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FX 78-K-140 A/20 (fx78k140a20-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: FX 78-K-140 A/20 (fx78k140a20-il)
Reynolds number: 1,000,000
Max Cl/Cd: 142.92 at α=5.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx78k140a20-il-1000000-n5.txt
Download as CSV file: xf-fx78k140a20-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -11.500  -0.5800   0.03146   0.02797  -0.1132   0.7049   0.0024
 -11.250  -0.5885   0.02845   0.02468  -0.1101   0.7038   0.0024
 -11.000  -0.5785   0.02686   0.02294  -0.1086   0.7028   0.0024
 -10.750  -0.5834   0.02382   0.01951  -0.1053   0.7018   0.0023
 -10.500  -0.5768   0.02169   0.01708  -0.1029   0.7008   0.0026
 -10.250  -0.5612   0.02059   0.01581  -0.1016   0.6999   0.0026
 -10.000  -0.5478   0.01915   0.01414  -0.0998   0.6989   0.0027
  -9.750  -0.5272   0.01856   0.01343  -0.0991   0.6979   0.0026
  -9.500  -0.5079   0.01769   0.01245  -0.0981   0.6967   0.0031
  -9.250  -0.4839   0.01742   0.01215  -0.0978   0.6959   0.0033
  -9.000  -0.4614   0.01692   0.01159  -0.0972   0.6950   0.0035
  -8.750  -0.4453   0.01553   0.00993  -0.0955   0.6942   0.0032
  -8.500  -0.4201   0.01534   0.00973  -0.0954   0.6933   0.0037
  -8.250  -0.3980   0.01469   0.00894  -0.0946   0.6923   0.0039
  -8.000  -0.3740   0.01430   0.00849  -0.0942   0.6914   0.0042
  -7.750  -0.3515   0.01369   0.00776  -0.0935   0.6904   0.0043
  -7.500  -0.3257   0.01353   0.00757  -0.0934   0.6892   0.0046
  -7.250  -0.3012   0.01317   0.00715  -0.0930   0.6882   0.0046
  -7.000  -0.2790   0.01250   0.00639  -0.0922   0.6872   0.0056
  -6.750  -0.2549   0.01207   0.00588  -0.0917   0.6863   0.0058
  -6.500  -0.2294   0.01186   0.00565  -0.0915   0.6855   0.0062
  -6.250  -0.2039   0.01163   0.00537  -0.0913   0.6845   0.0068
  -6.000  -0.1779   0.01147   0.00517  -0.0912   0.6836   0.0073
  -5.750  -0.1532   0.01112   0.00476  -0.0908   0.6827   0.0075
  -5.500  -0.1284   0.01079   0.00437  -0.0904   0.6818   0.0080
  -5.250  -0.1036   0.01046   0.00400  -0.0900   0.6808   0.0086
  -5.000  -0.0782   0.01020   0.00374  -0.0897   0.6798   0.0099
  -4.750  -0.0525   0.00998   0.00350  -0.0894   0.6788   0.0106
  -4.500  -0.0265   0.00979   0.00326  -0.0892   0.6777   0.0118
  -4.250  -0.0010   0.00956   0.00304  -0.0890   0.6766   0.0153
  -4.000   0.0251   0.00939   0.00286  -0.0888   0.6754   0.0175
  -3.750   0.0514   0.00925   0.00270  -0.0887   0.6745   0.0201
  -3.500   0.0775   0.00908   0.00255  -0.0885   0.6735   0.0252
  -3.250   0.1037   0.00895   0.00241  -0.0884   0.6725   0.0311
  -3.000   0.1300   0.00881   0.00229  -0.0883   0.6715   0.0397
  -2.750   0.1562   0.00869   0.00218  -0.0882   0.6704   0.0479
  -2.500   0.1824   0.00857   0.00209  -0.0880   0.6692   0.0608
  -2.250   0.2087   0.00844   0.00200  -0.0879   0.6683   0.0743
  -1.750   0.2603   0.00812   0.00186  -0.0876   0.6659   0.1275
  -1.500   0.2847   0.00787   0.00179  -0.0872   0.6645   0.1846
  -1.250   0.3086   0.00761   0.00174  -0.0867   0.6633   0.2544
  -1.000   0.3327   0.00738   0.00168  -0.0862   0.6620   0.3188
  -0.750   0.3565   0.00715   0.00164  -0.0857   0.6608   0.3863
  -0.500   0.3776   0.00681   0.00158  -0.0846   0.6596   0.4875
  -0.250   0.3930   0.00629   0.00151  -0.0823   0.6582   0.6364
   0.000   0.4037   0.00590   0.00167  -0.0785   0.6568   0.8062
   0.250   0.4288   0.00603   0.00180  -0.0779   0.6556   0.8395
   0.500   0.4546   0.00612   0.00191  -0.0775   0.6543   0.8525
   0.750   0.4807   0.00622   0.00203  -0.0772   0.6529   0.8624
   1.000   0.5061   0.00631   0.00213  -0.0767   0.6509   0.8713
   1.250   0.5336   0.00633   0.00216  -0.0767   0.6487   0.8750
   1.500   0.5609   0.00635   0.00218  -0.0768   0.6465   0.8779
   1.750   0.5881   0.00638   0.00220  -0.0768   0.6446   0.8800
   2.000   0.6152   0.00641   0.00220  -0.0769   0.6426   0.8813
   2.250   0.6424   0.00642   0.00222  -0.0770   0.6405   0.8822
   2.500   0.6697   0.00643   0.00225  -0.0771   0.6378   0.8827
   2.750   0.6969   0.00645   0.00228  -0.0773   0.6353   0.8832
