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GOE 420 AIRFOIL (goe420-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: GOE 420 AIRFOIL (goe420-il)
Reynolds number: 200,000
Max Cl/Cd: 66.67 at α=6.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-goe420-il-200000.txt
Download as CSV file: xf-goe420-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: GOE 420 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
  ------ -------- --------- --------- -------- -------- --------
 -12.750  -0.4876   0.07781   0.07368  -0.0927   0.9865   0.0617
 -12.500  -0.5177   0.06702   0.06270  -0.1031   0.9820   0.0608
 -12.250  -0.5557   0.05685   0.05219  -0.1144   0.9741   0.0599
 -12.000  -0.5773   0.04948   0.04443  -0.1238   0.9669   0.0594
 -11.750  -0.5913   0.04540   0.04003  -0.1269   0.9568   0.0591
 -11.500  -0.5881   0.04190   0.03619  -0.1297   0.9512   0.0591
 -11.250  -0.5875   0.03964   0.03368  -0.1289   0.9419   0.0592
 -11.000  -0.5710   0.03721   0.03096  -0.1304   0.9369   0.0595
 -10.750  -0.5475   0.03493   0.02840  -0.1323   0.9337   0.0599
 -10.500  -0.5409   0.03372   0.02699  -0.1302   0.9245   0.0603
 -10.250  -0.5192   0.03212   0.02515  -0.1307   0.9194   0.0609
 -10.000  -0.4930   0.03068   0.02342  -0.1317   0.9157   0.0617
  -9.750  -0.4809   0.02965   0.02228  -0.1296   0.9071   0.0624
  -9.500  -0.4532   0.02835   0.02102  -0.1302   0.9021   0.0635
  -9.250  -0.4239   0.02725   0.01989  -0.1310   0.8983   0.0647
  -9.000  -0.4017   0.02641   0.01897  -0.1304   0.8928   0.0657
  -8.750  -0.3854   0.02575   0.01823  -0.1287   0.8848   0.0667
  -8.500  -0.3591   0.02488   0.01725  -0.1286   0.8801   0.0681
  -8.250  -0.3301   0.02388   0.01618  -0.1291   0.8765   0.0696
  -8.000  -0.3192   0.02335   0.01574  -0.1264   0.8669   0.0709
  -7.750  -0.2959   0.02266   0.01505  -0.1258   0.8616   0.0732
  -7.500  -0.2694   0.02200   0.01429  -0.1256   0.8577   0.0761
  -7.250  -0.2578   0.02148   0.01384  -0.1231   0.8494   0.0783
  -7.000  -0.2372   0.02085   0.01323  -0.1220   0.8431   0.0819
  -6.750  -0.2124   0.02005   0.01240  -0.1215   0.8386   0.0865
  -6.500  -0.1974   0.01961   0.01198  -0.1194   0.8304   0.0920
  -6.250  -0.1772   0.01893   0.01135  -0.1181   0.8236   0.1012
  -6.000  -0.1515   0.01812   0.01064  -0.1178   0.8188   0.1210
  -5.750  -0.1350   0.01762   0.01025  -0.1159   0.8106   0.1523
  -5.500  -0.1134   0.01702   0.00977  -0.1149   0.8041   0.1848
  -5.250  -0.0861   0.01656   0.00940  -0.1149   0.7999   0.2146
  -5.000  -0.0626   0.01643   0.00933  -0.1141   0.7943   0.2390
  -4.750  -0.0403   0.01637   0.00930  -0.1130   0.7875   0.2605
  -4.500  -0.0123   0.01622   0.00912  -0.1129   0.7828   0.2816
  -4.250   0.0189   0.01608   0.00891  -0.1132   0.7790   0.3016
  -4.000   0.0390   0.01614   0.00901  -0.1118   0.7716   0.3171
  -3.750   0.0649   0.01609   0.00894  -0.1112   0.7660   0.3340
