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FX 69-PR-281 (fx69pr281-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: FX 69-PR-281 (fx69pr281-il)
Reynolds number: 1,000,000
Max Cl/Cd: 64.66 at α=4.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-fx69pr281-il-1000000.txt
Download as CSV file: xf-fx69pr281-il-1000000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -0.7236   0.11582   0.11248  -0.0701   1.0000   0.0748
 -19.500  -0.7257   0.11296   0.10958  -0.0710   1.0000   0.0755
 -19.250  -0.7195   0.11062   0.10725  -0.0722   0.9998   0.0765
 -19.000  -0.7077   0.10759   0.10424  -0.0754   0.9992   0.0777
 -18.750  -0.6988   0.10413   0.10077  -0.0788   0.9985   0.0788
 -18.500  -0.6884   0.10080   0.09743  -0.0821   0.9975   0.0798
 -18.250  -0.6811   0.09692   0.09349  -0.0860   0.9964   0.0810
 -18.000  -0.6714   0.09345   0.09000  -0.0896   0.9952   0.0820
 -17.750  -0.6584   0.09040   0.08697  -0.0931   0.9938   0.0833
 -17.500  -0.6488   0.08682   0.08338  -0.0970   0.9924   0.0847
 -17.250  -0.6428   0.08289   0.07942  -0.1010   0.9911   0.0860
 -17.000  -0.6378   0.07963   0.07611  -0.1033   0.9886   0.0873
 -16.750  -0.6344   0.07598   0.07247  -0.1065   0.9860   0.0888
 -16.500  -0.6328   0.07194   0.06842  -0.1102   0.9833   0.0904
 -16.250  -0.6283   0.06811   0.06456  -0.1140   0.9806   0.0922
 -16.000  -0.6217   0.06437   0.06075  -0.1180   0.9781   0.0937
 -15.750  -0.6300   0.06030   0.05667  -0.1205   0.9709   0.0955
 -15.500  -0.6350   0.05587   0.05222  -0.1242   0.9639   0.0978
 -15.250  -0.6370   0.05200   0.04828  -0.1274   0.9548   0.0996
 -15.000  -0.6326   0.04754   0.04376  -0.1329   0.9476   0.1018
 -14.750  -0.6246   0.04308   0.03924  -0.1394   0.9358   0.1044
 -14.500  -0.6023   0.03968   0.03572  -0.1459   0.9193   0.1068
 -14.250  -0.5934   0.03575   0.03163  -0.1521   0.8965   0.1093
 -14.000  -0.5900   0.03259   0.02832  -0.1558   0.8719   0.1116
 -13.750  -0.5792   0.03044   0.02603  -0.1583   0.8519   0.1136
 -13.500  -0.5716   0.02809   0.02355  -0.1608   0.8351   0.1156
 -13.000  -0.5429   0.02374   0.01904  -0.1672   0.8078   0.1201
 -12.750  -0.5196   0.02251   0.01768  -0.1695   0.7934   0.1221
 -12.500  -0.5110   0.02059   0.01570  -0.1711   0.7805   0.1242
 -12.000  -0.4876   0.01804   0.01299  -0.1721   0.7517   0.1281
 -11.750  -0.4751   0.01722   0.01205  -0.1717   0.7371   0.1297
 -11.500  -0.4676   0.01618   0.01096  -0.1709   0.7268   0.1312
 -11.250  -0.4741   0.01516   0.00987  -0.1680   0.7147   0.1327
 -11.000  -0.4676   0.01468   0.00932  -0.1657   0.7039   0.1343
 -10.750  -0.4509   0.01435   0.00895  -0.1643   0.6952   0.1362
 -10.500  -0.4327   0.01413   0.00866  -0.1628   0.6852   0.1378
 -10.250  -0.4133   0.01389   0.00836  -0.1615   0.6762   0.1394
 -10.000  -0.3945   0.01354   0.00800  -0.1603   0.6673   0.1414
  -9.750  -0.3752   0.01332   0.00773  -0.1589   0.6558   0.1433
  -9.500  -0.3530   0.01313   0.00750  -0.1579   0.6457   0.1452
  -9.250  -0.3294   0.01299   0.00730  -0.1570   0.6351   0.1469
  -9.000  -0.3085   0.01285   0.00708  -0.1557   0.6227   0.1486
  -8.750  -0.2851   0.01259   0.00682  -0.1549   0.6138   0.1509
  -8.500  -0.2623   0.01244   0.00662  -0.1539   0.6034   0.1528
  -8.250  -0.2384   0.01232   0.00645  -0.1530   0.5943   0.1548
  -8.000  -0.2122   0.01221   0.00630  -0.1524   0.5868   0.1565
  -7.750  -0.1879   0.01209   0.00613  -0.1515   0.5780   0.1583
