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NACA 66(3)-218 (naca663218-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 66(3)-218 (naca663218-il)
Reynolds number: 500,000
Max Cl/Cd: 76.42 at α=5.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca663218-il-500000.txt
Download as CSV file: xf-naca663218-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66(3)-218                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -16.000  -0.4713   0.09470   0.09197  -0.0840   0.8952   0.0286
 -15.750  -0.4757   0.09026   0.08750  -0.0867   0.8927   0.0288
 -15.500  -0.7386   0.06116   0.05738  -0.1074   0.9499   0.0233
 -15.250  -0.7578   0.05644   0.05236  -0.1089   0.9374   0.0233
 -15.000  -0.7697   0.05277   0.04848  -0.1086   0.9266   0.0232
 -14.750  -0.7861   0.04944   0.04488  -0.1071   0.9163   0.0232
 -14.500  -0.7966   0.04655   0.04178  -0.1053   0.9079   0.0231
 -14.250  -0.8067   0.04428   0.03927  -0.1032   0.8999   0.0232
 -14.000  -0.8141   0.04199   0.03675  -0.1009   0.8931   0.0233
 -13.750  -0.8192   0.04008   0.03462  -0.0986   0.8865   0.0234
 -13.500  -0.8281   0.03892   0.03321  -0.0954   0.8802   0.0235
 -13.250  -0.8217   0.03622   0.03029  -0.0941   0.8756   0.0237
 -13.000  -0.8043   0.03397   0.02788  -0.0938   0.8716   0.0240
 -12.750  -0.7885   0.03259   0.02641  -0.0932   0.8676   0.0243
 -12.500  -0.7719   0.03136   0.02504  -0.0925   0.8638   0.0245
 -12.250  -0.7553   0.03028   0.02388  -0.0918   0.8601   0.0249
 -12.000  -0.7362   0.02925   0.02277  -0.0913   0.8564   0.0251
 -11.750  -0.7169   0.02833   0.02176  -0.0908   0.8529   0.0255
 -11.500  -0.6964   0.02743   0.02076  -0.0903   0.8496   0.0259
 -11.250  -0.6748   0.02661   0.01982  -0.0899   0.8464   0.0263
 -11.000  -0.6534   0.02583   0.01897  -0.0896   0.8435   0.0267
 -10.750  -0.6323   0.02510   0.01815  -0.0891   0.8403   0.0273
 -10.500  -0.6139   0.02452   0.01748  -0.0883   0.8372   0.0278
 -10.250  -0.5877   0.02365   0.01656  -0.0884   0.8348   0.0284
 -10.000  -0.5673   0.02293   0.01585  -0.0878   0.8323   0.0292
  -9.750  -0.5486   0.02234   0.01522  -0.0870   0.8296   0.0297
  -9.500  -0.5306   0.02176   0.01463  -0.0862   0.8273   0.0305
  -9.250  -0.5131   0.02116   0.01401  -0.0852   0.8246   0.0311
  -9.000  -0.4956   0.02062   0.01343  -0.0842   0.8220   0.0320
  -8.750  -0.4783   0.02009   0.01285  -0.0832   0.8195   0.0327
  -8.500  -0.4639   0.01940   0.01212  -0.0817   0.8172   0.0336
  -8.250  -0.4506   0.01873   0.01143  -0.0802   0.8149   0.0347
  -8.000  -0.4345   0.01826   0.01095  -0.0789   0.8127   0.0362
  -7.750  -0.4173   0.01783   0.01050  -0.0778   0.8107   0.0380
  -7.500  -0.4015   0.01733   0.00997  -0.0765   0.8087   0.0393
  -7.250  -0.3891   0.01669   0.00935  -0.0746   0.8064   0.0418
  -7.000  -0.3723   0.01626   0.00891  -0.0733   0.8043   0.0440
  -6.750  -0.3564   0.01581   0.00843  -0.0719   0.8022   0.0471
  -6.500  -0.3409   0.01534   0.00798  -0.0703   0.8002   0.0522
  -6.250  -0.3261   0.01486   0.00753  -0.0686   0.7984   0.0608
  -6.000  -0.3153   0.01427   0.00706  -0.0663   0.7966   0.0860
  -5.750  -0.3189   0.01324   0.00645  -0.0618   0.7945   0.1662
  -5.500  -0.3264   0.01231   0.00592  -0.0564   0.7923   0.2473
