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FX 66-S-171 AIRFOIL (fx66s171-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: FX 66-S-171 AIRFOIL (fx66s171-il)
Reynolds number: 500,000
Max Cl/Cd: 113.38 at α=8.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx66s171-il-500000-n5.txt
Download as CSV file: xf-fx66s171-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: FX 66-S-171 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.250  -0.6591   0.08374   0.08081  -0.0572   1.0000   0.0071
 -15.000  -0.6837   0.07524   0.07213  -0.0622   1.0000   0.0071
 -14.750  -0.7057   0.06776   0.06450  -0.0667   1.0000   0.0071
 -14.500  -0.7193   0.06217   0.05876  -0.0699   1.0000   0.0071
 -14.250  -0.7297   0.05746   0.05394  -0.0726   1.0000   0.0071
 -14.000  -0.7398   0.05307   0.04944  -0.0749   1.0000   0.0072
 -13.750  -0.7026   0.04653   0.04260  -0.0895   0.9246   0.0073
 -13.500  -0.6528   0.04127   0.03675  -0.1049   0.8320   0.0075
 -13.250  -0.6501   0.03940   0.03460  -0.1053   0.7856   0.0077
 -13.000  -0.6531   0.03695   0.03191  -0.1054   0.7580   0.0077
 -12.750  -0.6512   0.03495   0.02973  -0.1056   0.7381   0.0079
 -12.500  -0.6473   0.03316   0.02777  -0.1057   0.7217   0.0081
 -12.250  -0.6458   0.03116   0.02560  -0.1055   0.7081   0.0082
 -12.000  -0.6424   0.02938   0.02366  -0.1053   0.6960   0.0083
 -11.750  -0.6372   0.02779   0.02193  -0.1050   0.6850   0.0085
 -11.500  -0.6327   0.02625   0.02024  -0.1044   0.6754   0.0086
 -11.250  -0.6288   0.02483   0.01868  -0.1035   0.6662   0.0087
 -11.000  -0.6255   0.02368   0.01740  -0.1018   0.6582   0.0088
 -10.750  -0.6204   0.02280   0.01639  -0.0996   0.6505   0.0088
 -10.500  -0.6119   0.02170   0.01520  -0.0980   0.6438   0.0091
 -10.250  -0.5982   0.02088   0.01427  -0.0969   0.6367   0.0093
 -10.000  -0.5815   0.02019   0.01349  -0.0959   0.6303   0.0096
  -9.750  -0.5633   0.01954   0.01276  -0.0951   0.6238   0.0099
  -9.500  -0.5442   0.01894   0.01206  -0.0943   0.6179   0.0102
  -9.250  -0.5240   0.01834   0.01137  -0.0936   0.6126   0.0106
  -9.000  -0.5031   0.01777   0.01071  -0.0930   0.6071   0.0109
  -8.500  -0.4595   0.01670   0.00944  -0.0919   0.5975   0.0119
  -8.250  -0.4372   0.01616   0.00885  -0.0915   0.5927   0.0125
  -8.000  -0.4135   0.01577   0.00838  -0.0911   0.5882   0.0134
  -7.750  -0.3892   0.01538   0.00793  -0.0908   0.5842   0.0144
  -7.500  -0.3646   0.01500   0.00749  -0.0905   0.5799   0.0154
  -7.250  -0.3402   0.01459   0.00702  -0.0903   0.5758   0.0170
  -7.000  -0.3151   0.01428   0.00663  -0.0900   0.5721   0.0184
  -6.750  -0.2895   0.01394   0.00623  -0.0898   0.5686   0.0200
  -6.500  -0.2639   0.01360   0.00587  -0.0897   0.5648   0.0221
  -6.250  -0.2378   0.01333   0.00553  -0.0896   0.5610   0.0242
  -6.000  -0.2118   0.01305   0.00521  -0.0895   0.5574   0.0273