  -7.500  -0.1641   0.01194   0.00596  -0.1507   0.5691   0.1608
  -7.250  -0.1372   0.01181   0.00582  -0.1502   0.5629   0.1630
  -7.000  -0.1113   0.01173   0.00571  -0.1496   0.5549   0.1651
  -6.750  -0.0869   0.01171   0.00561  -0.1486   0.5454   0.1669
  -6.500  -0.0599   0.01156   0.00546  -0.1482   0.5397   0.1691
  -6.250  -0.0332   0.01145   0.00534  -0.1477   0.5330   0.1715
  -6.000  -0.0081   0.01139   0.00526  -0.1469   0.5255   0.1738
  -5.750   0.0165   0.01137   0.00519  -0.1459   0.5179   0.1760
  -5.500   0.0436   0.01132   0.00512  -0.1454   0.5129   0.1779
  -5.250   0.0691   0.01121   0.00500  -0.1447   0.5067   0.1807
  -5.000   0.0934   0.01117   0.00494  -0.1437   0.4996   0.1834
  -4.750   0.1188   0.01116   0.00490  -0.1429   0.4931   0.1860
  -4.500   0.1461   0.01114   0.00487  -0.1424   0.4884   0.1883
  -4.250   0.1723   0.01115   0.00484  -0.1416   0.4826   0.1899
  -4.000   0.1971   0.01108   0.00474  -0.1408   0.4757   0.1928
  -3.750   0.2229   0.01105   0.00470  -0.1401   0.4692   0.1952
  -3.500   0.2509   0.01100   0.00466  -0.1398   0.4642   0.1976
  -3.250   0.2774   0.01101   0.00465  -0.1392   0.4573   0.1998
  -3.000   0.3019   0.01107   0.00464  -0.1382   0.4494   0.2015
  -2.750   0.3289   0.01110   0.00464  -0.1376   0.4433   0.2029
  -2.500   0.3553   0.01104   0.00457  -0.1371   0.4349   0.2061
  -2.250   0.3789   0.01110   0.00458  -0.1361   0.4251   0.2086
  -2.000   0.4049   0.01112   0.00459  -0.1354   0.4171   0.2110
  -1.750   0.4281   0.01123   0.00464  -0.1343   0.4078   0.2130
  -1.500   0.4534   0.01131   0.00469  -0.1335   0.4001   0.2148
  -1.250   0.4781   0.01143   0.00475  -0.1326   0.3915   0.2163
  -1.000   0.5017   0.01155   0.00482  -0.1316   0.3829   0.2183
  -0.750   0.5275   0.01159   0.00485  -0.1310   0.3756   0.2216
  -0.500   0.5508   0.01173   0.00496  -0.1299   0.3675   0.2240
  -0.250   0.5754   0.01184   0.00505  -0.1291   0.3615   0.2263
   0.000   0.5995   0.01197   0.00516  -0.1282   0.3559   0.2284
   0.250   0.6217   0.01216   0.00530  -0.1269   0.3498   0.2303
   0.500   0.6448   0.01233   0.00543  -0.1259   0.3443   0.2319
   0.750   0.6703   0.01241   0.00551  -0.1252   0.3401   0.2341
   1.000   0.6943   0.01251   0.00561  -0.1244   0.3353   0.2376
   1.250   0.7159   0.01270   0.00578  -0.1232   0.3302   0.2405
   1.500   0.7384   0.01287   0.00595  -0.1221   0.3258   0.2431
   1.750   0.7633   0.01299   0.00607  -0.1214   0.3227   0.2457
   2.000   0.7867   0.01315   0.00622  -0.1204   0.3188   0.2478
   2.250   0.8081   0.01338   0.00641  -0.1192   0.3146   0.2494
   2.500   0.8276   0.01363   0.00664  -0.1178   0.3096   0.2536
   2.750   0.8519   0.01375   0.00679  -0.1171   0.3072   0.2579
   3.000   0.8754   0.01391   0.00697  -0.1162   0.3044   0.2616
   3.250   0.8971   0.01413   0.00719  -0.1152   0.3015   0.2650
   3.500   0.9171   0.01441   0.00745  -0.1139   0.2984   0.2677
   3.750   0.9362   0.01472   0.00775  -0.1125   0.2949   0.2719
   4.000   0.9559   0.01501   0.00806  -0.1112   0.2920   0.2778
   4.250   0.9785   0.01521   0.00830  -0.1104   0.2904   0.2831
   4.500   1.0002   0.01547   0.00857  -0.1094   0.2881   0.2877
   4.750   1.0203   0.01578   0.00889  -0.1083   0.2856   0.2932
   5.000   1.0392   0.01612   0.00926  -0.1070   0.2831   0.3012
   5.250   1.0569   0.01654   0.00968  -0.1057   0.2804   0.3076
   5.500   1.0715   0.01708   0.01021  -0.1039   0.2772   0.3121
