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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 1,000,000
Max Cl/Cd: 107.46 at α=5.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca4418-il-1000000-n5.txt
Download as CSV file: xf-naca4418-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.9676   0.08506   0.08148  -0.0813   1.0000   0.0280
 -18.750  -1.0014   0.07702   0.07333  -0.0857   1.0000   0.0281
 -18.500  -1.0426   0.06836   0.06451  -0.0905   1.0000   0.0281
 -18.250  -1.0844   0.05978   0.05577  -0.0951   1.0000   0.0281
 -18.000  -1.1206   0.05186   0.04769  -0.0995   1.0000   0.0282
 -17.750  -1.1470   0.04529   0.04097  -0.1031   1.0000   0.0282
 -17.500  -1.1665   0.04007   0.03563  -0.1056   1.0000   0.0283
 -17.250  -1.1824   0.03602   0.03146  -0.1067   1.0000   0.0284
 -17.000  -1.1932   0.03282   0.02817  -0.1072   0.9996   0.0286
 -16.750  -1.1827   0.03012   0.02536  -0.1101   0.9975   0.0288
 -16.500  -1.1688   0.02798   0.02314  -0.1124   0.9953   0.0290
 -16.250  -1.1519   0.02626   0.02134  -0.1144   0.9935   0.0293
 -16.000  -1.1340   0.02484   0.01984  -0.1158   0.9914   0.0296
 -15.750  -1.1173   0.02367   0.01860  -0.1164   0.9878   0.0298
 -15.500  -1.1012   0.02242   0.01730  -0.1169   0.9839   0.0302
 -15.250  -1.0820   0.02138   0.01620  -0.1173   0.9809   0.0306
 -15.000  -1.0682   0.02057   0.01534  -0.1162   0.9748   0.0310
 -14.750  -1.0511   0.01984   0.01457  -0.1154   0.9697   0.0313
 -14.500  -1.0347   0.01923   0.01391  -0.1142   0.9646   0.0317
 -14.250  -1.0171   0.01867   0.01330  -0.1130   0.9587   0.0321
 -14.000  -0.9966   0.01813   0.01271  -0.1122   0.9539   0.0326
 -13.750  -0.9766   0.01765   0.01219  -0.1113   0.9485   0.0330
 -13.500  -0.9556   0.01721   0.01169  -0.1104   0.9427   0.0334
 -13.250  -0.9343   0.01671   0.01114  -0.1096   0.9375   0.0340
 -13.000  -0.9130   0.01624   0.01065  -0.1088   0.9316   0.0348
 -12.750  -0.8908   0.01581   0.01018  -0.1081   0.9251   0.0356
 -12.500  -0.8676   0.01541   0.00973  -0.1075   0.9194   0.0364
 -12.250  -0.8440   0.01505   0.00934  -0.1069   0.9128   0.0372
 -12.000  -0.8203   0.01467   0.00892  -0.1063   0.9057   0.0382
 -11.750  -0.7964   0.01430   0.00851  -0.1057   0.8988   0.0394
 -11.500  -0.7719   0.01396   0.00814  -0.1052   0.8906   0.0407
 -11.250  -0.7470   0.01366   0.00779  -0.1048   0.8828   0.0420
 -11.000  -0.7222   0.01333   0.00743  -0.1043   0.8746   0.0438
 -10.750  -0.6969   0.01305   0.00711  -0.1039   0.8664   0.0457
 -10.500  -0.6713   0.01276   0.00680  -0.1035   0.8587   0.0477
 -10.250  -0.6456   0.01250   0.00650  -0.1031   0.8502   0.0501
 -10.000  -0.6196   0.01225   0.00623  -0.1028   0.8425   0.0525
  -9.750  -0.5934   0.01201   0.00598  -0.1025   0.8340   0.0554
  -9.500  -0.5671   0.01180   0.00573  -0.1022   0.8259   0.0579
  -9.250  -0.5404   0.01159   0.00551  -0.1020   0.8174   0.0605
  -9.000  -0.5137   0.01144   0.00529  -0.1017   0.8088   0.0626
  -8.750  -0.4867   0.01123   0.00508  -0.1015   0.8006   0.0650
  -8.500  -0.4598   0.01108   0.00489  -0.1012   0.7915   0.0672
  -8.250  -0.4325   0.01093   0.00470  -0.1011   0.7835   0.0691
  -8.000  -0.4056   0.01077   0.00451  -0.1008   0.7741   0.0714
  -7.750  -0.3783   0.01064   0.00435  -0.1006   0.7655   0.0736
  -7.500  -0.3508   0.01052   0.00419  -0.1005   0.7563   0.0755
  -7.250  -0.3239   0.01038   0.00402  -0.1002   0.7470   0.0779
