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GOE 681 AIRFOIL (goe681-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: GOE 681 AIRFOIL (goe681-il)
Reynolds number: 200,000
Max Cl/Cd: 61.69 at α=2.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-goe681-il-200000.txt
Download as CSV file: xf-goe681-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: GOE 681 AIRFOIL                                 
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -10.750  -0.5928   0.05006   0.04527  -0.0971   0.9702   0.0584
 -10.500  -0.5881   0.04600   0.04092  -0.0988   0.9601   0.0580
 -10.250  -0.5757   0.04192   0.03647  -0.1013   0.9543   0.0579
 -10.000  -0.5682   0.03907   0.03330  -0.1010   0.9440   0.0579
  -9.750  -0.5479   0.03611   0.02987  -0.1026   0.9393   0.0582
  -9.500  -0.5296   0.03381   0.02739  -0.1025   0.9315   0.0586
  -9.250  -0.5013   0.03174   0.02516  -0.1039   0.9265   0.0590
  -9.000  -0.4678   0.02980   0.02303  -0.1059   0.9231   0.0594
  -8.750  -0.4410   0.02836   0.02145  -0.1064   0.9169   0.0599
  -8.500  -0.4152   0.02710   0.02005  -0.1065   0.9096   0.0605
  -8.250  -0.3813   0.02572   0.01853  -0.1080   0.9054   0.0612
  -8.000  -0.3554   0.02467   0.01733  -0.1078   0.8982   0.0620
  -7.750  -0.3293   0.02368   0.01620  -0.1075   0.8907   0.0629
  -7.500  -0.2960   0.02267   0.01499  -0.1085   0.8859   0.0641
  -7.250  -0.2749   0.02189   0.01419  -0.1073   0.8769   0.0653
  -7.000  -0.2462   0.02112   0.01345  -0.1075   0.8701   0.0669
  -6.750  -0.2153   0.02040   0.01267  -0.1080   0.8646   0.0689
  -6.500  -0.1963   0.01994   0.01214  -0.1061   0.8550   0.0705
  -6.250  -0.1681   0.01918   0.01136  -0.1061   0.8486   0.0726
  -6.000  -0.1463   0.01870   0.01091  -0.1049   0.8407   0.0750
  -5.750  -0.1228   0.01825   0.01040  -0.1038   0.8328   0.0786
  -5.500  -0.0959   0.01762   0.00979  -0.1036   0.8271   0.0833
  -5.250  -0.0784   0.01721   0.00942  -0.1015   0.8181   0.0899
  -5.000  -0.0554   0.01661   0.00888  -0.1005   0.8110   0.1042
  -4.750  -0.0308   0.01601   0.00846  -0.0999   0.8052   0.1355
  -4.500  -0.0110   0.01595   0.00850  -0.0982   0.7962   0.1618
  -4.250   0.0181   0.01593   0.00840  -0.0980   0.7891   0.1839
  -4.000   0.0417   0.01596   0.00840  -0.0969   0.7803   0.1989
  -3.750   0.0673   0.01586   0.00825  -0.0960   0.7711   0.2120
  -3.500   0.0933   0.01580   0.00810  -0.0953   0.7624   0.2254
  -3.250   0.1171   0.01575   0.00802  -0.0942   0.7530   0.2376
  -3.000   0.1461   0.01559   0.00780  -0.0941   0.7466   0.2494
  -2.750   0.1675   0.01560   0.00778  -0.0926   0.7376   0.2598
  -2.500   0.1941   0.01538   0.00758  -0.0921   0.7303   0.2711
  -2.250   0.2201   0.01537   0.00747  -0.0914   0.7231   0.2824
  -2.000   0.2437   0.01514   0.00734  -0.0904   0.7146   0.2931
  -1.750   0.2727   0.01503   0.00709  -0.0903   0.7078   0.3031
  -1.500   0.2949   0.01481   0.00699  -0.0890   0.6991   0.3121
  -1.250   0.3218   0.01467   0.00678  -0.0885   0.6911   0.3223
  -1.000   0.3463   0.01447   0.00665  -0.0876   0.6829   0.3344
  -0.750   0.3706   0.01431   0.00651  -0.0866   0.6742   0.3486
  -0.250   0.4185   0.01394   0.00627  -0.0846   0.6568   0.3855
   0.000   0.4443   0.01366   0.00609  -0.0839   0.6492   0.4191
   0.250   0.4608   0.01331   0.00610  -0.0815   0.6389   0.4870
   0.500   0.4760   0.01259   0.00605  -0.0785   0.6308   0.6648
   0.750   0.5403   0.01236   0.00641  -0.0844   0.6180   0.8988
   1.000   0.6016   0.01256   0.00649  -0.0903   0.6054   0.9460
   1.250   0.6552   0.01274   0.00648  -0.0949   0.5922   0.9689
   1.500   0.7093   0.01285   0.00648  -0.1000   0.5758   0.9851
   1.750   0.7652   0.01293   0.00642  -0.1056   0.5581   0.9982
   2.000   0.7872   0.01300   0.00640  -0.1046   0.5426   1.0000
   2.250   0.8014   0.01310   0.00640  -0.1020   0.5272   1.0000
   2.500   0.8151   0.01324   0.00641  -0.0992   0.5107   1.0000
   2.750   0.8279   0.01342   0.00646  -0.0963   0.4931   1.0000
   3.000   0.8400   0.01363   0.00654  -0.0933   0.4750   1.0000
   3.250   0.8518   0.01389   0.00666  -0.0902   0.4575   1.0000
