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LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il)
Reynolds number: 1,000,000
Max Cl/Cd: 83.48 at α=2.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-c141c-il-1000000.txt
Download as CSV file: xf-c141c-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: LOCKHEED C-141 BL426.57 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
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.9660   0.06868   0.06637  -0.0532   1.0000   0.0126
 -15.000  -1.0133   0.05445   0.05184  -0.0646   1.0000   0.0124
 -14.750  -1.0358   0.04724   0.04442  -0.0697   1.0000   0.0124
 -14.500  -1.0503   0.04237   0.03937  -0.0721   1.0000   0.0124
 -14.250  -1.0602   0.03874   0.03558  -0.0729   1.0000   0.0125
 -14.000  -1.0671   0.03591   0.03260  -0.0725   1.0000   0.0126
 -13.750  -1.0718   0.03366   0.03020  -0.0711   1.0000   0.0127
 -13.500  -1.0755   0.03183   0.02823  -0.0687   1.0000   0.0128
 -13.250  -1.0811   0.03043   0.02671  -0.0651   1.0000   0.0129
 -13.000  -1.0952   0.02951   0.02569  -0.0588   1.0000   0.0130
 -12.750  -1.1048   0.02863   0.02471  -0.0531   1.0000   0.0131
 -12.500  -1.1083   0.02775   0.02373  -0.0483   1.0000   0.0132
 -12.250  -1.1064   0.02693   0.02280  -0.0445   0.9999   0.0134
 -12.000  -1.0829   0.02582   0.02156  -0.0450   0.9986   0.0136
 -11.750  -1.0583   0.02483   0.02043  -0.0456   0.9973   0.0137
 -11.500  -1.0354   0.02346   0.01890  -0.0460   0.9959   0.0139
 -11.250  -1.0171   0.02114   0.01634  -0.0460   0.9946   0.0143
 -11.000  -0.9931   0.02006   0.01516  -0.0463   0.9931   0.0146
 -10.750  -0.9678   0.01929   0.01434  -0.0466   0.9911   0.0150
 -10.500  -0.9408   0.01862   0.01360  -0.0471   0.9894   0.0153
 -10.250  -0.9129   0.01795   0.01287  -0.0478   0.9880   0.0157
 -10.000  -0.8840   0.01730   0.01213  -0.0486   0.9868   0.0161
  -9.750  -0.8544   0.01666   0.01142  -0.0495   0.9858   0.0165
  -9.500  -0.8238   0.01610   0.01078  -0.0506   0.9850   0.0169
  -9.250  -0.7924   0.01563   0.01024  -0.0518   0.9843   0.0172
  -9.000  -0.7640   0.01453   0.00906  -0.0527   0.9836   0.0181
  -8.750  -0.7398   0.01409   0.00859  -0.0523   0.9804   0.0188
  -8.500  -0.7107   0.01369   0.00817  -0.0529   0.9785   0.0195
  -8.250  -0.6810   0.01328   0.00771  -0.0536   0.9769   0.0203
  -8.000  -0.6509   0.01290   0.00729  -0.0544   0.9753   0.0210
  -7.750  -0.6219   0.01232   0.00666  -0.0550   0.9738   0.0221
  -7.500  -0.5922   0.01186   0.00619  -0.0557   0.9723   0.0235
  -7.250  -0.5622   0.01156   0.00587  -0.0563   0.9708   0.0248
  -7.000  -0.5391   0.01134   0.00562  -0.0554   0.9668   0.0259
  -6.750  -0.5140   0.01091   0.00517  -0.0550   0.9636   0.0280
  -6.500  -0.4864   0.01065   0.00492  -0.0551   0.9611   0.0301
  -6.250  -0.4584   0.01043   0.00468  -0.0552   0.9589   0.0318
  -6.000  -0.4322   0.01008   0.00432  -0.0550   0.9564   0.0345
  -5.750  -0.4079   0.00986   0.00411  -0.0543   0.9526   0.0370
  -5.500  -0.3816   0.00969   0.00392  -0.0540   0.9492   0.0390
  -5.250  -0.3557   0.00937   0.00361  -0.0536   0.9461   0.0433
  -5.000  -0.3287   0.00919   0.00342  -0.0535   0.9434   0.0469
