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LOCKHEED C-141 BL113.6 AIRFOIL (c141b-il) Xfoil prediction polar at RE=50,000 Ncrit=5


Details Polar file
Airfoil: LOCKHEED C-141 BL113.6 AIRFOIL (c141b-il)
Reynolds number: 50,000
Max Cl/Cd: 28.26 at α=5.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-c141b-il-50000-n5.txt
Download as CSV file: xf-c141b-il-50000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: LOCKHEED C-141 BL113.6 AIRFOIL                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.050 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -11.500  -0.5732   0.09877   0.09069  -0.0493   1.0000   0.0707
 -11.250  -0.5978   0.08987   0.08183  -0.0542   1.0000   0.0702
 -11.000  -0.6327   0.08163   0.07360  -0.0584   1.0000   0.0693
 -10.750  -0.6701   0.07547   0.06741  -0.0596   1.0000   0.0685
 -10.500  -0.7063   0.07113   0.06301  -0.0576   1.0000   0.0679
 -10.250  -0.7399   0.06803   0.05983  -0.0532   1.0000   0.0676
 -10.000  -0.7648   0.06495   0.05661  -0.0490   1.0000   0.0677
  -9.750  -0.7841   0.06199   0.05347  -0.0449   1.0000   0.0683
  -9.500  -0.7991   0.05904   0.05029  -0.0409   1.0000   0.0690
  -9.250  -0.8104   0.05606   0.04701  -0.0370   1.0000   0.0699
  -9.000  -0.8178   0.05304   0.04363  -0.0332   1.0000   0.0710
  -8.750  -0.8223   0.05005   0.04018  -0.0295   1.0000   0.0724
  -8.500  -0.8203   0.04751   0.03730  -0.0264   1.0000   0.0743
  -8.250  -0.8097   0.04592   0.03565  -0.0244   1.0000   0.0767
  -8.000  -0.7998   0.04406   0.03358  -0.0221   1.0000   0.0792
  -7.750  -0.7892   0.04195   0.03111  -0.0198   1.0000   0.0820
  -7.500  -0.7773   0.03991   0.02859  -0.0175   1.0000   0.0855
  -7.250  -0.7612   0.03852   0.02723  -0.0160   1.0000   0.0889
  -7.000  -0.7444   0.03705   0.02556  -0.0144   1.0000   0.0928
  -6.750  -0.7267   0.03558   0.02366  -0.0127   1.0000   0.0979
  -6.500  -0.7079   0.03436   0.02254  -0.0116   1.0000   0.1024
  -6.250  -0.6881   0.03322   0.02124  -0.0102   1.0000   0.1084
  -6.000  -0.6678   0.03212   0.02005  -0.0090   1.0000   0.1148
  -5.750  -0.6473   0.03119   0.01905  -0.0078   1.0000   0.1222
  -5.500  -0.6267   0.03027   0.01811  -0.0067   1.0000   0.1307
  -5.250  -0.6059   0.02948   0.01716  -0.0054   1.0000   0.1411
  -5.000  -0.5864   0.02865   0.01642  -0.0042   1.0000   0.1526
  -4.750  -0.5668   0.02787   0.01566  -0.0029   1.0000   0.1668
  -4.500  -0.5475   0.02710   0.01493  -0.0017   1.0000   0.1857
  -4.250  -0.5286   0.02627   0.01423  -0.0005   1.0000   0.2102
  -4.000  -0.5101   0.02537   0.01357   0.0006   1.0000   0.2473
  -3.750  -0.4934   0.02435   0.01298   0.0020   1.0000   0.3099
  -3.500  -0.4796   0.02321   0.01265   0.0042   1.0000   0.4287
  -3.250  -0.4657   0.02264   0.01286   0.0077   1.0000   0.5796
  -3.000  -0.4490   0.02262   0.01312   0.0109   1.0000   0.6798
  -2.750  -0.4310   0.02275   0.01333   0.0138   1.0000   0.7472
  -2.500  -0.4090   0.02304   0.01363   0.0162   1.0000   0.8006
  -2.250  -0.3816   0.02346   0.01400   0.0174   1.0000   0.8481
  -2.000  -0.3465   0.02402   0.01444   0.0169   1.0000   0.8918
  -1.750  -0.2873   0.02495   0.01517   0.0118   1.0000   0.9331
  -1.500  -0.2061   0.02588   0.01582   0.0017   1.0000   0.9673
  -1.250  -0.1471   0.02618   0.01593  -0.0053   1.0000   0.9865
  -1.000  -0.1030   0.02626   0.01588  -0.0099   1.0000   1.0000
  -0.750  -0.0978   0.02604   0.01560  -0.0074   0.9989   1.0000
  -0.500  -0.0662   0.02610   0.01556  -0.0097   0.9916   1.0000
