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EPPLER 1230 AIRFOIL (e1230-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: EPPLER 1230 AIRFOIL (e1230-il)
Reynolds number: 200,000
Max Cl/Cd: 60.89 at α=8°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-e1230-il-200000-n5.txt
Download as CSV file: xf-e1230-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 1230 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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.000  -0.6411   0.07274   0.06792  -0.0669   1.0000   0.0156
 -13.750  -0.6722   0.06454   0.05946  -0.0719   1.0000   0.0155
 -13.250  -0.7079   0.05470   0.04929  -0.0759   1.0000   0.0156
 -13.000  -0.7206   0.05110   0.04555  -0.0763   1.0000   0.0156
 -12.750  -0.7312   0.04801   0.04235  -0.0761   1.0000   0.0157
 -12.500  -0.7402   0.04533   0.03957  -0.0754   1.0000   0.0157
 -12.250  -0.7483   0.04297   0.03711  -0.0742   1.0000   0.0158
 -12.000  -0.7562   0.04090   0.03494  -0.0725   1.0000   0.0159
 -11.750  -0.7644   0.03914   0.03309  -0.0701   1.0000   0.0160
 -11.500  -0.7737   0.03768   0.03155  -0.0667   1.0000   0.0161
 -11.250  -0.7851   0.03651   0.03029  -0.0622   1.0000   0.0162
 -11.000  -0.7931   0.03541   0.02912  -0.0578   1.0000   0.0164
 -10.750  -0.7890   0.03411   0.02773  -0.0555   0.9990   0.0166
 -10.500  -0.7605   0.03239   0.02583  -0.0577   0.9944   0.0170
 -10.250  -0.7324   0.03076   0.02403  -0.0595   0.9888   0.0175
 -10.000  -0.7039   0.02928   0.02237  -0.0611   0.9829   0.0181
  -9.750  -0.6744   0.02793   0.02086  -0.0627   0.9769   0.0188
  -9.250  -0.6256   0.02583   0.01869  -0.0633   0.9558   0.0202
  -9.000  -0.6045   0.02484   0.01761  -0.0626   0.9410   0.0210
  -8.750  -0.5792   0.02379   0.01643  -0.0626   0.9279   0.0218
  -8.500  -0.5496   0.02270   0.01530  -0.0636   0.9162   0.0226
  -8.250  -0.5155   0.02172   0.01426  -0.0654   0.9034   0.0237
  -8.000  -0.4777   0.02075   0.01319  -0.0678   0.8891   0.0252
  -7.750  -0.4375   0.01980   0.01214  -0.0707   0.8724   0.0270
  -7.500  -0.3963   0.01900   0.01121  -0.0736   0.8524   0.0299
  -7.250  -0.3600   0.01828   0.01040  -0.0756   0.8293   0.0332
  -7.000  -0.3305   0.01770   0.00972  -0.0761   0.8048   0.0369
  -6.750  -0.3044   0.01723   0.00914  -0.0759   0.7818   0.0417
  -6.500  -0.2799   0.01685   0.00867  -0.0754   0.7602   0.0483
  -6.250  -0.2564   0.01651   0.00824  -0.0746   0.7401   0.0561
  -6.000  -0.2331   0.01622   0.00787  -0.0738   0.7216   0.0648
  -5.750  -0.2098   0.01596   0.00753  -0.0729   0.7042   0.0741
  -5.500  -0.1867   0.01571   0.00722  -0.0720   0.6877   0.0840
  -5.250  -0.1636   0.01548   0.00692  -0.0711   0.6724   0.0948
  -5.000  -0.1405   0.01525   0.00664  -0.0702   0.6574   0.1073
  -4.750  -0.1175   0.01500   0.00638  -0.0693   0.6433   0.1222
  -4.500  -0.0945   0.01476   0.00611  -0.0684   0.6303   0.1392
