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FX 69-PR-281 (fx69pr281-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: FX 69-PR-281 (fx69pr281-il)
Reynolds number: 500,000
Max Cl/Cd: 49.62 at α=4.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-fx69pr281-il-500000.txt
Download as CSV file: xf-fx69pr281-il-500000.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 =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.7078   0.11041   0.10625  -0.0750   1.0000   0.0877
 -19.000  -0.6886   0.11073   0.10666  -0.0739   1.0000   0.0882
 -18.750  -0.6736   0.11048   0.10648  -0.0731   1.0000   0.0890
 -18.500  -0.6697   0.10874   0.10478  -0.0731   1.0000   0.0898
 -18.250  -0.6780   0.10541   0.10143  -0.0739   1.0000   0.0911
 -18.000  -0.7141   0.09851   0.09440  -0.0767   1.0000   0.0930
 -17.750  -0.7222   0.09418   0.09000  -0.0793   0.9995   0.0944
 -17.500  -0.6925   0.09307   0.08897  -0.0818   0.9983   0.0955
 -17.250  -0.6793   0.08971   0.08561  -0.0857   0.9966   0.0969
 -17.000  -0.6793   0.08453   0.08035  -0.0909   0.9946   0.0990
 -16.750  -0.6828   0.07901   0.07471  -0.0964   0.9925   0.1009
 -16.500  -0.6560   0.07754   0.07332  -0.0991   0.9904   0.1023
 -16.250  -0.6455   0.07425   0.07003  -0.1024   0.9871   0.1040
 -16.000  -0.6482   0.06911   0.06480  -0.1074   0.9835   0.1062
 -15.750  -0.6407   0.06520   0.06083  -0.1118   0.9804   0.1081
 -15.500  -0.6199   0.06284   0.05852  -0.1154   0.9779   0.1099
 -15.250  -0.6153   0.05938   0.05504  -0.1185   0.9717   0.1119
 -15.000  -0.6211   0.05414   0.04965  -0.1237   0.9655   0.1144
 -14.750  -0.5997   0.05207   0.04764  -0.1269   0.9620   0.1165
 -14.500  -0.5966   0.04896   0.04451  -0.1293   0.9518   0.1185
 -14.250  -0.5896   0.04483   0.04028  -0.1345   0.9462   0.1212
 -14.000  -0.5780   0.04199   0.03741  -0.1380   0.9358   0.1235
 -13.750  -0.5550   0.03927   0.03467  -0.1432   0.9281   0.1259
 -13.500  -0.5346   0.03620   0.03148  -0.1490   0.9162   0.1286
 -13.250  -0.5065   0.03339   0.02855  -0.1557   0.9042   0.1314
 -13.000  -0.4677   0.03136   0.02647  -0.1624   0.8912   0.1342
 -12.750  -0.4392   0.02922   0.02419  -0.1680   0.8739   0.1369
 -12.500  -0.4170   0.02716   0.02196  -0.1724   0.8569   0.1393
 -12.250  -0.3919   0.02598   0.02074  -0.1750   0.8420   0.1416
 -12.000  -0.3780   0.02467   0.01934  -0.1762   0.8263   0.1437
 -11.750  -0.3669   0.02333   0.01789  -0.1771   0.8120   0.1459
 -11.500  -0.3590   0.02205   0.01644  -0.1773   0.7965   0.1476
 -11.250  -0.3497   0.02120   0.01557  -0.1763   0.7827   0.1495
 -11.000  -0.3411   0.02035   0.01466  -0.1754   0.7683   0.1513
 -10.750  -0.3349   0.01953   0.01378  -0.1740   0.7555   0.1530
 -10.500  -0.3306   0.01878   0.01292  -0.1722   0.7425   0.1549
 -10.250  -0.3309   0.01814   0.01217  -0.1694   0.7313   0.1564
 -10.000  -0.3270   0.01771   0.01165  -0.1666   0.7206   0.1579
  -9.750  -0.3140   0.01737   0.01128  -0.1647   0.7099   0.1598
  -9.500  -0.2987   0.01708   0.01098  -0.1631   0.7005   0.1615
  -9.250  -0.2818   0.01685   0.01069  -0.1615   0.6902   0.1634
  -9.000  -0.2632   0.01668   0.01039  -0.1601   0.6793   0.1655
  -8.750  -0.2441   0.01645   0.01010  -0.1587   0.6703   0.1672
  -8.500  -0.2255   0.01618   0.00981  -0.1572   0.6595   0.1693
  -8.250  -0.2051   0.01604   0.00963  -0.1559   0.6487   0.1713
  -8.000  -0.1837   0.01587   0.00945  -0.1547   0.6390   0.1732
  -7.750  -0.1620   0.01574   0.00924  -0.1535   0.6288   0.1752
