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WORTMANN FX 71-120 AIRFOIL (fx71120-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: WORTMANN FX 71-120 AIRFOIL (fx71120-il)
Reynolds number: 500,000
Max Cl/Cd: 50.31 at α=6.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-fx71120-il-500000.txt
Download as CSV file: xf-fx71120-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: WORTMANN FX 71-120 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.000  -1.1938   0.06774   0.06397  -0.0477   1.0000   0.0555
 -16.750  -1.2295   0.06015   0.05613  -0.0526   1.0000   0.0559
 -16.500  -1.2546   0.05484   0.05060  -0.0554   1.0000   0.0562
 -16.250  -1.2750   0.05088   0.04642  -0.0568   1.0000   0.0566
 -16.000  -1.2888   0.04698   0.04239  -0.0570   1.0000   0.0573
 -15.750  -1.2761   0.04595   0.04141  -0.0566   1.0000   0.0580
 -15.500  -1.2701   0.04470   0.04015  -0.0561   1.0000   0.0586
 -15.250  -1.2656   0.04346   0.03887  -0.0553   1.0000   0.0592
 -15.000  -1.2604   0.04224   0.03761  -0.0544   1.0000   0.0597
 -14.750  -1.2576   0.04101   0.03630  -0.0531   1.0000   0.0604
 -14.500  -1.2584   0.03964   0.03483  -0.0513   1.0000   0.0611
 -14.250  -1.2612   0.03841   0.03347  -0.0488   1.0000   0.0618
 -14.000  -1.2650   0.03725   0.03215  -0.0456   1.0000   0.0623
 -13.750  -1.2695   0.03638   0.03113  -0.0417   1.0000   0.0628
 -13.500  -1.2694   0.03586   0.03045  -0.0381   1.0000   0.0633
 -13.250  -1.2628   0.03336   0.02784  -0.0364   1.0000   0.0641
 -13.000  -1.2470   0.03244   0.02692  -0.0351   1.0000   0.0648
 -12.750  -1.2323   0.03176   0.02621  -0.0335   1.0000   0.0654
 -12.500  -1.2171   0.03119   0.02561  -0.0319   1.0000   0.0661
 -12.250  -1.2001   0.03068   0.02508  -0.0304   1.0000   0.0668
 -12.000  -1.1846   0.02999   0.02432  -0.0287   1.0000   0.0675
 -11.750  -1.1696   0.02918   0.02342  -0.0270   1.0000   0.0682
 -11.500  -1.1544   0.02833   0.02246  -0.0252   1.0000   0.0688
 -11.250  -1.1387   0.02760   0.02162  -0.0234   1.0000   0.0693
 -11.000  -1.1224   0.02693   0.02083  -0.0217   1.0000   0.0699
 -10.750  -1.1057   0.02642   0.02020  -0.0198   1.0000   0.0703
 -10.500  -1.0896   0.02546   0.01911  -0.0181   1.0000   0.0710
 -10.250  -1.0696   0.02408   0.01775  -0.0172   1.0000   0.0721
 -10.000  -1.0494   0.02347   0.01715  -0.0160   1.0000   0.0729
  -9.750  -1.0296   0.02283   0.01647  -0.0146   1.0000   0.0733
  -9.500  -1.0096   0.02205   0.01563  -0.0133   1.0000   0.0735
  -9.250  -0.9893   0.02130   0.01483  -0.0120   1.0000   0.0737
  -9.000  -0.9689   0.02059   0.01407  -0.0106   1.0000   0.0739
  -8.750  -0.9484   0.01994   0.01337  -0.0093   1.0000   0.0742
  -8.500  -0.9278   0.01929   0.01268  -0.0079   1.0000   0.0743
  -8.250  -0.9073   0.01869   0.01205  -0.0065   1.0000   0.0745
  -8.000  -0.8870   0.01813   0.01145  -0.0050   1.0000   0.0748
  -7.750  -0.8668   0.01764   0.01094  -0.0035   1.0000   0.0752
  -7.500  -0.8468   0.01714   0.01042  -0.0020   1.0000   0.0755
  -7.250  -0.8270   0.01664   0.00990  -0.0003   1.0000   0.0757
  -7.000  -0.8076   0.01618   0.00942   0.0013   1.0000   0.0759
  -6.750  -0.7885   0.01573   0.00895   0.0031   1.0000   0.0762
