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RAF 27 AIRFOIL (raf27-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: RAF 27 AIRFOIL (raf27-il)
Reynolds number: 1,000,000
Max Cl/Cd: 71.45 at α=7.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-raf27-il-1000000-n5.txt
Download as CSV file: xf-raf27-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: RAF 27 AIRFOIL                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -17.250  -0.8749   0.14575   0.14389   0.0166   1.0000   0.0037
 -17.000  -0.9352   0.12715   0.12515   0.0076   1.0000   0.0036
 -16.750  -1.0152   0.10604   0.10383  -0.0030   1.0000   0.0034
 -16.500  -1.0682   0.09158   0.08921  -0.0104   1.0000   0.0033
 -16.250  -1.1259   0.07639   0.07379  -0.0188   1.0000   0.0032
 -16.000  -1.1570   0.06645   0.06369  -0.0248   1.0000   0.0032
 -15.750  -1.1805   0.05827   0.05533  -0.0300   1.0000   0.0031
 -15.500  -1.1983   0.05157   0.04848  -0.0343   1.0000   0.0031
 -15.250  -1.2122   0.04603   0.04277  -0.0375   1.0000   0.0032
 -15.000  -1.2212   0.04174   0.03834  -0.0394   1.0000   0.0032
 -14.750  -1.2309   0.03785   0.03430  -0.0406   1.0000   0.0032
 -14.500  -1.2336   0.03512   0.03143  -0.0407   1.0000   0.0032
 -14.250  -1.2344   0.03286   0.02907  -0.0402   1.0000   0.0033
 -14.000  -1.2348   0.03088   0.02696  -0.0390   1.0000   0.0033
 -13.750  -1.2317   0.02936   0.02534  -0.0375   1.0000   0.0034
 -13.500  -1.2309   0.02781   0.02367  -0.0353   1.0000   0.0035
 -13.250  -1.2256   0.02669   0.02244  -0.0330   1.0000   0.0035
 -13.000  -1.2218   0.02557   0.02121  -0.0302   1.0000   0.0036
 -12.750  -1.2157   0.02469   0.02025  -0.0273   1.0000   0.0037
 -12.500  -1.2094   0.02373   0.01918  -0.0244   1.0000   0.0037
 -12.250  -1.1986   0.02281   0.01816  -0.0222   1.0000   0.0038
 -12.000  -1.1860   0.02197   0.01723  -0.0201   1.0000   0.0039
 -11.750  -1.1720   0.02119   0.01635  -0.0182   1.0000   0.0040
 -11.500  -1.1576   0.02039   0.01546  -0.0164   1.0000   0.0041
 -11.250  -1.1416   0.01969   0.01467  -0.0146   1.0000   0.0042
 -11.000  -1.1246   0.01907   0.01394  -0.0131   1.0000   0.0043
 -10.750  -1.1078   0.01839   0.01318  -0.0114   1.0000   0.0044
 -10.500  -1.0921   0.01759   0.01229  -0.0095   1.0000   0.0046
 -10.250  -1.0754   0.01686   0.01149  -0.0078   1.0000   0.0048
 -10.000  -1.0569   0.01630   0.01088  -0.0063   1.0000   0.0051
  -9.750  -1.0380   0.01578   0.01031  -0.0049   1.0000   0.0053
  -9.500  -1.0185   0.01531   0.00979  -0.0035   1.0000   0.0056
  -9.250  -0.9987   0.01487   0.00930  -0.0021   1.0000   0.0059
  -9.000  -0.9789   0.01443   0.00880  -0.0007   1.0000   0.0062
  -8.750  -0.9587   0.01402   0.00832   0.0006   1.0000   0.0065
  -8.500  -0.9394   0.01352   0.00776   0.0021   1.0000   0.0069
  -8.250  -0.9197   0.01306   0.00727   0.0036   1.0000   0.0074
  -8.000  -0.8995   0.01266   0.00685   0.0050   1.0000   0.0080
  -7.750  -0.8789   0.01231   0.00646   0.0063   1.0000   0.0085
  -7.500  -0.8555   0.01197   0.00609   0.0071   0.9997   0.0091
  -7.250  -0.8252   0.01159   0.00567   0.0063   0.9985   0.0102
