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NASA/LANGLEY LS(1)-0421MOD AIRFOIL (ls421mod-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NASA/LANGLEY LS(1)-0421MOD AIRFOIL (ls421mod-il)
Reynolds number: 200,000
Max Cl/Cd: 51.9 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-ls421mod-il-200000.txt
Download as CSV file: xf-ls421mod-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NASA/LANGLEY LS(1)-0421MOD AIRFOIL              
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -0.7269   0.11013   0.10526  -0.0511   1.0000   0.0514
 -17.250  -0.7755   0.09748   0.09239  -0.0587   1.0000   0.0509
 -17.000  -0.8195   0.08694   0.08156  -0.0649   1.0000   0.0506
 -16.750  -0.8553   0.07871   0.07306  -0.0691   1.0000   0.0504
 -16.500  -0.8838   0.07217   0.06626  -0.0719   1.0000   0.0503
 -16.250  -0.9069   0.06683   0.06066  -0.0737   1.0000   0.0504
 -16.000  -0.9250   0.06234   0.05593  -0.0746   1.0000   0.0505
 -15.750  -0.9390   0.05846   0.05181  -0.0751   1.0000   0.0506
 -15.500  -0.9500   0.05505   0.04816  -0.0751   1.0000   0.0509
 -15.250  -0.9593   0.05200   0.04486  -0.0748   1.0000   0.0512
 -15.000  -0.9671   0.04930   0.04191  -0.0742   1.0000   0.0514
 -14.750  -0.9469   0.04762   0.04027  -0.0739   1.0000   0.0521
 -14.500  -0.9330   0.04613   0.03878  -0.0735   1.0000   0.0527
 -14.250  -0.9220   0.04464   0.03725  -0.0730   1.0000   0.0535
 -14.000  -0.9113   0.04319   0.03576  -0.0724   1.0000   0.0543
 -13.750  -0.9030   0.04168   0.03414  -0.0715   1.0000   0.0552
 -13.500  -0.8974   0.04015   0.03245  -0.0704   1.0000   0.0561
 -13.250  -0.8956   0.03871   0.03083  -0.0687   1.0000   0.0569
 -13.000  -0.8709   0.03771   0.02995  -0.0682   1.0000   0.0581
 -12.750  -0.8581   0.03687   0.02916  -0.0668   1.0000   0.0591
 -12.500  -0.8531   0.03612   0.02841  -0.0643   1.0000   0.0601
 -12.250  -0.8606   0.03570   0.02798  -0.0599   1.0000   0.0608
 -12.000  -0.8825   0.03567   0.02794  -0.0534   1.0000   0.0611
 -11.750  -0.8531   0.03439   0.02647  -0.0555   0.9956   0.0629
 -11.500  -0.8131   0.03335   0.02559  -0.0579   0.9929   0.0649
 -11.250  -0.7787   0.03227   0.02451  -0.0604   0.9883   0.0675
 -11.000  -0.7439   0.03113   0.02333  -0.0628   0.9830   0.0703
 -10.750  -0.7065   0.03008   0.02238  -0.0657   0.9791   0.0736
 -10.500  -0.6704   0.02898   0.02124  -0.0683   0.9749   0.0773
 -10.250  -0.6385   0.02794   0.02030  -0.0703   0.9678   0.0813
 -10.000  -0.6043   0.02680   0.01920  -0.0728   0.9624   0.0865
  -9.750  -0.5771   0.02588   0.01824  -0.0740   0.9526   0.0924
  -9.500  -0.5499   0.02477   0.01724  -0.0752   0.9445   0.0992
  -9.250  -0.5322   0.02385   0.01638  -0.0747   0.9320   0.1062
  -9.000  -0.5146   0.02296   0.01553  -0.0740   0.9217   0.1149
  -8.750  -0.5017   0.02222   0.01481  -0.0724   0.9093   0.1243
  -8.500  -0.4862   0.02144   0.01408  -0.0714   0.8988   0.1359
  -8.250  -0.4700   0.02065   0.01336  -0.0705   0.8880   0.1494
  -8.000  -0.4520   0.01990   0.01269  -0.0700   0.8786   0.1660
  -7.750  -0.4325   0.01916   0.01203  -0.0698   0.8685   0.1860
  -7.500  -0.4106   0.01839   0.01133  -0.0699   0.8611   0.2100
  -7.250  -0.3887   0.01766   0.01078  -0.0702   0.8508   0.2395
  -7.000  -0.3642   0.01685   0.01014  -0.0708   0.8425   0.2772
  -6.750  -0.3380   0.01607   0.00960  -0.0718   0.8345   0.3258
