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EPPLER 1230 AIRFOIL (e1230-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 1230 AIRFOIL (e1230-il)
Reynolds number: 200,000
Max Cl/Cd: 56.66 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e1230-il-200000.txt
Download as CSV file: xf-e1230-il-200000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -11.500  -0.5344   0.06748   0.06351  -0.0699   1.0000   0.0344
 -11.250  -0.5489   0.06364   0.05964  -0.0703   1.0000   0.0342
 -11.000  -0.5698   0.05988   0.05583  -0.0702   1.0000   0.0339
 -10.750  -0.5947   0.05662   0.05249  -0.0688   1.0000   0.0337
 -10.500  -0.6229   0.05417   0.04996  -0.0654   1.0000   0.0335
 -10.250  -0.6532   0.05236   0.04809  -0.0598   1.0000   0.0333
 -10.000  -0.6792   0.04985   0.04544  -0.0548   1.0000   0.0329
  -9.750  -0.7046   0.04720   0.04261  -0.0495   1.0000   0.0325
  -9.500  -0.7180   0.04308   0.03809  -0.0469   0.9974   0.0320
  -9.250  -0.6991   0.03776   0.03209  -0.0496   0.9901   0.0317
  -9.000  -0.6699   0.03444   0.02833  -0.0520   0.9834   0.0321
  -8.750  -0.6354   0.03173   0.02523  -0.0547   0.9778   0.0327
  -8.500  -0.6024   0.02960   0.02270  -0.0566   0.9695   0.0340
  -8.250  -0.5685   0.02773   0.02066  -0.0584   0.9608   0.0354
  -8.000  -0.5328   0.02643   0.01934  -0.0603   0.9519   0.0371
  -7.750  -0.4925   0.02481   0.01751  -0.0628   0.9458   0.0389
  -7.500  -0.4592   0.02324   0.01589  -0.0639   0.9350   0.0407
  -7.250  -0.4247   0.02207   0.01474  -0.0652   0.9243   0.0433
  -7.000  -0.3854   0.02074   0.01338  -0.0675   0.9164   0.0469
  -6.750  -0.3464   0.01974   0.01234  -0.0696   0.9045   0.0525
  -6.500  -0.3076   0.01870   0.01130  -0.0718   0.8903   0.0596
  -6.250  -0.2686   0.01763   0.01031  -0.0741   0.8740   0.0705
  -6.000  -0.2305   0.01685   0.00950  -0.0762   0.8545   0.0864
  -5.750  -0.1985   0.01615   0.00878  -0.0771   0.8326   0.1026
  -5.500  -0.1708   0.01569   0.00826  -0.0770   0.8106   0.1180
  -5.250  -0.1467   0.01532   0.00783  -0.0763   0.7889   0.1336
  -5.000  -0.1236   0.01498   0.00745  -0.0753   0.7689   0.1514
  -4.750  -0.1012   0.01463   0.00708  -0.0743   0.7504   0.1734
  -4.250  -0.0615   0.01365   0.00633  -0.0714   0.7162   0.2533
  -4.000  -0.0467   0.01285   0.00599  -0.0692   0.7007   0.3559
  -3.750  -0.0331   0.01227   0.00601  -0.0664   0.6866   0.5020
  -3.500  -0.0113   0.01244   0.00627  -0.0645   0.6730   0.5780
  -3.250   0.0124   0.01272   0.00647  -0.0631   0.6586   0.6136
  -3.000   0.0367   0.01304   0.00666  -0.0618   0.6450   0.6380
  -2.750   0.0613   0.01334   0.00675  -0.0607   0.6329   0.6575
  -2.500   0.0857   0.01351   0.00681  -0.0596   0.6203   0.6733
  -2.250   0.1102   0.01364   0.00683  -0.0585   0.6082   0.6873
  -2.000   0.1360   0.01376   0.00685  -0.0576   0.5974   0.6993
  -1.750   0.1605   0.01381   0.00687  -0.0566   0.5857   0.7108
  -1.500   0.1859   0.01391   0.00683  -0.0558   0.5760   0.7227
  -1.250   0.2102   0.01395   0.00680  -0.0548   0.5651   0.7347
  -1.000   0.2354   0.01399   0.00678  -0.0539   0.5556   0.7463
  -0.750   0.2593   0.01400   0.00677  -0.0527   0.5455   0.7598
  -0.500   0.2837   0.01407   0.00677  -0.0516   0.5368   0.7737
  -0.250   0.3078   0.01410   0.00675  -0.0507   0.5276   0.7857
   0.000   0.3342   0.01417   0.00673  -0.0501   0.5198   0.7941
   0.250   0.3591   0.01418   0.00670  -0.0496   0.5107   0.8021
   0.500   0.3858   0.01423   0.00665  -0.0492   0.5030   0.8083
   0.750   0.4114   0.01426   0.00667  -0.0488   0.4947   0.8151
   1.000   0.4377   0.01430   0.00663  -0.0485   0.4871   0.8211
   1.250   0.4648   0.01442   0.00668  -0.0484   0.4803   0.8268
   1.500   0.4907   0.01447   0.00672  -0.0481   0.4729   0.8333
   1.750   0.5178   0.01457   0.00673  -0.0480   0.4664   0.8391
   2.000   0.5442   0.01469   0.00684  -0.0477   0.4596   0.8454
   2.250   0.5703   0.01477   0.00691  -0.0475   0.4527   0.8522
   2.500   0.5979   0.01494   0.00700  -0.0474   0.4470   0.8589
   2.750   0.6240   0.01509   0.00719  -0.0472   0.4410   0.8664
   3.000   0.6506   0.01522   0.00734  -0.0470   0.4349   0.8745
   3.250   0.6784   0.01541   0.00746  -0.0470   0.4296   0.8851