  -7.000  -0.2963   0.01025   0.00387  -0.1001   0.7375   0.0801
  -6.750  -0.2691   0.01016   0.00373  -0.0998   0.7281   0.0820
  -6.500  -0.2414   0.01004   0.00359  -0.0997   0.7187   0.0841
  -6.250  -0.2144   0.00994   0.00345  -0.0994   0.7084   0.0866
  -6.000  -0.1866   0.00984   0.00333  -0.0993   0.6987   0.0893
  -5.750  -0.1594   0.00977   0.00321  -0.0991   0.6889   0.0923
  -5.500  -0.1319   0.00965   0.00309  -0.0989   0.6788   0.0966
  -5.250  -0.1047   0.00959   0.00298  -0.0987   0.6684   0.1002
  -5.000  -0.0771   0.00947   0.00287  -0.0986   0.6586   0.1049
  -4.750  -0.0498   0.00942   0.00278  -0.0983   0.6486   0.1090
  -4.500  -0.0223   0.00933   0.00268  -0.0982   0.6383   0.1142
  -4.250   0.0049   0.00928   0.00260  -0.0980   0.6281   0.1198
  -4.000   0.0325   0.00918   0.00252  -0.0978   0.6186   0.1282
  -3.750   0.0595   0.00911   0.00245  -0.0976   0.6088   0.1379
  -3.500   0.0871   0.00904   0.00239  -0.0974   0.5990   0.1485
  -3.250   0.1142   0.00901   0.00235  -0.0972   0.5895   0.1589
  -3.000   0.1421   0.00895   0.00230  -0.0971   0.5810   0.1697
  -2.500   0.1973   0.00891   0.00225  -0.0968   0.5632   0.1854
  -2.250   0.2248   0.00891   0.00223  -0.0967   0.5545   0.1917
  -2.000   0.2526   0.00889   0.00221  -0.0965   0.5472   0.1989
  -1.750   0.2804   0.00889   0.00219  -0.0964   0.5389   0.2048
  -1.500   0.3076   0.00890   0.00219  -0.0962   0.5309   0.2128
  -1.250   0.3357   0.00888   0.00218  -0.0962   0.5244   0.2199
  -1.000   0.3631   0.00887   0.00218  -0.0960   0.5169   0.2300
  -0.750   0.3904   0.00887   0.00220  -0.0958   0.5098   0.2432
  -0.500   0.4182   0.00884   0.00221  -0.0958   0.5033   0.2598
  -0.250   0.4454   0.00885   0.00224  -0.0956   0.4963   0.2764
   0.000   0.4727   0.00886   0.00227  -0.0954   0.4899   0.2925
   0.250   0.5003   0.00884   0.00230  -0.0953   0.4836   0.3107
   0.500   0.5274   0.00885   0.00234  -0.0951   0.4769   0.3281
   1.000   0.5821   0.00888   0.00243  -0.0948   0.4647   0.3578
   1.250   0.6090   0.00891   0.00248  -0.0946   0.4582   0.3732
   1.500   0.6358   0.00894   0.00254  -0.0944   0.4521   0.3929
   1.750   0.6630   0.00892   0.00260  -0.0942   0.4462   0.4207
   2.000   0.6894   0.00892   0.00267  -0.0939   0.4397   0.4575
   2.250   0.7155   0.00892   0.00276  -0.0936   0.4335   0.4966
   2.500   0.7424   0.00891   0.00285  -0.0934   0.4273   0.5320
   2.750   0.7683   0.00896   0.00295  -0.0930   0.4198   0.5631
   3.000   0.7941   0.00900   0.00305  -0.0927   0.4119   0.5966
   3.250   0.8196   0.00907   0.00317  -0.0922   0.4025   0.6271
   3.500   0.8449   0.00913   0.00329  -0.0917   0.3950   0.6592
   3.750   0.8704   0.00912   0.00342  -0.0913   0.3884   0.7100
   4.000   0.8946   0.00916   0.00357  -0.0905   0.3816   0.7616
   4.250   0.9193   0.00920   0.00372  -0.0899   0.3756   0.8009
   4.500   0.9432   0.00925   0.00387  -0.0890   0.3686   0.8395
   4.750   0.9646   0.00934   0.00405  -0.0876   0.3619   0.8856
   5.000   0.9853   0.00940   0.00422  -0.0859   0.3563   0.9380
   5.250   1.0140   0.00958   0.00440  -0.0861   0.3481   0.9761
   5.500   1.0489   0.00980   0.00459  -0.0878   0.3409   0.9974
   5.750   1.0714   0.00997   0.00474  -0.0868   0.3339   1.0000
   6.000   1.0909   0.01021   0.00493  -0.0853   0.3259   1.0000
   6.250   1.1130   0.01040   0.00510  -0.0843   0.3190   1.0000
