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EPPLER STE 87(-3)-914 AIRFOIL (ste87391-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: EPPLER STE 87(-3)-914 AIRFOIL (ste87391-il)
Reynolds number: 500,000
Max Cl/Cd: 97.38 at α=3.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-ste87391-il-500000.txt
Download as CSV file: xf-ste87391-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER STE 87(-3)-914 AIRFOIL                   
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -14.000  -0.1626   0.12495   0.12223  -0.1216   0.9706   0.0239
 -13.750  -0.1757   0.11631   0.11363  -0.1258   0.9698   0.0258
 -13.500  -0.2995   0.07899   0.07617  -0.1436   0.9686   0.0193
 -13.250  -0.2907   0.07668   0.07389  -0.1449   0.9680   0.0195
 -13.000  -0.2912   0.07231   0.06951  -0.1484   0.9675   0.0198
 -12.750  -0.4306   0.05275   0.04922  -0.1583   0.9591   0.0159
 -12.500  -0.4728   0.05415   0.05073  -0.1455   0.9525   0.0158
 -12.250  -0.4899   0.05063   0.04708  -0.1461   0.9505   0.0157
 -12.000  -0.5037   0.04724   0.04352  -0.1473   0.9491   0.0157
 -11.750  -0.5493   0.04853   0.04490  -0.1344   0.9431   0.0157
 -11.500  -0.5687   0.04626   0.04249  -0.1321   0.9401   0.0156
 -11.250  -0.5823   0.04379   0.03981  -0.1311   0.9382   0.0156
 -11.000  -0.6219   0.04412   0.04018  -0.1201   0.9319   0.0156
 -10.750  -0.6277   0.04155   0.03733  -0.1185   0.9292   0.0156
 -10.500  -0.6187   0.03890   0.03413  -0.1198   0.9272   0.0160
 -10.250  -0.5986   0.03606   0.03128  -0.1209   0.9267   0.0166
 -10.000  -0.6181   0.03572   0.03093  -0.1130   0.9205   0.0167
  -9.750  -0.5989   0.03464   0.02980  -0.1129   0.9185   0.0173
  -9.500  -0.5787   0.03283   0.02773  -0.1133   0.9171   0.0178
  -9.250  -0.5545   0.03099   0.02561  -0.1140   0.9161   0.0181
  -9.000  -0.5269   0.02950   0.02387  -0.1151   0.9154   0.0184
  -8.750  -0.4961   0.02836   0.02248  -0.1165   0.9147   0.0188
  -8.500  -0.4884   0.02788   0.02183  -0.1133   0.9099   0.0190
  -8.250  -0.4689   0.02641   0.02034  -0.1126   0.9079   0.0194
  -8.000  -0.4429   0.02548   0.01941  -0.1130   0.9062   0.0199
  -7.750  -0.4132   0.02474   0.01863  -0.1139   0.9049   0.0206
  -7.500  -0.3815   0.02411   0.01792  -0.1152   0.9038   0.0216
  -7.250  -0.3492   0.02356   0.01726  -0.1165   0.9030   0.0223
  -7.000  -0.3165   0.02256   0.01629  -0.1182   0.9024   0.0230
  -6.750  -0.2819   0.02196   0.01567  -0.1201   0.9019   0.0238
  -6.500  -0.2463   0.02145   0.01511  -0.1221   0.9014   0.0248
  -6.250  -0.2394   0.02130   0.01493  -0.1186   0.8948   0.0253
  -6.000  -0.2080   0.02075   0.01435  -0.1199   0.8930   0.0263
  -5.750  -0.1748   0.02035   0.01393  -0.1214   0.8916   0.0281
  -5.500  -0.1403   0.01994   0.01350  -0.1231   0.8906   0.0303
  -5.250  -0.1050   0.01961   0.01313  -0.1248   0.8897   0.0330
