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NACA 4418 (naca4418-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NACA 4418 (naca4418-il)
Reynolds number: 200,000
Max Cl/Cd: 67.02 at α=7.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4418-il-200000.txt
Download as CSV file: xf-naca4418-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4418                                       
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.7566   0.06480   0.05984  -0.0954   1.0000   0.0682
 -14.250  -0.8095   0.05804   0.05289  -0.0973   1.0000   0.0680
 -14.000  -0.8537   0.05371   0.04840  -0.0962   1.0000   0.0679
 -13.750  -0.8942   0.05079   0.04535  -0.0928   1.0000   0.0679
 -13.500  -0.9332   0.04887   0.04331  -0.0873   1.0000   0.0678
 -13.250  -0.9716   0.04758   0.04191  -0.0802   1.0000   0.0678
 -13.000  -1.0012   0.04574   0.03986  -0.0745   1.0000   0.0681
 -12.750  -1.0244   0.04377   0.03761  -0.0694   1.0000   0.0684
 -12.500  -1.0139   0.04211   0.03594  -0.0684   0.9988   0.0693
 -12.250  -0.9836   0.04090   0.03475  -0.0704   0.9952   0.0705
 -12.000  -0.9559   0.03942   0.03315  -0.0724   0.9916   0.0719
 -11.750  -0.9347   0.03756   0.03104  -0.0735   0.9861   0.0735
 -11.500  -0.9117   0.03545   0.02843  -0.0752   0.9815   0.0754
 -11.250  -0.8814   0.03444   0.02758  -0.0764   0.9773   0.0771
 -11.000  -0.8529   0.03357   0.02666  -0.0776   0.9722   0.0792
 -10.750  -0.8216   0.03229   0.02508  -0.0795   0.9685   0.0820
 -10.500  -0.7958   0.03109   0.02383  -0.0801   0.9632   0.0842
 -10.250  -0.7650   0.03035   0.02311  -0.0813   0.9581   0.0867
 -10.000  -0.7309   0.02937   0.02186  -0.0832   0.9546   0.0903
  -9.750  -0.6975   0.02842   0.02098  -0.0849   0.9509   0.0935
  -9.500  -0.6731   0.02783   0.02034  -0.0847   0.9435   0.0968
  -9.250  -0.6378   0.02684   0.01918  -0.0867   0.9401   0.1010
  -9.000  -0.5974   0.02614   0.01857  -0.0894   0.9378   0.1051
  -8.750  -0.5778   0.02565   0.01790  -0.0881   0.9292   0.1088
  -8.500  -0.5422   0.02479   0.01710  -0.0899   0.9254   0.1130
  -8.250  -0.5026   0.02419   0.01644  -0.0924   0.9228   0.1180
  -8.000  -0.4608   0.02333   0.01556  -0.0953   0.9210   0.1229
  -7.750  -0.4416   0.02299   0.01524  -0.0937   0.9117   0.1266
  -7.500  -0.4038   0.02246   0.01454  -0.0956   0.9081   0.1319
  -7.250  -0.3637   0.02168   0.01391  -0.0981   0.9057   0.1374
  -7.000  -0.3230   0.02115   0.01325  -0.1004   0.9036   0.1436
  -6.750  -0.3033   0.02069   0.01288  -0.0989   0.8942   0.1479
  -6.500  -0.2680   0.02020   0.01238  -0.1002   0.8899   0.1541
  -6.250  -0.2303   0.01950   0.01167  -0.1019   0.8868   0.1605
  -6.000  -0.2009   0.01911   0.01130  -0.1020   0.8808   0.1668
  -5.750  -0.1738   0.01865   0.01080  -0.1017   0.8730   0.1736
  -5.500  -0.1387   0.01810   0.01029  -0.1028   0.8688   0.1821
  -5.250  -0.1080   0.01757   0.00978  -0.1031   0.8630   0.1914
