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FX 69-PR-281 (fx69pr281-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: FX 69-PR-281 (fx69pr281-il)
Reynolds number: 1,000,000
Max Cl/Cd: 61.66 at α=5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx69pr281-il-1000000-n5.txt
Download as CSV file: xf-fx69pr281-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: FX 69-PR-281                                    
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -18.000  -0.5439   0.09874   0.09524  -0.0974   0.9792   0.0714
 -17.750  -0.5424   0.09568   0.09218  -0.0990   0.9740   0.0723
 -17.500  -0.5462   0.09208   0.08856  -0.1007   0.9667   0.0733
 -17.250  -0.5392   0.08897   0.08542  -0.1032   0.9603   0.0742
 -17.000  -0.5291   0.08565   0.08207  -0.1066   0.9527   0.0753
 -16.750  -0.5176   0.08126   0.07763  -0.1121   0.9465   0.0765
 -16.500  -0.5031   0.07661   0.07292  -0.1188   0.9351   0.0782
 -16.250  -0.4866   0.07186   0.06807  -0.1261   0.9169   0.0799
 -16.000  -0.4704   0.06850   0.06453  -0.1311   0.8935   0.0813
 -15.750  -0.4731   0.06452   0.06040  -0.1345   0.8675   0.0826
 -15.250  -0.4838   0.05709   0.05271  -0.1398   0.8295   0.0860
 -15.000  -0.4886   0.05360   0.04909  -0.1421   0.8155   0.0875
 -14.750  -0.5030   0.04920   0.04459  -0.1451   0.8003   0.0893
 -14.500  -0.5094   0.04569   0.04098  -0.1475   0.7857   0.0911
 -14.250  -0.5155   0.04221   0.03737  -0.1500   0.7693   0.0928
 -14.000  -0.5222   0.03873   0.03377  -0.1526   0.7536   0.0944
 -13.750  -0.5308   0.03501   0.02993  -0.1557   0.7390   0.0962
 -13.500  -0.5314   0.03187   0.02669  -0.1587   0.7277   0.0983
 -13.250  -0.5222   0.02933   0.02405  -0.1619   0.7163   0.1003
 -13.000  -0.5176   0.02663   0.02126  -0.1648   0.7054   0.1021
 -12.750  -0.5132   0.02436   0.01892  -0.1665   0.6962   0.1044
 -12.500  -0.5056   0.02259   0.01707  -0.1675   0.6850   0.1063
 -12.250  -0.4984   0.02098   0.01538  -0.1681   0.6745   0.1079
 -12.000  -0.4939   0.01931   0.01366  -0.1684   0.6649   0.1098
 -11.750  -0.4891   0.01800   0.01227  -0.1679   0.6538   0.1118
 -11.500  -0.4838   0.01692   0.01112  -0.1669   0.6459   0.1132
 -11.250  -0.4867   0.01596   0.01011  -0.1644   0.6372   0.1145
 -11.000  -0.4850   0.01536   0.00943  -0.1616   0.6254   0.1160
 -10.750  -0.4712   0.01493   0.00897  -0.1600   0.6165   0.1180
 -10.500  -0.4537   0.01461   0.00860  -0.1586   0.6074   0.1198
 -10.000  -0.4149   0.01410   0.00799  -0.1562   0.5891   0.1233
  -9.750  -0.3951   0.01384   0.00769  -0.1549   0.5778   0.1252
  -9.500  -0.3741   0.01365   0.00744  -0.1538   0.5663   0.1271
  -9.250  -0.3510   0.01347   0.00721  -0.1529   0.5563   0.1291
  -9.000  -0.3287   0.01333   0.00700  -0.1518   0.5456   0.1307
  -8.750  -0.3048   0.01310   0.00677  -0.1511   0.5382   0.1327
  -8.500  -0.2806   0.01293   0.00656  -0.1503   0.5296   0.1346
  -8.250  -0.2566   0.01280   0.00638  -0.1494   0.5214   0.1364
  -8.000  -0.2310   0.01267   0.00622  -0.1488   0.5155   0.1381
  -7.750  -0.2052   0.01252   0.00604  -0.1482   0.5094   0.1398
  -7.500  -0.1801   0.01236   0.00587  -0.1476   0.5025   0.1420
  -7.000  -0.1287   0.01214   0.00559  -0.1463   0.4901   0.1461
