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NACA 66-021 AIRFOIL (n66021-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-021 AIRFOIL (n66021-il)
Reynolds number: 200,000
Max Cl/Cd: 26.46 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-n66021-il-200000-n5.txt
Download as CSV file: xf-n66021-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-021 AIRFOIL                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.8616   0.09577   0.09009  -0.0745   0.9480   0.0218
 -19.000  -0.8703   0.09031   0.08435  -0.0778   0.9378   0.0219
 -18.750  -0.8760   0.08573   0.07953  -0.0801   0.9283   0.0219
 -18.500  -0.8751   0.08238   0.07604  -0.0815   0.9193   0.0221
 -18.250  -0.8741   0.07928   0.07280  -0.0826   0.9112   0.0222
 -18.000  -0.8717   0.07649   0.06988  -0.0834   0.9039   0.0223
 -17.750  -0.8695   0.07373   0.06698  -0.0840   0.8975   0.0225
 -17.500  -0.8661   0.07117   0.06428  -0.0845   0.8914   0.0226
 -17.250  -0.8617   0.06878   0.06175  -0.0848   0.8861   0.0228
 -17.000  -0.8566   0.06649   0.05934  -0.0851   0.8812   0.0231
 -16.750  -0.8505   0.06435   0.05707  -0.0852   0.8763   0.0233
 -16.500  -0.8443   0.06229   0.05487  -0.0853   0.8718   0.0237
 -16.250  -0.8375   0.06036   0.05280  -0.0853   0.8678   0.0242
 -16.000  -0.8273   0.05866   0.05098  -0.0852   0.8639   0.0244
 -15.750  -0.8173   0.05702   0.04921  -0.0851   0.8599   0.0247
 -15.500  -0.8076   0.05542   0.04744  -0.0849   0.8560   0.0253
 -15.250  -0.7972   0.05394   0.04582  -0.0845   0.8526   0.0258
 -15.000  -0.7856   0.05264   0.04449  -0.0842   0.8495   0.0262
 -14.750  -0.7739   0.05128   0.04310  -0.0840   0.8463   0.0267
 -14.500  -0.7613   0.05001   0.04176  -0.0837   0.8430   0.0269
 -14.250  -0.7495   0.04872   0.04042  -0.0834   0.8398   0.0274
 -14.000  -0.7381   0.04743   0.03906  -0.0829   0.8368   0.0282
 -13.750  -0.7264   0.04622   0.03775  -0.0824   0.8340   0.0287
 -13.500  -0.7148   0.04504   0.03646  -0.0818   0.8315   0.0293
 -13.250  -0.7024   0.04387   0.03521  -0.0813   0.8287   0.0299
 -13.000  -0.6927   0.04254   0.03387  -0.0807   0.8257   0.0306
 -12.750  -0.6823   0.04130   0.03260  -0.0801   0.8228   0.0313
 -12.500  -0.6715   0.04014   0.03138  -0.0793   0.8201   0.0323
 -12.250  -0.6602   0.03903   0.03020  -0.0786   0.8176   0.0332
 -12.000  -0.6481   0.03801   0.02908  -0.0778   0.8155   0.0346
 -11.750  -0.6387   0.03683   0.02788  -0.0768   0.8135   0.0360
 -11.500  -0.6270   0.03583   0.02682  -0.0760   0.8116   0.0374
 -11.250  -0.6145   0.03486   0.02580  -0.0752   0.8094   0.0393
 -11.000  -0.6031   0.03386   0.02478  -0.0743   0.8071   0.0411
 -10.750  -0.5908   0.03293   0.02383  -0.0734   0.8050   0.0436
 -10.500  -0.5777   0.03208   0.02294  -0.0725   0.8029   0.0466
 -10.250  -0.5651   0.03121   0.02206  -0.0715   0.8009   0.0503
 -10.000  -0.5530   0.03035   0.02120  -0.0704   0.7991   0.0559
  -9.750  -0.5405   0.02952   0.02039  -0.0693   0.7974   0.0637
  -9.250  -0.5211   0.02764   0.01869  -0.0664   0.7943   0.1014
  -9.000  -0.5148   0.02658   0.01783  -0.0645   0.7928   0.1374
  -8.750  -0.5111   0.02542   0.01695  -0.0624   0.7910   0.1832
