Airfoil Tools
Search 1636 airfoils Google+
You have 0 airfoils loaded.
Your Reynold number range is 50,000 to 1,000,000. (set)

NACA 2418 (naca2418-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 2418 (naca2418-il)
Reynolds number: 1,000,000
Max Cl/Cd: 97.06 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca2418-il-1000000.txt
Download as CSV file: xf-naca2418-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 2418                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -1.1707   0.08293   0.07893  -0.0573   1.0000   0.0352
 -19.250  -1.1887   0.07720   0.07312  -0.0599   1.0000   0.0355
 -19.000  -1.2066   0.07146   0.06729  -0.0626   1.0000   0.0358
 -18.750  -1.2244   0.06581   0.06155  -0.0652   1.0000   0.0360
 -18.500  -1.2392   0.06062   0.05627  -0.0676   1.0000   0.0363
 -18.250  -1.2524   0.05573   0.05129  -0.0698   1.0000   0.0365
 -18.000  -1.2624   0.05136   0.04683  -0.0717   1.0000   0.0368
 -17.750  -1.2695   0.04742   0.04280  -0.0733   1.0000   0.0370
 -17.500  -1.2741   0.04388   0.03916  -0.0746   1.0000   0.0373
 -17.250  -1.2760   0.04072   0.03592  -0.0757   1.0000   0.0376
 -17.000  -1.2757   0.03788   0.03300  -0.0766   1.0000   0.0380
 -16.750  -1.2735   0.03536   0.03041  -0.0772   1.0000   0.0383
 -16.500  -1.2693   0.03314   0.02811  -0.0776   1.0000   0.0387
 -16.250  -1.2631   0.03123   0.02612  -0.0777   1.0000   0.0390
 -16.000  -1.2553   0.02957   0.02439  -0.0776   1.0000   0.0393
 -15.750  -1.2561   0.02736   0.02211  -0.0770   1.0000   0.0399
 -15.500  -1.2527   0.02571   0.02042  -0.0761   1.0000   0.0405
 -15.250  -1.2469   0.02442   0.01909  -0.0748   1.0000   0.0411
 -15.000  -1.2411   0.02337   0.01800  -0.0729   1.0000   0.0417
 -14.750  -1.2370   0.02250   0.01708  -0.0704   1.0000   0.0422
 -14.500  -1.2356   0.02177   0.01631  -0.0671   1.0000   0.0427
 -14.250  -1.2387   0.02119   0.01568  -0.0627   1.0000   0.0432
 -14.000  -1.2481   0.02075   0.01520  -0.0569   1.0000   0.0435
 -13.750  -1.2445   0.02026   0.01465  -0.0534   0.9992   0.0440
 -13.500  -1.2231   0.01941   0.01378  -0.0535   0.9969   0.0452
 -13.250  -1.1972   0.01877   0.01313  -0.0541   0.9949   0.0464
 -13.000  -1.1677   0.01821   0.01255  -0.0551   0.9935   0.0478
 -12.750  -1.1364   0.01770   0.01200  -0.0565   0.9924   0.0490
 -12.500  -1.1123   0.01703   0.01134  -0.0565   0.9892   0.0509
 -12.250  -1.0839   0.01654   0.01084  -0.0571   0.9868   0.0528
 -12.000  -1.0535   0.01607   0.01035  -0.0581   0.9849   0.0548
 -11.750  -1.0228   0.01553   0.00983  -0.0593   0.9833   0.0573
 -11.500  -0.9899   0.01512   0.00941  -0.0607   0.9822   0.0597
 -11.250  -0.9579   0.01460   0.00891  -0.0620   0.9810   0.0628
 -11.000  -0.9279   0.01423   0.00854  -0.0627   0.9785   0.0656
 -10.750  -0.9024   0.01382   0.00814  -0.0625   0.9734   0.0686
 -10.500  -0.8727   0.01344   0.00776  -0.0630   0.9694   0.0719
 -10.250  -0.8459   0.01308   0.00740  -0.0630   0.9646   0.0752
 -10.000  -0.8227   0.01278   0.00711  -0.0621   0.9578   0.0786
  -9.750  -0.7970   0.01249   0.00681  -0.0617   0.9529   0.0818
  -9.500  -0.7731   0.01220   0.00654  -0.0609   0.9467   0.0853
  -9.250  -0.7480   0.01199   0.00630  -0.0603   0.9402   0.0882
  -9.000  -0.7230   0.01169   0.00601  -0.0598   0.9345   0.0919
  -8.750  -0.6982   0.01147   0.00579  -0.0591   0.9271   0.0953
  -8.500  -0.6722   0.01126   0.00555  -0.0587   0.9204   0.0983
  -8.250  -0.6470   0.01100   0.00530  -0.0582   0.9135   0.1024