  -7.500  -0.1395   0.01562   0.00903  -0.1525   0.6201   0.1772
  -7.250  -0.1166   0.01542   0.00879  -0.1515   0.6118   0.1792
  -7.000  -0.0943   0.01526   0.00861  -0.1504   0.6030   0.1813
  -6.750  -0.0707   0.01519   0.00850  -0.1495   0.5947   0.1834
  -6.500  -0.0460   0.01509   0.00838  -0.1487   0.5874   0.1856
  -6.250  -0.0218   0.01502   0.00824  -0.1478   0.5794   0.1879
  -6.000   0.0023   0.01504   0.00813  -0.1469   0.5709   0.1899
  -5.750   0.0266   0.01479   0.00794  -0.1461   0.5646   0.1929
  -5.500   0.0513   0.01472   0.00788  -0.1453   0.5571   0.1952
  -5.250   0.0754   0.01471   0.00781  -0.1443   0.5494   0.1977
  -5.000   0.1002   0.01469   0.00772  -0.1435   0.5424   0.2000
  -4.750   0.1259   0.01461   0.00760  -0.1428   0.5362   0.2020
  -4.500   0.1502   0.01445   0.00741  -0.1420   0.5293   0.2043
  -4.250   0.1730   0.01434   0.00729  -0.1408   0.5222   0.2068
  -4.000   0.1972   0.01430   0.00725  -0.1399   0.5159   0.2091
  -3.750   0.2212   0.01423   0.00718  -0.1389   0.5096   0.2114
  -3.500   0.2441   0.01420   0.00710  -0.1376   0.5027   0.2137
  -3.250   0.2663   0.01425   0.00704  -0.1363   0.4952   0.2157
  -3.000   0.2910   0.01415   0.00693  -0.1354   0.4893   0.2180
  -2.750   0.3143   0.01401   0.00682  -0.1344   0.4822   0.2209
  -2.500   0.3365   0.01403   0.00680  -0.1331   0.4747   0.2232
  -2.250   0.3603   0.01405   0.00681  -0.1321   0.4679   0.2256
  -2.000   0.3851   0.01404   0.00679  -0.1313   0.4610   0.2280
  -1.750   0.4075   0.01410   0.00678  -0.1300   0.4531   0.2303
  -1.500   0.4293   0.01421   0.00682  -0.1286   0.4453   0.2322
  -1.250   0.4531   0.01409   0.00672  -0.1277   0.4374   0.2353
  -1.000   0.4743   0.01415   0.00675  -0.1264   0.4288   0.2379
  -0.750   0.4975   0.01424   0.00682  -0.1253   0.4212   0.2404
  -0.500   0.5203   0.01435   0.00691  -0.1242   0.4131   0.2431
  -0.250   0.5399   0.01456   0.00703  -0.1226   0.4051   0.2455
   0.000   0.5641   0.01466   0.00711  -0.1217   0.3984   0.2478
   0.250   0.5861   0.01484   0.00723  -0.1205   0.3911   0.2495
   0.500   0.6060   0.01495   0.00730  -0.1191   0.3837   0.2530
   0.750   0.6301   0.01501   0.00741  -0.1183   0.3780   0.2563
   1.000   0.6515   0.01519   0.00757  -0.1171   0.3718   0.2593
   1.250   0.6706   0.01546   0.00777  -0.1156   0.3657   0.2619
   1.500   0.6936   0.01562   0.00793  -0.1147   0.3609   0.2647
   1.750   0.7152   0.01584   0.00812  -0.1135   0.3559   0.2673
   2.000   0.7351   0.01609   0.00832  -0.1122   0.3509   0.2700
   2.250   0.7538   0.01637   0.00857  -0.1108   0.3456   0.2743
   2.500   0.7771   0.01651   0.00877  -0.1100   0.3423   0.2782
   2.750   0.7990   0.01672   0.00901  -0.1090   0.3386   0.2820
   3.000   0.8195   0.01701   0.00928  -0.1078   0.3347   0.2857
   3.250   0.8382   0.01737   0.00958  -0.1065   0.3310   0.2887
   3.500   0.8568   0.01774   0.00993  -0.1052   0.3267   0.2937
   3.750   0.8791   0.01793   0.01020  -0.1044   0.3241   0.2995
   4.000   0.9001   0.01820   0.01051  -0.1034   0.3210   0.3048
   4.250   0.9199   0.01854   0.01085  -0.1023   0.3180   0.3096
   4.500   0.9389   0.01892   0.01121  -0.1011   0.3149   0.3150
   4.750   0.9570   0.01933   0.01165  -0.0999   0.3118   0.3225
   5.000   0.9757   0.01979   0.01211  -0.0988   0.3087   0.3294
   5.250   0.9958   0.02015   0.01251  -0.0978   0.3066   0.3359
   5.500   1.0157   0.02050   0.01293  -0.0969   0.3040   0.3450