  -4.750  -0.3028   0.00895   0.00320  -0.0531   0.9403   0.0522
  -4.500  -0.2769   0.00877   0.00304  -0.0527   0.9364   0.0572
  -4.250  -0.2508   0.00853   0.00284  -0.0524   0.9328   0.0660
  -4.000  -0.2241   0.00831   0.00265  -0.0522   0.9296   0.0765
  -3.750  -0.1973   0.00810   0.00249  -0.0520   0.9265   0.0901
  -3.500  -0.1714   0.00790   0.00235  -0.0516   0.9223   0.1077
  -3.250  -0.1453   0.00765   0.00220  -0.0513   0.9183   0.1335
  -3.000  -0.1190   0.00738   0.00206  -0.0511   0.9148   0.1677
  -2.750  -0.0929   0.00709   0.00192  -0.0508   0.9111   0.2154
  -2.500  -0.0686   0.00668   0.00179  -0.0503   0.9065   0.2903
  -2.250  -0.0451   0.00615   0.00165  -0.0496   0.9020   0.3998
  -2.000  -0.0212   0.00567   0.00152  -0.0489   0.8978   0.5101
  -1.750   0.0027   0.00533   0.00147  -0.0482   0.8930   0.5969
  -1.500   0.0281   0.00512   0.00143  -0.0476   0.8880   0.6533
  -1.250   0.0546   0.00497   0.00139  -0.0473   0.8835   0.6937
  -1.000   0.0809   0.00486   0.00139  -0.0468   0.8786   0.7315
  -0.750   0.1075   0.00477   0.00138  -0.0465   0.8731   0.7580
  -0.500   0.1347   0.00471   0.00135  -0.0462   0.8671   0.7819
  -0.250   0.1609   0.00463   0.00133  -0.0457   0.8589   0.8035
   0.000   0.1877   0.00457   0.00130  -0.0452   0.8502   0.8239
   0.250   0.2135   0.00451   0.00128  -0.0446   0.8376   0.8458
   0.500   0.2389   0.00446   0.00128  -0.0437   0.8230   0.8706
   0.750   0.2643   0.00446   0.00133  -0.0429   0.8098   0.8967
   1.000   0.2898   0.00450   0.00137  -0.0421   0.7952   0.9149
   1.250   0.3158   0.00456   0.00140  -0.0415   0.7794   0.9266
   1.500   0.3417   0.00465   0.00143  -0.0409   0.7604   0.9358
   1.750   0.3676   0.00475   0.00148  -0.0403   0.7396   0.9443
   2.000   0.3924   0.00490   0.00155  -0.0395   0.7144   0.9528
   2.250   0.4180   0.00509   0.00163  -0.0389   0.6824   0.9597
   2.500   0.4435   0.00533   0.00173  -0.0383   0.6436   0.9669
   2.750   0.4700   0.00563   0.00186  -0.0380   0.5958   0.9729
   3.000   0.4990   0.00608   0.00203  -0.0384   0.5286   0.9772
   3.250   0.5226   0.00670   0.00226  -0.0378   0.4346   0.9832
   3.500   0.5535   0.00743   0.00254  -0.0390   0.3299   0.9848
   3.750   0.5849   0.00805   0.00279  -0.0403   0.2484   0.9866
   4.000   0.6164   0.00855   0.00303  -0.0415   0.1908   0.9888
   4.250   0.6478   0.00894   0.00325  -0.0426   0.1540   0.9913
   4.500   0.6782   0.00931   0.00347  -0.0434   0.1244   0.9940
   4.750   0.7115   0.00965   0.00369  -0.0450   0.1002   0.9952
   5.000   0.7447   0.00995   0.00390  -0.0464   0.0833   0.9967
   5.250   0.7775   0.01025   0.00413  -0.0478   0.0704   0.9983
   5.500   0.8102   0.01055   0.00437  -0.0491   0.0605   0.9998
   5.750   0.8307   0.01084   0.00460  -0.0478   0.0527   1.0000
   6.000   0.8499   0.01103   0.00480  -0.0462   0.0489   1.0000
   6.250   0.8673   0.01134   0.00506  -0.0441   0.0434   1.0000
   6.500   0.8864   0.01153   0.00527  -0.0424   0.0405   1.0000
   6.750   0.9038   0.01185   0.00555  -0.0404   0.0366   1.0000
   7.000   0.9225   0.01209   0.00582  -0.0387   0.0343   1.0000
