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FX 69-PR-281 (fx69pr281-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: FX 69-PR-281 (fx69pr281-il)
Reynolds number: 500,000
Max Cl/Cd: 47.06 at α=4.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-fx69pr281-il-500000-n5.txt
Download as CSV file: xf-fx69pr281-il-500000-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 =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.750  -0.5075   0.09098   0.08673  -0.0982   0.9715   0.0855
 -16.500  -0.5053   0.08746   0.08316  -0.1006   0.9643   0.0870
 -16.250  -0.5014   0.08419   0.07989  -0.1028   0.9566   0.0884
 -16.000  -0.4974   0.08038   0.07607  -0.1061   0.9490   0.0901
 -15.750  -0.4894   0.07656   0.07220  -0.1102   0.9423   0.0920
 -15.500  -0.4815   0.07233   0.06789  -0.1149   0.9329   0.0940
 -15.250  -0.4661   0.06826   0.06381  -0.1208   0.9242   0.0961
 -15.000  -0.4518   0.06358   0.05903  -0.1278   0.9133   0.0989
 -14.750  -0.4327   0.05952   0.05486  -0.1346   0.9005   0.1013
 -14.500  -0.4197   0.05550   0.05072  -0.1407   0.8846   0.1037
 -14.250  -0.4106   0.05186   0.04693  -0.1455   0.8640   0.1062
 -13.750  -0.3938   0.04522   0.04004  -0.1542   0.8304   0.1109
 -13.500  -0.3817   0.04224   0.03691  -0.1586   0.8151   0.1132
 -13.250  -0.3748   0.03974   0.03429  -0.1612   0.7990   0.1153
 -13.000  -0.3739   0.03692   0.03137  -0.1637   0.7833   0.1173
 -12.750  -0.3718   0.03449   0.02882  -0.1655   0.7675   0.1194
 -12.500  -0.3667   0.03251   0.02674  -0.1666   0.7546   0.1214
 -12.250  -0.3649   0.03042   0.02455  -0.1676   0.7415   0.1231
 -12.000  -0.3645   0.02834   0.02240  -0.1683   0.7306   0.1248
 -11.750  -0.3618   0.02658   0.02057  -0.1686   0.7189   0.1267
 -11.500  -0.3581   0.02508   0.01895  -0.1684   0.7065   0.1284
 -11.250  -0.3520   0.02375   0.01754  -0.1681   0.6952   0.1300
 -11.000  -0.3512   0.02225   0.01596  -0.1674   0.6835   0.1317
 -10.750  -0.3494   0.02092   0.01457  -0.1665   0.6732   0.1333
 -10.500  -0.3472   0.01977   0.01336  -0.1652   0.6628   0.1350
 -10.250  -0.3479   0.01881   0.01230  -0.1631   0.6530   0.1365
 -10.000  -0.3526   0.01803   0.01146  -0.1600   0.6455   0.1379
  -9.750  -0.3423   0.01753   0.01090  -0.1582   0.6368   0.1393
  -9.500  -0.3309   0.01710   0.01042  -0.1563   0.6271   0.1409
  -9.250  -0.3155   0.01675   0.01002  -0.1547   0.6183   0.1427
  -9.000  -0.2978   0.01645   0.00968  -0.1533   0.6086   0.1446
  -8.750  -0.2801   0.01624   0.00937  -0.1517   0.5982   0.1465
  -8.500  -0.2598   0.01601   0.00908  -0.1505   0.5884   0.1483
  -8.250  -0.2407   0.01576   0.00879  -0.1492   0.5776   0.1502
  -8.000  -0.2208   0.01557   0.00854  -0.1479   0.5676   0.1521
  -7.750  -0.1983   0.01538   0.00831  -0.1469   0.5584   0.1541
  -7.500  -0.1760   0.01523   0.00810  -0.1458   0.5499   0.1560
  -7.250  -0.1535   0.01509   0.00789  -0.1448   0.5430   0.1579
  -7.000  -0.1290   0.01488   0.00770  -0.1441   0.5368   0.1600
  -6.750  -0.1050   0.01473   0.00753  -0.1433   0.5297   0.1624
  -6.500  -0.0817   0.01463   0.00736  -0.1423   0.5224   0.1646
  -6.250  -0.0573   0.01453   0.00721  -0.1415   0.5163   0.1669
