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LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il)
Reynolds number: 500,000
Max Cl/Cd: 62.69 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-c141c-il-500000-n5.txt
Download as CSV file: xf-c141c-il-500000-n5.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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.9677   0.05967   0.05644  -0.0605   1.0000   0.0121
 -14.500  -0.9958   0.05071   0.04722  -0.0674   1.0000   0.0121
 -14.250  -1.0127   0.04520   0.04151  -0.0706   1.0000   0.0121
 -14.000  -1.0240   0.04126   0.03739  -0.0717   1.0000   0.0122
 -13.750  -1.0320   0.03823   0.03417  -0.0715   1.0000   0.0123
 -13.500  -1.0379   0.03581   0.03158  -0.0702   1.0000   0.0124
 -13.250  -1.0423   0.03387   0.02948  -0.0681   1.0000   0.0125
 -13.000  -1.0476   0.03231   0.02778  -0.0647   1.0000   0.0126
 -12.750  -1.0568   0.03116   0.02651  -0.0598   1.0000   0.0127
 -12.500  -1.0637   0.03010   0.02534  -0.0548   1.0000   0.0128
 -12.250  -1.0661   0.02904   0.02414  -0.0505   1.0000   0.0130
 -12.000  -1.0590   0.02784   0.02279  -0.0479   0.9993   0.0132
 -11.750  -1.0388   0.02646   0.02122  -0.0480   0.9972   0.0134
 -11.500  -1.0170   0.02523   0.01980  -0.0482   0.9954   0.0136
 -11.250  -0.9937   0.02412   0.01851  -0.0485   0.9938   0.0138
 -11.000  -0.9735   0.02288   0.01717  -0.0483   0.9912   0.0142
 -10.750  -0.9497   0.02195   0.01615  -0.0485   0.9890   0.0145
 -10.500  -0.9239   0.02119   0.01531  -0.0489   0.9871   0.0149
 -10.250  -0.8970   0.02050   0.01453  -0.0495   0.9857   0.0153
 -10.000  -0.8692   0.01980   0.01374  -0.0502   0.9845   0.0158
  -9.750  -0.8407   0.01908   0.01292  -0.0511   0.9835   0.0164
  -9.500  -0.8178   0.01843   0.01217  -0.0506   0.9802   0.0168
  -9.250  -0.7917   0.01780   0.01143  -0.0507   0.9779   0.0172
  -9.000  -0.7651   0.01705   0.01062  -0.0511   0.9759   0.0179
  -8.750  -0.7369   0.01648   0.01001  -0.0517   0.9742   0.0185
  -8.500  -0.7079   0.01597   0.00945  -0.0524   0.9727   0.0193
  -8.250  -0.6785   0.01548   0.00889  -0.0531   0.9714   0.0201
  -8.000  -0.6530   0.01505   0.00840  -0.0529   0.9685   0.0210
  -7.750  -0.6287   0.01459   0.00790  -0.0525   0.9650   0.0220
  -7.500  -0.6017   0.01418   0.00747  -0.0526   0.9624   0.0233
  -7.250  -0.5734   0.01381   0.00706  -0.0530   0.9602   0.0247
  -7.000  -0.5447   0.01344   0.00664  -0.0534   0.9582   0.0260
  -6.750  -0.5169   0.01302   0.00621  -0.0536   0.9562   0.0277
  -6.500  -0.4939   0.01273   0.00591  -0.0528   0.9518   0.0294
  -6.250  -0.4676   0.01246   0.00559  -0.0526   0.9484   0.0313
  -6.000  -0.4406   0.01213   0.00526  -0.0526   0.9456   0.0337
  -5.750  -0.4128   0.01184   0.00497  -0.0527   0.9433   0.0365
  -5.500  -0.3856   0.01160   0.00469  -0.0527   0.9407   0.0390
  -5.250  -0.3614   0.01133   0.00444  -0.0520   0.9363   0.0425
  -5.000  -0.3351   0.01110   0.00420  -0.0518   0.9327   0.0464
  -4.750  -0.3081   0.01084   0.00395  -0.0517   0.9297   0.0512