  -5.250  -0.3377   0.01168   0.00560  -0.0498   0.7899   0.3169
  -5.000  -0.3452   0.01086   0.00521  -0.0439   0.7876   0.4096
  -4.750  -0.3498   0.00993   0.00477  -0.0384   0.7856   0.5184
  -4.500  -0.3415   0.00952   0.00487  -0.0348   0.7840   0.6386
  -4.250  -0.3165   0.00963   0.00496  -0.0344   0.7829   0.6681
  -4.000  -0.2900   0.00978   0.00506  -0.0342   0.7818   0.6842
  -3.750  -0.2619   0.00998   0.00525  -0.0343   0.7808   0.6954
  -3.500  -0.2341   0.01022   0.00546  -0.0343   0.7797   0.7063
  -3.250  -0.2073   0.01062   0.00581  -0.0340   0.7784   0.7189
  -3.000  -0.1771   0.01118   0.00646  -0.0341   0.7775   0.7297
  -2.750  -0.1497   0.01149   0.00678  -0.0340   0.7764   0.7376
  -2.500  -0.1190   0.01202   0.00737  -0.0342   0.7754   0.7436
  -2.250  -0.0917   0.01227   0.00760  -0.0342   0.7742   0.7491
  -2.000  -0.0657   0.01235   0.00765  -0.0342   0.7730   0.7530
  -1.750  -0.0376   0.01245   0.00775  -0.0345   0.7719   0.7548
  -1.500  -0.0096   0.01256   0.00786  -0.0347   0.7707   0.7565
  -1.250   0.0185   0.01266   0.00796  -0.0350   0.7694   0.7585
  -1.000   0.0464   0.01275   0.00804  -0.0352   0.7683   0.7608
  -0.750   0.0738   0.01280   0.00808  -0.0355   0.7673   0.7629
  -0.500   0.1010   0.01280   0.00806  -0.0358   0.7663   0.7650
  -0.250   0.1284   0.01277   0.00800  -0.0362   0.7652   0.7670
   0.000   0.1563   0.01275   0.00794  -0.0367   0.7641   0.7688
   0.250   0.1847   0.01270   0.00787  -0.0372   0.7629   0.7701
   0.500   0.2128   0.01275   0.00792  -0.0375   0.7615   0.7711
   0.750   0.2373   0.01279   0.00801  -0.0373   0.7597   0.7722
   1.000   0.2623   0.01284   0.00809  -0.0372   0.7576   0.7731
   1.250   0.2887   0.01284   0.00812  -0.0373   0.7553   0.7741
   1.500   0.3163   0.01280   0.00809  -0.0376   0.7530   0.7750
   1.750   0.3451   0.01274   0.00804  -0.0381   0.7511   0.7762
   2.000   0.3745   0.01268   0.00798  -0.0386   0.7494   0.7774
   2.250   0.4044   0.01260   0.00791  -0.0393   0.7478   0.7785
   2.500   0.4355   0.01252   0.00782  -0.0402   0.7461   0.7795
   2.750   0.4612   0.01250   0.00784  -0.0401   0.7429   0.7807
   3.000   0.4866   0.01240   0.00778  -0.0400   0.7386   0.7820
   3.250   0.5170   0.01215   0.00754  -0.0406   0.7348   0.7831
   3.500   0.5509   0.01181   0.00718  -0.0418   0.7312   0.7842
   3.750   0.5804   0.01160   0.00697  -0.0423   0.7262   0.7852
   4.000   0.6071   0.01128   0.00668  -0.0421   0.7188   0.7863
   4.250   0.6379   0.01075   0.00613  -0.0424   0.7090   0.7875
   4.500   0.6667   0.01029   0.00562  -0.0424   0.6966   0.7887
   4.750   0.6873   0.01013   0.00556  -0.0410   0.6856   0.7900
   5.000   0.7107   0.00999   0.00546  -0.0402   0.6743   0.7912
   5.250   0.7325   0.00989   0.00540  -0.0391   0.6599   0.7926
   5.500   0.7504   0.00982   0.00534  -0.0372   0.6357   0.7941
   5.750   0.7551   0.00991   0.00523  -0.0327   0.5758   0.7961
   6.000   0.7358   0.01046   0.00544  -0.0237   0.5184   0.7988
   6.250   0.7193   0.01140   0.00610  -0.0159   0.4646   0.8016
   6.500   0.7063   0.01250   0.00694  -0.0093   0.4111   0.8040
   6.750   0.6949   0.01365   0.00784  -0.0034   0.3548   0.8065