  -6.500  -0.7696   0.01532   0.00853   0.0049   1.0000   0.0764
  -6.250  -0.7511   0.01493   0.00813   0.0067   1.0000   0.0767
  -6.000  -0.7329   0.01457   0.00776   0.0086   1.0000   0.0769
  -5.750  -0.7148   0.01424   0.00742   0.0105   1.0000   0.0772
  -5.500  -0.6866   0.01390   0.00707   0.0104   0.9987   0.0775
  -5.250  -0.6487   0.01355   0.00673   0.0083   0.9956   0.0779
  -5.000  -0.6101   0.01324   0.00642   0.0061   0.9930   0.0783
  -4.750  -0.5756   0.01291   0.00609   0.0048   0.9892   0.0787
  -4.500  -0.5397   0.01253   0.00572   0.0031   0.9856   0.0793
  -4.250  -0.5017   0.01209   0.00532   0.0010   0.9827   0.0803
  -4.000  -0.4679   0.01171   0.00498  -0.0001   0.9772   0.0815
  -3.750  -0.4306   0.01139   0.00470  -0.0019   0.9728   0.0828
  -3.500  -0.3920   0.01106   0.00441  -0.0039   0.9674   0.0844
  -3.250  -0.3532   0.01074   0.00411  -0.0058   0.9606   0.0866
  -3.000  -0.3131   0.01038   0.00378  -0.0080   0.9534   0.0895
  -2.750  -0.2765   0.01000   0.00347  -0.0095   0.9443   0.0947
  -2.500  -0.2435   0.00966   0.00322  -0.0103   0.9330   0.1050
  -2.250  -0.2119   0.00917   0.00294  -0.0108   0.9174   0.1420
  -2.000  -0.1839   0.00868   0.00271  -0.0106   0.8966   0.2038
  -1.750  -0.1575   0.00835   0.00254  -0.0100   0.8741   0.2560
  -1.500  -0.1331   0.00809   0.00240  -0.0090   0.8478   0.3032
  -1.250  -0.1097   0.00786   0.00227  -0.0077   0.8164   0.3523
  -1.000  -0.0869   0.00764   0.00218  -0.0064   0.7858   0.4086
  -0.750  -0.0648   0.00748   0.00209  -0.0049   0.7469   0.4639
  -0.500  -0.0432   0.00739   0.00203  -0.0032   0.7027   0.5154
  -0.250  -0.0218   0.00732   0.00199  -0.0016   0.6571   0.5661
   0.000   0.0000   0.00730   0.00198   0.0000   0.6137   0.6137
   0.250   0.0218   0.00732   0.00199   0.0016   0.5663   0.6572
   0.500   0.0433   0.00739   0.00203   0.0032   0.5153   0.7021
   0.750   0.0647   0.00748   0.00209   0.0049   0.4634   0.7476
   1.000   0.0869   0.00764   0.00218   0.0064   0.4090   0.7856
   1.250   0.1097   0.00786   0.00227   0.0077   0.3527   0.8169
   1.500   0.1330   0.00809   0.00240   0.0090   0.3029   0.8481
   1.750   0.1576   0.00835   0.00254   0.0100   0.2562   0.8744
   2.000   0.1839   0.00868   0.00270   0.0106   0.2038   0.8963
   2.250   0.2119   0.00918   0.00294   0.0108   0.1403   0.9177
   2.500   0.2434   0.00967   0.00322   0.0103   0.1043   0.9329
   2.750   0.2763   0.01000   0.00347   0.0095   0.0945   0.9442
   3.000   0.3131   0.01037   0.00377   0.0080   0.0895   0.9533
   3.250   0.3527   0.01074   0.00411   0.0059   0.0867   0.9605
   3.500   0.3921   0.01107   0.00441   0.0039   0.0845   0.9677
   3.750   0.4304   0.01138   0.00469   0.0019   0.0828   0.9727
   4.000   0.4679   0.01171   0.00498   0.0001   0.0815   0.9772
   4.250   0.5018   0.01208   0.00531  -0.0011   0.0804   0.9827
   4.500   0.5396   0.01254   0.00573  -0.0031   0.0792   0.9856
   4.750   0.5756   0.01290   0.00608  -0.0048   0.0787   0.9892
   5.000   0.6102   0.01323   0.00641  -0.0061   0.0783   0.9930
   5.250   0.6487   0.01355   0.00672  -0.0083   0.0779   0.9956
   5.500   0.6868   0.01390   0.00707  -0.0104   0.0775   0.9987