  -6.750  -0.1024   0.01205   0.00547  -0.1457   0.4842   0.1477
  -6.500  -0.0773   0.01194   0.00533  -0.1450   0.4779   0.1497
  -6.250  -0.0528   0.01185   0.00521  -0.1441   0.4716   0.1518
  -6.000  -0.0265   0.01173   0.00509  -0.1435   0.4678   0.1540
  -5.750   0.0000   0.01164   0.00499  -0.1429   0.4631   0.1562
  -5.500   0.0258   0.01156   0.00489  -0.1422   0.4572   0.1586
  -5.250   0.0508   0.01149   0.00480  -0.1414   0.4504   0.1614
  -5.000   0.0769   0.01143   0.00473  -0.1408   0.4448   0.1645
  -4.750   0.1036   0.01139   0.00466  -0.1402   0.4386   0.1672
  -4.500   0.1293   0.01134   0.00460  -0.1395   0.4307   0.1702
  -4.250   0.1549   0.01133   0.00456  -0.1388   0.4235   0.1729
  -4.000   0.1814   0.01131   0.00452  -0.1382   0.4165   0.1752
  -3.750   0.2064   0.01135   0.00450  -0.1373   0.4078   0.1772
  -3.500   0.2325   0.01136   0.00447  -0.1367   0.4003   0.1793
  -3.250   0.2583   0.01136   0.00446  -0.1360   0.3916   0.1817
  -3.000   0.2832   0.01142   0.00447  -0.1351   0.3832   0.1840
  -2.750   0.3093   0.01145   0.00448  -0.1345   0.3761   0.1862
  -2.500   0.3331   0.01154   0.00451  -0.1335   0.3668   0.1881
  -2.250   0.3579   0.01162   0.00455  -0.1326   0.3598   0.1897
  -2.000   0.3824   0.01171   0.00459  -0.1317   0.3521   0.1919
  -1.750   0.4068   0.01181   0.00466  -0.1308   0.3453   0.1941
  -1.500   0.4331   0.01186   0.00471  -0.1302   0.3411   0.1962
  -1.250   0.4587   0.01194   0.00477  -0.1296   0.3361   0.1983
  -1.000   0.4835   0.01205   0.00486  -0.1287   0.3312   0.2002
  -0.750   0.5080   0.01218   0.00495  -0.1279   0.3261   0.2019
  -0.500   0.5336   0.01227   0.00502  -0.1272   0.3223   0.2033
  -0.250   0.5586   0.01235   0.00510  -0.1264   0.3180   0.2056
   0.000   0.5826   0.01247   0.00521  -0.1255   0.3134   0.2080
   0.250   0.6063   0.01261   0.00533  -0.1246   0.3089   0.2104
   0.500   0.6315   0.01271   0.00543  -0.1239   0.3056   0.2126
   0.750   0.6558   0.01284   0.00554  -0.1230   0.3015   0.2144
   1.000   0.6787   0.01301   0.00568  -0.1220   0.2974   0.2160
   1.250   0.7011   0.01319   0.00584  -0.1209   0.2936   0.2178
   1.500   0.7252   0.01331   0.00597  -0.1201   0.2910   0.2207
   1.750   0.7494   0.01344   0.00611  -0.1193   0.2885   0.2234
   2.000   0.7724   0.01361   0.00628  -0.1183   0.2856   0.2258
   2.250   0.7944   0.01381   0.00647  -0.1172   0.2825   0.2284
   2.500   0.8158   0.01404   0.00668  -0.1161   0.2793   0.2307
   2.750   0.8375   0.01427   0.00690  -0.1150   0.2765   0.2324
   3.000   0.8603   0.01444   0.00709  -0.1141   0.2747   0.2358
   3.250   0.8826   0.01464   0.00731  -0.1131   0.2728   0.2392
   3.500   0.9047   0.01486   0.00755  -0.1121   0.2708   0.2426
   3.750   0.9257   0.01512   0.00781  -0.1110   0.2686   0.2457
   4.000   0.9456   0.01542   0.00810  -0.1098   0.2665   0.2483
   4.250   0.9655   0.01574   0.00842  -0.1086   0.2643   0.2513
   4.500   0.9840   0.01609   0.00879  -0.1073   0.2617   0.2560
   4.750   1.0054   0.01636   0.00909  -0.1063   0.2604   0.2604
   5.000   1.0266   0.01665   0.00940  -0.1054   0.2588   0.2645
   5.250   1.0468   0.01699   0.00975  -0.1043   0.2569   0.2678