  -8.500  -0.5093   0.02426   0.01606  -0.0599   0.7891   0.2295
  -8.250  -0.5080   0.02315   0.01519  -0.0572   0.7871   0.2746
  -8.000  -0.5087   0.02205   0.01432  -0.0541   0.7850   0.3181
  -7.750  -0.5104   0.02099   0.01349  -0.0506   0.7829   0.3634
  -7.500  -0.5130   0.01998   0.01274  -0.0468   0.7809   0.4126
  -7.250  -0.5091   0.01930   0.01233  -0.0436   0.7793   0.4609
  -7.000  -0.4629   0.02072   0.01423  -0.0450   0.7786   0.5349
  -6.750  -0.3869   0.02440   0.01812  -0.0493   0.7782   0.5859
  -6.250  -0.3672   0.02392   0.01753  -0.0447   0.7758   0.6213
  -6.000  -0.3387   0.02447   0.01800  -0.0446   0.7749   0.6272
  -5.500  -0.3244   0.02368   0.01714  -0.0396   0.7718   0.6496
  -5.000  -0.3089   0.02308   0.01648  -0.0344   0.7684   0.6680
  -4.750  -0.2732   0.02371   0.01705  -0.0356   0.7675   0.6691
  -4.500  -0.2375   0.02430   0.01759  -0.0369   0.7665   0.6702
  -4.000  -0.2218   0.02367   0.01689  -0.0315   0.7634   0.6855
  -3.750  -0.1863   0.02413   0.01730  -0.0328   0.7624   0.6863
  -3.500  -0.1530   0.02446   0.01760  -0.0338   0.7614   0.6872
  -3.000  -0.1560   0.02338   0.01645  -0.0254   0.7586   0.7027
  -2.750  -0.1215   0.02366   0.01670  -0.0267   0.7580   0.7033
  -2.500  -0.0883   0.02392   0.01692  -0.0278   0.7574   0.7040
  -2.000  -0.1202   0.02318   0.01618  -0.0142   0.7532   0.7199
  -1.750  -0.0927   0.02357   0.01659  -0.0145   0.7512   0.7207
  -1.500  -0.0665   0.02392   0.01696  -0.0146   0.7495   0.7216
  -1.250  -0.0424   0.02424   0.01729  -0.0144   0.7479   0.7227
  -1.000  -0.0202   0.02452   0.01758  -0.0138   0.7464   0.7240
  -0.750  -0.0008   0.02466   0.01773  -0.0127   0.7447   0.7257
  -0.250  -0.0277   0.02327   0.01623   0.0003   0.7401   0.7384
   0.000   0.0000   0.02327   0.01623   0.0000   0.7392   0.7392
   0.250   0.0279   0.02327   0.01623  -0.0003   0.7384   0.7401
   0.750   0.0008   0.02466   0.01772   0.0127   0.7257   0.7447
   1.000   0.0202   0.02452   0.01758   0.0138   0.7240   0.7464
   1.250   0.0425   0.02424   0.01729   0.0144   0.7227   0.7479
   1.500   0.0667   0.02392   0.01695   0.0146   0.7216   0.7495
   1.750   0.0927   0.02357   0.01659   0.0145   0.7207   0.7512
   2.000   0.1202   0.02318   0.01618   0.0142   0.7199   0.7532
   2.500   0.0537   0.02478   0.01779   0.0330   0.6979   0.7580
   2.750   0.1061   0.02402   0.01706   0.0290   0.7008   0.7583
   3.000   0.1504   0.02350   0.01657   0.0262   0.7019   0.7587
   4.000   0.1716   0.02516   0.01836   0.0386   0.6736   0.7646
   4.250   0.2034   0.02478   0.01803   0.0379   0.6716   0.7656
   4.500   0.2376   0.02429   0.01758   0.0368   0.6702   0.7665
   4.750   0.2734   0.02370   0.01704   0.0356   0.6691   0.7675
   5.000   0.3089   0.02309   0.01648   0.0344   0.6679   0.7685
   5.500   0.3345   0.02329   0.01675   0.0383   0.6522   0.7716
   6.000   0.3569   0.02369   0.01723   0.0424   0.6334   0.7746
   6.500   0.3747   0.02432   0.01799   0.0472   0.6063   0.7770
   6.750   0.3864   0.02441   0.01813   0.0493   0.5849   0.7783
   7.000   0.4626   0.02075   0.01426   0.0450   0.5355   0.7786
   7.250   0.5102   0.01928   0.01234   0.0434   0.4648   0.7793