  -4.250  -0.0716   0.01452   0.00586  -0.0675   0.6174   0.1591
  -4.000  -0.0490   0.01423   0.00561  -0.0666   0.6048   0.1848
  -3.750  -0.0268   0.01393   0.00537  -0.0656   0.5933   0.2203
  -3.500  -0.0052   0.01357   0.00514  -0.0645   0.5818   0.2708
  -3.250   0.0152   0.01313   0.00493  -0.0633   0.5711   0.3396
  -3.000   0.0343   0.01270   0.00480  -0.0617   0.5606   0.4280
  -2.750   0.0552   0.01248   0.00487  -0.0602   0.5506   0.5128
  -2.500   0.0787   0.01253   0.00497  -0.0590   0.5408   0.5615
  -2.250   0.1040   0.01262   0.00502  -0.0582   0.5309   0.5911
  -2.000   0.1292   0.01277   0.00507  -0.0574   0.5214   0.6115
  -1.750   0.1552   0.01289   0.00511  -0.0568   0.5121   0.6276
  -1.500   0.1810   0.01305   0.00513  -0.0562   0.5036   0.6418
  -1.250   0.2071   0.01317   0.00517  -0.0557   0.4953   0.6545
  -1.000   0.2326   0.01329   0.00519  -0.0551   0.4868   0.6666
  -0.750   0.2578   0.01340   0.00523  -0.0543   0.4788   0.6802
  -0.500   0.2829   0.01347   0.00528  -0.0535   0.4706   0.6935
  -0.250   0.3082   0.01358   0.00528  -0.0529   0.4636   0.7039
   0.000   0.3347   0.01361   0.00531  -0.0525   0.4563   0.7103
   0.250   0.3609   0.01369   0.00530  -0.0521   0.4494   0.7163
   0.500   0.3872   0.01376   0.00529  -0.0518   0.4428   0.7210
   0.750   0.4139   0.01381   0.00530  -0.0515   0.4356   0.7249
   1.000   0.4400   0.01390   0.00530  -0.0512   0.4291   0.7291
   1.250   0.4667   0.01399   0.00533  -0.0510   0.4231   0.7333
   1.500   0.4934   0.01407   0.00537  -0.0508   0.4170   0.7368
   1.750   0.5195   0.01417   0.00541  -0.0505   0.4115   0.7404
   2.000   0.5459   0.01426   0.00548  -0.0503   0.4061   0.7443
   2.250   0.5724   0.01436   0.00555  -0.0501   0.4001   0.7482
   2.750   0.6242   0.01461   0.00572  -0.0495   0.3898   0.7558
   3.000   0.6507   0.01470   0.00584  -0.0493   0.3848   0.7600
   3.250   0.6768   0.01483   0.00597  -0.0490   0.3800   0.7642
   3.750   0.7280   0.01514   0.00624  -0.0484   0.3711   0.7735
   4.000   0.7540   0.01527   0.00641  -0.0481   0.3662   0.7794
   4.500   0.8048   0.01560   0.00675  -0.0474   0.3577   0.7922
   4.750   0.8303   0.01580   0.00695  -0.0471   0.3541   0.8003
   5.000   0.8560   0.01594   0.00719  -0.0468   0.3501   0.8109
   5.250   0.8814   0.01609   0.00743  -0.0465   0.3459   0.8266
   5.750   0.9376   0.01650   0.00796  -0.0468   0.3382   0.9054
   6.000   0.9793   0.01677   0.00832  -0.0500   0.3342   0.9566
   6.250   1.0130   0.01705   0.00865  -0.0517   0.3303   1.0000
   6.500   1.0351   0.01731   0.00890  -0.0509   0.3270   1.0000
   6.750   1.0570   0.01760   0.00915  -0.0500   0.3237   1.0000
   7.000   1.0790   0.01794   0.00943  -0.0492   0.3206   1.0000
   7.250   1.1010   0.01821   0.00976  -0.0484   0.3174   1.0000
   7.500   1.1230   0.01851   0.01010  -0.0476   0.3142   1.0000
   7.750   1.1447   0.01882   0.01045  -0.0468   0.3111   1.0000