  -8.000  -0.6209   0.01081   0.00510  -0.0577   0.9055   0.1060
  -7.750  -0.5947   0.01060   0.00486  -0.0573   0.8982   0.1099
  -7.500  -0.5687   0.01038   0.00466  -0.0569   0.8900   0.1141
  -7.250  -0.5419   0.01023   0.00446  -0.0566   0.8818   0.1175
  -7.000  -0.5158   0.01000   0.00425  -0.0562   0.8730   0.1230
  -6.750  -0.4891   0.00983   0.00406  -0.0559   0.8638   0.1281
  -6.500  -0.4626   0.00963   0.00387  -0.0556   0.8549   0.1348
  -6.250  -0.4358   0.00947   0.00370  -0.0553   0.8448   0.1417
  -6.000  -0.4094   0.00926   0.00352  -0.0549   0.8349   0.1518
  -5.750  -0.3830   0.00908   0.00335  -0.0546   0.8242   0.1622
  -5.500  -0.3561   0.00891   0.00320  -0.0543   0.8138   0.1738
  -5.000  -0.3023   0.00861   0.00293  -0.0538   0.7916   0.1993
  -4.750  -0.2755   0.00848   0.00282  -0.0535   0.7803   0.2128
  -4.500  -0.2483   0.00836   0.00272  -0.0532   0.7685   0.2252
  -4.250  -0.2208   0.00829   0.00263  -0.0531   0.7575   0.2361
  -4.000  -0.1936   0.00820   0.00254  -0.0528   0.7453   0.2475
  -3.750  -0.1660   0.00812   0.00246  -0.0527   0.7339   0.2576
  -3.500  -0.1386   0.00808   0.00239  -0.0524   0.7219   0.2674
  -3.250  -0.1109   0.00800   0.00232  -0.0523   0.7104   0.2778
  -3.000  -0.0833   0.00796   0.00226  -0.0521   0.6987   0.2875
  -2.750  -0.0559   0.00789   0.00220  -0.0519   0.6863   0.2991
  -2.500  -0.0281   0.00785   0.00215  -0.0518   0.6749   0.3102
  -2.000   0.0265   0.00774   0.00206  -0.0513   0.6493   0.3379
  -1.750   0.0537   0.00769   0.00202  -0.0511   0.6366   0.3544
  -1.500   0.0807   0.00765   0.00199  -0.0509   0.6235   0.3729
  -1.250   0.1081   0.00759   0.00196  -0.0507   0.6111   0.3934
  -1.000   0.1348   0.00754   0.00195  -0.0504   0.5982   0.4177
  -0.750   0.1614   0.00751   0.00194  -0.0500   0.5841   0.4428
  -0.500   0.1885   0.00747   0.00194  -0.0498   0.5708   0.4685
  -0.250   0.2149   0.00742   0.00195  -0.0494   0.5580   0.5006
   0.000   0.2416   0.00739   0.00198  -0.0491   0.5464   0.5317
   0.250   0.2689   0.00736   0.00200  -0.0489   0.5368   0.5565
   0.500   0.2961   0.00737   0.00203  -0.0487   0.5271   0.5786
   0.750   0.3235   0.00736   0.00207  -0.0485   0.5190   0.6000
   1.000   0.3511   0.00736   0.00210  -0.0483   0.5106   0.6203
   1.250   0.3781   0.00740   0.00215  -0.0481   0.5017   0.6404
   1.500   0.4059   0.00738   0.00220  -0.0479   0.4938   0.6616
   1.750   0.4328   0.00742   0.00225  -0.0476   0.4852   0.6825
   2.250   0.4873   0.00742   0.00238  -0.0472   0.4699   0.7279
   2.500   0.5139   0.00746   0.00245  -0.0468   0.4614   0.7512
   2.750   0.5410   0.00747   0.00253  -0.0465   0.4530   0.7739
   3.000   0.5670   0.00754   0.00262  -0.0460   0.4439   0.7971
   3.250   0.5941   0.00756   0.00271  -0.0457   0.4356   0.8209
   3.500   0.6196   0.00766   0.00282  -0.0451   0.4238   0.8427
   3.750   0.6458   0.00774   0.00292  -0.0446   0.4119   0.8619
   4.000   0.6714   0.00785   0.00304  -0.0440   0.4011   0.8800
   4.250   0.6967   0.00798   0.00316  -0.0433   0.3903   0.8976
   4.500   0.7222   0.00809   0.00329  -0.0427   0.3808   0.9137
   5.000   0.7711   0.00840   0.00358  -0.0410   0.3597   0.9450
   5.250   0.7957   0.00862   0.00376  -0.0401   0.3488   0.9604
   5.500   0.8246   0.00882   0.00393  -0.0403   0.3373   0.9709
   5.750   0.8529   0.00904   0.00411  -0.0404   0.3260   0.9796
   6.000   0.8875   0.00933   0.00433  -0.0420   0.3122   0.9833
   6.250   0.9223   0.00963   0.00455  -0.0436   0.2973   0.9868