  -5.750  -0.1852   0.01281   0.00494  -0.0894   0.5542   0.0311
  -5.500  -0.1587   0.01252   0.00465  -0.0894   0.5511   0.0375
  -5.250  -0.1321   0.01225   0.00438  -0.0894   0.5480   0.0458
  -5.000  -0.1054   0.01199   0.00412  -0.0893   0.5450   0.0583
  -4.750  -0.0788   0.01173   0.00388  -0.0893   0.5424   0.0751
  -4.500  -0.0523   0.01140   0.00364  -0.0893   0.5399   0.1029
  -4.250  -0.0259   0.01101   0.00338  -0.0894   0.5372   0.1450
  -4.000   0.0002   0.01057   0.00312  -0.0895   0.5342   0.1999
  -3.750   0.0255   0.01001   0.00286  -0.0895   0.5313   0.2888
  -3.500   0.0523   0.00974   0.00272  -0.0896   0.5286   0.3422
  -3.000   0.1077   0.00952   0.00264  -0.0897   0.5240   0.4099
  -2.750   0.1363   0.00951   0.00262  -0.0899   0.5217   0.4291
  -2.500   0.1646   0.00951   0.00262  -0.0900   0.5193   0.4481
  -2.250   0.1931   0.00954   0.00263  -0.0901   0.5169   0.4620
  -2.000   0.2214   0.00957   0.00262  -0.0902   0.5146   0.4718
  -1.750   0.2498   0.00962   0.00262  -0.0904   0.5127   0.4800
  -1.500   0.2782   0.00966   0.00262  -0.0905   0.5108   0.4864
  -1.250   0.3070   0.00969   0.00260  -0.0907   0.5091   0.4905
  -1.000   0.3356   0.00969   0.00260  -0.0909   0.5072   0.4937
  -0.750   0.3642   0.00970   0.00260  -0.0911   0.5053   0.4972
  -0.500   0.3927   0.00973   0.00261  -0.0913   0.5033   0.5008
  -0.250   0.4211   0.00977   0.00261  -0.0914   0.5012   0.5044
   0.000   0.4494   0.00982   0.00262  -0.0916   0.4989   0.5075
   0.250   0.4774   0.00987   0.00264  -0.0917   0.4965   0.5106
   0.500   0.5057   0.00989   0.00268  -0.0918   0.4944   0.5142
   0.750   0.5342   0.00992   0.00272  -0.0920   0.4923   0.5180
   1.000   0.5627   0.00997   0.00275  -0.0922   0.4901   0.5217
   1.250   0.5908   0.00999   0.00280  -0.0924   0.4880   0.5249
   1.500   0.6190   0.01004   0.00286  -0.0925   0.4860   0.5283
   1.750   0.6470   0.01010   0.00291  -0.0926   0.4840   0.5320
   2.000   0.6749   0.01018   0.00297  -0.0928   0.4820   0.5359
   2.250   0.7029   0.01024   0.00305  -0.0929   0.4801   0.5395
   2.500   0.7310   0.01027   0.00313  -0.0930   0.4781   0.5437
   2.750   0.7590   0.01032   0.00322  -0.0932   0.4760   0.5484
   3.000   0.7870   0.01038   0.00331  -0.0933   0.4739   0.5533
   3.250   0.8147   0.01044   0.00341  -0.0934   0.4719   0.5583
   3.500   0.8424   0.01050   0.00350  -0.0935   0.4699   0.5637
   3.750   0.8699   0.01059   0.00361  -0.0936   0.4680   0.5689
   4.000   0.8972   0.01068   0.00372  -0.0937   0.4661   0.5750
   4.250   0.9248   0.01074   0.00386  -0.0938   0.4641   0.5819
   4.500   0.9523   0.01079   0.00400  -0.0939   0.4618   0.5884
   4.750   0.9796   0.01086   0.00413  -0.0939   0.4592   0.5953
   5.000   1.0067   0.01094   0.00426  -0.0939   0.4566   0.6022
   5.250   1.0335   0.01102   0.00440  -0.0939   0.4542   0.6104