  -5.000  -0.0827   0.01726   0.00946  -0.1024   0.8541   0.2016
  -4.750  -0.0492   0.01665   0.00891  -0.1033   0.8490   0.2145
  -4.500  -0.0242   0.01630   0.00861  -0.1025   0.8402   0.2275
  -4.250   0.0053   0.01595   0.00825  -0.1026   0.8326   0.2422
  -4.000   0.0382   0.01562   0.00790  -0.1032   0.8266   0.2576
  -3.750   0.0614   0.01543   0.00780  -0.1022   0.8158   0.2707
  -3.500   0.0937   0.01512   0.00747  -0.1027   0.8092   0.2855
  -3.250   0.1183   0.01503   0.00735  -0.1019   0.7985   0.2994
  -3.000   0.1486   0.01474   0.00707  -0.1021   0.7906   0.3146
  -2.750   0.1740   0.01455   0.00694  -0.1014   0.7805   0.3293
  -2.500   0.2030   0.01432   0.00670  -0.1014   0.7717   0.3466
  -2.250   0.2293   0.01418   0.00657  -0.1009   0.7617   0.3651
  -2.000   0.2571   0.01396   0.00639  -0.1007   0.7523   0.3863
  -1.750   0.2832   0.01379   0.00631  -0.1002   0.7426   0.4096
  -1.500   0.3098   0.01358   0.00620  -0.0998   0.7329   0.4370
  -1.250   0.3357   0.01344   0.00616  -0.0992   0.7233   0.4718
  -1.000   0.3612   0.01325   0.00612  -0.0986   0.7136   0.5150
  -0.750   0.3864   0.01309   0.00614  -0.0978   0.7044   0.5660
  -0.500   0.4106   0.01293   0.00616  -0.0968   0.6945   0.6212
  -0.250   0.4358   0.01283   0.00620  -0.0958   0.6858   0.6771
   0.000   0.4588   0.01275   0.00629  -0.0944   0.6761   0.7305
   0.250   0.4846   0.01273   0.00634  -0.0933   0.6681   0.7834
   0.500   0.5069   0.01275   0.00650  -0.0916   0.6581   0.8310
   0.750   0.5363   0.01285   0.00657  -0.0911   0.6504   0.8742
   1.000   0.5650   0.01301   0.00677  -0.0907   0.6407   0.9113
   1.250   0.6049   0.01318   0.00684  -0.0927   0.6323   0.9389
   1.500   0.6459   0.01339   0.00701  -0.0951   0.6229   0.9619
   1.750   0.6948   0.01357   0.00707  -0.0993   0.6139   0.9767
   2.000   0.7474   0.01376   0.00719  -0.1044   0.6046   0.9886
   2.250   0.8035   0.01389   0.00724  -0.1103   0.5951   0.9998
   2.500   0.8236   0.01403   0.00728  -0.1091   0.5877   1.0000
   2.750   0.8399   0.01415   0.00738  -0.1071   0.5794   1.0000
   3.000   0.8616   0.01431   0.00742  -0.1060   0.5724   1.0000
   3.250   0.8793   0.01449   0.00760  -0.1041   0.5646   1.0000
   3.500   0.8989   0.01465   0.00771  -0.1026   0.5569   1.0000
   3.750   0.9230   0.01488   0.00781  -0.1019   0.5502   1.0000
   4.000   0.9397   0.01506   0.00803  -0.0998   0.5421   1.0000
   4.250   0.9617   0.01525   0.00814  -0.0987   0.5348   1.0000
   4.500   0.9829   0.01549   0.00835  -0.0974   0.5274   1.0000
   4.750   1.0023   0.01568   0.00853  -0.0958   0.5192   1.0000
   5.250   1.0452   0.01614   0.00892  -0.0933   0.5038   1.0000
   5.500   1.0676   0.01635   0.00908  -0.0923   0.4964   1.0000
   5.750   1.0910   0.01663   0.00932  -0.0915   0.4893   1.0000
   6.000   1.1104   0.01686   0.00959  -0.0900   0.4814   1.0000
   6.250   1.1355   0.01711   0.00975  -0.0895   0.4745   1.0000
   6.500   1.1544   0.01740   0.01009  -0.0879   0.4669   1.0000