   6.500   0.9562   0.00992   0.00477  -0.0451   0.2829   0.9904
   6.750   0.9901   0.01022   0.00500  -0.0466   0.2688   0.9930
   7.000   1.0250   0.01056   0.00526  -0.0483   0.2531   0.9949
   7.250   1.0588   0.01092   0.00553  -0.0499   0.2380   0.9972
   7.500   1.0923   0.01128   0.00582  -0.0514   0.2256   0.9994
   7.750   1.1107   0.01153   0.00602  -0.0498   0.2168   1.0000
   8.000   1.1209   0.01173   0.00619  -0.0463   0.2096   1.0000
   8.250   1.1324   0.01194   0.00638  -0.0432   0.2023   1.0000
   8.500   1.1417   0.01218   0.00658  -0.0396   0.1954   1.0000
   8.750   1.1544   0.01240   0.00679  -0.0367   0.1884   1.0000
   9.000   1.1688   0.01273   0.00708  -0.0343   0.1803   1.0000
   9.250   1.1857   0.01306   0.00738  -0.0325   0.1715   1.0000
   9.500   1.2027   0.01345   0.00772  -0.0307   0.1624   1.0000
   9.750   1.2188   0.01391   0.00813  -0.0289   0.1524   1.0000
  10.000   1.2349   0.01441   0.00857  -0.0271   0.1425   1.0000
  10.250   1.2517   0.01489   0.00902  -0.0256   0.1344   1.0000
  10.500   1.2678   0.01543   0.00952  -0.0240   0.1270   1.0000
  10.750   1.2835   0.01600   0.01006  -0.0224   0.1203   1.0000
  11.000   1.2999   0.01656   0.01061  -0.0209   0.1146   1.0000
  11.250   1.3149   0.01721   0.01123  -0.0194   0.1090   1.0000
  11.500   1.3310   0.01781   0.01184  -0.0180   0.1044   1.0000
  11.750   1.3454   0.01853   0.01253  -0.0166   0.0994   1.0000
  12.000   1.3605   0.01923   0.01324  -0.0152   0.0950   1.0000
  12.250   1.3740   0.02004   0.01404  -0.0138   0.0902   1.0000
  12.500   1.3879   0.02086   0.01486  -0.0125   0.0860   1.0000
  12.750   1.4002   0.02180   0.01579  -0.0111   0.0817   1.0000
  13.000   1.4131   0.02273   0.01673  -0.0099   0.0779   1.0000
  13.250   1.4238   0.02384   0.01783  -0.0086   0.0739   1.0000
  13.500   1.4351   0.02494   0.01894  -0.0074   0.0706   1.0000
  13.750   1.4449   0.02619   0.02020  -0.0062   0.0673   1.0000
  14.000   1.4544   0.02750   0.02153  -0.0051   0.0644   1.0000
  14.250   1.4633   0.02888   0.02294  -0.0041   0.0618   1.0000
  14.500   1.4689   0.03058   0.02465  -0.0030   0.0593   1.0000
  14.750   1.4784   0.03202   0.02614  -0.0022   0.0575   1.0000
  15.000   1.4849   0.03375   0.02790  -0.0014   0.0555   1.0000
  15.250   1.4880   0.03584   0.03001  -0.0006   0.0536   1.0000
  15.500   1.4952   0.03762   0.03185  -0.0001   0.0523   1.0000
  15.750   1.5005   0.03963   0.03391   0.0004   0.0510   1.0000
  16.000   1.5036   0.04191   0.03624   0.0008   0.0498   1.0000
  16.250   1.5037   0.04453   0.03890   0.0012   0.0487   1.0000
  16.500   1.5039   0.04724   0.04166   0.0014   0.0477   1.0000
  16.750   1.5077   0.04962   0.04412   0.0014   0.0470   1.0000
  17.000   1.5095   0.05225   0.04682   0.0014   0.0462   1.0000
  17.250   1.5092   0.05514   0.04977   0.0013   0.0454   1.0000
  17.500   1.5070   0.05831   0.05300   0.0011   0.0447   1.0000
  17.750   1.5026   0.06180   0.05656   0.0008   0.0441   1.0000
  18.000   1.4947   0.06576   0.06058   0.0002   0.0434   1.0000
  18.250   1.4881   0.06960   0.06450  -0.0003   0.0428   1.0000
  18.500   1.4860   0.07296   0.06795  -0.0009   0.0424   1.0000
  18.750   1.4828   0.07647   0.07154  -0.0016   0.0419   1.0000
  19.000   1.4787   0.08014   0.07528  -0.0024   0.0415   1.0000
  19.250   1.4723   0.08412   0.07935  -0.0033   0.0410   1.0000
<< Back to NACA 2418 (naca2418-il)

Polar data table (+)

Polar graphs


<< Back to NACA 2418 (naca2418-il)