  -6.500  -0.3098   0.01534   0.00915  -0.0730   0.8255   0.3843
  -6.250  -0.2801   0.01475   0.00887  -0.0740   0.8183   0.4484
  -6.000  -0.2509   0.01460   0.00897  -0.0743   0.8099   0.5030
  -5.750  -0.2213   0.01470   0.00916  -0.0743   0.8011   0.5416
  -5.500  -0.1913   0.01489   0.00931  -0.0741   0.7942   0.5676
  -5.250  -0.1619   0.01516   0.00957  -0.0741   0.7851   0.5874
  -5.000  -0.1309   0.01537   0.00968  -0.0743   0.7768   0.6046
  -4.750  -0.1051   0.01590   0.01018  -0.0726   0.7700   0.6141
  -4.500  -0.0754   0.01619   0.01044  -0.0726   0.7605   0.6271
  -4.250  -0.0505   0.01680   0.01103  -0.0706   0.7527   0.6344
  -4.000  -0.0192   0.01704   0.01114  -0.0711   0.7458   0.6464
  -3.750   0.0044   0.01761   0.01175  -0.0690   0.7370   0.6505
  -3.500   0.0304   0.01808   0.01217  -0.0674   0.7295   0.6563
  -3.250   0.0624   0.01820   0.01216  -0.0683   0.7223   0.6673
  -3.000   0.0851   0.01875   0.01274  -0.0660   0.7138   0.6705
  -2.750   0.1104   0.01918   0.01312  -0.0643   0.7070   0.6744
  -2.500   0.1375   0.01953   0.01341  -0.0635   0.7000   0.6807
  -2.250   0.1671   0.01960   0.01344  -0.0639   0.6913   0.6896
  -2.000   0.1897   0.02014   0.01393  -0.0613   0.6844   0.6929
  -1.750   0.2132   0.02064   0.01441  -0.0592   0.6774   0.6968
  -1.500   0.2420   0.02071   0.01446  -0.0594   0.6691   0.7043
  -1.250   0.2735   0.02055   0.01417  -0.0605   0.6621   0.7113
  -1.000   0.2968   0.02082   0.01443  -0.0587   0.6547   0.7138
  -0.750   0.3213   0.02097   0.01458  -0.0574   0.6464   0.7168
  -0.500   0.3492   0.02099   0.01451  -0.0571   0.6395   0.7210
  -0.250   0.3858   0.02072   0.01417  -0.0602   0.6309   0.7295
   0.000   0.4128   0.02063   0.01404  -0.0600   0.6226   0.7330
   0.250   0.4368   0.02078   0.01409  -0.0583   0.6160   0.7354
   0.500   0.4591   0.02094   0.01432  -0.0567   0.6075   0.7388
   0.750   0.4860   0.02098   0.01432  -0.0563   0.5997   0.7434
   1.000   0.5206   0.02086   0.01408  -0.0584   0.5924   0.7490
   1.250   0.5534   0.02067   0.01389  -0.0603   0.5832   0.7539
   1.500   0.5775   0.02067   0.01384  -0.0590   0.5760   0.7559
   1.750   0.6023   0.02072   0.01389  -0.0583   0.5679   0.7581
   2.000   0.6280   0.02072   0.01388  -0.0577   0.5591   0.7610
   2.250   0.6573   0.02072   0.01376  -0.0581   0.5508   0.7646
   2.500   0.6878   0.02061   0.01368  -0.0592   0.5401   0.7686
   2.750   0.7280   0.02052   0.01341  -0.0627   0.5311   0.7730
   3.000   0.7512   0.02047   0.01345  -0.0618   0.5217   0.7754
   3.250   0.7747   0.02048   0.01342  -0.0607   0.5135   0.7775
   3.500   0.7997   0.02053   0.01347  -0.0602   0.5048   0.7798
   3.750   0.8261   0.02053   0.01347  -0.0601   0.4955   0.7825
   4.000   0.8548   0.02059   0.01347  -0.0605   0.4868   0.7858
   4.250   0.8850   0.02060   0.01350  -0.0615   0.4764   0.7896
   4.500   0.9214   0.02067   0.01347  -0.0640   0.4670   0.7931
   4.750   0.9453   0.02067   0.01352  -0.0635   0.4567   0.7954
   5.000   0.9677   0.02078   0.01354  -0.0624   0.4481   0.7976
   5.250   0.9890   0.02085   0.01371  -0.0612   0.4376   0.8002
   5.500   1.0146   0.02100   0.01376  -0.0611   0.4281   0.8029
   5.750   1.0397   0.02110   0.01394  -0.0610   0.4167   0.8058
   6.000   1.0675   0.02129   0.01406  -0.0616   0.4060   0.8089
   6.250   1.0975   0.02152   0.01426  -0.0630   0.3936   0.8126