  -7.000  -0.7951   0.01121   0.00528   0.0055   0.9969   0.0121
  -6.750  -0.7643   0.01090   0.00496   0.0047   0.9953   0.0135
  -6.500  -0.7344   0.01056   0.00465   0.0040   0.9934   0.0171
  -6.250  -0.7047   0.01029   0.00437   0.0035   0.9911   0.0199
  -6.000  -0.6737   0.01000   0.00409   0.0026   0.9886   0.0235
  -5.750  -0.6407   0.00974   0.00383   0.0013   0.9862   0.0272
  -5.500  -0.6098   0.00953   0.00360   0.0005   0.9815   0.0290
  -5.250  -0.5775   0.00928   0.00334  -0.0005   0.9768   0.0317
  -5.000  -0.5476   0.00903   0.00310  -0.0010   0.9712   0.0350
  -4.750  -0.5160   0.00880   0.00286  -0.0019   0.9660   0.0387
  -4.250  -0.4500   0.00819   0.00241  -0.0045   0.9537   0.0711
  -4.000  -0.4151   0.00794   0.00221  -0.0061   0.9455   0.0851
  -3.750  -0.3798   0.00770   0.00200  -0.0079   0.9337   0.1022
  -3.500  -0.3483   0.00740   0.00179  -0.0088   0.9173   0.1331
  -3.250  -0.3213   0.00705   0.00159  -0.0088   0.8979   0.1855
  -3.000  -0.2952   0.00686   0.00146  -0.0084   0.8777   0.2179
  -2.750  -0.2700   0.00671   0.00134  -0.0079   0.8572   0.2464
  -2.500  -0.2452   0.00661   0.00123  -0.0072   0.8344   0.2705
  -2.250  -0.2208   0.00652   0.00114  -0.0064   0.8075   0.2950
  -2.000  -0.1970   0.00643   0.00105  -0.0055   0.7798   0.3264
  -1.750  -0.1737   0.00625   0.00096  -0.0046   0.7561   0.3767
  -1.500  -0.1498   0.00609   0.00090  -0.0038   0.7350   0.4239
  -1.250  -0.1262   0.00593   0.00085  -0.0029   0.7139   0.4766
  -1.000  -0.1011   0.00586   0.00081  -0.0023   0.6934   0.5051
  -0.750  -0.0756   0.00581   0.00078  -0.0018   0.6756   0.5291
  -0.500  -0.0506   0.00573   0.00075  -0.0012   0.6577   0.5618
  -0.250  -0.0254   0.00568   0.00074  -0.0006   0.6376   0.5898
   0.000   0.0000   0.00566   0.00073   0.0000   0.6153   0.6158
   0.250   0.0253   0.00568   0.00074   0.0006   0.5897   0.6375
   0.500   0.0504   0.00574   0.00075   0.0012   0.5580   0.6574
   0.750   0.0755   0.00582   0.00078   0.0018   0.5277   0.6753
   1.000   0.1010   0.00586   0.00081   0.0023   0.5047   0.6938
   1.250   0.1262   0.00592   0.00085   0.0029   0.4786   0.7140
   1.500   0.1500   0.00606   0.00090   0.0038   0.4293   0.7352
   1.750   0.1737   0.00624   0.00096   0.0046   0.3779   0.7563
   2.000   0.1969   0.00642   0.00105   0.0056   0.3266   0.7800
   2.250   0.2208   0.00652   0.00114   0.0064   0.2952   0.8076
   2.500   0.2453   0.00660   0.00123   0.0072   0.2714   0.8345
   2.750   0.2701   0.00671   0.00134   0.0079   0.2472   0.8570
   3.000   0.2954   0.00685   0.00145   0.0084   0.2198   0.8778
   3.250   0.3211   0.00707   0.00160   0.0088   0.1824   0.8981
   3.500   0.3484   0.00739   0.00179   0.0088   0.1339   0.9177
   3.750   0.3798   0.00769   0.00200   0.0079   0.1028   0.9336
   4.000   0.4150   0.00794   0.00221   0.0062   0.0848   0.9452
   4.250   0.4500   0.00819   0.00241   0.0045   0.0709   0.9537
   4.750   0.5161   0.00880   0.00286   0.0019   0.0387   0.9661
   5.000   0.5477   0.00903   0.00310   0.0010   0.0348   0.9713
