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CLARK YM-18 AIRFOIL (clarym18-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: CLARK YM-18 AIRFOIL (clarym18-il)
Reynolds number: 500,000
Max Cl/Cd: 77.64 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-clarym18-il-500000.txt
Download as CSV file: xf-clarym18-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: CLARK YM-18 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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.750  -0.8554   0.08325   0.07946  -0.0806   1.0000   0.0385
 -17.500  -0.8861   0.07496   0.07098  -0.0860   1.0000   0.0386
 -17.250  -0.9064   0.06853   0.06440  -0.0901   1.0000   0.0387
 -17.000  -0.9217   0.06308   0.05882  -0.0935   1.0000   0.0389
 -16.750  -0.9336   0.05828   0.05389  -0.0964   1.0000   0.0391
 -16.500  -0.9433   0.05399   0.04947  -0.0989   1.0000   0.0393
 -16.250  -0.9510   0.05014   0.04550  -0.1009   1.0000   0.0396
 -16.000  -0.9571   0.04674   0.04199  -0.1023   1.0000   0.0398
 -15.750  -0.9622   0.04377   0.03890  -0.1032   1.0000   0.0400
 -15.500  -0.9674   0.04115   0.03618  -0.1033   1.0000   0.0403
 -15.250  -0.9734   0.03891   0.03383  -0.1025   1.0000   0.0405
 -15.000  -0.9808   0.03699   0.03182  -0.1009   1.0000   0.0407
 -14.750  -0.9911   0.03542   0.03016  -0.0982   1.0000   0.0408
 -14.500  -1.0056   0.03417   0.02884  -0.0943   1.0000   0.0410
 -14.250  -1.0244   0.03318   0.02778  -0.0892   1.0000   0.0411
 -14.000  -1.0069   0.03163   0.02609  -0.0906   0.9975   0.0414
 -13.750  -0.9871   0.02983   0.02421  -0.0920   0.9948   0.0418
 -13.500  -0.9637   0.02841   0.02277  -0.0936   0.9927   0.0424
 -13.250  -0.9420   0.02729   0.02162  -0.0944   0.9887   0.0429
 -13.000  -0.9173   0.02627   0.02056  -0.0955   0.9850   0.0434
 -12.750  -0.8897   0.02532   0.01956  -0.0970   0.9823   0.0441
 -12.500  -0.8598   0.02439   0.01855  -0.0988   0.9804   0.0449
 -12.250  -0.8367   0.02357   0.01764  -0.0990   0.9751   0.0456
 -12.000  -0.8079   0.02274   0.01671  -0.1001   0.9714   0.0462
 -11.750  -0.7805   0.02159   0.01555  -0.1012   0.9684   0.0470
 -11.500  -0.7510   0.02074   0.01470  -0.1025   0.9658   0.0479
 -11.250  -0.7322   0.02016   0.01409  -0.1012   0.9576   0.0487
 -11.000  -0.7057   0.01952   0.01341  -0.1015   0.9530   0.0497
 -10.750  -0.6841   0.01899   0.01281  -0.1006   0.9464   0.0506
 -10.500  -0.6616   0.01850   0.01224  -0.0998   0.9394   0.0516
 -10.250  -0.6410   0.01775   0.01149  -0.0989   0.9335   0.0528
 -10.000  -0.6212   0.01733   0.01106  -0.0976   0.9250   0.0541
  -9.750  -0.5976   0.01691   0.01059  -0.0969   0.9189   0.0557
  -9.500  -0.5751   0.01657   0.01017  -0.0959   0.9113   0.0572
  -9.250  -0.5543   0.01600   0.00960  -0.0947   0.9038   0.0590
  -9.000  -0.5303   0.01564   0.00921  -0.0941   0.8974   0.0610
  -8.750  -0.5066   0.01535   0.00886  -0.0933   0.8896   0.0633
  -8.500  -0.4833   0.01489   0.00838  -0.0925   0.8831   0.0658
  -8.250  -0.4588   0.01462   0.00809  -0.0919   0.8759   0.0687
  -8.000  -0.4345   0.01429   0.00772  -0.0912   0.8686   0.0719
  -7.750  -0.4088   0.01399   0.00740  -0.0908   0.8626   0.0753
  -7.500  -0.3835   0.01380   0.00716  -0.0903   0.8552   0.0787
  -7.250  -0.3595   0.01342   0.00679  -0.0896   0.8482   0.0825
  -7.000  -0.3328   0.01324   0.00655  -0.0893   0.8419   0.0861