   5.750   1.0341   0.02094   0.01342  -0.0958   0.3013   0.3542
   6.000   1.0513   0.02146   0.01392  -0.0947   0.2986   0.3619
   6.250   1.0683   0.02201   0.01447  -0.0935   0.2958   0.3718
   6.500   1.0858   0.02260   0.01506  -0.0925   0.2926   0.3821
   6.750   1.1034   0.02312   0.01565  -0.0914   0.2908   0.3909
   7.000   1.1214   0.02364   0.01624  -0.0905   0.2886   0.4024
   7.250   1.1387   0.02421   0.01687  -0.0896   0.2860   0.4144
   7.500   1.1541   0.02490   0.01757  -0.0884   0.2835   0.4234
   7.750   1.1696   0.02559   0.01831  -0.0874   0.2811   0.4373
   8.000   1.1853   0.02633   0.01903  -0.0864   0.2782   0.4494
   8.250   1.2022   0.02702   0.01975  -0.0855   0.2758   0.4603
   8.500   1.2166   0.02781   0.02064  -0.0845   0.2738   0.4741
   8.750   1.2319   0.02859   0.02148  -0.0836   0.2715   0.4863
   9.000   1.2470   0.02939   0.02234  -0.0827   0.2692   0.4995
   9.250   1.2601   0.03034   0.02332  -0.0818   0.2668   0.5136
   9.500   1.2736   0.03128   0.02427  -0.0809   0.2643   0.5274
   9.750   1.2905   0.03206   0.02506  -0.0802   0.2615   0.5451
  10.000   1.3034   0.03307   0.02618  -0.0794   0.2598   0.5622
  10.250   1.3158   0.03415   0.02738  -0.0786   0.2578   0.5823
  10.500   1.3289   0.03519   0.02852  -0.0778   0.2557   0.6044
  10.750   1.3419   0.03627   0.02968  -0.0771   0.2535   0.6291
  11.000   1.3530   0.03747   0.03096  -0.0764   0.2513   0.6576
  11.250   1.3659   0.03854   0.03210  -0.0757   0.2490   0.6953
  11.500   1.3804   0.03942   0.03313  -0.0749   0.2468   0.7496
  11.750   1.3812   0.04029   0.03446  -0.0721   0.2453   0.9054
  12.000   1.3925   0.04171   0.03594  -0.0720   0.2433   1.0000
  12.250   1.4041   0.04311   0.03735  -0.0716   0.2413   1.0000
  12.500   1.4152   0.04456   0.03880  -0.0713   0.2392   1.0000
  12.750   1.4251   0.04613   0.04035  -0.0709   0.2372   1.0000
  13.000   1.4376   0.04745   0.04162  -0.0706   0.2351   1.0000
  13.250   1.4504   0.04880   0.04296  -0.0703   0.2331   1.0000
  13.500   1.4581   0.05066   0.04488  -0.0701   0.2315   1.0000
  13.750   1.4663   0.05251   0.04678  -0.0699   0.2296   1.0000
  14.000   1.4759   0.05423   0.04852  -0.0698   0.2277   1.0000
  14.250   1.4839   0.05611   0.05041  -0.0697   0.2258   1.0000
  14.500   1.4933   0.05788   0.05216  -0.0696   0.2240   1.0000
  14.750   1.5067   0.05919   0.05342  -0.0695   0.2219   1.0000
  15.000   1.5153   0.06107   0.05534  -0.0695   0.2202   1.0000
  15.250   1.5187   0.06358   0.05792  -0.0696   0.2184   1.0000
  15.500   1.5249   0.06579   0.06017  -0.0697   0.2166   1.0000
  15.750   1.5325   0.06784   0.06225  -0.0699   0.2148   1.0000
  16.000   1.5388   0.07007   0.06449  -0.0701   0.2131   1.0000
  16.250   1.5490   0.07183   0.06622  -0.0703   0.2113   1.0000
  16.500   1.5667   0.07267   0.06699  -0.0703   0.2093   1.0000
  16.750   1.5656   0.07584   0.07027  -0.0707   0.2078   1.0000
  17.000   1.5647   0.07901   0.07353  -0.0713   0.2059   1.0000
  17.250   1.5685   0.08162   0.07619  -0.0718   0.2040   1.0000
  17.500   1.5744   0.08400   0.07858  -0.0723   0.2023   1.0000
  17.750   1.5813   0.08623   0.08081  -0.0728   0.2006   1.0000
  18.000   1.5963   0.08740   0.08192  -0.0730   0.1989   1.0000
  18.250   1.6042   0.08948   0.08403  -0.0734   0.1973   1.0000
  18.500   1.5989   0.09332   0.08799  -0.0744   0.1955   1.0000
  18.750   1.5945   0.09705   0.09181  -0.0754   0.1935   1.0000
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