   7.250   0.9413   0.01236   0.00608  -0.0369   0.0319   1.0000
   7.500   0.9584   0.01278   0.00649  -0.0349   0.0290   1.0000
   7.750   0.9784   0.01302   0.00676  -0.0334   0.0277   1.0000
   8.000   0.9980   0.01333   0.00707  -0.0319   0.0260   1.0000
   8.250   1.0159   0.01382   0.00756  -0.0301   0.0240   1.0000
   8.500   1.0363   0.01417   0.00795  -0.0288   0.0230   1.0000
   8.750   1.0572   0.01452   0.00832  -0.0276   0.0220   1.0000
   9.000   1.0779   0.01490   0.00873  -0.0264   0.0211   1.0000
   9.250   1.0979   0.01536   0.00920  -0.0252   0.0202   1.0000
   9.500   1.1140   0.01613   0.01002  -0.0233   0.0192   1.0000
   9.750   1.1336   0.01662   0.01056  -0.0219   0.0188   1.0000
  10.000   1.1534   0.01707   0.01106  -0.0207   0.0184   1.0000
  10.250   1.1717   0.01756   0.01160  -0.0192   0.0179   1.0000
  10.500   1.1891   0.01807   0.01216  -0.0176   0.0174   1.0000
  10.750   1.2064   0.01860   0.01273  -0.0160   0.0170   1.0000
  11.000   1.2237   0.01913   0.01329  -0.0144   0.0165   1.0000
  11.250   1.2390   0.01981   0.01401  -0.0126   0.0161   1.0000
  11.500   1.2499   0.02082   0.01509  -0.0102   0.0156   1.0000
  11.750   1.2580   0.02209   0.01647  -0.0075   0.0152   1.0000
  12.000   1.2736   0.02275   0.01720  -0.0060   0.0151   1.0000
  12.250   1.2879   0.02351   0.01804  -0.0043   0.0149   1.0000
  12.500   1.3013   0.02434   0.01895  -0.0026   0.0147   1.0000
  12.750   1.3136   0.02525   0.01995  -0.0008   0.0144   1.0000
  13.000   1.3249   0.02623   0.02102   0.0010   0.0142   1.0000
  13.250   1.3354   0.02728   0.02216   0.0028   0.0140   1.0000
  13.500   1.3450   0.02841   0.02337   0.0046   0.0137   1.0000
  13.750   1.3538   0.02961   0.02466   0.0064   0.0135   1.0000
  14.000   1.3621   0.03086   0.02598   0.0080   0.0133   1.0000
  14.250   1.3697   0.03219   0.02739   0.0096   0.0131   1.0000
  14.500   1.3764   0.03361   0.02888   0.0111   0.0129   1.0000
  14.750   1.3802   0.03532   0.03068   0.0126   0.0127   1.0000
  15.000   1.3801   0.03748   0.03294   0.0142   0.0125   1.0000
  15.250   1.3741   0.04030   0.03590   0.0157   0.0123   1.0000
  15.500   1.3625   0.04387   0.03964   0.0171   0.0122   1.0000
  15.750   1.3471   0.04806   0.04403   0.0180   0.0121   1.0000
  16.000   1.3448   0.05103   0.04712   0.0180   0.0120   1.0000
  16.250   1.3398   0.05449   0.05072   0.0177   0.0120   1.0000
  16.500   1.3342   0.05825   0.05461   0.0169   0.0119   1.0000
  16.750   1.3251   0.06276   0.05927   0.0155   0.0119   1.0000
  17.000   1.3140   0.06786   0.06451   0.0135   0.0118   1.0000
  17.250   1.2998   0.07374   0.07054   0.0109   0.0118   1.0000
  17.500   1.2825   0.08053   0.07749   0.0075   0.0118   1.0000
  17.750   1.2612   0.08841   0.08553   0.0032   0.0118   1.0000
  18.000   1.2366   0.09725   0.09454  -0.0017   0.0118   1.0000
  18.250   1.2070   0.10742   0.10488  -0.0074   0.0118   1.0000
  18.500   1.1712   0.11912   0.11675  -0.0140   0.0119   1.0000
  18.750   1.1296   0.13260   0.13041  -0.0217   0.0119   1.0000
  19.000   0.9852   0.17506   0.17331  -0.0458   0.0124   1.0000
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