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St. CYR 171 (Royer) (stcyr171-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: St. CYR 171 (Royer) (stcyr171-il)
Reynolds number: 500,000
Max Cl/Cd: 42.8 at α=10°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-stcyr171-il-500000-n5.txt
Download as CSV file: xf-stcyr171-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: St. CYR 171 (Royer)                             
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -18.750  -0.9209   0.15136   0.14846   0.0134   1.0000   0.0177
 -18.500  -0.9490   0.14075   0.13771   0.0074   1.0000   0.0181
 -18.250  -0.9713   0.13185   0.12869   0.0025   1.0000   0.0183
 -18.000  -0.9887   0.12426   0.12100  -0.0016   1.0000   0.0185
 -17.750  -1.0044   0.11728   0.11392  -0.0054   1.0000   0.0187
 -17.500  -1.0209   0.11037   0.10689  -0.0091   1.0000   0.0188
 -17.250  -1.0365   0.10375   0.10016  -0.0126   1.0000   0.0190
 -17.000  -1.0509   0.09736   0.09367  -0.0160   1.0000   0.0192
 -16.750  -1.0648   0.09113   0.08733  -0.0194   1.0000   0.0194
 -16.500  -1.0780   0.08500   0.08109  -0.0226   1.0000   0.0195
 -16.250  -1.0900   0.07909   0.07506  -0.0257   1.0000   0.0197
 -16.000  -1.1008   0.07346   0.06930  -0.0287   1.0000   0.0198
 -15.750  -1.1113   0.06845   0.06418  -0.0312   1.0000   0.0199
 -15.500  -1.1211   0.06384   0.05945  -0.0334   1.0000   0.0200
 -15.250  -1.1297   0.05971   0.05521  -0.0352   1.0000   0.0201
 -15.000  -1.1372   0.05587   0.05127  -0.0368   1.0000   0.0202
 -14.750  -1.1509   0.05156   0.04688  -0.0384   1.0000   0.0204
 -14.500  -1.1633   0.04739   0.04263  -0.0402   1.0000   0.0205
 -14.250  -1.1812   0.04252   0.03766  -0.0429   1.0000   0.0206
 -14.000  -1.2011   0.03835   0.03335  -0.0442   1.0000   0.0207
 -13.750  -1.2144   0.03577   0.03067  -0.0426   1.0000   0.0208
 -13.500  -1.2217   0.03404   0.02885  -0.0398   1.0000   0.0209
 -13.250  -1.2261   0.03271   0.02745  -0.0363   1.0000   0.0212
 -13.000  -1.2224   0.03151   0.02617  -0.0337   1.0000   0.0214
 -12.750  -1.2152   0.03040   0.02499  -0.0315   1.0000   0.0217
 -12.500  -1.2051   0.02941   0.02393  -0.0295   1.0000   0.0221
 -12.250  -1.1940   0.02846   0.02290  -0.0275   1.0000   0.0225
 -12.000  -1.1819   0.02754   0.02191  -0.0256   1.0000   0.0229
 -11.750  -1.1690   0.02667   0.02094  -0.0236   1.0000   0.0232
 -11.500  -1.1551   0.02583   0.02002  -0.0217   1.0000   0.0236
 -11.250  -1.1395   0.02510   0.01920  -0.0200   1.0000   0.0240
 -11.000  -1.1227   0.02444   0.01846  -0.0184   1.0000   0.0244
 -10.750  -1.1059   0.02377   0.01772  -0.0167   1.0000   0.0247
 -10.500  -1.0886   0.02314   0.01701  -0.0151   1.0000   0.0250
 -10.250  -1.0707   0.02254   0.01634  -0.0135   1.0000   0.0252
 -10.000  -1.0558   0.02174   0.01547  -0.0115   1.0000   0.0255
  -9.750  -1.0418   0.02087   0.01454  -0.0092   1.0000   0.0261
  -9.500  -1.0253   0.02016   0.01378  -0.0074   1.0000   0.0266
  -9.250  -1.0074   0.01955   0.01314  -0.0057   1.0000   0.0271
  -9.000  -0.9887   0.01899   0.01253  -0.0041   1.0000   0.0276
  -8.750  -0.9696   0.01848   0.01196  -0.0025   1.0000   0.0280
  -8.500  -0.9501   0.01799   0.01143  -0.0010   1.0000   0.0284
  -8.250  -0.9301   0.01754   0.01093   0.0005   1.0000   0.0288
  -8.000  -0.9100   0.01711   0.01046   0.0020   1.0000   0.0293
