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NACA 66-018 (naca66-018-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 66-018 (naca66-018-il)
Reynolds number: 500,000
Max Cl/Cd: 57.07 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca66-018-il-500000.txt
Download as CSV file: xf-naca66-018-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-018                                     
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -0.6689   0.12665   0.12418  -0.0454   1.0000   0.0248
 -17.250  -0.6609   0.12440   0.12195  -0.0467   1.0000   0.0251
 -17.000  -0.6613   0.11990   0.11745  -0.0494   1.0000   0.0254
 -16.750  -0.6670   0.11409   0.11162  -0.0532   1.0000   0.0258
 -16.500  -0.8141   0.06448   0.06063  -0.0754   0.9249   0.0209
 -16.250  -0.8260   0.06013   0.05614  -0.0760   0.9207   0.0210
 -16.000  -0.8402   0.05560   0.05143  -0.0762   0.9170   0.0210
 -15.750  -0.8539   0.05105   0.04668  -0.0762   0.9130   0.0211
 -15.500  -0.8512   0.04874   0.04433  -0.0760   0.9077   0.0214
 -15.250  -0.8593   0.04515   0.04057  -0.0753   0.9035   0.0215
 -15.000  -0.8642   0.04193   0.03720  -0.0745   0.8994   0.0216
 -14.750  -0.8707   0.03830   0.03334  -0.0734   0.8951   0.0216
 -14.500  -0.8717   0.03539   0.03025  -0.0723   0.8907   0.0216
 -14.250  -0.8698   0.03286   0.02755  -0.0712   0.8866   0.0217
 -14.000  -0.8642   0.03072   0.02528  -0.0702   0.8825   0.0220
 -13.750  -0.8565   0.02855   0.02297  -0.0693   0.8784   0.0221
 -13.500  -0.8476   0.02674   0.02102  -0.0683   0.8743   0.0223
 -13.250  -0.8357   0.02496   0.01909  -0.0674   0.8706   0.0226
 -13.000  -0.8618   0.03419   0.02778  -0.0708   0.8807   0.0226
 -12.750  -0.8450   0.03313   0.02661  -0.0701   0.8760   0.0231
 -12.500  -0.8266   0.03220   0.02556  -0.0695   0.8718   0.0233
 -12.250  -0.8093   0.03135   0.02459  -0.0688   0.8678   0.0237
 -12.000  -0.7942   0.03055   0.02368  -0.0679   0.8637   0.0241
 -11.750  -0.7722   0.02963   0.02270  -0.0676   0.8601   0.0247
 -11.500  -0.7524   0.02876   0.02183  -0.0671   0.8566   0.0253
 -11.250  -0.7354   0.02801   0.02102  -0.0663   0.8531   0.0256
 -11.000  -0.7193   0.02732   0.02031  -0.0654   0.8496   0.0264
 -10.750  -0.7031   0.02657   0.01952  -0.0645   0.8462   0.0269
 -10.500  -0.6874   0.02582   0.01873  -0.0635   0.8428   0.0274
 -10.250  -0.6718   0.02514   0.01798  -0.0625   0.8397   0.0280
 -10.000  -0.6556   0.02453   0.01730  -0.0615   0.8368   0.0287
  -9.750  -0.6449   0.02359   0.01632  -0.0598   0.8338   0.0297
  -9.500  -0.6325   0.02277   0.01550  -0.0584   0.8311   0.0308
  -9.250  -0.6180   0.02210   0.01482  -0.0572   0.8283   0.0317
  -9.000  -0.6029   0.02148   0.01417  -0.0559   0.8256   0.0329
  -8.750  -0.5873   0.02091   0.01354  -0.0547   0.8230   0.0345
  -8.500  -0.5764   0.02011   0.01273  -0.0529   0.8205   0.0363
  -8.250  -0.5613   0.01956   0.01214  -0.0516   0.8182   0.0380
  -8.000  -0.5451   0.01908   0.01162  -0.0503   0.8160   0.0405
  -7.750  -0.5323   0.01840   0.01097  -0.0487   0.8139   0.0440
  -7.500  -0.5166   0.01788   0.01044  -0.0473   0.8117   0.0483
  -7.250  -0.5022   0.01732   0.00991  -0.0458   0.8095   0.0550
  -7.000  -0.4923   0.01657   0.00930  -0.0436   0.8072   0.0757