   5.250   0.5776   0.00929   0.00334   0.0005   0.0311   0.9768
   5.500   0.6099   0.00952   0.00359  -0.0006   0.0289   0.9815
   5.750   0.6408   0.00974   0.00383  -0.0013   0.0270   0.9862
   6.000   0.6739   0.01000   0.00410  -0.0027   0.0234   0.9887
   6.250   0.7049   0.01029   0.00438  -0.0035   0.0201   0.9912
   6.500   0.7345   0.01056   0.00465  -0.0041   0.0172   0.9935
   6.750   0.7645   0.01090   0.00496  -0.0047   0.0136   0.9953
   7.000   0.7953   0.01121   0.00528  -0.0056   0.0118   0.9970
   7.250   0.8255   0.01159   0.00567  -0.0064   0.0102   0.9986
   7.500   0.8560   0.01198   0.00609  -0.0072   0.0091   0.9998
   7.750   0.8786   0.01230   0.00645  -0.0063   0.0086   1.0000
   8.000   0.8992   0.01266   0.00685  -0.0049   0.0080   1.0000
   8.250   0.9195   0.01305   0.00726  -0.0036   0.0075   1.0000
   8.500   0.9392   0.01351   0.00775  -0.0021   0.0069   1.0000
   8.750   0.9584   0.01403   0.00833  -0.0006   0.0064   1.0000
   9.000   0.9787   0.01443   0.00880   0.0008   0.0062   1.0000
   9.250   0.9986   0.01486   0.00929   0.0021   0.0060   1.0000
   9.500   1.0186   0.01530   0.00977   0.0035   0.0056   1.0000
   9.750   1.0379   0.01579   0.01032   0.0049   0.0054   1.0000
  10.000   1.0569   0.01630   0.01088   0.0063   0.0051   1.0000
  10.250   1.0754   0.01687   0.01150   0.0078   0.0049   1.0000
  10.500   1.0926   0.01754   0.01224   0.0095   0.0047   1.0000
  10.750   1.1079   0.01839   0.01318   0.0114   0.0044   1.0000
  11.000   1.1251   0.01903   0.01391   0.0130   0.0044   1.0000
  11.250   1.1421   0.01967   0.01464   0.0145   0.0042   1.0000
  11.500   1.1578   0.02040   0.01547   0.0163   0.0041   1.0000
  11.750   1.1716   0.02125   0.01642   0.0183   0.0041   1.0000
  12.000   1.1861   0.02200   0.01726   0.0201   0.0039   1.0000
  12.250   1.1984   0.02287   0.01823   0.0221   0.0038   1.0000
  12.500   1.2089   0.02383   0.01929   0.0244   0.0038   1.0000
  12.750   1.2174   0.02466   0.02021   0.0270   0.0036   1.0000
  13.000   1.2205   0.02572   0.02138   0.0303   0.0036   1.0000
  13.250   1.2270   0.02668   0.02243   0.0328   0.0035   1.0000
  13.500   1.2314   0.02787   0.02373   0.0351   0.0035   1.0000
  13.750   1.2351   0.02921   0.02518   0.0371   0.0034   1.0000
  14.000   1.2365   0.03087   0.02696   0.0387   0.0033   1.0000
  14.250   1.2370   0.03278   0.02897   0.0399   0.0033   1.0000
  14.500   1.2344   0.03522   0.03155   0.0404   0.0032   1.0000
  14.750   1.2311   0.03803   0.03449   0.0402   0.0032   1.0000
  15.000   1.2233   0.04173   0.03833   0.0391   0.0032   1.0000
  15.250   1.2200   0.04524   0.04195   0.0376   0.0031   1.0000
  15.500   1.1995   0.05175   0.04867   0.0338   0.0031   1.0000
  15.750   1.1857   0.05779   0.05484   0.0300   0.0031   1.0000
  16.000   1.1637   0.06571   0.06292   0.0249   0.0031   1.0000
  16.250   1.1202   0.07802   0.07546   0.0174   0.0032   1.0000
  16.500   1.0530   0.09511   0.09281   0.0080   0.0034   1.0000
  16.750   1.0053   0.10869   0.10651   0.0011   0.0034   1.0000
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