Airfoil Tools
Search 1638 airfoils Google+
You have 0 airfoils loaded.
Your Reynold number range is 50,000 to 1,000,000. (set)

EPPLER 540 AIRFOIL (e540-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: EPPLER 540 AIRFOIL (e540-il)
Reynolds number: 1,000,000
Max Cl/Cd: 110.04 at α=5.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-e540-il-1000000.txt
Download as CSV file: xf-e540-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: EPPLER 540 AIRFOIL                              
  
 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
  ------ -------- --------- --------- -------- -------- --------
  -9.500  -0.4759   0.01966   0.01422  -0.1001   0.8517   0.0046
  -9.250  -0.4569   0.01890   0.01331  -0.0989   0.8427   0.0045
  -9.000  -0.4386   0.01811   0.01241  -0.0977   0.8341   0.0044
  -8.750  -0.4206   0.01758   0.01180  -0.0965   0.8263   0.0044
  -8.500  -0.4057   0.01672   0.01083  -0.0947   0.8187   0.0044
  -8.250  -0.3918   0.01599   0.01000  -0.0929   0.8119   0.0045
  -8.000  -0.3745   0.01556   0.00951  -0.0916   0.8053   0.0044
  -7.750  -0.3612   0.01491   0.00878  -0.0896   0.7994   0.0045
  -7.500  -0.3484   0.01424   0.00804  -0.0875   0.7937   0.0048
  -7.250  -0.3337   0.01374   0.00746  -0.0857   0.7883   0.0051
  -7.000  -0.3170   0.01334   0.00702  -0.0842   0.7835   0.0052
  -6.750  -0.3007   0.01293   0.00657  -0.0827   0.7784   0.0055
  -6.500  -0.2842   0.01256   0.00614  -0.0811   0.7738   0.0058
  -6.250  -0.2694   0.01212   0.00564  -0.0792   0.7695   0.0073
  -6.000  -0.2554   0.01168   0.00519  -0.0771   0.7652   0.0096
  -5.750  -0.2448   0.01120   0.00473  -0.0744   0.7611   0.0191
  -5.500  -0.2364   0.01084   0.00441  -0.0712   0.7571   0.0339
  -5.250  -0.2253   0.01050   0.00415  -0.0685   0.7533   0.0534
  -5.000  -0.2103   0.01015   0.00390  -0.0665   0.7496   0.0800
  -4.750  -0.1963   0.00973   0.00363  -0.0644   0.7461   0.1231
  -4.500  -0.1817   0.00927   0.00336  -0.0625   0.7429   0.1783
  -4.250  -0.1789   0.00814   0.00286  -0.0588   0.7396   0.3282
  -4.000  -0.1788   0.00641   0.00207  -0.0549   0.7362   0.5660
  -3.750  -0.1558   0.00620   0.00217  -0.0542   0.7333   0.6719
  -3.500  -0.1269   0.00634   0.00225  -0.0545   0.7306   0.6877
  -3.250  -0.0980   0.00646   0.00233  -0.0548   0.7281   0.6954
  -3.000  -0.0691   0.00660   0.00243  -0.0552   0.7257   0.7033
  -2.750  -0.0402   0.00676   0.00258  -0.0554   0.7231   0.7094
  -2.500  -0.0112   0.00703   0.00282  -0.0557   0.7206   0.7172
  -2.250   0.0179   0.00736   0.00318  -0.0557   0.7182   0.7242
  -2.000   0.0475   0.00769   0.00348  -0.0561   0.7157   0.7300
  -1.750   0.0763   0.00772   0.00346  -0.0565   0.7135   0.7317
  -1.500   0.1051   0.00770   0.00341  -0.0570   0.7111   0.7325
  -1.250   0.1336   0.00761   0.00330  -0.0575   0.7086   0.7335
  -1.000   0.1622   0.00756   0.00322  -0.0579   0.7062   0.7342
  -0.750   0.1911   0.00753   0.00316  -0.0584   0.7037   0.7349
  -0.500   0.2203   0.00756   0.00314  -0.0590   0.7009   0.7356
  -0.250   0.2485   0.00752   0.00312  -0.0593   0.6983   0.7363
   0.000   0.2768   0.00750   0.00309  -0.0597   0.6952   0.7369
   0.250   0.3053   0.00748   0.00305  -0.0601   0.6920   0.7376
   0.500   0.3340   0.00748   0.00303  -0.0605   0.6889   0.7382
   0.750   0.3626   0.00749   0.00302  -0.0610   0.6857   0.7389
   1.000   0.3906   0.00747   0.00301  -0.0613   0.6823   0.7397
   1.250   0.4187   0.00745   0.00300  -0.0616   0.6786   0.7405
   1.500   0.4470   0.00746   0.00298  -0.0620   0.6749   0.7413
   1.750   0.4753   0.00747   0.00298  -0.0624   0.6712   0.7420
   2.000   0.5031   0.00744   0.00297  -0.0626   0.6673   0.7428
   2.250   0.5309   0.00743   0.00297  -0.0629   0.6631   0.7435
   2.500   0.5591   0.00747   0.00297  -0.0633   0.6588   0.7442
   2.750   0.5865   0.00745   0.00298  -0.0635   0.6544   0.7449
   3.000   0.6140   0.00744   0.00299  -0.0637   0.6494   0.7455
   3.250   0.6415   0.00749   0.00301  -0.0639   0.6444   0.7461
   3.500   0.6687   0.00747   0.00304  -0.0640   0.6388   0.7467