  -6.750  -0.3087   0.01290   0.00623  -0.0886   0.8347   0.0899
  -6.500  -0.2825   0.01268   0.00597  -0.0882   0.8281   0.0938
  -6.250  -0.2568   0.01246   0.00570  -0.0878   0.8209   0.0977
  -6.000  -0.2318   0.01218   0.00544  -0.0872   0.8127   0.1022
  -5.750  -0.2046   0.01205   0.00521  -0.0869   0.8054   0.1065
  -5.500  -0.1803   0.01174   0.00496  -0.0862   0.7973   0.1123
  -5.250  -0.1537   0.01158   0.00475  -0.0858   0.7901   0.1177
  -5.000  -0.1283   0.01131   0.00452  -0.0853   0.7830   0.1259
  -4.750  -0.1028   0.01108   0.00432  -0.0848   0.7751   0.1360
  -4.500  -0.0767   0.01086   0.00412  -0.0844   0.7680   0.1514
  -4.250  -0.0517   0.01061   0.00398  -0.0839   0.7604   0.1743
  -4.000  -0.0261   0.01039   0.00384  -0.0834   0.7527   0.2017
  -3.750   0.0002   0.01025   0.00374  -0.0830   0.7450   0.2239
  -3.500   0.0266   0.01013   0.00366  -0.0826   0.7369   0.2423
  -3.250   0.0537   0.01007   0.00357  -0.0823   0.7297   0.2582
  -3.000   0.0798   0.00994   0.00351  -0.0819   0.7211   0.2726
  -2.750   0.1064   0.00987   0.00342  -0.0815   0.7128   0.2859
  -2.250   0.1596   0.00972   0.00329  -0.0808   0.6966   0.3118
  -2.000   0.1862   0.00966   0.00322  -0.0804   0.6892   0.3255
  -1.750   0.2127   0.00957   0.00317  -0.0800   0.6810   0.3405
  -1.500   0.2389   0.00951   0.00310  -0.0796   0.6733   0.3578
  -1.250   0.2648   0.00938   0.00306  -0.0792   0.6652   0.3799
  -1.000   0.2899   0.00925   0.00302  -0.0786   0.6569   0.4114
  -0.750   0.3147   0.00909   0.00299  -0.0779   0.6489   0.4553
  -0.500   0.3384   0.00889   0.00298  -0.0771   0.6398   0.5139
  -0.250   0.3611   0.00867   0.00299  -0.0759   0.6311   0.5877
   0.000   0.3833   0.00847   0.00303  -0.0746   0.6214   0.6618
   0.250   0.4062   0.00836   0.00308  -0.0734   0.6124   0.7213
   0.500   0.4302   0.00831   0.00315  -0.0724   0.6025   0.7671
   0.750   0.4546   0.00831   0.00322  -0.0714   0.5931   0.8027
   1.000   0.4792   0.00835   0.00329  -0.0704   0.5824   0.8333
   1.250   0.5039   0.00841   0.00339  -0.0695   0.5720   0.8602
   1.500   0.5283   0.00852   0.00348  -0.0685   0.5605   0.8834
   1.750   0.5536   0.00863   0.00359  -0.0677   0.5484   0.9035
   2.000   0.5789   0.00879   0.00371  -0.0669   0.5355   0.9213
   2.250   0.6047   0.00899   0.00384  -0.0663   0.5206   0.9364
   2.500   0.6310   0.00921   0.00398  -0.0658   0.5038   0.9500
   2.750   0.6606   0.00948   0.00415  -0.0661   0.4849   0.9613
   3.000   0.6943   0.00977   0.00433  -0.0673   0.4632   0.9688
   3.250   0.7277   0.01010   0.00454  -0.0686   0.4390   0.9763
   3.500   0.7643   0.01049   0.00477  -0.0707   0.4152   0.9813
   3.750   0.8027   0.01088   0.00502  -0.0732   0.3960   0.9858
   4.000   0.8409   0.01125   0.00528  -0.0757   0.3817   0.9919
   4.250   0.8843   0.01159   0.00553  -0.0792   0.3704   0.9956
   4.500   0.9254   0.01192   0.00577  -0.0823   0.3616   0.9994
   4.750   0.9403   0.01213   0.00593  -0.0800   0.3560   1.0000
   5.000   0.9511   0.01225   0.00605  -0.0768   0.3515   1.0000
   5.250   0.9601   0.01241   0.00619  -0.0732   0.3469   1.0000
   5.500   0.9658   0.01261   0.00634  -0.0690   0.3423   1.0000
   5.750   0.9721   0.01280   0.00650  -0.0648   0.3382   1.0000
   6.000   0.9847   0.01292   0.00664  -0.0619   0.3345   1.0000
