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


Details Polar file
Airfoil: NASA/LANGLEY LS(1)-0421MOD AIRFOIL (ls421mod-il)
Reynolds number: 1,000,000
Max Cl/Cd: 99.96 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-ls421mod-il-1000000.txt
Download as CSV file: xf-ls421mod-il-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.1342   0.08234   0.07799  -0.0506   1.0000   0.0236
 -19.500  -1.1377   0.07837   0.07395  -0.0523   1.0000   0.0238
 -19.250  -1.1404   0.07455   0.07005  -0.0539   1.0000   0.0239
 -19.000  -1.1421   0.07088   0.06631  -0.0553   1.0000   0.0240
 -18.750  -1.1425   0.06747   0.06282  -0.0566   1.0000   0.0242
 -18.500  -1.1416   0.06429   0.05958  -0.0577   1.0000   0.0244
 -18.250  -1.1399   0.06125   0.05647  -0.0588   1.0000   0.0245
 -18.000  -1.1373   0.05835   0.05351  -0.0597   1.0000   0.0247
 -17.750  -1.1332   0.05570   0.05078  -0.0605   1.0000   0.0248
 -17.500  -1.1277   0.05325   0.04828  -0.0611   1.0000   0.0250
 -17.250  -1.1216   0.05091   0.04587  -0.0617   1.0000   0.0251
 -17.000  -1.1136   0.04881   0.04372  -0.0622   1.0000   0.0253
 -16.750  -1.1136   0.04600   0.04084  -0.0626   1.0000   0.0255
 -16.500  -1.1122   0.04338   0.03818  -0.0629   1.0000   0.0258
 -16.250  -1.1067   0.04122   0.03598  -0.0630   1.0000   0.0261
 -16.000  -1.0991   0.03930   0.03403  -0.0632   1.0000   0.0264
 -15.750  -1.0893   0.03764   0.03233  -0.0632   1.0000   0.0267
 -15.500  -1.0787   0.03609   0.03075  -0.0632   1.0000   0.0271
 -15.250  -1.0667   0.03468   0.02932  -0.0631   1.0000   0.0274
 -15.000  -1.0548   0.03330   0.02791  -0.0630   1.0000   0.0278
 -14.750  -1.0417   0.03208   0.02665  -0.0627   1.0000   0.0282
 -14.500  -1.0287   0.03088   0.02542  -0.0625   1.0000   0.0285
 -14.250  -1.0144   0.02981   0.02432  -0.0622   1.0000   0.0288
 -14.000  -1.0028   0.02858   0.02305  -0.0617   1.0000   0.0291
 -13.750  -0.9946   0.02714   0.02160  -0.0610   1.0000   0.0297
 -13.500  -0.9828   0.02603   0.02049  -0.0604   1.0000   0.0302
 -13.250  -0.9643   0.02499   0.01944  -0.0609   0.9930   0.0307
 -13.000  -0.9373   0.02404   0.01846  -0.0626   0.9757   0.0314
 -12.750  -0.9164   0.02319   0.01756  -0.0629   0.9509   0.0320
 -12.500  -0.9008   0.02245   0.01672  -0.0619   0.9266   0.0325
 -12.250  -0.8845   0.02175   0.01593  -0.0611   0.9079   0.0330
 -12.000  -0.8709   0.02079   0.01491  -0.0602   0.8920   0.0338
 -11.750  -0.8540   0.02006   0.01412  -0.0596   0.8786   0.0346
 -11.500  -0.8355   0.01942   0.01342  -0.0590   0.8660   0.0355
 -11.250  -0.8161   0.01881   0.01276  -0.0586   0.8553   0.0363
 -11.000  -0.7961   0.01826   0.01214  -0.0581   0.8447   0.0371
 -10.750  -0.7798   0.01751   0.01137  -0.0573   0.8350   0.0384
 -10.500  -0.7629   0.01696   0.01079  -0.0564   0.8255   0.0396
 -10.250  -0.7409   0.01649   0.01026  -0.0562   0.8164   0.0410
 -10.000  -0.7179   0.01592   0.00968  -0.0563   0.8093   0.0428
  -9.750  -0.6937   0.01541   0.00917  -0.0566   0.8012   0.0449
  -9.500  -0.6683   0.01496   0.00867  -0.0570   0.7929   0.0473
  -9.250  -0.6418   0.01447   0.00820  -0.0576   0.7863   0.0504
  -9.000  -0.6146   0.01401   0.00774  -0.0583   0.7783   0.0543
  -8.750  -0.5868   0.01361   0.00732  -0.0590   0.7700   0.0591
  -8.500  -0.5577   0.01319   0.00693  -0.0600   0.7636   0.0649
  -8.250  -0.5285   0.01280   0.00656  -0.0608   0.7563   0.0715
  -8.000  -0.4993   0.01247   0.00622  -0.0617   0.7483   0.0791
  -7.750  -0.4693   0.01210   0.00591  -0.0626   0.7417   0.0878