   3.500   0.8635   0.01418   0.00680  -0.0871   0.4410   1.0000
   4.000   0.8885   0.01481   0.00718  -0.0812   0.4127   1.0000
   4.250   0.9022   0.01515   0.00741  -0.0785   0.4011   1.0000
   4.500   0.9163   0.01554   0.00764  -0.0760   0.3913   1.0000
   4.750   0.9314   0.01586   0.00792  -0.0736   0.3817   1.0000
   5.000   0.9475   0.01628   0.00818  -0.0714   0.3737   1.0000
   5.250   0.9635   0.01661   0.00849  -0.0692   0.3659   1.0000
   5.500   0.9801   0.01699   0.00879  -0.0672   0.3588   1.0000
   5.750   0.9990   0.01743   0.00913  -0.0656   0.3525   1.0000
   6.000   1.0147   0.01777   0.00946  -0.0634   0.3465   1.0000
   6.250   1.0329   0.01817   0.00979  -0.0617   0.3412   1.0000
   6.500   1.0571   0.01869   0.01020  -0.0612   0.3361   1.0000
   6.750   1.0720   0.01903   0.01059  -0.0589   0.3316   1.0000
   7.000   1.0899   0.01942   0.01097  -0.0572   0.3271   1.0000
   7.250   1.1110   0.01986   0.01135  -0.0562   0.3230   1.0000
   7.500   1.1400   0.02047   0.01185  -0.0567   0.3186   1.0000
   7.750   1.1532   0.02083   0.01230  -0.0542   0.3151   1.0000
   8.000   1.1704   0.02125   0.01275  -0.0524   0.3114   1.0000
   8.250   1.1907   0.02170   0.01319  -0.0513   0.3079   1.0000
   8.500   1.2152   0.02221   0.01365  -0.0510   0.3048   1.0000
   8.750   1.2501   0.02296   0.01432  -0.0527   0.3013   1.0000
   9.000   1.2624   0.02339   0.01487  -0.0501   0.2990   1.0000
   9.250   1.2781   0.02389   0.01544  -0.0483   0.2963   1.0000
   9.500   1.2953   0.02439   0.01599  -0.0467   0.2934   1.0000
   9.750   1.3149   0.02489   0.01650  -0.0456   0.2904   1.0000
  10.000   1.3396   0.02544   0.01702  -0.0454   0.2878   1.0000
  10.250   1.3804   0.02637   0.01786  -0.0482   0.2845   1.0000
  10.500   1.3861   0.02685   0.01849  -0.0448   0.2826   1.0000
  10.750   1.3943   0.02741   0.01917  -0.0419   0.2801   1.0000
  11.000   1.4044   0.02796   0.01980  -0.0394   0.2771   1.0000
  11.250   1.4185   0.02846   0.02034  -0.0377   0.2739   1.0000
  11.500   1.4392   0.02894   0.02079  -0.0369   0.2710   1.0000
  11.750   1.4756   0.02976   0.02151  -0.0388   0.2676   1.0000
  12.000   1.4775   0.03043   0.02236  -0.0353   0.2658   1.0000
  12.250   1.4800   0.03118   0.02327  -0.0321   0.2634   1.0000
  12.500   1.4869   0.03194   0.02414  -0.0297   0.2607   1.0000
  12.750   1.4973   0.03260   0.02485  -0.0278   0.2579   1.0000
  13.000   1.5140   0.03308   0.02533  -0.0268   0.2549   1.0000
  13.250   1.5466   0.03359   0.02572  -0.0277   0.2516   1.0000
  13.500   1.5429   0.03466   0.02697  -0.0244   0.2494   1.0000
  13.750   1.5374   0.03583   0.02832  -0.0212   0.2467   1.0000
  14.000   1.5381   0.03687   0.02948  -0.0188   0.2436   1.0000
  14.250   1.5468   0.03764   0.03028  -0.0173   0.2406   1.0000
  14.500   1.5660   0.03804   0.03063  -0.0167   0.2375   1.0000
  14.750   1.5841   0.03887   0.03147  -0.0162   0.2348   1.0000
  15.000   1.5736   0.04069   0.03352  -0.0134   0.2327   1.0000
  15.250   1.5668   0.04251   0.03551  -0.0113   0.2301   1.0000
  15.500   1.5670   0.04403   0.03715  -0.0098   0.2274   1.0000
  15.750   1.5752   0.04502   0.03817  -0.0088   0.2244   1.0000
  16.000   1.5964   0.04526   0.03832  -0.0084   0.2213   1.0000
  16.250   1.5919   0.04731   0.04052  -0.0070   0.2187   1.0000
  16.500   1.5762   0.05022   0.04367  -0.0055   0.2162   1.0000
  16.750   1.5681   0.05280   0.04640  -0.0045   0.2135   1.0000
  17.000   1.5699   0.05457   0.04824  -0.0038   0.2105   1.0000
  17.250   1.5838   0.05530   0.04894  -0.0035   0.2075   1.0000
  17.500   1.5856   0.05723   0.05094  -0.0030   0.2044   1.0000
  17.750   1.5603   0.06194   0.05591  -0.0027   0.2017   1.0000
  18.000   1.5449   0.06590   0.06004  -0.0028   0.1983   1.0000
  18.250   1.5501   0.06765   0.06181  -0.0029   0.1946   1.0000
  18.500   1.5621   0.06870   0.06282  -0.0028   0.1910   1.0000
  18.750   1.5240   0.07590   0.07032  -0.0040   0.1879   1.0000
  19.000   1.4983   0.08196   0.07657  -0.0055   0.1843   1.0000
  19.250   1.5068   0.08361   0.07821  -0.0059   0.1801   1.0000
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