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EPPLER 551 AIRFOIL (e551-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 551 AIRFOIL (e551-il)
Reynolds number: 500,000
Max Cl/Cd: 95.55 at α=7°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e551-il-500000-n5.txt
Download as CSV file: xf-e551-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 551 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
  ------ -------- --------- --------- -------- -------- --------
 -18.250  -0.6690   0.12678   0.12357  -0.0445   1.0000   0.0040
 -18.000  -0.6907   0.11814   0.11477  -0.0487   1.0000   0.0039
 -17.750  -0.7081   0.11063   0.10714  -0.0524   1.0000   0.0039
 -17.500  -0.7249   0.10351   0.09988  -0.0559   1.0000   0.0039
 -17.250  -0.7386   0.09718   0.09344  -0.0589   1.0000   0.0040
 -17.000  -0.7488   0.09167   0.08780  -0.0616   1.0000   0.0039
 -16.750  -0.7587   0.08638   0.08241  -0.0640   1.0000   0.0040
 -16.500  -0.7673   0.08152   0.07744  -0.0662   1.0000   0.0039
 -16.250  -0.7754   0.07688   0.07269  -0.0681   1.0000   0.0040
 -16.000  -0.7799   0.07294   0.06865  -0.0697   1.0000   0.0040
 -15.750  -0.7849   0.06907   0.06468  -0.0711   1.0000   0.0039
 -15.500  -0.7896   0.06538   0.06090  -0.0724   1.0000   0.0040
 -15.250  -0.7901   0.06229   0.05775  -0.0734   1.0000   0.0041
 -15.000  -0.7936   0.05901   0.05438  -0.0742   1.0000   0.0041
 -14.750  -0.7946   0.05615   0.05142  -0.0749   1.0000   0.0041
 -14.500  -0.7955   0.05337   0.04858  -0.0754   1.0000   0.0043
 -14.250  -0.7951   0.05088   0.04602  -0.0756   1.0000   0.0043
 -14.000  -0.7944   0.04852   0.04360  -0.0758   1.0000   0.0044
 -13.750  -0.7945   0.04623   0.04124  -0.0756   1.0000   0.0043
 -13.500  -0.7935   0.04417   0.03912  -0.0754   1.0000   0.0045
 -13.250  -0.7931   0.04215   0.03702  -0.0749   1.0000   0.0046
 -13.000  -0.7924   0.04025   0.03507  -0.0743   1.0000   0.0045
 -12.750  -0.7904   0.03838   0.03315  -0.0738   0.9998   0.0046
 -12.500  -0.7702   0.03616   0.03084  -0.0770   0.9961   0.0048
 -12.250  -0.7589   0.03417   0.02879  -0.0780   0.9819   0.0049
 -12.000  -0.7421   0.03229   0.02683  -0.0800   0.9631   0.0050
 -11.750  -0.7127   0.03032   0.02475  -0.0845   0.9502   0.0052
 -11.500  -0.6754   0.02820   0.02252  -0.0909   0.9396   0.0055
 -11.250  -0.6307   0.02617   0.02039  -0.0986   0.9273   0.0057
 -11.000  -0.5877   0.02455   0.01864  -0.1052   0.9097   0.0061
 -10.750  -0.5592   0.02325   0.01719  -0.1084   0.8866   0.0065
 -10.500  -0.5440   0.02212   0.01591  -0.1088   0.8650   0.0069
 -10.250  -0.5337   0.02108   0.01473  -0.1082   0.8465   0.0069
 -10.000  -0.5252   0.02006   0.01360  -0.1070   0.8313   0.0075
  -9.750  -0.5179   0.01907   0.01251  -0.1056   0.8172   0.0077
  -9.500  -0.5124   0.01815   0.01149  -0.1038   0.8044   0.0080
  -9.250  -0.5095   0.01744   0.01066  -0.1011   0.7925   0.0085
  -9.000  -0.4973   0.01689   0.01003  -0.0994   0.7822   0.0093
  -8.750  -0.4834   0.01635   0.00941  -0.0979   0.7729   0.0100
  -8.500  -0.4666   0.01586   0.00886  -0.0968   0.7637   0.0117
  -8.250  -0.4490   0.01538   0.00832  -0.0957   0.7555   0.0134
  -8.000  -0.4301   0.01492   0.00782  -0.0948   0.7468   0.0164
  -7.750  -0.4100   0.01450   0.00736  -0.0940   0.7393   0.0203
  -7.500  -0.3888   0.01408   0.00692  -0.0934   0.7316   0.0257
  -7.250  -0.3676   0.01366   0.00648  -0.0928   0.7243   0.0337