   6.500   1.1330   0.01069   0.00533  -0.0829   0.3094   1.0000
   6.750   1.1537   0.01096   0.00556  -0.0817   0.2982   1.0000
   7.000   1.1736   0.01129   0.00583  -0.0803   0.2870   1.0000
   7.250   1.1932   0.01164   0.00613  -0.0790   0.2761   1.0000
   7.500   1.2131   0.01199   0.00643  -0.0778   0.2647   1.0000
   7.750   1.2312   0.01243   0.00679  -0.0763   0.2506   1.0000
   8.000   1.2476   0.01295   0.00722  -0.0745   0.2346   1.0000
   8.250   1.2634   0.01352   0.00769  -0.0728   0.2181   1.0000
   8.500   1.2796   0.01408   0.00818  -0.0711   0.2048   1.0000
   8.750   1.2964   0.01462   0.00867  -0.0696   0.1948   1.0000
   9.000   1.3138   0.01514   0.00915  -0.0682   0.1854   1.0000
   9.250   1.3305   0.01570   0.00968  -0.0667   0.1770   1.0000
   9.500   1.3458   0.01635   0.01027  -0.0652   0.1679   1.0000
   9.750   1.3627   0.01692   0.01083  -0.0638   0.1608   1.0000
  10.000   1.3781   0.01759   0.01147  -0.0624   0.1538   1.0000
  10.250   1.3941   0.01824   0.01211  -0.0610   0.1474   1.0000
  10.500   1.4086   0.01899   0.01283  -0.0596   0.1409   1.0000
  10.750   1.4233   0.01974   0.01357  -0.0582   0.1343   1.0000
  11.000   1.4369   0.02059   0.01440  -0.0568   0.1279   1.0000
  11.250   1.4490   0.02153   0.01532  -0.0552   0.1207   1.0000
  11.500   1.4610   0.02251   0.01628  -0.0537   0.1136   1.0000
  11.750   1.4712   0.02364   0.01738  -0.0522   0.1065   1.0000
  12.000   1.4800   0.02489   0.01861  -0.0506   0.0992   1.0000
  12.250   1.4900   0.02609   0.01980  -0.0492   0.0930   1.0000
  12.500   1.4987   0.02742   0.02112  -0.0477   0.0877   1.0000
  12.750   1.5066   0.02886   0.02256  -0.0464   0.0827   1.0000
  13.000   1.5158   0.03026   0.02397  -0.0452   0.0785   1.0000
  13.250   1.5224   0.03188   0.02559  -0.0439   0.0743   1.0000
  13.500   1.5305   0.03343   0.02717  -0.0428   0.0708   1.0000
  13.750   1.5363   0.03523   0.02898  -0.0417   0.0672   1.0000
  14.000   1.5438   0.03693   0.03070  -0.0408   0.0641   1.0000
  14.250   1.5483   0.03894   0.03273  -0.0399   0.0610   1.0000
  14.500   1.5540   0.04087   0.03469  -0.0391   0.0584   1.0000
  14.750   1.5580   0.04301   0.03685  -0.0383   0.0556   1.0000
  15.000   1.5620   0.04520   0.03908  -0.0376   0.0534   1.0000
  15.250   1.5652   0.04752   0.04144  -0.0370   0.0512   1.0000
  15.500   1.5669   0.05003   0.04398  -0.0364   0.0493   1.0000
  15.750   1.5707   0.05234   0.04634  -0.0360   0.0478   1.0000
  16.000   1.5724   0.05493   0.04898  -0.0356   0.0463   1.0000
  16.250   1.5727   0.05772   0.05181  -0.0353   0.0449   1.0000
  16.500   1.5739   0.06043   0.05457  -0.0350   0.0438   1.0000
  16.750   1.5748   0.06320   0.05740  -0.0349   0.0428   1.0000
  17.000   1.5744   0.06616   0.06042  -0.0348   0.0419   1.0000
  17.250   1.5736   0.06918   0.06349  -0.0347   0.0409   1.0000
  17.500   1.5711   0.07245   0.06682  -0.0348   0.0401   1.0000
  17.750   1.5689   0.07574   0.07018  -0.0349   0.0394   1.0000
  18.000   1.5683   0.07880   0.07330  -0.0351   0.0388   1.0000
  18.250   1.5657   0.08215   0.07673  -0.0353   0.0381   1.0000
  18.500   1.5625   0.08563   0.08027  -0.0357   0.0375   1.0000
  18.750   1.5596   0.08907   0.08377  -0.0361   0.0368   1.0000
  19.000   1.5542   0.09289   0.08766  -0.0367   0.0363   1.0000
  19.250   1.5492   0.09666   0.09148  -0.0373   0.0357   1.0000
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