   3.750   0.6954   0.00746   0.00304  -0.0641   0.6325   0.7475
   4.000   0.7221   0.00744   0.00305  -0.0641   0.6257   0.7484
   4.250   0.7481   0.00746   0.00307  -0.0640   0.6179   0.7491
   4.500   0.7743   0.00747   0.00312  -0.0639   0.6087   0.7497
   4.750   0.7993   0.00751   0.00317  -0.0636   0.5970   0.7504
   5.000   0.8235   0.00758   0.00324  -0.0631   0.5824   0.7511
   5.250   0.8462   0.00769   0.00332  -0.0623   0.5635   0.7519
   5.500   0.8661   0.00789   0.00344  -0.0609   0.5362   0.7527
   5.750   0.8819   0.00821   0.00362  -0.0588   0.4998   0.7535
   6.000   0.8935   0.00867   0.00390  -0.0559   0.4552   0.7544
   6.250   0.9020   0.00917   0.00421  -0.0524   0.4100   0.7554
   6.500   0.9080   0.00966   0.00451  -0.0484   0.3684   0.7565
   6.750   0.9143   0.01021   0.00488  -0.0446   0.3286   0.7576
   7.000   0.9239   0.01073   0.00526  -0.0415   0.2955   0.7587
   7.250   0.9331   0.01129   0.00567  -0.0385   0.2639   0.7596
   7.750   0.9506   0.01249   0.00660  -0.0325   0.2057   0.7611
   8.000   0.9607   0.01303   0.00707  -0.0299   0.1817   0.7622
   8.250   0.9702   0.01363   0.00758  -0.0272   0.1594   0.7633
   8.500   0.9797   0.01428   0.00815  -0.0247   0.1388   0.7643
   8.750   0.9892   0.01496   0.00876  -0.0223   0.1191   0.7653
   9.000   0.9977   0.01573   0.00944  -0.0198   0.0995   0.7663
   9.250   1.0065   0.01653   0.01015  -0.0175   0.0815   0.7674
   9.500   1.0155   0.01737   0.01091  -0.0153   0.0653   0.7684
   9.750   1.0267   0.01812   0.01163  -0.0135   0.0547   0.7695
  10.000   1.0372   0.01896   0.01242  -0.0117   0.0441   0.7707
  10.250   1.0478   0.01981   0.01325  -0.0100   0.0357   0.7719
  10.500   1.0581   0.02071   0.01412  -0.0083   0.0286   0.7730
  10.750   1.0714   0.02147   0.01490  -0.0071   0.0250   0.7739
  11.000   1.0831   0.02235   0.01577  -0.0057   0.0218   0.7748
  11.250   1.0944   0.02326   0.01670  -0.0043   0.0185   0.7757
  11.500   1.1079   0.02403   0.01752  -0.0032   0.0170   0.7770
  11.750   1.1190   0.02497   0.01847  -0.0020   0.0147   0.7782
  12.000   1.1287   0.02605   0.01959  -0.0006   0.0125   0.7794
  12.250   1.1423   0.02688   0.02047   0.0003   0.0113   0.7805
  12.500   1.1517   0.02802   0.02163   0.0016   0.0092   0.7817
  12.750   1.1607   0.02924   0.02291   0.0028   0.0074   0.7829
  13.000   1.1699   0.03045   0.02413   0.0039   0.0061   0.7841
  13.250   1.1753   0.03200   0.02575   0.0053   0.0048   0.7853
  13.500   1.1848   0.03328   0.02709   0.0062   0.0044   0.7865
  13.750   1.1938   0.03463   0.02849   0.0071   0.0041   0.7877
  14.000   1.2018   0.03609   0.03001   0.0080   0.0038   0.7888
  14.250   1.2084   0.03769   0.03167   0.0088   0.0035   0.7902
  14.500   1.2064   0.04011   0.03422   0.0102   0.0030   0.7918
  14.750   1.2133   0.04180   0.03601   0.0108   0.0027   0.7933
  15.000   1.2210   0.04344   0.03772   0.0113   0.0025   0.7947
  15.250   1.2243   0.04556   0.03994   0.0119   0.0024   0.7961
  15.500   1.2299   0.04752   0.04199   0.0123   0.0024   0.7975
  15.750   1.2329   0.04980   0.04437   0.0126   0.0024   0.7990
  16.000   1.2362   0.05213   0.04678   0.0128   0.0022   0.8004
  16.250   1.2373   0.05476   0.04951   0.0129   0.0022   0.8017
  16.500   1.2372   0.05762   0.05246   0.0129   0.0021   0.8030
  16.750   1.2352   0.06078   0.05573   0.0127   0.0020   0.8045
  17.000   1.2366   0.06363   0.05868   0.0123   0.0020   0.8062
  17.250   1.2251   0.06824   0.06344   0.0116   0.0019   0.8076
  17.500   1.2178   0.07247   0.06781   0.0107   0.0019   0.8091
  17.750   1.2123   0.07666   0.07212   0.0095   0.0019   0.8106
  18.000   1.2012   0.08183   0.07744   0.0079   0.0018   0.8120
  18.250   1.1908   0.08707   0.08283   0.0059   0.0018   0.8134
  18.500   1.1757   0.09329   0.08920   0.0034   0.0018   0.8146
  18.750   1.1620   0.09952   0.09557   0.0007   0.0018   0.8158
<< Back to EPPLER 540 AIRFOIL (e540-il)

Polar data table (+)

Polar graphs


<< Back to EPPLER 540 AIRFOIL (e540-il)