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NASA/LANGLEY RC-12(B)3 AIRFOIL (rc12b3-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NASA/LANGLEY RC-12(B)3 AIRFOIL (rc12b3-il)
Reynolds number: 500,000
Max Cl/Cd: 83.51 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-rc12b3-il-500000.txt
Download as CSV file: xf-rc12b3-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NASA/LANGLEY RC-12(B)3 AIRFOIL                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -10.500  -0.6272   0.06360   0.06129  -0.0515   1.0000   0.0245
 -10.250  -0.6551   0.05731   0.05489  -0.0522   1.0000   0.0241
 -10.000  -0.7099   0.04891   0.04622  -0.0477   1.0000   0.0235
  -9.750  -0.7725   0.03349   0.02955  -0.0429   0.9856   0.0232
  -9.500  -0.7633   0.02966   0.02520  -0.0416   0.9787   0.0237
  -9.250  -0.7487   0.02699   0.02210  -0.0403   0.9719   0.0241
  -9.000  -0.7322   0.02524   0.02002  -0.0387   0.9646   0.0244
  -8.750  -0.7153   0.02383   0.01832  -0.0369   0.9576   0.0247
  -8.500  -0.7007   0.02152   0.01574  -0.0350   0.9506   0.0253
  -8.250  -0.6813   0.02059   0.01473  -0.0335   0.9442   0.0259
  -8.000  -0.6606   0.01991   0.01395  -0.0322   0.9385   0.0265
  -7.750  -0.6390   0.01926   0.01321  -0.0311   0.9323   0.0273
  -7.500  -0.6176   0.01868   0.01252  -0.0298   0.9270   0.0282
  -7.250  -0.5944   0.01805   0.01174  -0.0288   0.9216   0.0291
  -7.000  -0.5710   0.01748   0.01104  -0.0279   0.9161   0.0297
  -6.750  -0.5495   0.01625   0.00969  -0.0267   0.9115   0.0308
  -6.500  -0.5255   0.01568   0.00910  -0.0260   0.9063   0.0319
  -6.250  -0.5012   0.01524   0.00862  -0.0253   0.9010   0.0332
  -6.000  -0.4772   0.01482   0.00812  -0.0244   0.8965   0.0346
  -5.750  -0.4516   0.01455   0.00777  -0.0239   0.8916   0.0360
  -5.500  -0.4285   0.01376   0.00699  -0.0230   0.8862   0.0384
  -5.250  -0.4037   0.01345   0.00665  -0.0223   0.8817   0.0406
  -5.000  -0.3782   0.01317   0.00631  -0.0218   0.8770   0.0429
  -4.750  -0.3542   0.01261   0.00575  -0.0210   0.8716   0.0463
  -4.500  -0.3286   0.01237   0.00549  -0.0205   0.8668   0.0499
  -4.250  -0.3039   0.01203   0.00512  -0.0198   0.8625   0.0542
  -4.000  -0.2779   0.01177   0.00488  -0.0194   0.8568   0.0591
  -3.750  -0.2525   0.01149   0.00456  -0.0188   0.8518   0.0644
  -3.500  -0.2270   0.01126   0.00434  -0.0183   0.8473   0.0711
  -3.250  -0.2012   0.01099   0.00409  -0.0179   0.8414   0.0785
  -3.000  -0.1750   0.01081   0.00390  -0.0175   0.8360   0.0864
  -2.750  -0.1496   0.01056   0.00367  -0.0169   0.8313   0.0970
  -2.500  -0.1236   0.01034   0.00350  -0.0165   0.8251   0.1090
  -2.250  -0.0977   0.01012   0.00331  -0.0161   0.8195   0.1243
  -2.000  -0.0720   0.00991   0.00315  -0.0156   0.8142   0.1455
  -1.750  -0.0467   0.00963   0.00301  -0.0151   0.8076   0.1796
  -1.500  -0.0233   0.00921   0.00283  -0.0143   0.8018   0.2508
  -1.250  -0.0080   0.00824   0.00265  -0.0120   0.7951   0.4623
  -1.000   0.0506   0.00733   0.00337  -0.0179   0.7904   0.9060
  -0.750   0.0705   0.00769   0.00365  -0.0155   0.7845   0.9311
  -0.500   0.1106   0.00820   0.00412  -0.0175   0.7776   0.9451
  -0.250   0.1580   0.00868   0.00452  -0.0211   0.7714   0.9551
   0.000   0.2079   0.00901   0.00479  -0.0255   0.7645   0.9622
   0.250   0.2422   0.00927   0.00498  -0.0266   0.7564   0.9711
   0.500   0.2977   0.00931   0.00497  -0.0325   0.7482   0.9754
   0.750   0.3403   0.00946   0.00506  -0.0355   0.7396   0.9837
   1.000   0.4049   0.00930   0.00488  -0.0434   0.7303   0.9920
   1.250   0.4526   0.00913   0.00464  -0.0478   0.7209   0.9968
   1.500   0.4871   0.00901   0.00449  -0.0494   0.7099   0.9986
   1.750   0.5203   0.00892   0.00437  -0.0507   0.6980   1.0000
   2.000   0.5463   0.00888   0.00429  -0.0505   0.6847   1.0000
   2.250   0.5724   0.00887   0.00422  -0.0502   0.6706   1.0000
   2.500   0.5985   0.00886   0.00417  -0.0500   0.6567   1.0000
   2.750   0.6245   0.00887   0.00414  -0.0498   0.6420   1.0000
   3.000   0.6506   0.00890   0.00412  -0.0496   0.6254   1.0000
   3.250   0.6765   0.00895   0.00411  -0.0494   0.6062   1.0000