  -7.000  -0.3450   0.01326   0.00609  -0.0923   0.7169   0.0427
  -6.750  -0.3226   0.01287   0.00569  -0.0919   0.7095   0.0556
  -6.500  -0.2996   0.01242   0.00531  -0.0915   0.7028   0.0744
  -6.250  -0.2771   0.01190   0.00488  -0.0912   0.6960   0.1050
  -6.000  -0.2552   0.01125   0.00441  -0.0908   0.6898   0.1536
  -5.750  -0.2340   0.01040   0.00385  -0.0906   0.6829   0.2283
  -5.500  -0.2137   0.00942   0.00330  -0.0903   0.6764   0.3426
  -5.250  -0.1870   0.00922   0.00320  -0.0903   0.6700   0.3878
  -5.000  -0.1592   0.00917   0.00313  -0.0904   0.6636   0.4072
  -4.750  -0.1314   0.00917   0.00307  -0.0904   0.6581   0.4208
  -4.500  -0.1029   0.00916   0.00300  -0.0906   0.6521   0.4308
  -4.250  -0.0749   0.00918   0.00297  -0.0907   0.6459   0.4410
  -4.000  -0.0468   0.00923   0.00298  -0.0908   0.6401   0.4528
  -3.750  -0.0184   0.00929   0.00297  -0.0909   0.6340   0.4621
  -3.500   0.0096   0.00928   0.00291  -0.0910   0.6284   0.4651
  -3.250   0.0380   0.00927   0.00284  -0.0912   0.6234   0.4671
  -3.000   0.0664   0.00926   0.00278  -0.0913   0.6178   0.4693
  -2.750   0.0945   0.00927   0.00271  -0.0914   0.6123   0.4715
  -2.500   0.1229   0.00927   0.00265  -0.0916   0.6071   0.4735
  -2.250   0.1513   0.00927   0.00260  -0.0918   0.6016   0.4753
  -2.000   0.1795   0.00929   0.00255  -0.0919   0.5967   0.4770
  -1.750   0.2075   0.00928   0.00252  -0.0920   0.5922   0.4790
  -1.500   0.2359   0.00928   0.00250  -0.0922   0.5873   0.4811
  -1.250   0.2640   0.00929   0.00249  -0.0923   0.5821   0.4832
  -0.750   0.3203   0.00934   0.00247  -0.0926   0.5730   0.4872
  -0.500   0.3485   0.00936   0.00247  -0.0928   0.5684   0.4893
  -0.250   0.3765   0.00940   0.00247  -0.0929   0.5639   0.4913
   0.000   0.4045   0.00945   0.00248  -0.0930   0.5596   0.4932
   0.250   0.4326   0.00946   0.00250  -0.0931   0.5551   0.4955
   0.500   0.4605   0.00949   0.00254  -0.0932   0.5508   0.4979
   0.750   0.4881   0.00954   0.00257  -0.0933   0.5466   0.5002
   1.000   0.5161   0.00958   0.00261  -0.0934   0.5427   0.5026
   1.250   0.5441   0.00962   0.00266  -0.0935   0.5383   0.5050
   1.500   0.5719   0.00968   0.00271  -0.0936   0.5341   0.5074
   1.750   0.5993   0.00975   0.00276  -0.0937   0.5300   0.5097
   2.000   0.6270   0.00980   0.00282  -0.0937   0.5261   0.5120
   2.250   0.6547   0.00984   0.00290  -0.0938   0.5220   0.5146
   2.500   0.6821   0.00990   0.00298  -0.0938   0.5176   0.5176
   2.750   0.7090   0.00999   0.00306  -0.0938   0.5134   0.5208
   3.000   0.7365   0.01005   0.00316  -0.0938   0.5093   0.5239
   3.250   0.7638   0.01012   0.00324  -0.0939   0.5045   0.5267
   3.500   0.7904   0.01020   0.00334  -0.0937   0.4995   0.5295
   3.750   0.8169   0.01029   0.00345  -0.0936   0.4949   0.5326
   4.000   0.8439   0.01035   0.00357  -0.0936   0.4896   0.5360
   4.250   0.8701   0.01045   0.00369  -0.0934   0.4840   0.5396
   4.500   0.8960   0.01057   0.00381  -0.0932   0.4788   0.5430
   4.750   0.9225   0.01064   0.00394  -0.0931   0.4732   0.5468
   5.000   0.9480   0.01075   0.00409  -0.0928   0.4675   0.5510
   5.250   0.9735   0.01087   0.00424  -0.0925   0.4618   0.5556
   5.500   0.9991   0.01098   0.00439  -0.0922   0.4551   0.5600
   5.750   1.0229   0.01113   0.00456  -0.0916   0.4481   0.5642
   6.000   1.0482   0.01123   0.00473  -0.0913   0.4405   0.5690