  -7.500  -0.4391   0.01177   0.00561  -0.0635   0.7338   0.0980
  -7.250  -0.4088   0.01148   0.00534  -0.0644   0.7253   0.1100
  -7.000  -0.3777   0.01114   0.00507  -0.0655   0.7180   0.1240
  -6.750  -0.3464   0.01082   0.00481  -0.0666   0.7094   0.1399
  -6.500  -0.3148   0.01054   0.00457  -0.0678   0.7015   0.1576
  -6.250  -0.2826   0.01025   0.00436  -0.0690   0.6947   0.1759
  -6.000  -0.2501   0.00995   0.00413  -0.0703   0.6868   0.1972
  -5.750  -0.2172   0.00966   0.00392  -0.0717   0.6790   0.2239
  -5.500  -0.1833   0.00930   0.00370  -0.0734   0.6719   0.2574
  -5.250  -0.1489   0.00894   0.00348  -0.0752   0.6643   0.2978
  -5.000  -0.1139   0.00858   0.00327  -0.0772   0.6571   0.3439
  -4.750  -0.0779   0.00820   0.00307  -0.0793   0.6502   0.3913
  -4.500  -0.0406   0.00778   0.00287  -0.0818   0.6420   0.4573
  -4.250  -0.0048   0.00752   0.00276  -0.0837   0.6342   0.5066
  -4.000   0.0295   0.00741   0.00272  -0.0851   0.6267   0.5394
  -3.750   0.0623   0.00740   0.00271  -0.0860   0.6187   0.5593
  -3.500   0.0949   0.00740   0.00272  -0.0869   0.6118   0.5728
  -3.250   0.1271   0.00743   0.00271  -0.0877   0.6044   0.5837
  -3.000   0.1591   0.00748   0.00274  -0.0885   0.5960   0.5950
  -2.750   0.1913   0.00752   0.00275  -0.0892   0.5892   0.6029
  -2.500   0.2231   0.00755   0.00276  -0.0900   0.5816   0.6089
  -2.250   0.2545   0.00763   0.00280  -0.0906   0.5726   0.6150
  -2.000   0.2864   0.00768   0.00282  -0.0913   0.5655   0.6210
  -1.750   0.3181   0.00776   0.00284  -0.0920   0.5577   0.6257
  -1.500   0.3492   0.00782   0.00290  -0.0925   0.5504   0.6313
  -1.250   0.3808   0.00788   0.00295  -0.0932   0.5438   0.6358
  -1.000   0.4120   0.00797   0.00299  -0.0938   0.5361   0.6399
  -0.750   0.4434   0.00808   0.00305  -0.0944   0.5290   0.6440
  -0.500   0.4747   0.00812   0.00309  -0.0950   0.5221   0.6491
  -0.250   0.5053   0.00823   0.00317  -0.0954   0.5136   0.6533
   0.000   0.5364   0.00831   0.00323  -0.0960   0.5050   0.6561
   0.250   0.5672   0.00841   0.00328  -0.0965   0.4948   0.6587
   0.500   0.5980   0.00852   0.00334  -0.0971   0.4858   0.6613
   0.750   0.6289   0.00862   0.00341  -0.0976   0.4771   0.6640
   1.000   0.6595   0.00878   0.00349  -0.0982   0.4681   0.6660
   1.250   0.6902   0.00880   0.00353  -0.0987   0.4599   0.6699
   1.500   0.7201   0.00895   0.00362  -0.0991   0.4496   0.6728
   1.750   0.7506   0.00904   0.00371  -0.0996   0.4413   0.6753
   2.000   0.7805   0.00919   0.00381  -0.0999   0.4313   0.6776
   2.250   0.8108   0.00930   0.00390  -0.1004   0.4228   0.6797
   2.500   0.8406   0.00946   0.00400  -0.1008   0.4126   0.6819
   2.750   0.8707   0.00960   0.00411  -0.1013   0.4039   0.6841
   3.000   0.9003   0.00977   0.00423  -0.1016   0.3941   0.6859
   3.250   0.9300   0.00993   0.00435  -0.1020   0.3851   0.6873
   3.500   0.9592   0.01007   0.00445  -0.1024   0.3749   0.6906
   3.750   0.9883   0.01022   0.00459  -0.1027   0.3662   0.6933
   4.000   1.0170   0.01041   0.00475  -0.1029   0.3560   0.6956
   4.250   1.0457   0.01060   0.00491  -0.1031   0.3462   0.6978
   4.500   1.0738   0.01083   0.00509  -0.1032   0.3348   0.6999
   4.750   1.1022   0.01103   0.00525  -0.1034   0.3242   0.7020
   5.000   1.1296   0.01130   0.00546  -0.1035   0.3113   0.7041
   5.250   1.1565   0.01161   0.00568  -0.1034   0.2967   0.7062
   5.500   1.1834   0.01190   0.00591  -0.1034   0.2831   0.7080
   5.750   1.2096   0.01222   0.00616  -0.1033   0.2695   0.7096
   6.000   1.2351   0.01254   0.00642  -0.1030   0.2561   0.7128