  -4.500  -0.2802   0.01060   0.00372  -0.0518   0.9272   0.0567
  -4.250  -0.2551   0.01039   0.00353  -0.0513   0.9229   0.0632
  -4.000  -0.2289   0.01018   0.00334  -0.0510   0.9187   0.0711
  -3.750  -0.2019   0.00996   0.00315  -0.0508   0.9153   0.0815
  -3.500  -0.1741   0.00973   0.00296  -0.0509   0.9124   0.0945
  -3.250  -0.1487   0.00952   0.00282  -0.0504   0.9077   0.1112
  -3.000  -0.1226   0.00928   0.00267  -0.0502   0.9033   0.1347
  -2.750  -0.0958   0.00901   0.00251  -0.0500   0.8995   0.1671
  -2.500  -0.0695   0.00870   0.00235  -0.0498   0.8958   0.2105
  -2.250  -0.0450   0.00836   0.00224  -0.0493   0.8906   0.2715
  -2.000  -0.0204   0.00793   0.00210  -0.0489   0.8859   0.3537
  -1.750   0.0041   0.00744   0.00196  -0.0484   0.8820   0.4568
  -1.500   0.0263   0.00702   0.00190  -0.0473   0.8762   0.5556
  -1.250   0.0510   0.00675   0.00187  -0.0466   0.8708   0.6230
  -1.000   0.0771   0.00656   0.00183  -0.0462   0.8664   0.6732
  -0.750   0.1021   0.00644   0.00184  -0.0455   0.8601   0.7128
  -0.500   0.1285   0.00633   0.00183  -0.0450   0.8543   0.7451
  -0.250   0.1550   0.00624   0.00183  -0.0445   0.8487   0.7761
   0.000   0.1802   0.00615   0.00187  -0.0437   0.8416   0.8156
   0.250   0.2061   0.00607   0.00192  -0.0429   0.8338   0.8522
   0.500   0.2325   0.00605   0.00193  -0.0423   0.8220   0.8728
   0.750   0.2593   0.00606   0.00191  -0.0418   0.8048   0.8852
   1.000   0.2853   0.00609   0.00187  -0.0411   0.7784   0.8969
   1.250   0.3111   0.00618   0.00187  -0.0404   0.7502   0.9082
   1.500   0.3377   0.00630   0.00190  -0.0399   0.7233   0.9179
   1.750   0.3634   0.00646   0.00195  -0.0393   0.6940   0.9282
   2.000   0.3889   0.00666   0.00203  -0.0387   0.6591   0.9382
   2.250   0.4150   0.00693   0.00213  -0.0382   0.6168   0.9460
   2.500   0.4383   0.00727   0.00225  -0.0372   0.5640   0.9547
   2.750   0.4631   0.00777   0.00244  -0.0368   0.4889   0.9605
   3.000   0.4855   0.00839   0.00267  -0.0359   0.4003   0.9679
   3.250   0.5110   0.00902   0.00293  -0.0358   0.3190   0.9730
   3.500   0.5391   0.00957   0.00319  -0.0363   0.2521   0.9773
   3.750   0.5660   0.01006   0.00344  -0.0365   0.2004   0.9823
   4.000   0.5969   0.01049   0.00369  -0.0376   0.1611   0.9850
   4.250   0.6286   0.01086   0.00392  -0.0387   0.1332   0.9876
   4.500   0.6594   0.01121   0.00417  -0.0397   0.1118   0.9908
   4.750   0.6894   0.01154   0.00442  -0.0405   0.0952   0.9940
   5.000   0.7215   0.01186   0.00467  -0.0417   0.0813   0.9961
   5.250   0.7531   0.01219   0.00495  -0.0428   0.0696   0.9986
   5.500   0.7793   0.01251   0.00522  -0.0428   0.0610   1.0000
   5.750   0.7976   0.01278   0.00546  -0.0410   0.0544   1.0000
   6.000   0.8164   0.01304   0.00572  -0.0393   0.0495   1.0000
   6.250   0.8348   0.01334   0.00599  -0.0375   0.0447   1.0000
   6.500   0.8538   0.01362   0.00627  -0.0358   0.0414   1.0000
   6.750   0.8727   0.01392   0.00657  -0.0342   0.0382   1.0000
   7.000   0.8913   0.01427   0.00691  -0.0325   0.0353   1.0000
   7.250   0.9109   0.01457   0.00724  -0.0310   0.0330   1.0000