  -3.500   0.0946   0.01601   0.00882  -0.1113   0.7618   0.3518
  -3.250   0.1215   0.01605   0.00880  -0.1110   0.7569   0.3683
  -3.000   0.1437   0.01609   0.00889  -0.1098   0.7498   0.3818
  -2.750   0.1724   0.01594   0.00872  -0.1097   0.7446   0.3942
  -2.500   0.2047   0.01581   0.00845  -0.1102   0.7405   0.4063
  -2.250   0.2253   0.01578   0.00851  -0.1088   0.7329   0.4147
  -2.000   0.2530   0.01568   0.00835  -0.1086   0.7271   0.4249
  -1.750   0.2846   0.01546   0.00808  -0.1090   0.7227   0.4340
  -1.500   0.3079   0.01546   0.00809  -0.1080   0.7158   0.4430
  -1.250   0.3345   0.01533   0.00794  -0.1076   0.7093   0.4521
  -1.000   0.3659   0.01514   0.00771  -0.1080   0.7041   0.4625
  -0.750   0.3892   0.01511   0.00768  -0.1071   0.6967   0.4729
  -0.500   0.4161   0.01499   0.00757  -0.1067   0.6896   0.4847
  -0.250   0.4481   0.01481   0.00733  -0.1072   0.6842   0.4970
   0.000   0.4691   0.01482   0.00739  -0.1058   0.6757   0.5100
   0.250   0.4972   0.01466   0.00727  -0.1057   0.6689   0.5247
   0.500   0.5241   0.01459   0.00722  -0.1053   0.6620   0.5405
   0.750   0.5478   0.01453   0.00722  -0.1044   0.6534   0.5579
   1.000   0.5785   0.01442   0.00708  -0.1046   0.6468   0.5781
   1.250   0.5984   0.01442   0.00720  -0.1030   0.6372   0.5986
   1.500   0.6262   0.01434   0.00715  -0.1028   0.6297   0.6237
   1.750   0.6483   0.01436   0.00727  -0.1015   0.6210   0.6516
   2.000   0.6731   0.01430   0.00727  -0.1007   0.6129   0.6831
   2.250   0.6971   0.01427   0.00732  -0.0997   0.6051   0.7197
   2.500   0.7168   0.01416   0.00742  -0.0978   0.5962   0.7642
   2.750   0.7435   0.01411   0.00750  -0.0968   0.5895   0.8344
   3.000   0.7707   0.01421   0.00776  -0.0963   0.5803   0.9166
   3.250   0.8266   0.01433   0.00777  -0.1017   0.5726   0.9647
   3.500   0.8823   0.01454   0.00798  -0.1076   0.5630   0.9948
   3.750   0.9079   0.01466   0.00798  -0.1074   0.5557   1.0000
   4.000   0.9246   0.01484   0.00809  -0.1054   0.5482   1.0000
   4.250   0.9413   0.01499   0.00819  -0.1034   0.5405   1.0000
   4.500   0.9673   0.01516   0.00820  -0.1030   0.5343   1.0000
   4.750   0.9814   0.01539   0.00847  -0.1006   0.5270   1.0000
   5.000   1.0029   0.01558   0.00860  -0.0994   0.5209   1.0000
   5.250   1.0296   0.01582   0.00873  -0.0993   0.5154   1.0000
   5.500   1.0460   0.01608   0.00904  -0.0973   0.5092   1.0000
   5.750   1.0681   0.01632   0.00924  -0.0963   0.5036   1.0000
   6.250   1.1126   0.01688   0.00975  -0.0944   0.4925   1.0000
   6.500   1.1333   0.01714   0.00999  -0.0932   0.4866   1.0000
   6.750   1.1614   0.01742   0.01017  -0.0934   0.4815   1.0000
   7.000   1.1799   0.01777   0.01057  -0.0918   0.4762   1.0000
   7.250   1.1984   0.01810   0.01092  -0.0903   0.4707   1.0000
   7.500   1.2231   0.01839   0.01118  -0.0899   0.4655   1.0000
