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FX 78-K-140/20 (fx78k140-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: FX 78-K-140/20 (fx78k140-il)
Reynolds number: 1,000,000
Max Cl/Cd: 153.09 at α=5.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx78k140-il-1000000-n5.txt
Download as CSV file: xf-fx78k140-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: FX 78-K-140/20                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -11.750  -0.6656   0.03387   0.03065  -0.0931   0.7088   0.0024
 -11.500  -0.7067   0.02775   0.02394  -0.0865   0.7076   0.0021
 -11.250  -0.6871   0.02732   0.02348  -0.0858   0.7066   0.0022
 -11.000  -0.6831   0.02515   0.02107  -0.0832   0.7056   0.0023
 -10.750  -0.6746   0.02350   0.01920  -0.0810   0.7045   0.0023
 -10.500  -0.6551   0.02286   0.01851  -0.0800   0.7035   0.0025
 -10.250  -0.6455   0.02121   0.01659  -0.0777   0.7025   0.0024
 -10.000  -0.6265   0.02050   0.01579  -0.0767   0.7014   0.0026
  -9.750  -0.6077   0.01971   0.01488  -0.0755   0.7004   0.0028
  -9.500  -0.5867   0.01919   0.01428  -0.0747   0.6994   0.0030
  -9.250  -0.5694   0.01819   0.01309  -0.0732   0.6983   0.0030
  -9.000  -0.5476   0.01769   0.01250  -0.0724   0.6972   0.0032
  -8.750  -0.5278   0.01692   0.01159  -0.0713   0.6962   0.0033
  -8.500  -0.5095   0.01586   0.01032  -0.0698   0.6954   0.0035
  -8.250  -0.4862   0.01546   0.00986  -0.0693   0.6946   0.0035
  -8.000  -0.4653   0.01471   0.00897  -0.0682   0.6936   0.0037
  -7.750  -0.4399   0.01457   0.00881  -0.0681   0.6927   0.0038
  -7.500  -0.4190   0.01378   0.00788  -0.0669   0.6916   0.0041
  -7.250  -0.3956   0.01331   0.00736  -0.0663   0.6904   0.0047
  -7.000  -0.3714   0.01295   0.00695  -0.0658   0.6894   0.0048
  -6.750  -0.3455   0.01283   0.00682  -0.0657   0.6883   0.0055
  -6.500  -0.3219   0.01238   0.00629  -0.0650   0.6874   0.0057
  -6.250  -0.2971   0.01209   0.00593  -0.0646   0.6865   0.0060
  -6.000  -0.2724   0.01178   0.00556  -0.0641   0.6855   0.0063
  -5.750  -0.2479   0.01148   0.00518  -0.0637   0.6845   0.0064
  -5.500  -0.2246   0.01102   0.00465  -0.0629   0.6835   0.0076
  -5.250  -0.1998   0.01072   0.00434  -0.0625   0.6824   0.0082
  -5.000  -0.1743   0.01051   0.00410  -0.0621   0.6816   0.0089
  -4.750  -0.1488   0.01030   0.00386  -0.0618   0.6806   0.0097
  -4.500  -0.1236   0.01005   0.00355  -0.0614   0.6796   0.0099
  -4.250  -0.0985   0.00979   0.00329  -0.0610   0.6785   0.0121
  -4.000  -0.0728   0.00961   0.00310  -0.0607   0.6773   0.0139
  -3.750  -0.0469   0.00945   0.00292  -0.0605   0.6762   0.0155
  -3.500  -0.0210   0.00928   0.00272  -0.0602   0.6752   0.0179
  -3.250   0.0047   0.00911   0.00257  -0.0600   0.6742   0.0225
  -3.000   0.0306   0.00896   0.00242  -0.0597   0.6731   0.0284
  -2.750   0.0566   0.00882   0.00229  -0.0595   0.6721   0.0350
  -2.500   0.0825   0.00869   0.00217  -0.0593   0.6709   0.0452
  -2.250   0.1085   0.00857   0.00207  -0.0591   0.6697   0.0554
  -2.000   0.1347   0.00845   0.00198  -0.0590   0.6686   0.0665
  -1.750   0.1609   0.00833   0.00190  -0.0588   0.6675   0.0800
  -1.500   0.1867   0.00819   0.00183  -0.0586   0.6662   0.1038
  -1.250   0.2118   0.00801   0.00177  -0.0583   0.6650   0.1398
  -1.000   0.2351   0.00771   0.00170  -0.0576   0.6636   0.2137
  -0.750   0.2595   0.00751   0.00165  -0.0572   0.6623   0.2688
  -0.500   0.2829   0.00725   0.00160  -0.0565   0.6610   0.3432
  -0.250   0.3049   0.00694   0.00156  -0.0556   0.6598   0.4356
   0.000   0.3232   0.00649   0.00149  -0.0539   0.6584   0.5700
   0.250   0.3306   0.00584   0.00149  -0.0496   0.6569   0.7718
   0.500   0.3536   0.00572   0.00153  -0.0486   0.6556   0.8267
   0.750   0.3814   0.00562   0.00159  -0.0487   0.6543   0.8748
   1.000   0.4163   0.00558   0.00163  -0.0504   0.6526   0.9042
   1.250   0.4625   0.00557   0.00168  -0.0547   0.6508   0.9307
   1.750   0.5377   0.00561   0.00171  -0.0596   0.6466   0.9431
   2.000   0.5724   0.00563   0.00172  -0.0614   0.6446   0.9459
   2.250   0.6041   0.00567   0.00174  -0.0625   0.6424   0.9509
   2.500   0.6368   0.00570   0.00180  -0.0639   0.6401   0.9537