   6.500   1.1167   0.02169   0.01446  -0.0616   0.3824   0.8151
   6.750   1.1342   0.02195   0.01464  -0.0599   0.3714   0.8176
   7.000   1.1521   0.02220   0.01496  -0.0585   0.3591   0.8202
   7.250   1.1705   0.02256   0.01528  -0.0574   0.3471   0.8231
   7.500   1.1885   0.02298   0.01565  -0.0564   0.3343   0.8263
   7.750   1.2061   0.02343   0.01612  -0.0555   0.3209   0.8297
   8.000   1.2193   0.02397   0.01662  -0.0540   0.3085   0.8327
   8.250   1.2266   0.02460   0.01720  -0.0511   0.2969   0.8354
   8.500   1.2369   0.02532   0.01795  -0.0490   0.2845   0.8386
   8.750   1.2481   0.02623   0.01882  -0.0475   0.2731   0.8423
   9.000   1.2603   0.02730   0.01981  -0.0465   0.2620   0.8460
   9.250   1.2765   0.02840   0.02092  -0.0464   0.2507   0.8493
   9.500   1.2848   0.02952   0.02197  -0.0447   0.2420   0.8519
   9.750   1.2943   0.03059   0.02310  -0.0433   0.2333   0.8547
  10.000   1.3036   0.03185   0.02428  -0.0420   0.2258   0.8579
  10.250   1.3156   0.03308   0.02558  -0.0414   0.2181   0.8612
  10.500   1.3280   0.03449   0.02687  -0.0410   0.2114   0.8646
  10.750   1.3401   0.03582   0.02831  -0.0406   0.2051   0.8677
  11.000   1.3475   0.03711   0.02961  -0.0392   0.1997   0.8709
  11.250   1.3577   0.03843   0.03088  -0.0382   0.1946   0.8746
  11.500   1.3683   0.03990   0.03245  -0.0377   0.1895   0.8783
  11.750   1.3807   0.04143   0.03397  -0.0377   0.1849   0.8817
  12.000   1.3928   0.04266   0.03513  -0.0369   0.1806   0.8846
  12.250   1.3996   0.04425   0.03686  -0.0361   0.1766   0.8879
  12.500   1.4087   0.04582   0.03847  -0.0356   0.1727   0.8914
  12.750   1.4220   0.04718   0.03976  -0.0353   0.1690   0.8949
  13.000   1.4339   0.04875   0.04138  -0.0351   0.1655   0.8984
  13.250   1.4391   0.05044   0.04319  -0.0342   0.1624   0.9021
  13.500   1.4476   0.05204   0.04485  -0.0337   0.1593   0.9064
  13.750   1.4609   0.05344   0.04621  -0.0336   0.1563   0.9105
  14.000   1.4743   0.05467   0.04743  -0.0330   0.1533   0.9142
  14.250   1.4764   0.05691   0.04983  -0.0326   0.1508   0.9181
  14.500   1.4830   0.05891   0.05193  -0.0325   0.1480   0.9223
  14.750   1.4932   0.06067   0.05371  -0.0326   0.1455   0.9264
  15.000   1.5062   0.06161   0.05459  -0.0317   0.1431   0.9315
  15.250   1.5158   0.06328   0.05632  -0.0313   0.1408   0.9369
  15.500   1.5154   0.06599   0.05922  -0.0313   0.1389   0.9420
  15.750   1.5175   0.06831   0.06166  -0.0310   0.1368   0.9479
  16.000   1.5239   0.07036   0.06378  -0.0311   0.1348   0.9539
  16.250   1.5325   0.07176   0.06519  -0.0306   0.1329   0.9619
  16.500   1.5511   0.07206   0.06539  -0.0297   0.1309   0.9743
  16.750   1.5496   0.07500   0.06850  -0.0302   0.1292   1.0000
  17.000   1.5443   0.07911   0.07283  -0.0317   0.1276   1.0000
  17.250   1.5433   0.08279   0.07667  -0.0332   0.1258   1.0000
  17.500   1.5470   0.08590   0.07988  -0.0345   0.1241   1.0000
  17.750   1.5568   0.08822   0.08223  -0.0355   0.1226   1.0000
  18.000   1.5746   0.08949   0.08347  -0.0362   0.1210   1.0000
  18.250   1.5964   0.09028   0.08419  -0.0362   0.1194   1.0000
  18.500   1.5773   0.09624   0.09045  -0.0387   0.1184   1.0000
  18.750   1.5580   0.10248   0.09695  -0.0415   0.1172   1.0000
  19.000   1.5391   0.10887   0.10358  -0.0446   0.1159   1.0000
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