  -6.000  -0.0321   0.01439   0.00707  -0.1408   0.5101   0.1694
  -5.750  -0.0083   0.01429   0.00696  -0.1399   0.5030   0.1723
  -5.250   0.0383   0.01416   0.00673  -0.1377   0.4900   0.1775
  -5.000   0.0624   0.01406   0.00661  -0.1368   0.4837   0.1795
  -4.750   0.0859   0.01398   0.00651  -0.1358   0.4774   0.1815
  -4.500   0.1088   0.01395   0.00644  -0.1346   0.4712   0.1838
  -4.250   0.1349   0.01388   0.00636  -0.1340   0.4663   0.1861
  -4.000   0.1605   0.01384   0.00629  -0.1333   0.4602   0.1884
  -3.750   0.1849   0.01383   0.00622  -0.1324   0.4534   0.1901
  -3.500   0.2082   0.01379   0.00616  -0.1314   0.4468   0.1922
  -3.250   0.2345   0.01374   0.00611  -0.1308   0.4407   0.1944
  -3.000   0.2591   0.01373   0.00609  -0.1300   0.4330   0.1968
  -2.750   0.2813   0.01379   0.00608  -0.1287   0.4252   0.1990
  -2.500   0.3063   0.01380   0.00606  -0.1279   0.4178   0.2011
  -2.250   0.3292   0.01388   0.00606  -0.1267   0.4096   0.2027
  -2.000   0.3525   0.01392   0.00608  -0.1257   0.4026   0.2049
  -1.750   0.3777   0.01396   0.00611  -0.1250   0.3955   0.2073
  -1.500   0.4005   0.01407   0.00619  -0.1240   0.3872   0.2096
  -1.250   0.4239   0.01418   0.00626  -0.1230   0.3797   0.2118
  -1.000   0.4468   0.01431   0.00634  -0.1219   0.3716   0.2138
  -0.750   0.4681   0.01449   0.00645  -0.1206   0.3644   0.2158
  -0.500   0.4922   0.01460   0.00654  -0.1197   0.3586   0.2179
  -0.250   0.5154   0.01472   0.00665  -0.1188   0.3529   0.2203
   0.000   0.5367   0.01490   0.00680  -0.1176   0.3472   0.2225
   0.250   0.5600   0.01503   0.00693  -0.1166   0.3429   0.2249
   0.500   0.5836   0.01517   0.00706  -0.1158   0.3382   0.2274
   0.750   0.6059   0.01535   0.00722  -0.1147   0.3336   0.2298
   1.000   0.6266   0.01559   0.00740  -0.1134   0.3290   0.2318
   1.250   0.6488   0.01577   0.00758  -0.1124   0.3253   0.2340
   1.500   0.6724   0.01590   0.00774  -0.1116   0.3218   0.2369
   1.750   0.6948   0.01609   0.00793  -0.1107   0.3177   0.2399
   2.000   0.7155   0.01634   0.00817  -0.1095   0.3137   0.2427
   2.250   0.7348   0.01664   0.00844  -0.1081   0.3099   0.2453
   2.500   0.7570   0.01687   0.00866  -0.1072   0.3067   0.2480
   2.750   0.7786   0.01711   0.00890  -0.1062   0.3036   0.2505
   3.000   0.7994   0.01737   0.00918  -0.1052   0.3004   0.2543
   3.250   0.8192   0.01767   0.00950  -0.1040   0.2974   0.2578
   3.500   0.8373   0.01806   0.00987  -0.1027   0.2943   0.2615
   3.750   0.8567   0.01841   0.01023  -0.1015   0.2915   0.2651
   4.000   0.8777   0.01872   0.01055  -0.1006   0.2889   0.2683
   4.250   0.8975   0.01907   0.01092  -0.0996   0.2863   0.2729
   4.500   0.9163   0.01947   0.01135  -0.0985   0.2836   0.2779
   4.750   0.9344   0.01992   0.01181  -0.0973   0.2811   0.2825
   5.000   0.9508   0.02045   0.01233  -0.0960   0.2787   0.2869
   5.250   0.9677   0.02098   0.01287  -0.0947   0.2765   0.2916
   5.500   0.9880   0.02138   0.01332  -0.0939   0.2747   0.2983
   5.750   1.0066   0.02186   0.01384  -0.0930   0.2726   0.3050
   6.000   1.0242   0.02240   0.01440  -0.0919   0.2703   0.3107
   6.250   1.0414   0.02298   0.01500  -0.0909   0.2679   0.3171
   6.500   1.0570   0.02364   0.01569  -0.0897   0.2655   0.3245