   5.750   0.7149   0.01423   0.00741  -0.0105   0.0772   1.0000
   6.000   0.7329   0.01457   0.00775  -0.0086   0.0769   1.0000
   6.250   0.7511   0.01493   0.00813  -0.0067   0.0766   1.0000
   6.500   0.7697   0.01531   0.00852  -0.0049   0.0764   1.0000
   6.750   0.7885   0.01574   0.00895  -0.0031   0.0762   1.0000
   7.000   0.8076   0.01617   0.00941  -0.0013   0.0760   1.0000
   7.250   0.8271   0.01664   0.00990   0.0003   0.0757   1.0000
   7.500   0.8468   0.01715   0.01042   0.0020   0.0756   1.0000
   7.750   0.8668   0.01765   0.01094   0.0035   0.0753   1.0000
   8.000   0.8870   0.01814   0.01146   0.0050   0.0748   1.0000
   8.250   0.9074   0.01869   0.01204   0.0065   0.0746   1.0000
   8.500   0.9279   0.01929   0.01268   0.0079   0.0743   1.0000
   8.750   0.9484   0.01993   0.01336   0.0093   0.0741   1.0000
   9.000   0.9689   0.02060   0.01407   0.0106   0.0739   1.0000
   9.250   0.9893   0.02131   0.01483   0.0120   0.0737   1.0000
   9.500   1.0096   0.02204   0.01562   0.0133   0.0735   1.0000
   9.750   1.0297   0.02283   0.01647   0.0146   0.0734   1.0000
  10.000   1.0494   0.02352   0.01720   0.0160   0.0729   1.0000
  10.250   1.0695   0.02409   0.01777   0.0172   0.0722   1.0000
  10.500   1.0896   0.02554   0.01919   0.0181   0.0710   1.0000
  10.750   1.1057   0.02642   0.02020   0.0198   0.0703   1.0000
  11.000   1.1224   0.02690   0.02079   0.0217   0.0698   1.0000
  11.250   1.1387   0.02758   0.02159   0.0234   0.0693   1.0000
  11.500   1.1544   0.02836   0.02249   0.0252   0.0688   1.0000
  11.750   1.1697   0.02917   0.02341   0.0270   0.0682   1.0000
  12.000   1.1849   0.02993   0.02426   0.0287   0.0675   1.0000
  12.250   1.2004   0.03064   0.02504   0.0304   0.0668   1.0000
  12.500   1.2174   0.03116   0.02558   0.0318   0.0661   1.0000
  12.750   1.2324   0.03178   0.02623   0.0335   0.0654   1.0000
  13.000   1.2471   0.03245   0.02693   0.0351   0.0648   1.0000
  13.250   1.2627   0.03337   0.02785   0.0364   0.0642   1.0000
  13.500   1.2697   0.03589   0.03048   0.0380   0.0633   1.0000
  13.750   1.2702   0.03655   0.03131   0.0415   0.0629   1.0000
  14.000   1.2654   0.03722   0.03213   0.0456   0.0623   1.0000
  14.250   1.2617   0.03832   0.03338   0.0487   0.0617   1.0000
  14.500   1.2591   0.03963   0.03482   0.0512   0.0611   1.0000
  14.750   1.2579   0.04103   0.03634   0.0530   0.0604   1.0000
  15.000   1.2602   0.04233   0.03771   0.0543   0.0598   1.0000
  15.250   1.2680   0.04328   0.03867   0.0552   0.0591   1.0000
  15.500   1.2717   0.04462   0.04006   0.0560   0.0585   1.0000
  15.750   1.2776   0.04588   0.04134   0.0565   0.0580   1.0000
  16.000   1.2888   0.04707   0.04248   0.0569   0.0573   1.0000
  16.250   1.2757   0.05088   0.04643   0.0567   0.0565   1.0000
  16.500   1.2558   0.05482   0.05058   0.0553   0.0562   1.0000
  16.750   1.2304   0.06015   0.05613   0.0524   0.0558   1.0000
  17.000   1.1948   0.06778   0.06402   0.0475   0.0555   1.0000
  17.250   0.7335   0.17162   0.16874  -0.0191   0.0407   1.0000
  17.500   0.7397   0.17458   0.17171  -0.0206   0.0398   1.0000
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