   7.500   0.5134   0.01997   0.01273   0.0468   0.4131   0.7809
   7.750   0.5115   0.02095   0.01346   0.0505   0.3647   0.7829
   8.000   0.5088   0.02205   0.01432   0.0541   0.3177   0.7850
   8.250   0.5075   0.02318   0.01520   0.0573   0.2730   0.7871
   8.500   0.5087   0.02429   0.01607   0.0600   0.2270   0.7891
   8.750   0.5114   0.02542   0.01695   0.0623   0.1826   0.7910
   9.000   0.5151   0.02657   0.01781   0.0645   0.1367   0.7928
   9.250   0.5206   0.02768   0.01870   0.0664   0.0989   0.7943
   9.500   0.5294   0.02865   0.01955   0.0680   0.0771   0.7958
   9.750   0.5411   0.02950   0.02037   0.0692   0.0639   0.7974
  10.000   0.5534   0.03034   0.02118   0.0704   0.0556   0.7991
  10.250   0.5659   0.03118   0.02203   0.0714   0.0504   0.8009
  10.500   0.5783   0.03206   0.02291   0.0724   0.0463   0.8029
  10.750   0.5913   0.03292   0.02381   0.0733   0.0433   0.8050
  11.000   0.6037   0.03384   0.02475   0.0742   0.0408   0.8072
  11.250   0.6152   0.03484   0.02578   0.0751   0.0393   0.8094
  11.500   0.6278   0.03580   0.02679   0.0759   0.0375   0.8116
  11.750   0.6395   0.03680   0.02784   0.0767   0.0359   0.8135
  12.000   0.6492   0.03795   0.02902   0.0777   0.0345   0.8155
  12.250   0.6611   0.03899   0.03016   0.0785   0.0330   0.8177
  12.500   0.6722   0.04011   0.03135   0.0793   0.0322   0.8201
  12.750   0.6834   0.04124   0.03254   0.0799   0.0315   0.8228
  13.000   0.6941   0.04246   0.03379   0.0806   0.0307   0.8258
  13.250   0.7035   0.04383   0.03515   0.0812   0.0299   0.8287
  13.500   0.7157   0.04500   0.03642   0.0817   0.0292   0.8315
  13.750   0.7276   0.04616   0.03768   0.0823   0.0288   0.8340
  14.000   0.7392   0.04738   0.03900   0.0829   0.0281   0.8369
  14.250   0.7511   0.04862   0.04032   0.0833   0.0276   0.8399
  14.500   0.7627   0.04993   0.04169   0.0836   0.0269   0.8431
  14.750   0.7748   0.05124   0.04304   0.0839   0.0265   0.8465
  15.000   0.7868   0.05257   0.04441   0.0841   0.0261   0.8497
  15.250   0.7991   0.05383   0.04568   0.0844   0.0257   0.8527
  15.500   0.8093   0.05533   0.04735   0.0848   0.0253   0.8562
  15.750   0.8195   0.05687   0.04903   0.0850   0.0249   0.8601
  16.000   0.8295   0.05853   0.05083   0.0851   0.0245   0.8642
  16.250   0.8376   0.06035   0.05279   0.0851   0.0240   0.8682
  16.500   0.8449   0.06229   0.05487   0.0852   0.0235   0.8722
  16.750   0.8516   0.06429   0.05700   0.0851   0.0232   0.8768
  17.000   0.8586   0.06638   0.05922   0.0849   0.0231   0.8817
  17.250   0.8639   0.06866   0.06164   0.0847   0.0229   0.8866
  17.500   0.8680   0.07105   0.06417   0.0843   0.0226   0.8920
  17.750   0.8713   0.07364   0.06689   0.0838   0.0225   0.8982
  18.000   0.8741   0.07633   0.06971   0.0832   0.0223   0.9047
  18.250   0.8760   0.07921   0.07273   0.0824   0.0222   0.9123
  18.500   0.8765   0.08240   0.07609   0.0813   0.0221   0.9204
  18.750   0.8782   0.08568   0.07948   0.0798   0.0219   0.9297
  19.000   0.8713   0.09051   0.08458   0.0773   0.0218   0.9395
  19.250   0.8623   0.09613   0.09049   0.0739   0.0217   0.9498
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