   6.750   1.1752   0.01764   0.01033  -0.0866   0.4592   1.0000
   7.000   1.1995   0.01795   0.01057  -0.0860   0.4522   1.0000
   7.250   1.2161   0.01821   0.01091  -0.0840   0.4440   1.0000
   7.500   1.2392   0.01849   0.01112  -0.0832   0.4367   1.0000
   7.750   1.2561   0.01881   0.01150  -0.0814   0.4287   1.0000
   8.000   1.2742   0.01908   0.01177  -0.0797   0.4207   1.0000
   8.250   1.2930   0.01943   0.01210  -0.0782   0.4126   1.0000
   8.500   1.3056   0.01971   0.01243  -0.0755   0.4037   1.0000
   8.750   1.3221   0.02006   0.01272  -0.0736   0.3953   1.0000
   9.000   1.3311   0.02043   0.01316  -0.0704   0.3863   1.0000
   9.250   1.3475   0.02084   0.01351  -0.0687   0.3778   1.0000
   9.500   1.3559   0.02131   0.01407  -0.0656   0.3685   1.0000
   9.750   1.3702   0.02181   0.01450  -0.0636   0.3596   1.0000
  10.000   1.3779   0.02239   0.01515  -0.0607   0.3496   1.0000
  10.250   1.3880   0.02302   0.01577  -0.0583   0.3397   1.0000
  10.500   1.3959   0.02374   0.01648  -0.0557   0.3292   1.0000
  10.750   1.4037   0.02455   0.01734  -0.0533   0.3186   1.0000
  11.250   1.4187   0.02641   0.01921  -0.0487   0.2980   1.0000
  11.500   1.4259   0.02747   0.02025  -0.0466   0.2883   1.0000
  11.750   1.4319   0.02865   0.02143  -0.0445   0.2783   1.0000
  12.000   1.4381   0.02990   0.02272  -0.0426   0.2685   1.0000
  12.250   1.4426   0.03130   0.02407  -0.0406   0.2593   1.0000
  12.500   1.4478   0.03274   0.02559  -0.0389   0.2496   1.0000
  12.750   1.4510   0.03435   0.02716  -0.0371   0.2409   1.0000
  13.000   1.4546   0.03604   0.02891  -0.0356   0.2316   1.0000
  13.250   1.4570   0.03788   0.03074  -0.0340   0.2233   1.0000
  13.500   1.4586   0.03986   0.03275  -0.0327   0.2146   1.0000
  13.750   1.4603   0.04193   0.03485  -0.0314   0.2063   1.0000
  14.000   1.4598   0.04424   0.03714  -0.0302   0.1982   1.0000
  14.250   1.4605   0.04657   0.03953  -0.0293   0.1899   1.0000
  14.500   1.4581   0.04919   0.04211  -0.0283   0.1825   1.0000
  14.750   1.4576   0.05183   0.04485  -0.0277   0.1743   1.0000
  15.000   1.4541   0.05473   0.04769  -0.0269   0.1673   1.0000
  15.250   1.4519   0.05769   0.05075  -0.0265   0.1594   1.0000
  15.500   1.4480   0.06081   0.05385  -0.0261   0.1526   1.0000
  15.750   1.4440   0.06408   0.05718  -0.0259   0.1453   1.0000
  16.000   1.4398   0.06740   0.06051  -0.0257   0.1387   1.0000
  16.250   1.4346   0.07091   0.06405  -0.0257   0.1323   1.0000
  16.500   1.4301   0.07438   0.06755  -0.0258   0.1261   1.0000
  16.750   1.4250   0.07796   0.07112  -0.0260   0.1206   1.0000
  17.000   1.4213   0.08143   0.07464  -0.0262   0.1151   1.0000
  17.250   1.4172   0.08497   0.07818  -0.0265   0.1104   1.0000
  17.500   1.4149   0.08823   0.08145  -0.0267   0.1059   1.0000
  17.750   1.4124   0.09165   0.08492  -0.0272   0.1019   1.0000
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