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NACA 66(3)-218 (naca663218-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: NACA 66(3)-218 (naca663218-il)
Reynolds number: 500,000
Max Cl/Cd: 72.3 at α=4.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca663218-il-500000-n5.txt
Download as CSV file: xf-naca663218-il-500000-n5.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 =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.7615   0.11292   0.10989  -0.0640   1.0000   0.0149
 -18.750  -0.8054   0.10004   0.09674  -0.0714   1.0000   0.0148
 -18.500  -0.8335   0.09104   0.08754  -0.0764   1.0000   0.0148
 -18.250  -0.8549   0.08376   0.08007  -0.0803   1.0000   0.0149
 -18.000  -0.8693   0.07686   0.07297  -0.0848   0.9695   0.0149
 -17.750  -0.8758   0.07036   0.06622  -0.0904   0.9593   0.0150
 -17.500  -0.8748   0.06518   0.06081  -0.0953   0.9504   0.0151
 -17.250  -0.8743   0.06043   0.05584  -0.0992   0.9408   0.0152
 -17.000  -0.8713   0.05679   0.05200  -0.1018   0.9293   0.0153
 -16.750  -0.8710   0.05367   0.04866  -0.1030   0.9175   0.0154
 -16.500  -0.8717   0.05093   0.04572  -0.1033   0.9063   0.0155
 -16.250  -0.8706   0.04861   0.04322  -0.1031   0.8968   0.0155
 -16.000  -0.8692   0.04641   0.04084  -0.1027   0.8880   0.0156
 -15.750  -0.8660   0.04441   0.03871  -0.1022   0.8809   0.0157
 -15.500  -0.8617   0.04259   0.03676  -0.1016   0.8738   0.0158
 -15.250  -0.8560   0.04094   0.03499  -0.1009   0.8678   0.0159
 -15.000  -0.8493   0.03939   0.03336  -0.1003   0.8623   0.0161
 -14.750  -0.8411   0.03804   0.03190  -0.0996   0.8568   0.0162
 -14.500  -0.8326   0.03674   0.03050  -0.0988   0.8519   0.0163
 -14.250  -0.8228   0.03551   0.02920  -0.0980   0.8475   0.0165
 -14.000  -0.8125   0.03438   0.02799  -0.0973   0.8430   0.0167
 -13.750  -0.8015   0.03327   0.02679  -0.0964   0.8386   0.0168
 -13.500  -0.7902   0.03224   0.02566  -0.0956   0.8346   0.0170
 -13.250  -0.7780   0.03126   0.02460  -0.0948   0.8310   0.0173
 -13.000  -0.7649   0.03036   0.02362  -0.0940   0.8272   0.0177
 -12.750  -0.7522   0.02940   0.02259  -0.0930   0.8235   0.0178
 -12.500  -0.7388   0.02855   0.02165  -0.0921   0.8200   0.0180
 -12.250  -0.7251   0.02772   0.02072  -0.0912   0.8167   0.0183
 -12.000  -0.7109   0.02690   0.01983  -0.0903   0.8138   0.0185
 -11.750  -0.6962   0.02614   0.01900  -0.0894   0.8106   0.0188
 -11.500  -0.6816   0.02540   0.01819  -0.0884   0.8073   0.0189
 -11.250  -0.6694   0.02451   0.01726  -0.0871   0.8040   0.0192
 -11.000  -0.6548   0.02382   0.01652  -0.0861   0.8010   0.0195
 -10.750  -0.6404   0.02313   0.01577  -0.0850   0.7983   0.0197
 -10.500  -0.6245   0.02251   0.01513  -0.0841   0.7957   0.0203
 -10.250  -0.6084   0.02190   0.01449  -0.0831   0.7931   0.0207
 -10.000  -0.5925   0.02131   0.01385  -0.0821   0.7905   0.0211
  -9.750  -0.5763   0.02074   0.01324  -0.0811   0.7879   0.0215
  -9.500  -0.5596   0.02021   0.01265  -0.0801   0.7856   0.0221
  -9.250  -0.5429   0.01970   0.01208  -0.0790   0.7834   0.0225
  -9.000  -0.5277   0.01911   0.01145  -0.0778   0.7813   0.0232
  -8.750  -0.5108   0.01860   0.01095  -0.0767   0.7793   0.0238
  -8.500  -0.4930   0.01815   0.01048  -0.0758   0.7772   0.0245
  -8.250  -0.4750   0.01772   0.01003  -0.0748   0.7751   0.0257
  -8.000  -0.4570   0.01730   0.00957  -0.0738   0.7730   0.0266
  -7.750  -0.4397   0.01685   0.00911  -0.0727   0.7710   0.0278