   3.000   0.7238   0.00646   0.00229  -0.0773   0.6326   0.8838
   3.250   0.7507   0.00649   0.00231  -0.0774   0.6301   0.8844
   3.500   0.7776   0.00652   0.00235  -0.0775   0.6277   0.8848
   3.750   0.8046   0.00655   0.00241  -0.0776   0.6248   0.8851
   4.000   0.8315   0.00658   0.00248  -0.0777   0.6215   0.8855
   4.250   0.8579   0.00660   0.00251  -0.0776   0.6173   0.8859
   4.500   0.8845   0.00664   0.00257  -0.0777   0.6142   0.8863
   4.750   0.9114   0.00668   0.00265  -0.0778   0.6106   0.8867
   5.000   0.9379   0.00672   0.00274  -0.0778   0.6063   0.8872
   5.250   0.9634   0.00677   0.00281  -0.0776   0.6006   0.8876
   5.500   0.9847   0.00689   0.00288  -0.0765   0.5776   0.8882
   5.750   1.0064   0.00705   0.00301  -0.0756   0.5616   0.8888
   6.000   1.0153   0.00758   0.00334  -0.0721   0.5137   0.8900
   6.250   1.0071   0.00869   0.00408  -0.0655   0.4370   0.8917
   6.500   0.9869   0.01019   0.00514  -0.0571   0.3523   0.8937
   6.750   0.9935   0.01123   0.00600  -0.0545   0.3102   0.8949
   7.000   0.9922   0.01393   0.00832  -0.0536   0.2277   0.8964
   7.250   0.9807   0.01755   0.01133  -0.0523   0.1150   0.8979
   7.750   0.9988   0.02070   0.01408  -0.0509   0.0331   0.8993
   8.250   1.0289   0.02299   0.01626  -0.0504   0.0067   0.9004
   8.500   1.0478   0.02388   0.01719  -0.0505   0.0052   0.9009
   8.750   1.0668   0.02476   0.01811  -0.0506   0.0044   0.9015
   9.000   1.0861   0.02559   0.01896  -0.0507   0.0041   0.9022
   9.250   1.1028   0.02655   0.01995  -0.0505   0.0034   0.9029
   9.500   1.1161   0.02773   0.02119  -0.0500   0.0029   0.9036
   9.750   1.1323   0.02867   0.02217  -0.0497   0.0027   0.9043
  10.000   1.1450   0.02985   0.02341  -0.0489   0.0025   0.9050
  10.250   1.1617   0.03073   0.02432  -0.0487   0.0021   0.9056
  10.500   1.1717   0.03211   0.02578  -0.0477   0.0024   0.9064
  10.750   1.1893   0.03296   0.02666  -0.0476   0.0018   0.9070
  11.000   1.1977   0.03456   0.02836  -0.0466   0.0021   0.9078
  11.250   1.2128   0.03562   0.02944  -0.0463   0.0018   0.9086
  11.500   1.2257   0.03685   0.03070  -0.0458   0.0016   0.9094
  11.750   1.2339   0.03852   0.03247  -0.0449   0.0017   0.9103
  12.000   1.2419   0.04019   0.03423  -0.0440   0.0017   0.9112
  12.250   1.2512   0.04179   0.03590  -0.0432   0.0017   0.9120
  12.500   1.2598   0.04347   0.03760  -0.0425   0.0013   0.9129
  13.000   1.2626   0.04823   0.04260  -0.0401   0.0012   0.9149
  13.250   1.2684   0.05026   0.04472  -0.0394   0.0012   0.9161
  13.500   1.2707   0.05266   0.04725  -0.0384   0.0012   0.9174
  13.750   1.2802   0.05443   0.04911  -0.0381   0.0012   0.9187
  14.000   1.2869   0.05645   0.05122  -0.0376   0.0011   0.9202
  14.250   1.2895   0.05891   0.05379  -0.0368   0.0012   0.9218
  14.500   1.2941   0.06122   0.05621  -0.0362   0.0011   0.9234
  14.750   1.2960   0.06381   0.05892  -0.0356   0.0012   0.9252
  15.000   1.2978   0.06650   0.06175  -0.0349   0.0011   0.9271
  15.250   1.3024   0.06898   0.06432  -0.0348   0.0011   0.9297
  15.500   1.3023   0.07198   0.06748  -0.0343   0.0011   0.9328
  15.750   1.3015   0.07521   0.07088  -0.0339   0.0011   0.9360
  16.000   1.3006   0.07852   0.07434  -0.0338   0.0011   0.9401
  16.250   1.3015   0.08185   0.07781  -0.0342   0.0011   0.9459
  16.500   1.2990   0.08569   0.08183  -0.0347   0.0011   0.9529
  16.750   1.2910   0.09059   0.08695  -0.0353   0.0011   0.9610
  17.000   1.2930   0.09439   0.09086  -0.0371   0.0011   0.9835
  17.250   1.2843   0.09932   0.09593  -0.0371   0.0011   0.9998
  17.500   1.2709   0.10538   0.10222  -0.0386   0.0011   1.0000
  17.750   1.2538   0.11184   0.10890  -0.0401   0.0011   1.0000
  18.000   1.2412   0.11787   0.11509  -0.0421   0.0011   1.0000
  18.250   1.2377   0.12244   0.11973  -0.0440   0.0011   1.0000
  18.500   1.2099   0.13174   0.12930  -0.0475   0.0011   1.0000
  18.750   1.2004   0.13783   0.13550  -0.0505   0.0011   1.0000
  19.000   1.1790   0.14666   0.14452  -0.0548   0.0011   1.0000
  19.250   1.1652   0.15419   0.15219  -0.0590   0.0011   1.0000
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