   7.500   0.9303   0.01493   0.00759  -0.0295   0.0304   1.0000
   7.750   0.9499   0.01532   0.00799  -0.0280   0.0284   1.0000
   8.000   0.9701   0.01568   0.00840  -0.0267   0.0267   1.0000
   8.250   0.9901   0.01609   0.00882  -0.0254   0.0252   1.0000
   8.500   1.0092   0.01660   0.00933  -0.0240   0.0237   1.0000
   8.750   1.0292   0.01703   0.00981  -0.0227   0.0228   1.0000
   9.000   1.0489   0.01749   0.01033  -0.0215   0.0218   1.0000
   9.250   1.0683   0.01797   0.01085  -0.0202   0.0208   1.0000
   9.500   1.0867   0.01849   0.01139  -0.0187   0.0199   1.0000
   9.750   1.1029   0.01914   0.01207  -0.0169   0.0190   1.0000
  10.000   1.1205   0.01966   0.01265  -0.0153   0.0185   1.0000
  10.250   1.1374   0.02024   0.01331  -0.0137   0.0179   1.0000
  10.500   1.1539   0.02085   0.01399  -0.0121   0.0174   1.0000
  10.750   1.1700   0.02150   0.01470  -0.0104   0.0169   1.0000
  11.000   1.1858   0.02218   0.01544  -0.0088   0.0164   1.0000
  11.250   1.2006   0.02293   0.01624  -0.0071   0.0160   1.0000
  11.500   1.2140   0.02379   0.01717  -0.0053   0.0156   1.0000
  11.750   1.2245   0.02487   0.01831  -0.0032   0.0153   1.0000
  12.000   1.2378   0.02574   0.01929  -0.0014   0.0151   1.0000
  12.250   1.2502   0.02669   0.02034   0.0003   0.0148   1.0000
  12.500   1.2620   0.02768   0.02144   0.0020   0.0145   1.0000
  12.750   1.2730   0.02873   0.02260   0.0037   0.0142   1.0000
  13.000   1.2834   0.02985   0.02382   0.0054   0.0139   1.0000
  13.250   1.2929   0.03104   0.02511   0.0070   0.0136   1.0000
  13.500   1.3012   0.03233   0.02651   0.0086   0.0134   1.0000
  13.750   1.3085   0.03374   0.02802   0.0102   0.0131   1.0000
  14.000   1.3147   0.03527   0.02966   0.0117   0.0130   1.0000
  14.250   1.3195   0.03696   0.03145   0.0131   0.0128   1.0000
  14.500   1.3227   0.03885   0.03344   0.0144   0.0126   1.0000
  14.750   1.3238   0.04098   0.03570   0.0156   0.0125   1.0000
  15.000   1.3226   0.04347   0.03830   0.0166   0.0123   1.0000
  15.250   1.3182   0.04639   0.04135   0.0173   0.0122   1.0000
  15.500   1.3120   0.04969   0.04478   0.0177   0.0121   1.0000
  15.750   1.3080   0.05295   0.04820   0.0176   0.0120   1.0000
  16.000   1.3017   0.05667   0.05209   0.0171   0.0119   1.0000
  16.250   1.2934   0.06093   0.05652   0.0161   0.0119   1.0000
  16.500   1.2833   0.06576   0.06153   0.0144   0.0118   1.0000
  16.750   1.2702   0.07135   0.06729   0.0121   0.0117   1.0000
  17.000   1.2545   0.07775   0.07386   0.0090   0.0117   1.0000
  17.250   1.2358   0.08510   0.08140   0.0051   0.0117   1.0000
  17.500   1.2134   0.09350   0.08998   0.0004   0.0117   1.0000
  17.750   1.1873   0.10298   0.09964  -0.0049   0.0117   1.0000
  18.000   1.1578   0.11345   0.11028  -0.0107   0.0117   1.0000
  18.250   1.1245   0.12494   0.12193  -0.0171   0.0118   1.0000
  18.500   1.0867   0.13792   0.13508  -0.0244   0.0118   1.0000
  18.750   1.0005   0.16453   0.16197  -0.0394   0.0120   1.0000
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