  -7.500  -0.4220   0.01643   0.00867  -0.0716   0.7692   0.0288
  -7.250  -0.4037   0.01605   0.00826  -0.0706   0.7674   0.0303
  -7.000  -0.3847   0.01572   0.00788  -0.0696   0.7658   0.0319
  -6.750  -0.3669   0.01533   0.00750  -0.0685   0.7642   0.0339
  -6.500  -0.3484   0.01498   0.00714  -0.0674   0.7626   0.0369
  -6.250  -0.3301   0.01462   0.00681  -0.0663   0.7609   0.0402
  -6.000  -0.3123   0.01426   0.00648  -0.0651   0.7591   0.0461
  -5.750  -0.2953   0.01388   0.00614  -0.0637   0.7573   0.0557
  -5.500  -0.2801   0.01345   0.00578  -0.0621   0.7554   0.0732
  -5.250  -0.2683   0.01291   0.00539  -0.0598   0.7537   0.1042
  -5.000  -0.2614   0.01227   0.00496  -0.0567   0.7520   0.1531
  -4.750  -0.2584   0.01173   0.00461  -0.0527   0.7504   0.2034
  -4.500  -0.2557   0.01123   0.00432  -0.0485   0.7488   0.2579
  -4.250  -0.2507   0.01061   0.00399  -0.0449   0.7474   0.3278
  -4.000  -0.2451   0.00992   0.00364  -0.0413   0.7459   0.4079
  -3.750  -0.2393   0.00913   0.00326  -0.0378   0.7444   0.5005
  -3.500  -0.2310   0.00851   0.00323  -0.0343   0.7429   0.6279
  -3.250  -0.2055   0.00857   0.00333  -0.0340   0.7417   0.6650
  -3.000  -0.1787   0.00867   0.00342  -0.0339   0.7406   0.6840
  -2.750  -0.1509   0.00878   0.00355  -0.0340   0.7395   0.6954
  -2.500  -0.1234   0.00889   0.00363  -0.0340   0.7384   0.7056
  -2.250  -0.0947   0.00902   0.00376  -0.0343   0.7374   0.7120
  -2.000  -0.0663   0.00906   0.00377  -0.0346   0.7364   0.7160
  -1.750  -0.0380   0.00907   0.00372  -0.0350   0.7353   0.7191
  -1.500  -0.0093   0.00909   0.00372  -0.0354   0.7343   0.7220
  -1.250   0.0199   0.00913   0.00376  -0.0358   0.7333   0.7244
  -1.000   0.0490   0.00916   0.00377  -0.0363   0.7325   0.7262
  -0.750   0.0781   0.00918   0.00377  -0.0369   0.7316   0.7274
  -0.500   0.1068   0.00919   0.00376  -0.0374   0.7308   0.7284
  -0.250   0.1351   0.00920   0.00378  -0.0378   0.7299   0.7296
   0.000   0.1634   0.00921   0.00380  -0.0382   0.7290   0.7308
   0.250   0.1917   0.00923   0.00382  -0.0386   0.7280   0.7319
   0.500   0.2200   0.00924   0.00384  -0.0390   0.7268   0.7329
   0.750   0.2482   0.00926   0.00386  -0.0394   0.7255   0.7339
   1.000   0.2766   0.00928   0.00389  -0.0398   0.7243   0.7349
   1.250   0.3050   0.00928   0.00390  -0.0403   0.7226   0.7359
   1.500   0.3337   0.00927   0.00388  -0.0407   0.7204   0.7368
   1.750   0.3627   0.00923   0.00384  -0.0412   0.7180   0.7376
   2.000   0.3922   0.00921   0.00382  -0.0417   0.7157   0.7385
   2.250   0.4200   0.00922   0.00388  -0.0420   0.7134   0.7395
   2.500   0.4469   0.00924   0.00396  -0.0421   0.7109   0.7406
   2.750   0.4740   0.00923   0.00400  -0.0422   0.7072   0.7417
   3.000   0.5020   0.00918   0.00397  -0.0424   0.7029   0.7428
   3.250   0.5315   0.00913   0.00390  -0.0428   0.6984   0.7438
   3.500   0.5555   0.00910   0.00396  -0.0423   0.6916   0.7450
   3.750   0.5825   0.00902   0.00388  -0.0423   0.6837   0.7461
   4.000   0.6063   0.00899   0.00390  -0.0416   0.6731   0.7474
   4.250   0.6293   0.00894   0.00386  -0.0408   0.6565   0.7487
   4.500   0.6464   0.00894   0.00376  -0.0387   0.6145   0.7501
   4.750   0.6360   0.00953   0.00388  -0.0313   0.5282   0.7521
   5.000   0.6208   0.01020   0.00427  -0.0232   0.4744   0.7540
   5.250   0.6129   0.01101   0.00489  -0.0170   0.4274   0.7559
   5.500   0.6053   0.01199   0.00565  -0.0112   0.3752   0.7578
   5.750   0.6041   0.01290   0.00638  -0.0068   0.3284   0.7597