   3.500   0.7060   0.01563   0.00768  -0.0471   0.4241   0.8977
   3.750   0.7352   0.01578   0.00789  -0.0475   0.4181   0.9102
   4.000   0.7695   0.01600   0.00808  -0.0490   0.4128   0.9226
   4.250   0.8076   0.01638   0.00839  -0.0513   0.4079   0.9370
   4.500   0.8443   0.01663   0.00872  -0.0535   0.4023   0.9559
   4.750   0.8864   0.01689   0.00897  -0.0568   0.3967   0.9707
   5.000   0.9306   0.01727   0.00922  -0.0606   0.3918   0.9850
   5.250   0.9718   0.01762   0.00964  -0.0640   0.3867   1.0000
   5.500   0.9873   0.01785   0.00986  -0.0622   0.3827   1.0000
   5.750   1.0083   0.01812   0.01009  -0.0612   0.3789   1.0000
   6.000   1.0321   0.01844   0.01032  -0.0607   0.3753   1.0000
   6.250   1.0558   0.01888   0.01073  -0.0603   0.3716   1.0000
   6.500   1.0752   0.01918   0.01111  -0.0589   0.3675   1.0000
   6.750   1.0972   0.01950   0.01145  -0.0581   0.3636   1.0000
   7.000   1.1213   0.01984   0.01177  -0.0576   0.3602   1.0000
   7.250   1.1474   0.02025   0.01210  -0.0576   0.3570   1.0000
   7.500   1.1709   0.02078   0.01265  -0.0571   0.3537   1.0000
   7.750   1.1898   0.02115   0.01314  -0.0558   0.3500   1.0000
   8.000   1.2112   0.02152   0.01356  -0.0549   0.3463   1.0000
   8.250   1.2349   0.02188   0.01392  -0.0544   0.3429   1.0000
   8.500   1.2611   0.02231   0.01431  -0.0544   0.3400   1.0000
   8.750   1.2869   0.02297   0.01495  -0.0545   0.3371   1.0000
   9.000   1.3030   0.02344   0.01559  -0.0528   0.3339   1.0000
   9.250   1.3217   0.02390   0.01615  -0.0515   0.3303   1.0000
   9.500   1.3432   0.02430   0.01660  -0.0508   0.3270   1.0000
   9.750   1.3678   0.02472   0.01700  -0.0506   0.3241   1.0000
  10.000   1.3964   0.02531   0.01754  -0.0511   0.3213   1.0000
  10.250   1.4123   0.02599   0.01836  -0.0496   0.3183   1.0000
  10.500   1.4254   0.02657   0.01911  -0.0475   0.3149   1.0000
  10.750   1.4426   0.02710   0.01974  -0.0462   0.3116   1.0000
  11.000   1.4639   0.02753   0.02020  -0.0455   0.3085   1.0000
  11.250   1.4914   0.02791   0.02052  -0.0458   0.3055   1.0000
  11.500   1.5115   0.02867   0.02134  -0.0451   0.3023   1.0000
  11.750   1.5165   0.02937   0.02226  -0.0420   0.2989   1.0000
  12.000   1.5267   0.02998   0.02299  -0.0397   0.2955   1.0000
  12.250   1.5433   0.03038   0.02343  -0.0384   0.2921   1.0000
  12.500   1.5708   0.03065   0.02366  -0.0387   0.2889   1.0000
  12.750   1.5882   0.03142   0.02447  -0.0377   0.2856   1.0000
  13.000   1.5811   0.03236   0.02564  -0.0331   0.2825   1.0000
  13.250   1.5824   0.03320   0.02662  -0.0299   0.2791   1.0000
  13.500   1.5955   0.03366   0.02712  -0.0284   0.2756   1.0000
  13.750   1.6257   0.03370   0.02706  -0.0289   0.2719   1.0000
  14.000   1.6259   0.03485   0.02836  -0.0261   0.2686   1.0000
  14.250   1.6128   0.03643   0.03017  -0.0222   0.2652   1.0000
  14.500   1.6127   0.03762   0.03147  -0.0200   0.2616   1.0000
  14.750   1.6292   0.03799   0.03184  -0.0192   0.2579   1.0000
  15.000   1.6539   0.03826   0.03205  -0.0192   0.2539   1.0000
  15.250   1.6280   0.04107   0.03515  -0.0157   0.2508   1.0000
  15.500   1.6158   0.04348   0.03773  -0.0139   0.2469   1.0000
  15.750   1.6244   0.04446   0.03874  -0.0132   0.2429   1.0000
  16.000   1.6525   0.04419   0.03835  -0.0131   0.2386   1.0000
  16.250   1.6163   0.04890   0.04338  -0.0114   0.2352   1.0000
  16.500   1.5973   0.05267   0.04732  -0.0109   0.2309   1.0000
  16.750   1.6083   0.05366   0.04832  -0.0107   0.2266   1.0000
  17.000   1.6128   0.05542   0.05010  -0.0104   0.2223   1.0000
  17.250   1.5689   0.06255   0.05751  -0.0112   0.2179   1.0000
  17.500   1.5640   0.06561   0.06064  -0.0117   0.2130   1.0000
  17.750   1.5865   0.06541   0.06035  -0.0113   0.2082   1.0000
  18.000   1.5223   0.07619   0.07146  -0.0140   0.2033   1.0000
  18.250   1.5188   0.07945   0.07476  -0.0149   0.1979   1.0000
  18.500   1.5249   0.08140   0.07670  -0.0153   0.1927   1.0000
  18.750   1.4553   0.09419   0.08974  -0.0195   0.1866   1.0000
  19.000   1.5037   0.09012   0.08552  -0.0180   0.1812   1.0000
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