   3.500   0.7022   0.00904   0.00412  -0.0492   0.5830   1.0000
   3.750   0.7278   0.00915   0.00415  -0.0489   0.5582   1.0000
   4.000   0.7532   0.00930   0.00420  -0.0486   0.5327   1.0000
   4.250   0.7783   0.00948   0.00428  -0.0483   0.5054   1.0000
   4.500   0.8032   0.00968   0.00438  -0.0480   0.4773   1.0000
   4.750   0.8277   0.00993   0.00451  -0.0476   0.4475   1.0000
   5.000   0.8518   0.01020   0.00467  -0.0472   0.4178   1.0000
   5.250   0.8756   0.01050   0.00485  -0.0467   0.3885   1.0000
   5.500   0.8989   0.01082   0.00505  -0.0461   0.3592   1.0000
   5.750   0.9217   0.01116   0.00527  -0.0455   0.3309   1.0000
   6.000   0.9444   0.01150   0.00550  -0.0448   0.3035   1.0000
   6.250   0.9666   0.01186   0.00576  -0.0441   0.2770   1.0000
   6.500   0.9882   0.01225   0.00604  -0.0432   0.2517   1.0000
   6.750   1.0093   0.01266   0.00634  -0.0423   0.2265   1.0000
   7.000   1.0300   0.01307   0.00666  -0.0413   0.2027   1.0000
   7.500   1.0692   0.01399   0.00739  -0.0389   0.1587   1.0000
   7.750   1.0877   0.01449   0.00780  -0.0375   0.1392   1.0000
   8.000   1.1054   0.01501   0.00823  -0.0360   0.1215   1.0000
   8.250   1.1228   0.01551   0.00867  -0.0343   0.1060   1.0000
   8.500   1.1391   0.01605   0.00915  -0.0325   0.0925   1.0000
   8.750   1.1543   0.01661   0.00967  -0.0306   0.0809   1.0000
   9.000   1.1679   0.01724   0.01024  -0.0283   0.0710   1.0000
   9.250   1.1823   0.01774   0.01075  -0.0261   0.0639   1.0000
   9.500   1.1942   0.01833   0.01134  -0.0235   0.0578   1.0000
   9.750   1.2047   0.01894   0.01194  -0.0207   0.0528   1.0000
  10.000   1.2129   0.01957   0.01261  -0.0175   0.0489   1.0000
  10.250   1.2198   0.02009   0.01316  -0.0139   0.0458   1.0000
  10.500   1.2168   0.02070   0.01378  -0.0087   0.0434   1.0000
  10.750   1.2139   0.02144   0.01456  -0.0036   0.0413   1.0000
  11.000   1.2187   0.02200   0.01520  -0.0001   0.0394   1.0000
  11.250   1.2225   0.02268   0.01592   0.0035   0.0375   1.0000
  11.500   1.2231   0.02360   0.01685   0.0072   0.0357   1.0000
  11.750   1.2218   0.02470   0.01802   0.0111   0.0341   1.0000
  12.000   1.2281   0.02547   0.01886   0.0139   0.0328   1.0000
  12.250   1.2331   0.02636   0.01982   0.0166   0.0314   1.0000
  12.500   1.2369   0.02739   0.02088   0.0193   0.0301   1.0000
  12.750   1.2346   0.02890   0.02242   0.0224   0.0288   1.0000
  13.000   1.2365   0.03023   0.02384   0.0249   0.0278   1.0000
  13.250   1.2426   0.03136   0.02505   0.0268   0.0267   1.0000
  13.500   1.2470   0.03268   0.02644   0.0287   0.0257   1.0000
  13.750   1.2506   0.03414   0.02797   0.0305   0.0247   1.0000
  14.000   1.2499   0.03603   0.02990   0.0323   0.0239   1.0000
  14.250   1.2428   0.03858   0.03251   0.0342   0.0231   1.0000
  14.500   1.2483   0.04017   0.03422   0.0352   0.0224   1.0000
  14.750   1.2517   0.04203   0.03618   0.0362   0.0216   1.0000
  15.000   1.2540   0.04408   0.03831   0.0369   0.0209   1.0000
  15.250   1.2557   0.04631   0.04061   0.0374   0.0202   1.0000
  15.500   1.2548   0.04892   0.04329   0.0378   0.0196   1.0000
  15.750   1.2476   0.05227   0.04670   0.0381   0.0190   1.0000
  16.000   1.2442   0.05538   0.04993   0.0382   0.0185   1.0000
  16.250   1.2443   0.05828   0.05295   0.0379   0.0181   1.0000
  16.500   1.2426   0.06145   0.05624   0.0375   0.0176   1.0000
  16.750   1.2399   0.06486   0.05976   0.0369   0.0172   1.0000
  17.000   1.2364   0.06846   0.06346   0.0360   0.0168   1.0000
  17.250   1.2323   0.07225   0.06734   0.0350   0.0165   1.0000
  17.500   1.2273   0.07623   0.07141   0.0338   0.0161   1.0000
  17.750   1.2210   0.08045   0.07572   0.0325   0.0159   1.0000
  18.000   1.2132   0.08492   0.08026   0.0310   0.0156   1.0000
  18.250   1.2028   0.08966   0.08507   0.0297   0.0152   1.0000
  18.500   1.1934   0.09450   0.09004   0.0280   0.0150   1.0000
  18.750   1.1855   0.09943   0.09511   0.0260   0.0149   1.0000
  19.000   1.1767   0.10458   0.10040   0.0238   0.0147   1.0000
  19.250   1.1672   0.10991   0.10586   0.0214   0.0145   1.0000
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