  -7.750  -0.8894   0.01671   0.01001   0.0034   1.0000   0.0298
  -7.500  -0.8687   0.01635   0.00960   0.0048   1.0000   0.0303
  -7.250  -0.8476   0.01601   0.00922   0.0062   1.0000   0.0308
  -7.000  -0.8222   0.01568   0.00885   0.0066   0.9993   0.0311
  -6.750  -0.7903   0.01534   0.00847   0.0057   0.9973   0.0316
  -6.500  -0.7582   0.01499   0.00808   0.0048   0.9948   0.0326
  -6.250  -0.7253   0.01468   0.00775   0.0037   0.9922   0.0336
  -6.000  -0.6951   0.01439   0.00745   0.0032   0.9891   0.0348
  -5.750  -0.6637   0.01414   0.00717   0.0025   0.9857   0.0361
  -5.500  -0.6305   0.01390   0.00693   0.0014   0.9825   0.0380
  -5.250  -0.5986   0.01361   0.00669   0.0006   0.9788   0.0451
  -5.000  -0.5715   0.01323   0.00657   0.0007   0.9725   0.0863
  -4.750  -0.5380   0.01302   0.00645  -0.0005   0.9677   0.1007
  -4.500  -0.5099   0.01285   0.00633  -0.0004   0.9605   0.1099
  -4.250  -0.4791   0.01270   0.00620  -0.0009   0.9540   0.1185
  -4.000  -0.4474   0.01254   0.00609  -0.0015   0.9475   0.1256
  -3.750  -0.4150   0.01240   0.00599  -0.0023   0.9391   0.1326
  -3.500  -0.3764   0.01227   0.00588  -0.0045   0.9327   0.1394
  -3.250  -0.3394   0.01214   0.00580  -0.0063   0.9216   0.1473
  -3.000  -0.2919   0.01201   0.00566  -0.0103   0.9003   0.1558
  -2.750  -0.2492   0.01197   0.00553  -0.0132   0.8473   0.1694
  -2.250  -0.1965   0.01206   0.00541  -0.0120   0.7639   0.1928
  -2.000  -0.1713   0.01208   0.00537  -0.0112   0.7363   0.2067
  -1.750  -0.1455   0.01206   0.00533  -0.0106   0.7160   0.2214
  -1.500  -0.1195   0.01203   0.00530  -0.0100   0.6969   0.2350
  -1.250  -0.0937   0.01203   0.00527  -0.0094   0.6726   0.2472
  -1.000  -0.0682   0.01204   0.00521  -0.0087   0.6436   0.2575
  -0.750  -0.0431   0.01210   0.00520  -0.0079   0.6071   0.2659
  -0.500  -0.0184   0.01221   0.00517  -0.0070   0.5661   0.2731
  -0.250   0.0065   0.01240   0.00526  -0.0062   0.5309   0.2815
   0.250   0.0590   0.01312   0.00602  -0.0050   0.4759   0.3119
   0.500   0.0886   0.01465   0.00778  -0.0046   0.4377   0.3353
   0.750   0.1119   0.01481   0.00759  -0.0037   0.3538   0.3930
   1.000   0.1357   0.01507   0.00754  -0.0029   0.2899   0.3996
   1.250   0.1616   0.01526   0.00755  -0.0025   0.2560   0.4051
   1.500   0.1879   0.01559   0.00781  -0.0020   0.2349   0.4072
   1.750   0.2141   0.01585   0.00801  -0.0015   0.2154   0.4091
   2.000   0.2406   0.01612   0.00822  -0.0010   0.2002   0.4120
   2.250   0.2673   0.01639   0.00840  -0.0006   0.1882   0.4152
   2.500   0.2936   0.01659   0.00862  -0.0001   0.1794   0.4167
   2.750   0.3198   0.01679   0.00881   0.0004   0.1717   0.4187
   3.000   0.3464   0.01694   0.00897   0.0008   0.1653   0.4208
   3.250   0.3725   0.01714   0.00910   0.0013   0.1564   0.4225
   3.500   0.3992   0.01732   0.00925   0.0017   0.1504   0.4239
   3.750   0.4247   0.01731   0.00925   0.0022   0.1440   0.4243
   4.000   0.4500   0.01736   0.00928   0.0028   0.1379   0.4247
   4.250   0.4758   0.01738   0.00932   0.0033   0.1335   0.4252
   4.500   0.5014   0.01742   0.00937   0.0039   0.1284   0.4257
   4.750   0.5265   0.01751   0.00943   0.0045   0.1216   0.4261
   5.000   0.5520   0.01757   0.00951   0.0050   0.1153   0.4268
   5.250   0.5771   0.01769   0.00960   0.0056   0.1080   0.4277
   5.500   0.6022   0.01780   0.00972   0.0062   0.1013   0.4285