   7.750   1.2488   0.01878   0.01152  -0.0897   0.4603   1.0000
   8.000   1.2617   0.01914   0.01197  -0.0872   0.4545   1.0000
   8.250   1.2825   0.01942   0.01221  -0.0861   0.4481   1.0000
   8.500   1.3021   0.01977   0.01252  -0.0847   0.4410   1.0000
   8.750   1.3079   0.02006   0.01286  -0.0810   0.4337   1.0000
   9.000   1.3361   0.02035   0.01299  -0.0811   0.4256   1.0000
   9.250   1.3325   0.02075   0.01354  -0.0759   0.4190   1.0000
   9.500   1.3450   0.02109   0.01386  -0.0735   0.4119   1.0000
   9.750   1.3635   0.02150   0.01423  -0.0722   0.4053   1.0000
  10.000   1.3653   0.02200   0.01483  -0.0683   0.3982   1.0000
  10.250   1.3819   0.02237   0.01514  -0.0667   0.3914   1.0000
  10.500   1.3883   0.02296   0.01581  -0.0638   0.3848   1.0000
  10.750   1.3946   0.02356   0.01647  -0.0610   0.3780   1.0000
  11.000   1.4152   0.02393   0.01675  -0.0602   0.3717   1.0000
  11.250   1.4125   0.02482   0.01781  -0.0564   0.3648   1.0000
  11.500   1.4198   0.02551   0.01852  -0.0540   0.3579   1.0000
  11.750   1.4299   0.02620   0.01922  -0.0521   0.3512   1.0000
  12.000   1.4311   0.02722   0.02034  -0.0493   0.3437   1.0000
  12.250   1.4435   0.02787   0.02092  -0.0478   0.3369   1.0000
  12.500   1.4422   0.02916   0.02238  -0.0451   0.3292   1.0000
  12.750   1.4487   0.03015   0.02335  -0.0432   0.3218   1.0000
  13.000   1.4509   0.03146   0.02475  -0.0411   0.3139   1.0000
  13.250   1.4545   0.03273   0.02602  -0.0392   0.3059   1.0000
  13.500   1.4565   0.03422   0.02758  -0.0374   0.2976   1.0000
  13.750   1.4586   0.03574   0.02909  -0.0357   0.2890   1.0000
  14.000   1.4588   0.03754   0.03095  -0.0340   0.2799   1.0000
  14.500   1.4570   0.04156   0.03500  -0.0311   0.2607   1.0000
  14.750   1.4550   0.04380   0.03724  -0.0298   0.2508   1.0000
  15.000   1.4507   0.04634   0.03974  -0.0286   0.2401   1.0000
  15.250   1.4446   0.04923   0.04269  -0.0276   0.2285   1.0000
  15.500   1.4368   0.05236   0.04582  -0.0268   0.2164   1.0000
  15.750   1.4274   0.05578   0.04922  -0.0260   0.2041   1.0000
  16.000   1.4160   0.05955   0.05295  -0.0255   0.1913   1.0000
  16.250   1.4040   0.06352   0.05687  -0.0252   0.1792   1.0000
  16.500   1.3940   0.06745   0.06080  -0.0251   0.1676   1.0000
  16.750   1.3867   0.07116   0.06450  -0.0251   0.1584   1.0000
  17.000   1.3797   0.07480   0.06805  -0.0252   0.1513   1.0000
  17.250   1.3770   0.07810   0.07141  -0.0254   0.1446   1.0000
  17.500   1.3754   0.08111   0.07429  -0.0254   0.1392   1.0000
  17.750   1.3766   0.08401   0.07729  -0.0257   0.1347   1.0000
  18.000   1.3773   0.08691   0.08019  -0.0260   0.1304   1.0000
  18.250   1.3840   0.08883   0.08200  -0.0259   0.1265   1.0000
  18.500   1.3856   0.09175   0.08503  -0.0264   0.1232   1.0000
  18.750   1.3892   0.09434   0.08767  -0.0268   0.1201   1.0000
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