  -0.250  -0.0350   0.02622   0.01559  -0.0118   0.9841   1.0000
   0.000  -0.0063   0.02631   0.01561  -0.0133   0.9758   1.0000
   0.250   0.0232   0.02647   0.01571  -0.0148   0.9679   1.0000
   0.500   0.0526   0.02665   0.01584  -0.0163   0.9597   1.0000
   0.750   0.0791   0.02681   0.01597  -0.0170   0.9506   1.0000
   1.000   0.1122   0.02708   0.01621  -0.0190   0.9432   1.0000
   1.250   0.1357   0.02723   0.01636  -0.0190   0.9328   1.0000
   1.500   0.1669   0.02749   0.01662  -0.0204   0.9245   1.0000
   1.750   0.1946   0.02770   0.01685  -0.0211   0.9145   1.0000
   2.000   0.2203   0.02791   0.01709  -0.0213   0.9040   1.0000
   2.250   0.2576   0.02814   0.01738  -0.0236   0.8959   1.0000
   2.500   0.2809   0.02830   0.01759  -0.0232   0.8832   1.0000
   2.750   0.3084   0.02842   0.01779  -0.0234   0.8705   1.0000
   3.000   0.3408   0.02844   0.01791  -0.0242   0.8573   1.0000
   3.250   0.3757   0.02826   0.01785  -0.0252   0.8414   1.0000
   3.500   0.4110   0.02783   0.01755  -0.0257   0.8220   1.0000
   3.750   0.4523   0.02708   0.01696  -0.0269   0.8016   1.0000
   4.000   0.4808   0.02646   0.01649  -0.0258   0.7785   1.0000
   4.250   0.5129   0.02565   0.01583  -0.0250   0.7543   1.0000
   4.500   0.5376   0.02502   0.01534  -0.0230   0.7256   1.0000
   4.750   0.5696   0.02423   0.01468  -0.0219   0.6900   1.0000
   5.000   0.6029   0.02353   0.01402  -0.0211   0.6389   1.0000
   5.250   0.6387   0.02303   0.01333  -0.0205   0.5512   1.0000
   5.500   0.6622   0.02343   0.01301  -0.0183   0.4273   1.0000
   5.750   0.6680   0.02454   0.01345  -0.0143   0.3395   1.0000
   6.000   0.6741   0.02572   0.01418  -0.0108   0.2808   1.0000
   6.250   0.6831   0.02688   0.01501  -0.0079   0.2401   1.0000
   6.500   0.6950   0.02799   0.01590  -0.0055   0.2108   1.0000
   6.750   0.7104   0.02904   0.01682  -0.0036   0.1868   1.0000
   7.000   0.7282   0.03011   0.01780  -0.0022   0.1681   1.0000
   7.250   0.7492   0.03118   0.01884  -0.0013   0.1524   1.0000
   7.500   0.7737   0.03229   0.01996  -0.0009   0.1388   1.0000
   7.750   0.7998   0.03348   0.02114  -0.0007   0.1276   1.0000
   8.000   0.8247   0.03469   0.02231  -0.0005   0.1182   1.0000
   8.250   0.8521   0.03604   0.02385  -0.0004   0.1094   1.0000
   8.500   0.8770   0.03746   0.02520  -0.0003   0.1028   1.0000
   8.750   0.9013   0.03906   0.02712   0.0002   0.0964   1.0000
   9.000   0.9230   0.04055   0.02856   0.0007   0.0915   1.0000
   9.250   0.9426   0.04251   0.03085   0.0017   0.0868   1.0000
   9.500   0.9598   0.04443   0.03302   0.0030   0.0829   1.0000
   9.750   0.9767   0.04611   0.03473   0.0041   0.0796   1.0000
  10.000   0.9871   0.04845   0.03740   0.0061   0.0767   1.0000
  10.250   0.9932   0.05105   0.04041   0.0085   0.0743   1.0000
  10.500   0.9976   0.05349   0.04314   0.0110   0.0722   1.0000
  10.750   1.0023   0.05565   0.04548   0.0133   0.0702   1.0000
  11.000   1.0102   0.05763   0.04749   0.0150   0.0683   1.0000
  11.250   1.0017   0.06045   0.05058   0.0185   0.0672   1.0000
  11.750   0.9646   0.06733   0.05815   0.0255   0.0661   1.0000
  12.000   0.9422   0.07139   0.06248   0.0278   0.0658   1.0000
  12.250   0.9165   0.07608   0.06742   0.0290   0.0658   1.0000
  12.500   0.8874   0.08166   0.07322   0.0287   0.0659   1.0000
  12.750   0.8554   0.08850   0.08022   0.0265   0.0662   1.0000
  13.000   0.8216   0.09699   0.08884   0.0223   0.0666   1.0000
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