   5.750   0.6269   0.01798   0.00986   0.0069   0.0915   0.4294
   6.000   0.6509   0.01822   0.01003   0.0076   0.0763   0.4301
   6.250   0.6715   0.01878   0.01037   0.0089   0.0444   0.4304
   6.500   0.6948   0.01905   0.01064   0.0097   0.0394   0.4305
   6.750   0.7187   0.01925   0.01085   0.0105   0.0374   0.4306
   7.000   0.7426   0.01947   0.01111   0.0113   0.0361   0.4309
   7.500   0.7889   0.01995   0.01168   0.0131   0.0340   0.4340
   7.750   0.8114   0.02020   0.01199   0.0140   0.0331   0.4350
   8.000   0.8335   0.02053   0.01236   0.0151   0.0323   0.4361
   8.250   0.8549   0.02095   0.01283   0.0162   0.0314   0.4374
   8.500   0.8768   0.02128   0.01322   0.0172   0.0309   0.4380
   8.750   0.8987   0.02157   0.01357   0.0182   0.0304   0.4381
   9.000   0.9198   0.02186   0.01392   0.0194   0.0300   0.4375
   9.250   0.9404   0.02219   0.01432   0.0206   0.0296   0.4370
   9.500   0.9605   0.02255   0.01474   0.0218   0.0291   0.4366
   9.750   0.9800   0.02294   0.01520   0.0232   0.0286   0.4362
  10.000   0.9989   0.02334   0.01566   0.0246   0.0280   0.4358
  10.250   1.0170   0.02379   0.01616   0.0261   0.0274   0.4354
  10.500   1.0340   0.02428   0.01670   0.0277   0.0269   0.4351
  10.750   1.0496   0.02482   0.01730   0.0295   0.0265   0.4348
  11.000   1.0625   0.02549   0.01802   0.0317   0.0260   0.4344
  11.250   1.0721   0.02624   0.01885   0.0344   0.0255   0.4342
  11.500   1.0765   0.02703   0.01971   0.0379   0.0251   0.4340
  11.750   1.0876   0.02749   0.02025   0.0403   0.0249   0.4338
  12.000   1.0990   0.02800   0.02085   0.0426   0.0246   0.4336
  12.250   1.1092   0.02868   0.02160   0.0450   0.0242   0.4333
  12.500   1.1180   0.02945   0.02247   0.0473   0.0239   0.4332
  12.750   1.1259   0.03030   0.02341   0.0495   0.0236   0.4330
  13.000   1.1336   0.03117   0.02436   0.0516   0.0231   0.4329
  13.250   1.1397   0.03217   0.02545   0.0536   0.0227   0.4327
  13.500   1.1427   0.03341   0.02677   0.0556   0.0224   0.4327
  13.750   1.1464   0.03472   0.02816   0.0571   0.0221   0.4325
  14.000   1.1501   0.03609   0.02961   0.0584   0.0217   0.4324
  14.250   1.1508   0.03781   0.03142   0.0594   0.0215   0.4324
  14.500   1.1505   0.03980   0.03350   0.0601   0.0212   0.4323
  14.750   1.1487   0.04207   0.03585   0.0604   0.0210   0.4322
  15.000   1.1457   0.04453   0.03841   0.0603   0.0208   0.4319
  15.250   1.1399   0.04760   0.04158   0.0598   0.0206   0.4319
  15.500   1.1318   0.05115   0.04523   0.0586   0.0204   0.4317
  15.750   1.1216   0.05522   0.04940   0.0571   0.0202   0.4316
  16.000   1.1086   0.05988   0.05417   0.0550   0.0201   0.4316
  16.250   1.0996   0.06435   0.05876   0.0527   0.0199   0.4315
  16.500   1.0871   0.06951   0.06405   0.0500   0.0198   0.4315
  16.750   1.0752   0.07493   0.06960   0.0470   0.0197   0.4314
  17.000   1.0613   0.08083   0.07562   0.0436   0.0196   0.4313
  17.250   1.0469   0.08703   0.08194   0.0400   0.0195   0.4313
  17.500   1.0334   0.09317   0.08820   0.0364   0.0193   0.4312
  17.750   1.0179   0.09978   0.09492   0.0326   0.0192   0.4312
  18.000   1.0033   0.10630   0.10155   0.0287   0.0190   0.4312
  18.250   0.9892   0.11294   0.10829   0.0248   0.0188   0.4313
  18.500   0.9739   0.11989   0.11534   0.0207   0.0186   0.4311
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