  -6.750  -0.4925   0.01544   0.00852  -0.0399   0.8047   0.1378
  -6.500  -0.4965   0.01427   0.00773  -0.0356   0.8023   0.2142
  -6.250  -0.5021   0.01320   0.00698  -0.0308   0.7999   0.2847
  -6.000  -0.5112   0.01216   0.00626  -0.0251   0.7977   0.3502
  -5.750  -0.5257   0.01119   0.00560  -0.0181   0.7951   0.4128
  -5.500  -0.5422   0.01058   0.00525  -0.0101   0.7925   0.4701
  -5.250  -0.5529   0.00984   0.00490  -0.0031   0.7902   0.5476
  -5.000  -0.5479   0.00960   0.00504   0.0014   0.7884   0.6365
  -4.750  -0.5261   0.00969   0.00510   0.0025   0.7871   0.6632
  -4.500  -0.5017   0.00981   0.00519   0.0031   0.7859   0.6788
  -4.250  -0.4752   0.00999   0.00534   0.0033   0.7848   0.6900
  -4.000  -0.4498   0.01017   0.00548   0.0037   0.7838   0.7006
  -3.750  -0.4240   0.01059   0.00586   0.0043   0.7827   0.7136
  -3.500  -0.3913   0.01118   0.00651   0.0037   0.7816   0.7234
  -3.250  -0.3671   0.01140   0.00669   0.0042   0.7804   0.7312
  -3.000  -0.3325   0.01184   0.00719   0.0031   0.7794   0.7363
  -2.750  -0.3019   0.01220   0.00756   0.0026   0.7784   0.7411
  -2.500  -0.2762   0.01235   0.00768   0.0028   0.7772   0.7460
  -2.250  -0.2491   0.01242   0.00773   0.0026   0.7760   0.7492
  -2.000  -0.2195   0.01254   0.00786   0.0021   0.7749   0.7510
  -1.750  -0.1906   0.01264   0.00796   0.0016   0.7738   0.7527
  -1.500  -0.1621   0.01273   0.00805   0.0012   0.7728   0.7545
  -1.250  -0.1341   0.01281   0.00811   0.0009   0.7715   0.7567
  -1.000  -0.1068   0.01284   0.00813   0.0007   0.7704   0.7591
  -0.750  -0.0805   0.01283   0.00810   0.0006   0.7694   0.7612
  -0.500  -0.0547   0.01280   0.00803   0.0005   0.7684   0.7632
  -0.250  -0.0287   0.01276   0.00796   0.0004   0.7673   0.7649
   0.000  -0.0002   0.01268   0.00788   0.0000   0.7661   0.7662
   0.250   0.0284   0.01272   0.00791  -0.0004   0.7648   0.7674
   0.500   0.0550   0.01278   0.00800  -0.0006   0.7633   0.7685
   0.750   0.0807   0.01281   0.00807  -0.0006   0.7614   0.7694
   1.000   0.1068   0.01283   0.00811  -0.0007   0.7591   0.7704
   1.250   0.1340   0.01280   0.00810  -0.0009   0.7568   0.7715
   1.500   0.1619   0.01274   0.00805  -0.0012   0.7545   0.7727
   1.750   0.1903   0.01265   0.00797  -0.0016   0.7526   0.7738
   2.000   0.2191   0.01255   0.00788  -0.0020   0.7509   0.7749
   2.250   0.2487   0.01242   0.00774  -0.0026   0.7491   0.7760
   2.500   0.2771   0.01233   0.00765  -0.0029   0.7461   0.7771
   2.750   0.3022   0.01220   0.00756  -0.0027   0.7412   0.7783
   3.000   0.3323   0.01186   0.00722  -0.0031   0.7363   0.7794
   3.250   0.3668   0.01140   0.00669  -0.0042   0.7312   0.7804
   3.500   0.3915   0.01119   0.00654  -0.0037   0.7239   0.7816
   3.750   0.4244   0.01060   0.00585  -0.0043   0.7136   0.7827
   4.000   0.4496   0.01018   0.00548  -0.0037   0.7005   0.7838
   4.250   0.4752   0.00999   0.00534  -0.0033   0.6900   0.7849
   4.500   0.5020   0.00981   0.00518  -0.0032   0.6791   0.7859
   4.750   0.5262   0.00968   0.00509  -0.0025   0.6633   0.7871
   5.000   0.5479   0.00960   0.00504  -0.0014   0.6363   0.7884
   5.250   0.5533   0.00983   0.00490   0.0030   0.5487   0.7901
   5.500   0.5408   0.01061   0.00526   0.0104   0.4671   0.7925
   5.750   0.5250   0.01121   0.00561   0.0183   0.4115   0.7951