   6.250   0.9991   0.01312   0.00683  -0.0594   0.3304   1.0000
   6.500   1.0145   0.01340   0.00706  -0.0572   0.3259   1.0000
   6.750   1.0307   0.01378   0.00738  -0.0553   0.3211   1.0000
   7.000   1.0512   0.01396   0.00760  -0.0541   0.3179   1.0000
   7.250   1.0715   0.01420   0.00786  -0.0529   0.3141   1.0000
   7.500   1.0908   0.01450   0.00815  -0.0516   0.3100   1.0000
   7.750   1.1091   0.01490   0.00849  -0.0502   0.3056   1.0000
   8.000   1.1293   0.01524   0.00884  -0.0491   0.3019   1.0000
   8.250   1.1504   0.01550   0.00914  -0.0482   0.2989   1.0000
   8.500   1.1712   0.01580   0.00947  -0.0473   0.2957   1.0000
   8.750   1.1911   0.01616   0.00983  -0.0463   0.2922   1.0000
   9.000   1.2096   0.01660   0.01025  -0.0451   0.2885   1.0000
   9.250   1.2290   0.01705   0.01068  -0.0441   0.2849   1.0000
   9.500   1.2496   0.01736   0.01107  -0.0433   0.2820   1.0000
   9.750   1.2697   0.01773   0.01148  -0.0424   0.2785   1.0000
  10.000   1.2887   0.01816   0.01192  -0.0415   0.2749   1.0000
  10.250   1.3059   0.01870   0.01244  -0.0403   0.2710   1.0000
  10.500   1.3240   0.01921   0.01298  -0.0393   0.2672   1.0000
  10.750   1.3437   0.01963   0.01346  -0.0386   0.2633   1.0000
  11.000   1.3617   0.02014   0.01401  -0.0377   0.2587   1.0000
  11.250   1.3772   0.02080   0.01466  -0.0365   0.2542   1.0000
  11.500   1.3943   0.02141   0.01531  -0.0356   0.2498   1.0000
  11.750   1.4126   0.02196   0.01591  -0.0348   0.2447   1.0000
  12.000   1.4272   0.02273   0.01668  -0.0337   0.2391   1.0000
  12.250   1.4423   0.02349   0.01748  -0.0327   0.2335   1.0000
  12.500   1.4576   0.02426   0.01828  -0.0318   0.2264   1.0000
  12.750   1.4693   0.02529   0.01929  -0.0306   0.2191   1.0000
  13.000   1.4826   0.02624   0.02027  -0.0297   0.2102   1.0000
  13.250   1.4924   0.02745   0.02147  -0.0285   0.2012   1.0000
  13.500   1.4987   0.02894   0.02292  -0.0271   0.1910   1.0000
  13.750   1.5058   0.03043   0.02440  -0.0259   0.1804   1.0000
  14.000   1.5103   0.03217   0.02612  -0.0246   0.1704   1.0000
  14.250   1.5119   0.03418   0.02810  -0.0232   0.1610   1.0000
  14.500   1.5121   0.03638   0.03028  -0.0219   0.1520   1.0000
  14.750   1.5151   0.03842   0.03232  -0.0209   0.1438   1.0000
  15.000   1.5136   0.04091   0.03480  -0.0198   0.1369   1.0000
  15.250   1.5155   0.04316   0.03707  -0.0190   0.1306   1.0000
  15.500   1.5126   0.04593   0.03985  -0.0181   0.1255   1.0000
  15.750   1.5159   0.04817   0.04214  -0.0176   0.1212   1.0000
  16.000   1.5138   0.05099   0.04498  -0.0170   0.1174   1.0000
  16.250   1.5110   0.05394   0.04797  -0.0166   0.1142   1.0000
  16.500   1.5134   0.05642   0.05052  -0.0163   0.1114   1.0000
  16.750   1.5123   0.05933   0.05349  -0.0161   0.1089   1.0000
  17.000   1.5075   0.06268   0.05688  -0.0160   0.1065   1.0000
  17.250   1.5000   0.06636   0.06059  -0.0160   0.1043   1.0000
  17.500   1.5025   0.06899   0.06332  -0.0160   0.1026   1.0000
  17.750   1.5017   0.07204   0.06644  -0.0162   0.1008   1.0000
  18.000   1.4986   0.07539   0.06986  -0.0165   0.0991   1.0000
  18.250   1.4935   0.07898   0.07351  -0.0169   0.0974   1.0000
  18.500   1.4861   0.08288   0.07744  -0.0173   0.0958   1.0000
  18.750   1.4806   0.08657   0.08117  -0.0178   0.0943   1.0000
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