  -5.000  -0.0686   0.01921   0.01276  -0.1268   0.8890   0.0402
  -4.750  -0.0281   0.01817   0.01236  -0.1305   0.8887   0.1650
  -4.500   0.0077   0.01799   0.01227  -0.1324   0.8881   0.1953
  -4.250   0.0439   0.01785   0.01216  -0.1342   0.8876   0.2143
  -4.000   0.0525   0.01803   0.01234  -0.1309   0.8798   0.2226
  -3.750   0.0850   0.01790   0.01223  -0.1320   0.8780   0.2369
  -3.500   0.1197   0.01770   0.01209  -0.1336   0.8767   0.2540
  -3.250   0.1556   0.01747   0.01189  -0.1353   0.8757   0.2695
  -3.000   0.1924   0.01721   0.01169  -0.1373   0.8749   0.2874
  -2.750   0.2304   0.01690   0.01146  -0.1395   0.8742   0.3117
  -2.500   0.2694   0.01655   0.01120  -0.1419   0.8737   0.3429
  -2.250   0.2863   0.01658   0.01136  -0.1402   0.8667   0.3755
  -2.000   0.3221   0.01618   0.01116  -0.1421   0.8644   0.4344
  -1.750   0.3626   0.01563   0.01089  -0.1449   0.8633   0.5187
  -1.500   0.4039   0.01500   0.01070  -0.1478   0.8624   0.6368
  -1.250   0.4400   0.01464   0.01050  -0.1490   0.8613   0.7063
  -1.000   0.4772   0.01423   0.01009  -0.1504   0.8602   0.7303
  -0.750   0.5170   0.01369   0.00952  -0.1524   0.8595   0.7469
  -0.500   0.5546   0.01310   0.00895  -0.1537   0.8588   0.7577
  -0.250   0.5675   0.01341   0.00924  -0.1508   0.8496   0.7675
   0.000   0.5995   0.01302   0.00889  -0.1512   0.8478   0.7744
   0.250   0.6339   0.01259   0.00845  -0.1521   0.8466   0.7818
   0.500   0.6698   0.01213   0.00798  -0.1534   0.8456   0.7882
   0.750   0.7038   0.01166   0.00754  -0.1543   0.8445   0.7936
   1.000   0.7400   0.01120   0.00708  -0.1556   0.8433   0.7995
   1.250   0.7482   0.01157   0.00747  -0.1518   0.8320   0.8050
   1.500   0.7817   0.01109   0.00700  -0.1526   0.8295   0.8089
   1.750   0.7917   0.01134   0.00730  -0.1490   0.8178   0.8134
   2.000   0.8248   0.01092   0.00688  -0.1498   0.8135   0.8182
   2.250   0.8426   0.01108   0.00705  -0.1479   0.8001   0.8232
   2.500   0.8660   0.01089   0.00689  -0.1467   0.7874   0.8288
   2.750   0.8962   0.01054   0.00653  -0.1466   0.7736   0.8385
   3.000   0.9286   0.01014   0.00607  -0.1469   0.7553   0.8469
   3.250   0.9600   0.00994   0.00576  -0.1473   0.7286   0.8525
   3.500   0.9845   0.01011   0.00573  -0.1466   0.6938   0.8563
   3.750   1.0015   0.01052   0.00593  -0.1446   0.6567   0.8592
   4.000   1.0129   0.01096   0.00621  -0.1415   0.6211   0.8617
   4.250   1.0240   0.01148   0.00657  -0.1384   0.5863   0.8642
   4.500   1.0353   0.01205   0.00699  -0.1355   0.5521   0.8664
   5.000   1.0605   0.01326   0.00788  -0.1304   0.4856   0.8708
   5.250   1.0748   0.01387   0.00833  -0.1284   0.4555   0.8725
   5.500   1.0912   0.01442   0.00878  -0.1267   0.4277   0.8744
   5.750   1.1074   0.01498   0.00922  -0.1250   0.4018   0.8760