   6.750   1.0711   0.02440   0.01646  -0.0885   0.2633   0.3317
   7.250   1.1051   0.02569   0.01784  -0.0867   0.2596   0.3485
   7.500   1.1215   0.02639   0.01860  -0.0858   0.2576   0.3575
   7.750   1.1375   0.02713   0.01937  -0.0849   0.2554   0.3647
   8.000   1.1530   0.02792   0.02020  -0.0840   0.2531   0.3739
   8.250   1.1659   0.02887   0.02118  -0.0830   0.2510   0.3824
   8.500   1.1781   0.02990   0.02222  -0.0819   0.2488   0.3901
   8.750   1.1920   0.03086   0.02321  -0.0811   0.2468   0.3986
   9.000   1.2078   0.03171   0.02415  -0.0804   0.2449   0.4093
   9.250   1.2226   0.03266   0.02514  -0.0797   0.2428   0.4193
   9.500   1.2369   0.03365   0.02618  -0.0790   0.2406   0.4292
   9.750   1.2490   0.03481   0.02740  -0.0782   0.2383   0.4416
  10.000   1.2594   0.03613   0.02874  -0.0774   0.2360   0.4529
  10.250   1.2700   0.03745   0.03010  -0.0767   0.2340   0.4644
  10.500   1.2839   0.03857   0.03129  -0.0761   0.2323   0.4783
  10.750   1.2967   0.03979   0.03257  -0.0756   0.2303   0.4889
  11.000   1.3095   0.04103   0.03388  -0.0751   0.2281   0.5024
  11.250   1.3203   0.04244   0.03535  -0.0746   0.2258   0.5162
  11.500   1.3284   0.04412   0.03709  -0.0741   0.2237   0.5305
  11.750   1.3364   0.04583   0.03884  -0.0736   0.2215   0.5491
  12.000   1.3479   0.04728   0.04039  -0.0733   0.2198   0.5686
  12.250   1.3585   0.04883   0.04203  -0.0730   0.2180   0.5896
  12.500   1.3690   0.05041   0.04371  -0.0727   0.2159   0.6152
  12.750   1.3771   0.05222   0.04562  -0.0725   0.2138   0.6408
  13.000   1.3829   0.05429   0.04778  -0.0722   0.2117   0.6672
  13.500   1.3971   0.05806   0.05186  -0.0717   0.2081   0.7632
  13.750   1.4001   0.05940   0.05359  -0.0704   0.2065   1.0000
  14.000   1.4091   0.06130   0.05552  -0.0704   0.2048   1.0000
  14.250   1.4155   0.06351   0.05774  -0.0705   0.2029   1.0000
  14.500   1.4207   0.06588   0.06013  -0.0706   0.2012   1.0000
  14.750   1.4260   0.06822   0.06246  -0.0707   0.1994   1.0000
  15.000   1.4299   0.07077   0.06502  -0.0710   0.1976   1.0000
  15.250   1.4375   0.07296   0.06726  -0.0712   0.1960   1.0000
  15.500   1.4450   0.07516   0.06950  -0.0715   0.1943   1.0000
  15.750   1.4495   0.07774   0.07212  -0.0719   0.1925   1.0000
  16.000   1.4538   0.08036   0.07476  -0.0723   0.1908   1.0000
  16.250   1.4590   0.08286   0.07727  -0.0728   0.1892   1.0000
  16.500   1.4617   0.08566   0.08008  -0.0733   0.1875   1.0000
  16.750   1.4663   0.08829   0.08275  -0.0739   0.1861   1.0000
  17.000   1.4724   0.09077   0.08529  -0.0745   0.1845   1.0000
  17.250   1.4753   0.09367   0.08823  -0.0752   0.1825   1.0000
  17.500   1.4776   0.09664   0.09123  -0.0760   0.1808   1.0000
  17.750   1.4814   0.09939   0.09401  -0.0767   0.1791   1.0000
  18.000   1.4836   0.10233   0.09695  -0.0776   0.1776   1.0000
  18.250   1.4869   0.10516   0.09981  -0.0784   0.1761   1.0000
  18.500   1.4909   0.10793   0.10265  -0.0793   0.1746   1.0000
  18.750   1.4922   0.11105   0.10582  -0.0803   0.1729   1.0000
  19.000   1.4932   0.11420   0.10901  -0.0814   0.1710   1.0000
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