   5.750   1.0923   0.01740   0.01059  -0.1030   0.2757   0.3229
   6.000   1.1138   0.01770   0.01095  -0.1022   0.2741   0.3320
   6.250   1.1336   0.01809   0.01136  -0.1012   0.2721   0.3401
   6.500   1.1515   0.01854   0.01186  -0.1001   0.2699   0.3514
   6.750   1.1687   0.01906   0.01239  -0.0989   0.2677   0.3599
   7.000   1.1837   0.01969   0.01302  -0.0975   0.2652   0.3662
   7.250   1.1956   0.02046   0.01382  -0.0958   0.2623   0.3771
   7.500   1.2149   0.02093   0.01434  -0.0949   0.2606   0.3865
   7.750   1.2347   0.02139   0.01483  -0.0941   0.2590   0.3931
   8.000   1.2522   0.02196   0.01547  -0.0932   0.2572   0.4066
   8.250   1.2687   0.02260   0.01614  -0.0922   0.2551   0.4176
   8.500   1.2843   0.02331   0.01686  -0.0911   0.2528   0.4267
   8.750   1.2965   0.02420   0.01781  -0.0898   0.2505   0.4406
   9.000   1.3059   0.02529   0.01890  -0.0883   0.2476   0.4512
   9.250   1.3243   0.02590   0.01957  -0.0876   0.2461   0.4631
   9.500   1.3416   0.02659   0.02033  -0.0868   0.2445   0.4776
   9.750   1.3569   0.02742   0.02120  -0.0860   0.2425   0.4878
  10.000   1.3718   0.02828   0.02211  -0.0851   0.2403   0.5012
  10.250   1.3847   0.02929   0.02315  -0.0842   0.2381   0.5142
  10.500   1.3927   0.03064   0.02453  -0.0830   0.2357   0.5253
  10.750   1.4038   0.03181   0.02575  -0.0821   0.2334   0.5423
  11.000   1.4201   0.03267   0.02669  -0.0815   0.2318   0.5596
  11.250   1.4335   0.03376   0.02786  -0.0808   0.2299   0.5817
  11.500   1.4467   0.03486   0.02903  -0.0802   0.2278   0.6066
  11.750   1.4581   0.03610   0.03035  -0.0795   0.2257   0.6327
  12.000   1.4642   0.03778   0.03211  -0.0786   0.2235   0.6613
  12.250   1.4715   0.03936   0.03378  -0.0778   0.2211   0.7026
  12.500   1.4853   0.04039   0.03502  -0.0772   0.2198   0.7644
  12.750   1.4902   0.04140   0.03647  -0.0755   0.2182   1.0000
  13.000   1.5014   0.04283   0.03792  -0.0751   0.2164   1.0000
  13.250   1.5106   0.04446   0.03955  -0.0746   0.2144   1.0000
  13.500   1.5147   0.04658   0.04167  -0.0742   0.2123   1.0000
  13.750   1.5188   0.04866   0.04374  -0.0737   0.2099   1.0000
  14.000   1.5271   0.05049   0.04560  -0.0734   0.2085   1.0000
  14.250   1.5376   0.05212   0.04727  -0.0732   0.2071   1.0000
  14.500   1.5481   0.05374   0.04892  -0.0731   0.2056   1.0000
  14.750   1.5552   0.05574   0.05093  -0.0729   0.2040   1.0000
  15.000   1.5592   0.05805   0.05326  -0.0728   0.2022   1.0000
  15.250   1.5638   0.06031   0.05552  -0.0727   0.2003   1.0000
  15.500   1.5629   0.06314   0.05835  -0.0727   0.1979   1.0000
  15.750   1.5727   0.06499   0.06025  -0.0728   0.1969   1.0000
  16.000   1.5824   0.06684   0.06214  -0.0729   0.1955   1.0000
  16.250   1.5879   0.06916   0.06450  -0.0731   0.1940   1.0000
  16.500   1.5930   0.07154   0.06691  -0.0734   0.1925   1.0000
  16.750   1.5979   0.07394   0.06932  -0.0736   0.1908   1.0000
  17.000   1.5967   0.07706   0.07246  -0.0740   0.1890   1.0000
  17.250   1.6001   0.07963   0.07502  -0.0743   0.1869   1.0000
  17.500   1.6083   0.08175   0.07719  -0.0748   0.1859   1.0000
  17.750   1.6137   0.08421   0.07971  -0.0753   0.1845   1.0000
  18.000   1.6169   0.08696   0.08250  -0.0759   0.1829   1.0000
  18.250   1.6217   0.08948   0.08505  -0.0764   0.1813   1.0000
  18.500   1.6233   0.09242   0.08800  -0.0771   0.1796   1.0000
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