   6.000   0.5117   0.01215   0.00625   0.0251   0.3511   0.7977
   6.250   0.5024   0.01322   0.00699   0.0307   0.2845   0.7999
   6.500   0.4962   0.01429   0.00773   0.0356   0.2124   0.8023
   6.750   0.4921   0.01546   0.00853   0.0400   0.1354   0.8047
   7.000   0.4925   0.01657   0.00930   0.0436   0.0753   0.8072
   7.250   0.5023   0.01732   0.00992   0.0458   0.0550   0.8094
   7.500   0.5167   0.01789   0.01045   0.0473   0.0479   0.8117
   7.750   0.5325   0.01840   0.01097   0.0487   0.0437   0.8139
   8.000   0.5448   0.01911   0.01164   0.0504   0.0402   0.8161
   8.250   0.5616   0.01957   0.01214   0.0515   0.0381   0.8182
   8.500   0.5767   0.02011   0.01273   0.0529   0.0363   0.8205
   8.750   0.5880   0.02088   0.01351   0.0546   0.0344   0.8230
   9.000   0.6028   0.02150   0.01418   0.0559   0.0330   0.8256
   9.250   0.6184   0.02210   0.01481   0.0571   0.0318   0.8283
   9.500   0.6330   0.02275   0.01549   0.0583   0.0306   0.8312
   9.750   0.6459   0.02354   0.01627   0.0597   0.0295   0.8339
  10.000   0.6561   0.02452   0.01728   0.0614   0.0286   0.8368
  10.250   0.6723   0.02513   0.01797   0.0624   0.0281   0.8397
  10.500   0.6879   0.02581   0.01872   0.0635   0.0273   0.8428
  10.750   0.7036   0.02655   0.01951   0.0645   0.0269   0.8461
  11.000   0.7199   0.02726   0.02025   0.0653   0.0262   0.8496
  11.250   0.7365   0.02801   0.02103   0.0662   0.0258   0.8530
  11.500   0.7530   0.02874   0.02181   0.0670   0.0253   0.8567
  11.750   0.7718   0.02958   0.02266   0.0676   0.0246   0.8602
  12.000   0.7992   0.03058   0.02369   0.0674   0.0241   0.8634
  12.250   0.8103   0.03135   0.02459   0.0687   0.0236   0.8679
  12.500   0.8298   0.03224   0.02559   0.0692   0.0233   0.8717
  12.750   0.8474   0.03318   0.02666   0.0699   0.0230   0.8760
  13.000   0.8639   0.03421   0.02781   0.0706   0.0227   0.8807
  13.250   0.8800   0.03534   0.02904   0.0712   0.0224   0.8855
  13.500   0.8950   0.03658   0.03044   0.0721   0.0222   0.8904
  13.750   0.9070   0.03780   0.03178   0.0731   0.0218   0.8962
  14.000   0.9188   0.03925   0.03335   0.0740   0.0217   0.9023
  14.250   0.9280   0.04072   0.03499   0.0751   0.0215   0.9089
  14.500   0.9358   0.04230   0.03670   0.0763   0.0214   0.9167
  14.750   0.9426   0.04397   0.03853   0.0773   0.0212   0.9251
  15.000   0.9469   0.04591   0.04064   0.0783   0.0210   0.9354
  15.250   0.9585   0.04748   0.04227   0.0780   0.0207   0.9471
  15.500   0.9661   0.05064   0.04568   0.0765   0.0206   0.9565
  15.750   0.9733   0.05459   0.04983   0.0744   0.0204   0.9646
  16.000   0.9679   0.05950   0.05503   0.0723   0.0203   0.9756
  16.250   0.9507   0.06383   0.05957   0.0724   0.0202   1.0000
  16.500   0.9384   0.06769   0.06359   0.0722   0.0202   1.0000
  16.750   0.9287   0.07105   0.06709   0.0717   0.0203   1.0000
  17.000   0.9062   0.07653   0.07276   0.0706   0.0203   1.0000
  17.250   0.8881   0.08163   0.07803   0.0688   0.0204   1.0000
  17.500   0.8612   0.08845   0.08508   0.0657   0.0206   1.0000
  17.750   0.5615   0.16744   0.16502   0.0273   0.0294   1.0000
  18.000   0.5708   0.16960   0.16717   0.0263   0.0292   1.0000
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