   7.000   0.6878   0.01487   0.00879   0.0015   0.2984   0.8089
   7.250   0.6830   0.01612   0.00976   0.0059   0.2384   0.8115
   7.500   0.6800   0.01742   0.01071   0.0098   0.1743   0.8142
   7.750   0.6783   0.01876   0.01168   0.0133   0.1076   0.8171
   8.000   0.6817   0.01996   0.01259   0.0161   0.0643   0.8197
   8.250   0.6926   0.02079   0.01333   0.0178   0.0500   0.8219
   8.500   0.7054   0.02150   0.01403   0.0194   0.0433   0.8243
   8.750   0.7203   0.02214   0.01471   0.0207   0.0398   0.8266
   9.000   0.7315   0.02301   0.01558   0.0223   0.0363   0.8293
   9.250   0.7470   0.02366   0.01628   0.0234   0.0346   0.8320
   9.500   0.7614   0.02440   0.01704   0.0246   0.0325   0.8349
   9.750   0.7727   0.02535   0.01798   0.0260   0.0311   0.8377
  10.000   0.7850   0.02621   0.01890   0.0274   0.0299   0.8406
  10.250   0.7990   0.02696   0.01973   0.0285   0.0285   0.8436
  10.500   0.8125   0.02779   0.02059   0.0297   0.0276   0.8468
  10.750   0.8245   0.02874   0.02157   0.0309   0.0268   0.8503
  11.000   0.8331   0.02999   0.02284   0.0324   0.0261   0.8538
  11.250   0.8463   0.03091   0.02382   0.0334   0.0255   0.8572
  11.500   0.8602   0.03177   0.02477   0.0345   0.0249   0.8609
  11.750   0.8735   0.03273   0.02580   0.0355   0.0243   0.8648
  12.000   0.8876   0.03367   0.02679   0.0364   0.0239   0.8692
  12.250   0.9017   0.03463   0.02782   0.0372   0.0234   0.8734
  12.500   0.9153   0.03556   0.02881   0.0382   0.0229   0.8779
  12.750   0.9293   0.03654   0.02982   0.0390   0.0225   0.8829
  13.000   0.9452   0.03753   0.03084   0.0396   0.0222   0.8877
  13.250   0.9681   0.03853   0.03187   0.0399   0.0216   0.8914
  13.500   0.9769   0.03962   0.03312   0.0411   0.0212   0.8977
  13.750   0.9927   0.04071   0.03431   0.0417   0.0210   0.9037
  14.000   1.0061   0.04184   0.03558   0.0426   0.0207   0.9099
  14.250   1.0164   0.04310   0.03697   0.0435   0.0203   0.9179
  14.500   1.0298   0.04439   0.03840   0.0444   0.0201   0.9259
  14.750   1.0410   0.04577   0.03992   0.0452   0.0200   0.9363
  15.000   1.0537   0.04746   0.04179   0.0455   0.0197   0.9486
  15.250   1.0699   0.04946   0.04395   0.0443   0.0195   0.9618
  15.500   1.0866   0.05143   0.04604   0.0424   0.0191   0.9933
  15.750   1.0906   0.05367   0.04842   0.0433   0.0192   1.0000
  16.000   1.0962   0.05600   0.05086   0.0435   0.0190   1.0000
  16.250   1.0986   0.05859   0.05358   0.0437   0.0189   1.0000
  16.500   1.1007   0.06105   0.05613   0.0437   0.0187   1.0000
  16.750   1.0991   0.06408   0.05931   0.0438   0.0186   1.0000
  17.000   1.0851   0.06875   0.06427   0.0439   0.0188   1.0000
  17.250   1.0765   0.07272   0.06840   0.0436   0.0187   1.0000
  17.500   1.0644   0.07721   0.07308   0.0429   0.0187   1.0000
  17.750   1.0168   0.08699   0.08332   0.0406   0.0190   1.0000
  18.000   0.9453   0.10196   0.09883   0.0350   0.0199   1.0000
  18.250   0.9110   0.11199   0.10909   0.0296   0.0199   1.0000
  18.500   0.8601   0.12658   0.12394   0.0210   0.0205   1.0000
  18.750   0.8095   0.14318   0.14074   0.0109   0.0211   1.0000
  19.000   0.7961   0.15096   0.14853   0.0067   0.0215   1.0000
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