986   0.7859   0.0519
 -11.250  -0.5561   0.03854   0.02896  -0.0982   0.7818   0.0531
 -11.000  -0.5359   0.03756   0.02781  -0.0978   0.7783   0.0543
 -10.750  -0.5134   0.03666   0.02682  -0.0974   0.7753   0.0554
 -10.500  -0.4912   0.03586   0.02601  -0.0970   0.7724   0.0565
 -10.250  -0.4691   0.03511   0.02528  -0.0969   0.7682   0.0577
 -10.000  -0.4486   0.03440   0.02454  -0.0964   0.7642   0.0589
  -9.750  -0.4296   0.03369   0.02376  -0.0957   0.7606   0.0603
  -9.500  -0.4117   0.03299   0.02297  -0.0948   0.7576   0.0618
  -9.250  -0.3967   0.03223   0.02217  -0.0937   0.7549   0.0634
  -9.000  -0.3822   0.03153   0.02149  -0.0929   0.7515   0.0656
  -8.750  -0.3677   0.03089   0.02083  -0.0921   0.7478   0.0682
  -8.500  -0.3535   0.03026   0.02014  -0.0911   0.7444   0.0710
  -8.250  -0.3428   0.02947   0.01937  -0.0897   0.7413   0.0740
  -8.000  -0.3310   0.02877   0.01860  -0.0881   0.7385   0.0777
  -7.750  -0.3208   0.02800   0.01780  -0.0864   0.7361   0.0827
  -7.500  -0.3109   0.02740   0.01722  -0.0848   0.7324   0.0902
  -7.250  -0.3044   0.02677   0.01670  -0.0827   0.7284   0.1020
  -7.000  -0.3016   0.02613   0.01619  -0.0799   0.7250   0.1207
  -6.750  -0.3033   0.02548   0.01571  -0.0762   0.7221   0.1523
  -6.500  -0.3052   0.02473   0.01517  -0.0723   0.7197   0.1976
  -6.250  -0.3079   0.02383   0.01457  -0.0683   0.7176   0.2586
  -6.000  -0.3133   0.02325   0.01443  -0.0640   0.7136   0.3324
  -5.750  -0.3130   0.02305   0.01485  -0.0599   0.7093   0.4275
  -5.500  -0.2986   0.02322   0.01519  -0.0575   0.7061   0.4920
  -5.250  -0.2809   0.02335   0.01529  -0.0558   0.7036   0.5255
  -5.000  -0.2618   0.02359   0.01548  -0.0541   0.7016   0.5561
  -4.750  -0.2434   0.02395   0.01576  -0.0521   0.7000   0.5879
  -4.500  -0.2158   0.02472   0.01654  -0.0509   0.6986   0.6121
  -4.250  -0.2088   0.02557   0.01741  -0.0480   0.6934   0.6267
  -4.000  -0.1881   0.02637   0.01821  -0.0464   0.6898   0.6391
  -3.750  -0.1662   0.02680   0.01858  -0.0452   0.6871   0.6494
  -3.500  -0.1425   0.02703   0.01872  -0.0443   0.6850   0.6576
  -3.250  -0.1226   0.02688   0.01843  -0.0435   0.6832   0.6649
  -3.000  -0.0943   0.02699   0.01846  -0.0434   0.6818   0.6687
  -2.750  -0.0673   0.02699   0.01836  -0.0433   0.6807   0.6732
  -2.500  -0.0824   0.02813   0.01954  -0.0383   0.6726   0.6797
  -2.250  -0.0675   0.02826   0.01959  -0.0369   0.6692   0.6845
  -2.000  -0.0441   0.02839   0.01967  -0.0364   0.6671   0.6876
  -1.750  -0.0197   0.02845   0.01966  -0.0360   0.6655   0.6914
  -1.500   0.0054   0.02841   0.01953  -0.0359   0.6641   0.6957
  -1.250  -0.0216   0.03005   0.02119  -0.0297   0.6552   0.7020
  -1.000  -0.0106   0.03056   0.02168  -0.0277   0.6511   0.7055
  -0.750   0.0115   0.03074   0.02182  -0.0271   0.6491   0.7091
  -0.500   0.0355   0.03083   0.02186  -0.0268   0.6476   0.7130
  -0.250   0.0619   0.03082   0.02178  -0.0270   0.6463   0.7173
   0.000   0.0227   0.03330   0.02430  -0.0197   0.6350   0.7235
   0.250   0.0426   0.03369   0.02468  -0.0190   0.6325   0.7271
   0.500   0.0662   0.03392   0.02488  -0.0187   0.6308   0.7313
   0.750   0.0925   0.03402   0.02494  -0.0188   0.6294   0.7358
   1.000   0.1208   0.03402   0.02487  -0.0192   0.6283   0.7407
   1.250   0.1475   0.03411   0.02493  -0.0193   0.6269   0.7447
   1.750   0.1391   0.03713   0.02804  -0.0133   0.6135   0.7556