   8.000   1.1660   0.01915   0.01078  -0.0459   0.3083   1.0000
   8.250   1.1872   0.01950   0.01111  -0.0451   0.3055   1.0000
   8.500   1.2084   0.01989   0.01149  -0.0442   0.3027   1.0000
   8.750   1.2280   0.02022   0.01191  -0.0431   0.2997   1.0000
   9.000   1.2472   0.02058   0.01234  -0.0419   0.2967   1.0000
   9.250   1.2663   0.02097   0.01277  -0.0408   0.2939   1.0000
   9.500   1.2853   0.02137   0.01320  -0.0396   0.2914   1.0000
   9.750   1.3044   0.02179   0.01362  -0.0385   0.2888   1.0000
  10.000   1.3237   0.02226   0.01409  -0.0375   0.2863   1.0000
  10.250   1.3404   0.02272   0.01468  -0.0361   0.2834   1.0000
  10.500   1.3573   0.02321   0.01526  -0.0348   0.2806   1.0000
  10.750   1.3741   0.02372   0.01584  -0.0336   0.2779   1.0000
  11.000   1.3905   0.02424   0.01642  -0.0323   0.2752   1.0000
  11.250   1.4072   0.02478   0.01697  -0.0311   0.2726   1.0000
  11.500   1.4244   0.02536   0.01756  -0.0300   0.2701   1.0000
  11.750   1.4369   0.02605   0.01840  -0.0285   0.2672   1.0000
  12.000   1.4492   0.02677   0.01924  -0.0270   0.2639   1.0000
  12.250   1.4611   0.02751   0.02007  -0.0255   0.2607   1.0000
  12.500   1.4737   0.02826   0.02086  -0.0242   0.2577   1.0000
  12.750   1.4878   0.02901   0.02159  -0.0231   0.2548   1.0000
  13.000   1.4960   0.03006   0.02282  -0.0217   0.2517   1.0000
  13.250   1.5040   0.03119   0.02409  -0.0203   0.2482   1.0000
  13.500   1.5119   0.03236   0.02536  -0.0192   0.2448   1.0000
  13.750   1.5207   0.03351   0.02655  -0.0181   0.2415   1.0000
  14.000   1.5298   0.03469   0.02776  -0.0172   0.2384   1.0000
  14.250   1.5321   0.03648   0.02975  -0.0162   0.2346   1.0000
  14.500   1.5349   0.03831   0.03171  -0.0154   0.2307   1.0000
  14.750   1.5386   0.04009   0.03355  -0.0148   0.2270   1.0000
  15.000   1.5442   0.04172   0.03518  -0.0142   0.2236   1.0000
  15.250   1.5414   0.04435   0.03802  -0.0138   0.2197   1.0000
  15.500   1.5390   0.04700   0.04081  -0.0136   0.2155   1.0000
  15.750   1.5377   0.04955   0.04344  -0.0135   0.2115   1.0000
  16.000   1.5358   0.05227   0.04621  -0.0135   0.2077   1.0000
  16.250   1.5266   0.05601   0.05015  -0.0139   0.2031   1.0000
  16.500   1.5192   0.05959   0.05381  -0.0143   0.1986   1.0000
  16.750   1.5155   0.06270   0.05694  -0.0146   0.1944   1.0000
  17.000   1.4990   0.06774   0.06218  -0.0157   0.1897   1.0000
  17.250   1.4849   0.07249   0.06703  -0.0167   0.1847   1.0000
  17.500   1.4775   0.07632   0.07088  -0.0175   0.1802   1.0000
  17.750   1.4542   0.08262   0.07736  -0.0192   0.1750   1.0000
  18.000   1.4381   0.08792   0.08274  -0.0206   0.1697   1.0000
  18.250   1.4227   0.09318   0.08806  -0.0221   0.1647   1.0000
  18.500   1.3974   0.10007   0.09509  -0.0243   0.1589   1.0000
  18.750   1.3922   0.10390   0.09888  -0.0255   0.1536   1.0000
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