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FX 78-K-140 A/20 (fx78k140a20-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: FX 78-K-140 A/20 (fx78k140a20-il)
Reynolds number: 500,000
Max Cl/Cd: 111.35 at α=6.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx78k140a20-il-500000-n5.txt
Download as CSV file: xf-fx78k140a20-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: FX 78-K-140 A/20                                
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -10.500  -0.1782   0.08418   0.08058  -0.0971   0.7189   0.0053
 -10.250  -0.1870   0.07784   0.07428  -0.1005   0.7180   0.0051
 -10.000  -0.2070   0.06939   0.06590  -0.1056   0.7171   0.0050
  -9.250  -0.3914   0.03103   0.02669  -0.1094   0.7132   0.0046
  -9.000  -0.4052   0.02642   0.02152  -0.1049   0.7120   0.0048
  -8.750  -0.3969   0.02434   0.01911  -0.1026   0.7112   0.0045
  -8.500  -0.3870   0.02224   0.01662  -0.1004   0.7103   0.0050
  -8.250  -0.3704   0.02103   0.01522  -0.0990   0.7093   0.0052
  -8.000  -0.3492   0.02050   0.01462  -0.0983   0.7083   0.0056
  -7.750  -0.3307   0.01929   0.01319  -0.0971   0.7073   0.0057
  -7.500  -0.3084   0.01872   0.01252  -0.0964   0.7061   0.0063
  -7.250  -0.2848   0.01838   0.01209  -0.0960   0.7049   0.0068
  -7.000  -0.2615   0.01780   0.01135  -0.0954   0.7036   0.0076
  -6.750  -0.2414   0.01655   0.00989  -0.0943   0.7026   0.0078
  -6.500  -0.2189   0.01590   0.00915  -0.0937   0.7016   0.0086
  -6.250  -0.1950   0.01541   0.00856  -0.0932   0.7007   0.0092
  -6.000  -0.1707   0.01499   0.00806  -0.0928   0.6999   0.0098
  -5.750  -0.1471   0.01442   0.00740  -0.0921   0.6990   0.0105
  -5.500  -0.1221   0.01412   0.00702  -0.0918   0.6981   0.0115
  -5.250  -0.0977   0.01372   0.00652  -0.0914   0.6972   0.0119
  -5.000  -0.0751   0.01309   0.00581  -0.0905   0.6962   0.0134
  -4.750  -0.0512   0.01273   0.00543  -0.0900   0.6951   0.0147
  -4.500  -0.0266   0.01246   0.00511  -0.0895   0.6940   0.0169
  -4.250  -0.0016   0.01223   0.00484  -0.0891   0.6928   0.0194
  -4.000   0.0229   0.01195   0.00455  -0.0887   0.6915   0.0235
  -3.750   0.0484   0.01178   0.00436  -0.0884   0.6903   0.0281
  -3.500   0.0735   0.01155   0.00418  -0.0881   0.6891   0.0374
  -3.250   0.0989   0.01137   0.00400  -0.0879   0.6881   0.0474
  -3.000   0.1248   0.01122   0.00383  -0.0877   0.6871   0.0567
  -2.750   0.1505   0.01106   0.00368  -0.0875   0.6861   0.0684
  -2.500   0.1761   0.01087   0.00353  -0.0872   0.6850   0.0867
  -2.250   0.2017   0.01069   0.00340  -0.0870   0.6841   0.1110
  -2.000   0.2255   0.01037   0.00328  -0.0866   0.6832   0.1756
  -1.750   0.2473   0.01001   0.00323  -0.0858   0.6820   0.2673
  -1.500   0.2686   0.00967   0.00319  -0.0849   0.6805   0.3581
  -1.250   0.2877   0.00924   0.00313  -0.0835   0.6789   0.4735
  -1.000   0.3001   0.00859   0.00305  -0.0806   0.6774   0.6442
  -0.750   0.3158   0.00836   0.00337  -0.0777   0.6759   0.7869
  -0.500   0.3400   0.00853   0.00353  -0.0768   0.6745   0.8350
  -0.250   0.3635   0.00868   0.00364  -0.0758   0.6734   0.8569
   0.000   0.3878   0.00883   0.00378  -0.0749   0.6722   0.8718
   0.250   0.4128   0.00897   0.00391  -0.0741   0.6711   0.8846
   0.500   0.4390   0.00905   0.00399  -0.0736   0.6700   0.8931
   0.750   0.4632   0.00913   0.00404  -0.0729   0.6688   0.8996
   1.000   0.4892   0.00916   0.00409  -0.0727   0.6670   0.9020
   1.250   0.5153   0.00918   0.00412  -0.0725   0.6651   0.9036
   1.500   0.5418   0.00919   0.00412  -0.0725   0.6632   0.9048
   1.750   0.5684   0.00918   0.00411  -0.0725   0.6613   0.9064
   2.000   0.5954   0.00915   0.00407  -0.0725   0.6594   0.9081
   2.250   0.6228   0.00913   0.00402  -0.0727   0.6577   0.9091
   2.500   0.6505   0.00911   0.00398  -0.0729   0.6561   0.9100
   2.750   0.6754   0.00915   0.00406  -0.0726   0.6537   0.9109
   3.000   0.7008   0.00918   0.00413  -0.0724   0.6510   0.9116
   3.250   0.7269   0.00918   0.00415  -0.0724   0.6484   0.9123