   6.000   0.6039   0.01388   0.00714  -0.0028   0.2790   0.7616
   6.250   0.6064   0.01485   0.00788   0.0006   0.2303   0.7637
   6.500   0.6121   0.01575   0.00857   0.0035   0.1870   0.7658
   6.750   0.6172   0.01673   0.00930   0.0063   0.1376   0.7680
   7.000   0.6242   0.01768   0.01002   0.0087   0.0949   0.7702
   7.500   0.6488   0.01913   0.01125   0.0121   0.0507   0.7738
   7.750   0.6642   0.01972   0.01182   0.0134   0.0416   0.7756
   8.000   0.6805   0.02028   0.01237   0.0145   0.0360   0.7775
   8.250   0.6974   0.02082   0.01292   0.0155   0.0325   0.7796
   8.500   0.7136   0.02141   0.01352   0.0166   0.0298   0.7818
   8.750   0.7311   0.02195   0.01408   0.0175   0.0277   0.7840
   9.000   0.7474   0.02257   0.01471   0.0184   0.0258   0.7863
   9.250   0.7638   0.02318   0.01535   0.0194   0.0245   0.7885
   9.500   0.7806   0.02378   0.01598   0.0203   0.0233   0.7906
   9.750   0.7965   0.02441   0.01665   0.0212   0.0222   0.7929
  10.000   0.8108   0.02517   0.01744   0.0224   0.0209   0.7953
  10.250   0.8268   0.02584   0.01816   0.0233   0.0203   0.7979
  10.500   0.8426   0.02654   0.01890   0.0241   0.0192   0.8007
  10.750   0.8577   0.02730   0.01971   0.0250   0.0188   0.8035
  11.000   0.8726   0.02809   0.02052   0.0259   0.0181   0.8062
  11.250   0.8856   0.02900   0.02147   0.0269   0.0175   0.8089
  11.500   0.8997   0.02984   0.02238   0.0279   0.0170   0.8118
  11.750   0.9130   0.03075   0.02336   0.0288   0.0167   0.8151
  12.000   0.9260   0.03170   0.02438   0.0298   0.0163   0.8187
  12.250   0.9395   0.03265   0.02538   0.0306   0.0159   0.8223
  12.500   0.9518   0.03370   0.02648   0.0315   0.0156   0.8256
  12.750   0.9635   0.03477   0.02763   0.0324   0.0154   0.8293
  13.000   0.9756   0.03584   0.02877   0.0332   0.0150   0.8332
  13.250   0.9865   0.03704   0.03002   0.0341   0.0148   0.8372
  13.500   0.9968   0.03832   0.03136   0.0349   0.0147   0.8411
  13.750   1.0042   0.03982   0.03292   0.0359   0.0143   0.8451
  14.000   1.0143   0.04113   0.03432   0.0366   0.0142   0.8495
  14.250   1.0232   0.04259   0.03587   0.0374   0.0142   0.8542
  14.750   1.0405   0.04561   0.03909   0.0388   0.0138   0.8638
  15.000   1.0493   0.04713   0.04073   0.0394   0.0135   0.8695
  15.250   1.0562   0.04890   0.04258   0.0400   0.0136   0.8752
  15.500   1.0637   0.05056   0.04437   0.0406   0.0133   0.8817
  15.750   1.0696   0.05243   0.04636   0.0411   0.0132   0.8889
  16.000   1.0755   0.05434   0.04838   0.0415   0.0132   0.8966
  16.250   1.0809   0.05633   0.05049   0.0419   0.0129   0.9062
  16.500   1.0860   0.05840   0.05269   0.0422   0.0129   0.9171
  16.750   1.0912   0.06071   0.05512   0.0420   0.0128   0.9296
  17.000   1.0986   0.06332   0.05787   0.0410   0.0127   0.9445
  17.250   1.1093   0.06627   0.06096   0.0386   0.0125   0.9609
  17.500   1.1116   0.06898   0.06379   0.0380   0.0125   1.0000
  17.750   1.1140   0.07187   0.06676   0.0373   0.0123   1.0000
  18.000   1.1155   0.07492   0.06989   0.0365   0.0122   1.0000
  18.250   1.1164   0.07813   0.07318   0.0355   0.0121   1.0000
  18.500   1.1155   0.08163   0.07679   0.0344   0.0121   1.0000
  18.750   1.1137   0.08533   0.08059   0.0332   0.0120   1.0000
  19.000   1.1107   0.08931   0.08467   0.0317   0.0119   1.0000
  19.250   1.1079   0.09335   0.08882   0.0299   0.0119   1.0000
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