   6.250   1.2596   0.01292   0.00673  -0.1026   0.2426   0.7153
   6.500   1.2839   0.01329   0.00705  -0.1022   0.2297   0.7175
   6.750   1.3081   0.01366   0.00736  -0.1017   0.2178   0.7197
   7.000   1.3313   0.01406   0.00771  -0.1011   0.2068   0.7219
   7.250   1.3533   0.01451   0.00810  -0.1003   0.1960   0.7242
   7.500   1.3760   0.01489   0.00844  -0.0996   0.1874   0.7263
   7.750   1.3968   0.01533   0.00884  -0.0985   0.1790   0.7283
   8.000   1.4168   0.01577   0.00924  -0.0974   0.1718   0.7300
   8.250   1.4360   0.01621   0.00966  -0.0961   0.1656   0.7321
   8.500   1.4531   0.01661   0.01008  -0.0945   0.1606   0.7354
   8.750   1.4645   0.01717   0.01063  -0.0919   0.1555   0.7382
   9.000   1.4820   0.01766   0.01114  -0.0904   0.1517   0.7408
   9.250   1.4987   0.01823   0.01173  -0.0889   0.1477   0.7433
   9.500   1.5131   0.01896   0.01245  -0.0873   0.1433   0.7457
   9.750   1.5300   0.01959   0.01309  -0.0860   0.1401   0.7480
  10.000   1.5464   0.02028   0.01380  -0.0848   0.1368   0.7501
  10.250   1.5603   0.02114   0.01465  -0.0834   0.1332   0.7518
  10.500   1.5740   0.02205   0.01558  -0.0821   0.1298   0.7545
  10.750   1.5906   0.02281   0.01639  -0.0812   0.1275   0.7575
  11.000   1.6047   0.02376   0.01737  -0.0801   0.1249   0.7601
  11.250   1.6166   0.02489   0.01852  -0.0789   0.1220   0.7627
  11.500   1.6276   0.02613   0.01979  -0.0777   0.1193   0.7652
  11.750   1.6423   0.02714   0.02084  -0.0769   0.1175   0.7677
  12.000   1.6549   0.02833   0.02207  -0.0760   0.1154   0.7701
  12.250   1.6656   0.02969   0.02344  -0.0750   0.1133   0.7723
  12.500   1.6735   0.03131   0.02509  -0.0740   0.1109   0.7747
  12.750   1.6822   0.03290   0.02673  -0.0731   0.1090   0.7780
  13.000   1.6941   0.03423   0.02813  -0.0724   0.1074   0.7809
  13.250   1.7029   0.03584   0.02980  -0.0716   0.1056   0.7836
  13.500   1.7098   0.03766   0.03165  -0.0707   0.1038   0.7863
  13.750   1.7144   0.03972   0.03374  -0.0699   0.1019   0.7889
  14.000   1.7165   0.04209   0.03615  -0.0691   0.1000   0.7913
  14.250   1.7253   0.04388   0.03800  -0.0686   0.0990   0.7934
  14.500   1.7330   0.04577   0.03997  -0.0682   0.0976   0.7965
  14.750   1.7375   0.04803   0.04229  -0.0677   0.0962   0.7995
  15.000   1.7408   0.05045   0.04476  -0.0673   0.0947   0.8024
  15.250   1.7414   0.05319   0.04754  -0.0669   0.0932   0.8053
  15.500   1.7368   0.05655   0.05096  -0.0665   0.0916   0.8080
  15.750   1.7422   0.05886   0.05335  -0.0664   0.0907   0.8108
  16.000   1.7467   0.06131   0.05586  -0.0663   0.0897   0.8130
  16.250   1.7487   0.06407   0.05870  -0.0662   0.0885   0.8163
  16.500   1.7496   0.06690   0.06159  -0.0661   0.0873   0.8193
  16.750   1.7471   0.07021   0.06497  -0.0662   0.0862   0.8222
  17.000   1.7424   0.07381   0.06862  -0.0663   0.0850   0.8251
  17.250   1.7342   0.07787   0.07274  -0.0665   0.0836   0.8278
  17.500   1.7345   0.08096   0.07591  -0.0668   0.0829   0.8304
  17.750   1.7360   0.08386   0.07888  -0.0671   0.0822   0.8330
  18.000   1.7341   0.08722   0.08234  -0.0675   0.0814   0.8359
  18.250   1.7332   0.09045   0.08565  -0.0679   0.0805   0.8387
  18.500   1.7294   0.09412   0.08939  -0.0685   0.0796   0.8415
  18.750   1.7251   0.09783   0.09316  -0.0692   0.0788   0.8444
  19.000   1.7192   0.10178   0.09716  -0.0700   0.0779   0.8471
  19.250   1.7101   0.10622   0.10165  -0.0710   0.0769   0.8494
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