   3.500   0.7534   0.00917   0.00415  -0.0724   0.6459   0.9130
   3.750   0.7803   0.00916   0.00414  -0.0725   0.6439   0.9138
   4.000   0.8073   0.00916   0.00418  -0.0726   0.6416   0.9143
   4.250   0.8318   0.00921   0.00430  -0.0722   0.6382   0.9149
   4.500   0.8573   0.00923   0.00438  -0.0721   0.6348   0.9155
   4.750   0.8836   0.00924   0.00443  -0.0721   0.6320   0.9161
   5.000   0.9108   0.00923   0.00445  -0.0722   0.6293   0.9166
   5.250   0.9348   0.00930   0.00461  -0.0718   0.6249   0.9174
   5.500   0.9595   0.00935   0.00474  -0.0714   0.6208   0.9181
   5.750   0.9853   0.00936   0.00480  -0.0713   0.6172   0.9187
   6.000   1.0092   0.00941   0.00493  -0.0709   0.6111   0.9195
   6.250   1.0318   0.00939   0.00496  -0.0700   0.5993   0.9206
   6.500   1.0489   0.00942   0.00493  -0.0680   0.5713   0.9221
   6.750   1.0537   0.00982   0.00509  -0.0637   0.5225   0.9240
   7.000   1.0404   0.01075   0.00571  -0.0563   0.4643   0.9269
   7.250   1.0184   0.01297   0.00753  -0.0497   0.3860   0.9307
   7.500   1.0142   0.01590   0.01015  -0.0490   0.3206   0.9339
   8.000   0.9885   0.02217   0.01541  -0.0443   0.1366   0.9403
   8.250   0.9901   0.02429   0.01721  -0.0431   0.0777   0.9427
   8.500   0.9899   0.02659   0.01918  -0.0418   0.0195   0.9454
   8.750   1.0050   0.02778   0.02037  -0.0417   0.0113   0.9472
   9.000   1.0218   0.02886   0.02151  -0.0416   0.0092   0.9492
   9.250   1.0377   0.03003   0.02275  -0.0415   0.0072   0.9512
   9.500   1.0529   0.03126   0.02406  -0.0415   0.0061   0.9535
  10.000   1.0796   0.03420   0.02717  -0.0412   0.0048   0.9595
  10.250   1.1002   0.03516   0.02817  -0.0419   0.0040   0.9632
  10.500   1.1109   0.03696   0.03008  -0.0416   0.0045   0.9681
  10.750   1.1287   0.03804   0.03121  -0.0421   0.0035   0.9824
  11.250   1.1491   0.04154   0.03487  -0.0406   0.0033   1.0000
  11.500   1.1583   0.04317   0.03655  -0.0400   0.0030   1.0000
  11.750   1.1644   0.04514   0.03861  -0.0390   0.0030   1.0000
  12.000   1.1709   0.04708   0.04063  -0.0381   0.0030   1.0000
  12.250   1.1765   0.04910   0.04273  -0.0373   0.0029   1.0000
  12.500   1.1775   0.05157   0.04528  -0.0360   0.0026   1.0000
  12.750   1.1805   0.05386   0.04766  -0.0350   0.0026   1.0000
  13.000   1.1894   0.05569   0.04962  -0.0342   0.0023   1.0000
  13.250   1.1964   0.05763   0.05164  -0.0336   0.0024   1.0000
  13.500   1.2015   0.05977   0.05390  -0.0326   0.0023   1.0000
  13.750   1.2074   0.06187   0.05612  -0.0317   0.0022   1.0000
  14.000   1.2137   0.06397   0.05833  -0.0310   0.0021   1.0000
  14.250   1.2192   0.06619   0.06070  -0.0302   0.0022   1.0000
  14.500   1.2229   0.06861   0.06328  -0.0292   0.0021   1.0000
  14.750   1.2273   0.07102   0.06582  -0.0287   0.0022   1.0000
  15.000   1.2269   0.07412   0.06915  -0.0275   0.0020   1.0000
  15.250   1.2289   0.07700   0.07217  -0.0272   0.0021   1.0000
  15.500   1.2258   0.08060   0.07598  -0.0267   0.0021   1.0000
  15.750   1.2192   0.08483   0.08044  -0.0263   0.0020   1.0000
  16.000   1.2139   0.08895   0.08475  -0.0265   0.0020   1.0000
  16.250   1.2058   0.09364   0.08964  -0.0270   0.0021   1.0000
  16.500   1.1951   0.09887   0.09508  -0.0279   0.0020   1.0000
  16.750   1.1790   0.10514   0.10159  -0.0291   0.0020   1.0000
  17.000   1.1709   0.11026   0.10685  -0.0308   0.0021   1.0000
  17.250   1.1567   0.11672   0.11351  -0.0331   0.0021   1.0000
  17.500   1.1371   0.12452   0.12153  -0.0361   0.0021   1.0000
  17.750   1.1190   0.13244   0.12964  -0.0397   0.0021   1.0000
  18.000   1.1009   0.14079   0.13817  -0.0440   0.0021   1.0000
  18.250   1.0930   0.14711   0.14460  -0.0477   0.0022   1.0000
  18.500   1.0646   0.15930   0.15702  -0.0545   0.0021   1.0000
  18.750   1.0568   0.16656   0.16436  -0.0591   0.0022   1.0000
  19.000   1.0281   0.18162   0.17961  -0.0679   0.0022   1.0000
  19.250   1.0121   0.19400   0.19208  -0.0748   0.0023   1.0000
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