   5.500   1.0658   0.01737   0.01015  -0.1032   0.2550   0.2724
   5.750   1.0846   0.01777   0.01058  -0.1020   0.2530   0.2785
   6.000   1.1024   0.01823   0.01105  -0.1008   0.2508   0.2842
   6.250   1.1184   0.01878   0.01161  -0.0994   0.2485   0.2887
   6.500   1.1367   0.01924   0.01210  -0.0983   0.2467   0.2953
   6.750   1.1566   0.01965   0.01255  -0.0975   0.2452   0.3026
   7.000   1.1743   0.02017   0.01310  -0.0964   0.2434   0.3089
   7.250   1.1921   0.02070   0.01365  -0.0953   0.2414   0.3148
   7.500   1.2093   0.02127   0.01426  -0.0943   0.2389   0.3237
   7.750   1.2238   0.02198   0.01499  -0.0930   0.2365   0.3315
   8.250   1.2556   0.02334   0.01642  -0.0909   0.2325   0.3500
   8.500   1.2722   0.02401   0.01713  -0.0899   0.2304   0.3588
   8.750   1.2869   0.02480   0.01794  -0.0889   0.2283   0.3638
   9.000   1.3021   0.02558   0.01875  -0.0879   0.2260   0.3726
   9.250   1.3152   0.02651   0.01971  -0.0868   0.2236   0.3810
   9.500   1.3259   0.02761   0.02082  -0.0856   0.2212   0.3878
  10.000   1.3558   0.02936   0.02266  -0.0839   0.2174   0.4057
  10.250   1.3673   0.03050   0.02384  -0.0830   0.2151   0.4154
  10.500   1.3795   0.03161   0.02497  -0.0821   0.2130   0.4234
  10.750   1.3890   0.03293   0.02634  -0.0811   0.2109   0.4355
  11.000   1.3990   0.03427   0.02772  -0.0803   0.2087   0.4477
  11.250   1.4125   0.03536   0.02885  -0.0796   0.2071   0.4584
  11.500   1.4232   0.03669   0.03026  -0.0789   0.2053   0.4736
  11.750   1.4332   0.03811   0.03172  -0.0782   0.2036   0.4842
  12.000   1.4437   0.03950   0.03315  -0.0776   0.2018   0.4954
  12.250   1.4501   0.04127   0.03498  -0.0769   0.2000   0.5102
  12.500   1.4570   0.04302   0.03678  -0.0763   0.1982   0.5228
  12.750   1.4688   0.04439   0.03823  -0.0759   0.1970   0.5415
  13.000   1.4771   0.04612   0.04003  -0.0755   0.1956   0.5556
  13.250   1.4871   0.04771   0.04170  -0.0752   0.1941   0.5810
  13.500   1.4958   0.04941   0.04349  -0.0748   0.1923   0.6026
  13.750   1.5004   0.05157   0.04573  -0.0745   0.1906   0.6266
  14.000   1.5063   0.05360   0.04783  -0.0743   0.1889   0.6517
  14.250   1.5085   0.05607   0.05041  -0.0741   0.1872   0.6815
  14.500   1.5178   0.05780   0.05233  -0.0740   0.1862   0.7423
  14.750   1.5231   0.05902   0.05404  -0.0729   0.1851   1.0000
  15.000   1.5288   0.06124   0.05630  -0.0729   0.1837   1.0000
  15.250   1.5346   0.06347   0.05856  -0.0729   0.1823   1.0000
  15.500   1.5407   0.06569   0.06080  -0.0730   0.1806   1.0000
  15.750   1.5402   0.06869   0.06383  -0.0732   0.1789   1.0000
  16.000   1.5425   0.07139   0.06655  -0.0734   0.1772   1.0000
  16.250   1.5463   0.07396   0.06916  -0.0737   0.1759   1.0000
  16.500   1.5521   0.07635   0.07159  -0.0741   0.1748   1.0000
  16.750   1.5592   0.07857   0.07384  -0.0744   0.1734   1.0000
  17.000   1.5643   0.08105   0.07635  -0.0748   0.1720   1.0000
  17.250   1.5639   0.08424   0.07958  -0.0754   0.1704   1.0000
  17.500   1.5663   0.08707   0.08244  -0.0760   0.1689   1.0000
  17.750   1.5613   0.09087   0.08627  -0.0768   0.1670   1.0000
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