   2.000   0.1667   0.03721   0.02807  -0.0136   0.6120   0.7614
   2.250   0.1950   0.03727   0.02813  -0.0138   0.6108   0.7656
   2.500   0.2239   0.03731   0.02818  -0.0140   0.6098   0.7702
   2.750   0.1960   0.04001   0.03095  -0.0092   0.5983   0.7774
   3.000   0.2214   0.04024   0.03117  -0.0093   0.5962   0.7835
   3.250   0.2472   0.04043   0.03139  -0.0092   0.5946   0.7888
   3.500   0.2750   0.04054   0.03152  -0.0093   0.5934   0.7953
   4.000   0.2800   0.04316   0.03423  -0.0054   0.5805   0.8097
   4.250   0.3062   0.04334   0.03443  -0.0055   0.5785   0.8171
   4.500   0.3348   0.04340   0.03452  -0.0057   0.5770   0.8242
   4.750   0.3643   0.04339   0.03455  -0.0059   0.5759   0.8318
   5.000   0.3461   0.04580   0.03704  -0.0025   0.5643   0.8425
   5.250   0.3714   0.04595   0.03726  -0.0023   0.5621   0.8514
   5.500   0.3997   0.04598   0.03733  -0.0025   0.5605   0.8615
   5.750   0.4295   0.04589   0.03731  -0.0027   0.5592   0.8714
   6.000   0.4152   0.04824   0.03976   0.0001   0.5474   0.8851
   6.250   0.4436   0.04829   0.03989  -0.0002   0.5452   0.8984
   6.500   0.4762   0.04821   0.03989  -0.0010   0.5437   0.9134
   7.000   0.5157   0.05062   0.04253  -0.0035   0.5300   0.9513
   7.250   0.5589   0.05055   0.04256  -0.0067   0.5280   0.9761
   7.750   0.5844   0.05257   0.04462  -0.0063   0.5141   1.0000
   8.000   0.6151   0.05234   0.04442  -0.0068   0.5120   1.0000
   8.500   0.6411   0.05420   0.04637  -0.0059   0.4976   1.0000
   8.750   0.6730   0.05376   0.04597  -0.0064   0.4956   1.0000
   9.000   0.6706   0.05581   0.04807  -0.0051   0.4834   1.0000
   9.250   0.7017   0.05529   0.04762  -0.0054   0.4808   1.0000
   9.750   0.7332   0.05654   0.04899  -0.0045   0.4658   1.0000
  10.000   0.7669   0.05558   0.04812  -0.0047   0.4636   1.0000
  10.500   0.7779   0.05866   0.05134  -0.0032   0.4411   1.0000
  11.000   0.8184   0.05898   0.05183  -0.0025   0.4270   1.0000
  11.250   0.8386   0.05909   0.05204  -0.0022   0.4191   1.0000
  11.750   0.8853   0.05842   0.05153  -0.0014   0.4003   1.0000
  12.000   0.9054   0.05826   0.05139  -0.0009   0.3834   1.0000
  12.250   0.9178   0.05901   0.05211  -0.0002   0.3587   1.0000
  12.500   0.9437   0.05815   0.05108   0.0005   0.3275   1.0000
  12.750   0.9622   0.05828   0.05100   0.0012   0.2961   1.0000
  13.250   0.9770   0.06133   0.05369   0.0025   0.2396   1.0000
  13.500   0.9790   0.06360   0.05582   0.0030   0.2134   1.0000
  13.750   0.9779   0.06628   0.05832   0.0035   0.1863   1.0000
  14.000   0.9770   0.06907   0.06098   0.0038   0.1612   1.0000
  14.250   0.9753   0.07204   0.06380   0.0040   0.1369   1.0000
  14.500   0.9725   0.07521   0.06682   0.0041   0.1137   1.0000
  14.750   0.9710   0.07831   0.06980   0.0040   0.0942   1.0000
  15.000   0.9695   0.08150   0.07288   0.0039   0.0790   1.0000
  15.250   0.9698   0.08452   0.07586   0.0037   0.0686   1.0000
  15.500   0.9706   0.08755   0.07886   0.0034   0.0620   1.0000
  15.750   0.9722   0.09052   0.08184   0.0031   0.0567   1.0000
  16.000   0.9750   0.09339   0.08475   0.0026   0.0530   1.0000
  16.250   0.9775   0.09632   0.08771   0.0021   0.0501   1.0000
  16.500   0.9805   0.09919   0.09062   0.0015   0.0475   1.0000
  16.750   0.9852   0.10183   0.09334   0.0010   0.0455   1.0000
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