   6.000   1.1233   0.01552   0.00965  -0.1232   0.3781   0.8774
   6.250   1.1398   0.01605   0.01009  -0.1216   0.3566   0.8788
   6.500   1.1571   0.01656   0.01053  -0.1201   0.3377   0.8803
   6.750   1.1755   0.01704   0.01097  -0.1189   0.3214   0.8818
   7.000   1.1942   0.01752   0.01141  -0.1177   0.3070   0.8834
   7.250   1.2124   0.01803   0.01188  -0.1164   0.2945   0.8854
   7.500   1.2310   0.01853   0.01236  -0.1153   0.2833   0.8874
   7.750   1.2503   0.01901   0.01283  -0.1142   0.2722   0.8889
   8.000   1.2678   0.01959   0.01336  -0.1130   0.2602   0.8905
   8.250   1.2863   0.02011   0.01385  -0.1119   0.2480   0.8920
   8.500   1.3047   0.02058   0.01431  -0.1108   0.2358   0.8937
   8.750   1.3218   0.02112   0.01483  -0.1094   0.2249   0.8955
   9.000   1.3394   0.02165   0.01537  -0.1082   0.2157   0.8975
   9.250   1.3573   0.02217   0.01590  -0.1071   0.2065   0.8996
   9.500   1.3735   0.02281   0.01651  -0.1057   0.1963   0.9019
   9.750   1.3905   0.02342   0.01711  -0.1045   0.1839   0.9042
  10.000   1.4074   0.02406   0.01773  -0.1033   0.1716   0.9065
  10.250   1.4215   0.02478   0.01842  -0.1017   0.1574   0.9095
  10.500   1.4342   0.02558   0.01917  -0.0999   0.1387   0.9129
  10.750   1.4413   0.02682   0.02022  -0.0974   0.1072   0.9164
  11.000   1.4392   0.02873   0.02185  -0.0938   0.0681   0.9201
  11.250   1.4333   0.03096   0.02382  -0.0898   0.0332   0.9241
  11.500   1.4307   0.03295   0.02572  -0.0863   0.0170   0.9296
  11.750   1.4355   0.03444   0.02725  -0.0838   0.0135   0.9371
  12.250   1.4455   0.03720   0.03019  -0.0791   0.0112   0.9981
  12.500   1.4539   0.03878   0.03187  -0.0776   0.0105   0.9981
  12.750   1.4606   0.04052   0.03370  -0.0761   0.0099   0.9981
  13.000   1.4634   0.04262   0.03588  -0.0743   0.0094   0.9981
  13.250   1.4629   0.04508   0.03844  -0.0724   0.0091   0.9981
  13.500   1.4665   0.04724   0.04070  -0.0710   0.0089   0.9981
  13.750   1.4679   0.04966   0.04324  -0.0695   0.0086   0.9981
  14.000   1.4677   0.05231   0.04600  -0.0682   0.0084   0.9981
  14.250   1.4663   0.05517   0.04896  -0.0670   0.0082   0.9981
  14.500   1.4633   0.05832   0.05222  -0.0659   0.0081   0.9981
  14.750   1.4593   0.06167   0.05568  -0.0651   0.0080   0.9981
  15.000   1.4538   0.06531   0.05943  -0.0645   0.0079   0.9981
  15.250   1.4473   0.06919   0.06342  -0.0641   0.0078   0.9981
  15.500   1.4398   0.07332   0.06767  -0.0640   0.0077   0.9981
  15.750   1.4310   0.07775   0.07220  -0.0641   0.0076   0.9981
  16.000   1.4214   0.08238   0.07694  -0.0645   0.0075   0.9981
  16.250   1.4118   0.08710   0.08178  -0.0651   0.0075   0.9981
  16.500   1.4015   0.09200   0.08678  -0.0659   0.0074   0.9981
  16.750   1.3914   0.09693   0.09181  -0.0668   0.0074   0.9981
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