   2.750   0.6714   0.00574   0.00185  -0.0658   0.6377   0.9554
   3.000   0.7050   0.00578   0.00190  -0.0673   0.6350   0.9572
   3.250   0.7374   0.00582   0.00195  -0.0687   0.6326   0.9596
   3.500   0.7678   0.00588   0.00200  -0.0695   0.6294   0.9627
   3.750   0.7955   0.00593   0.00209  -0.0698   0.6269   0.9668
   4.000   0.8288   0.00598   0.00218  -0.0714   0.6235   0.9680
   4.250   0.8611   0.00604   0.00226  -0.0727   0.6202   0.9695
   4.500   0.8928   0.00611   0.00236  -0.0739   0.6169   0.9712
   4.750   0.9240   0.00618   0.00247  -0.0750   0.6129   0.9733
   5.000   0.9540   0.00625   0.00258  -0.0759   0.6078   0.9760
   5.250   0.9798   0.00640   0.00267  -0.0758   0.5882   0.9799
   5.500   1.0099   0.00664   0.00286  -0.0769   0.5629   0.9816
   5.750   1.0316   0.00756   0.00345  -0.0768   0.4933   0.9859
   6.000   1.0484   0.00894   0.00444  -0.0764   0.4130   0.9914
   6.250   1.0470   0.01215   0.00684  -0.0752   0.2640   1.0000
   6.500   1.0249   0.01325   0.00789  -0.0673   0.2471   1.0000
   6.750   0.9959   0.01536   0.00968  -0.0594   0.1870   1.0000
   7.000   0.9850   0.01713   0.01118  -0.0546   0.1348   1.0000
   7.250   0.9806   0.01875   0.01256  -0.0510   0.0863   1.0000
   7.500   0.9685   0.02093   0.01436  -0.0467   0.0178   1.0000
   7.750   0.9836   0.02163   0.01507  -0.0456   0.0149   1.0000
   8.000   0.9957   0.02253   0.01596  -0.0442   0.0081   1.0000
   8.250   1.0092   0.02336   0.01679  -0.0430   0.0051   1.0000
   8.500   1.0234   0.02416   0.01764  -0.0419   0.0046   1.0000
   8.750   1.0393   0.02485   0.01833  -0.0412   0.0045   1.0000
   9.000   1.0536   0.02567   0.01919  -0.0401   0.0044   1.0000
   9.250   1.0649   0.02669   0.02024  -0.0388   0.0035   1.0000
   9.500   1.0775   0.02768   0.02127  -0.0377   0.0031   1.0000
   9.750   1.0928   0.02849   0.02210  -0.0370   0.0029   1.0000
  10.000   1.1067   0.02942   0.02307  -0.0361   0.0022   1.0000
  10.250   1.1173   0.03063   0.02436  -0.0348   0.0027   1.0000
  10.500   1.1310   0.03160   0.02534  -0.0340   0.0020   1.0000
  10.750   1.1384   0.03308   0.02688  -0.0326   0.0017   1.0000
  11.000   1.1499   0.03429   0.02814  -0.0317   0.0018   1.0000
  11.250   1.1573   0.03582   0.02974  -0.0303   0.0017   1.0000
  11.500   1.1739   0.03662   0.03057  -0.0299   0.0019   1.0000
  11.750   1.1754   0.03870   0.03274  -0.0282   0.0016   1.0000
  12.000   1.1763   0.04087   0.03502  -0.0266   0.0015   1.0000
  12.250   1.1846   0.04244   0.03666  -0.0256   0.0016   1.0000
  12.500   1.2009   0.04333   0.03756  -0.0254   0.0017   1.0000
  12.750   1.1970   0.04604   0.04041  -0.0235   0.0016   1.0000
  13.000   1.2084   0.04742   0.04186  -0.0229   0.0015   1.0000
  13.250   1.2171   0.04904   0.04354  -0.0222   0.0015   1.0000
  13.500   1.2287   0.05042   0.04496  -0.0218   0.0015   1.0000
  13.750   1.2208   0.05361   0.04832  -0.0197   0.0015   1.0000
  14.000   1.2345   0.05489   0.04965  -0.0196   0.0014   1.0000
  14.250   1.2307   0.05776   0.05266  -0.0180   0.0015   1.0000
  14.500   1.2453   0.05901   0.05392  -0.0183   0.0015   1.0000
  14.750   1.2445   0.06168   0.05673  -0.0171   0.0014   1.0000
  15.000   1.2500   0.06385   0.05900  -0.0165   0.0013   1.0000
  15.250   1.2425   0.06727   0.06263  -0.0146   0.0014   1.0000
  15.500   1.2556   0.06887   0.06425  -0.0153   0.0012   1.0000
  15.750   1.2641   0.07087   0.06630  -0.0157   0.0013   1.0000
  16.000   1.2663   0.07358   0.06912  -0.0154   0.0012   1.0000
  16.250   1.2638   0.07682   0.07251  -0.0149   0.0012   1.0000
  16.500   1.2645   0.07983   0.07563  -0.0149   0.0012   1.0000
  16.750   1.2552   0.08413   0.08013  -0.0144   0.0012   1.0000
  17.000   1.2430   0.08893   0.08514  -0.0142   0.0013   1.0000
  17.250   1.2213   0.09540   0.09190  -0.0142   0.0013   1.0000
  17.500   1.2467   0.09534   0.09171  -0.0159   0.0012   1.0000
  17.750   1.2587   0.09721   0.09356  -0.0171   0.0011   1.0000
  18.000   1.2114   0.10781   0.10462  -0.0178   0.0012   1.0000
  18.250   1.1838   0.11619   0.11328  -0.0198   0.0012   1.0000
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