   6.250   1.0712   0.01140   0.00491  -0.0905   0.4327   0.5741
   6.500   1.0955   0.01154   0.00510  -0.0900   0.4238   0.5790
   6.750   1.1175   0.01172   0.00532  -0.0891   0.4143   0.5845
   7.000   1.1389   0.01192   0.00554  -0.0881   0.4026   0.5907
   7.250   1.1596   0.01214   0.00579  -0.0870   0.3899   0.5970
   7.500   1.1778   0.01239   0.00605  -0.0854   0.3760   0.6040
   7.750   1.1925   0.01270   0.00634  -0.0832   0.3596   0.6110
   8.000   1.2050   0.01310   0.00672  -0.0806   0.3412   0.6180
   8.250   1.2157   0.01361   0.00718  -0.0778   0.3206   0.6257
   8.500   1.2252   0.01419   0.00771  -0.0750   0.2987   0.6333
   8.750   1.2321   0.01489   0.00835  -0.0718   0.2771   0.6419
   9.000   1.2393   0.01562   0.00903  -0.0688   0.2563   0.6508
   9.250   1.2454   0.01642   0.00979  -0.0659   0.2365   0.6611
   9.500   1.2515   0.01726   0.01062  -0.0631   0.2193   0.6722
   9.750   1.2557   0.01824   0.01157  -0.0602   0.2015   0.6843
  10.000   1.2607   0.01925   0.01258  -0.0576   0.1860   0.6988
  10.250   1.2647   0.02037   0.01369  -0.0550   0.1705   0.7145
  10.500   1.2695   0.02151   0.01486  -0.0527   0.1570   0.7324
  10.750   1.2741   0.02270   0.01611  -0.0505   0.1445   0.7538
  11.000   1.2782   0.02396   0.01743  -0.0484   0.1329   0.7811
  11.250   1.2811   0.02525   0.01884  -0.0462   0.1224   0.8236
  11.500   1.2875   0.02652   0.02033  -0.0449   0.1124   1.0000
  11.750   1.2909   0.02822   0.02200  -0.0434   0.1022   1.0000
  12.000   1.2956   0.02988   0.02366  -0.0421   0.0930   1.0000
  12.250   1.2986   0.03171   0.02548  -0.0409   0.0843   1.0000
  12.500   1.3014   0.03365   0.02740  -0.0398   0.0768   1.0000
  12.750   1.3048   0.03559   0.02935  -0.0388   0.0694   1.0000
  13.000   1.3087   0.03755   0.03133  -0.0379   0.0636   1.0000
  13.250   1.3112   0.03971   0.03348  -0.0372   0.0579   1.0000
  13.500   1.3152   0.04179   0.03560  -0.0365   0.0528   1.0000
  13.750   1.3175   0.04410   0.03792  -0.0360   0.0480   1.0000
  14.000   1.3210   0.04634   0.04019  -0.0356   0.0438   1.0000
  14.250   1.3235   0.04875   0.04262  -0.0352   0.0399   1.0000
  14.500   1.3263   0.05120   0.04510  -0.0350   0.0363   1.0000
  14.750   1.3290   0.05371   0.04765  -0.0348   0.0333   1.0000
  15.000   1.3312   0.05632   0.05030  -0.0348   0.0305   1.0000
  15.250   1.3340   0.05893   0.05294  -0.0348   0.0279   1.0000
  15.750   1.3375   0.06455   0.05866  -0.0352   0.0233   1.0000
  16.000   1.3392   0.06744   0.06160  -0.0355   0.0213   1.0000
  16.250   1.3408   0.07042   0.06464  -0.0359   0.0198   1.0000
  16.500   1.3422   0.07348   0.06775  -0.0364   0.0180   1.0000
  16.750   1.3428   0.07668   0.07101  -0.0369   0.0169   1.0000
  17.000   1.3444   0.07980   0.07421  -0.0376   0.0158   1.0000
  17.250   1.3450   0.08311   0.07758  -0.0384   0.0147   1.0000
  17.500   1.3445   0.08663   0.08117  -0.0393   0.0137   1.0000
  17.750   1.3448   0.09010   0.08472  -0.0402   0.0126   1.0000
  18.000   1.3446   0.09366   0.08836  -0.0413   0.0119   1.0000
  18.250   1.3428   0.09752   0.09229  -0.0425   0.0112   1.0000
  18.500   1.3425   0.10121   0.09606  -0.0438   0.0103   1.0000
  18.750   1.3414   0.10505   0.09998  -0.0451   0.0098   1.0000
  19.000   1.3384   0.10925   0.10426  -0.0468   0.0092   1.0000
  19.250   1.3367   0.11326   0.10836  -0.0484   0.0087   1.0000
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