   5.500   1.0600   0.01113   0.00454  -0.0939   0.4517   0.6190
   5.750   1.0869   0.01120   0.00471  -0.0939   0.4488   0.6290
   6.000   1.1136   0.01127   0.00489  -0.0938   0.4459   0.6397
   6.250   1.1399   0.01135   0.00507  -0.0937   0.4430   0.6525
   6.500   1.1659   0.01144   0.00525  -0.0936   0.4404   0.6678
   6.750   1.1915   0.01155   0.00543  -0.0934   0.4378   0.6855
   7.000   1.2171   0.01163   0.00565  -0.0932   0.4350   0.7062
   7.250   1.2425   0.01169   0.00588  -0.0929   0.4315   0.7332
   7.500   1.2667   0.01173   0.00610  -0.0924   0.4281   0.7710
   8.000   1.3183   0.01166   0.00652  -0.0919   0.4191   1.0000
   8.250   1.3402   0.01182   0.00667  -0.0911   0.4066   1.0000
   8.500   1.3586   0.01210   0.00689  -0.0896   0.3841   1.0000
   8.750   1.3719   0.01263   0.00729  -0.0874   0.3559   1.0000
   9.000   1.3808   0.01335   0.00785  -0.0846   0.3261   1.0000
   9.250   1.3857   0.01410   0.00849  -0.0810   0.3022   1.0000
   9.500   1.3869   0.01496   0.00924  -0.0770   0.2751   1.0000
   9.750   1.3800   0.01621   0.01033  -0.0721   0.2431   1.0000
  10.000   1.3673   0.01787   0.01183  -0.0670   0.2104   1.0000
  10.250   1.3537   0.01991   0.01375  -0.0627   0.1829   1.0000
  10.500   1.3391   0.02243   0.01618  -0.0593   0.1572   1.0000
  10.750   1.3251   0.02533   0.01900  -0.0567   0.1342   1.0000
  11.000   1.3111   0.02855   0.02214  -0.0547   0.1128   1.0000
  11.250   1.2961   0.03206   0.02557  -0.0530   0.0908   1.0000
  11.500   1.2872   0.03517   0.02865  -0.0517   0.0765   1.0000
  11.750   1.2771   0.03845   0.03189  -0.0506   0.0620   1.0000
  12.000   1.2672   0.04179   0.03521  -0.0496   0.0483   1.0000
  12.250   1.2617   0.04482   0.03823  -0.0489   0.0395   1.0000
  12.500   1.2573   0.04786   0.04127  -0.0484   0.0315   1.0000
  12.750   1.2547   0.05081   0.04422  -0.0480   0.0255   1.0000
  13.000   1.2535   0.05369   0.04711  -0.0477   0.0213   1.0000
  13.250   1.2550   0.05636   0.04983  -0.0476   0.0186   1.0000
  13.500   1.2555   0.05918   0.05269  -0.0475   0.0164   1.0000
  13.750   1.2585   0.06178   0.05534  -0.0475   0.0149   1.0000
  14.000   1.2597   0.06465   0.05825  -0.0476   0.0133   1.0000
  14.250   1.2623   0.06736   0.06101  -0.0477   0.0125   1.0000
  14.500   1.2650   0.07013   0.06386  -0.0478   0.0115   1.0000
  14.750   1.2674   0.07295   0.06673  -0.0481   0.0106   1.0000
  15.000   1.2686   0.07600   0.06983  -0.0484   0.0099   1.0000
  15.250   1.2711   0.07891   0.07281  -0.0488   0.0093   1.0000
  15.500   1.2741   0.08179   0.07576  -0.0492   0.0087   1.0000
  15.750   1.2768   0.08474   0.07877  -0.0496   0.0083   1.0000
  16.000   1.2785   0.08787   0.08196  -0.0502   0.0077   1.0000
  16.250   1.2795   0.09113   0.08528  -0.0508   0.0074   1.0000
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