St. CYR 172 (Royer) (stcyr172-il) Xfoil prediction polar at RE=200,000 Ncrit=9
| Details | Polar file |
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Airfoil: St. CYR 172 (Royer) (stcyr172-il) Reynolds number: 200,000 Max Cl/Cd: 51.65 at α=7° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-stcyr172-il-200000.txt Download as CSV file: xf-stcyr172-il-200000.csv |
XFOIL Version 6.96
Calculated polar for: St. CYR 172 (Royer)
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-16.250 -0.8920 0.10642 0.10187 -0.0270 1.0000 0.0560
-16.000 -0.9447 0.09305 0.08831 -0.0354 1.0000 0.0553
-15.750 -0.9894 0.08240 0.07743 -0.0424 1.0000 0.0549
-15.500 -1.0235 0.07429 0.06910 -0.0474 1.0000 0.0545
-15.250 -1.0531 0.06756 0.06214 -0.0512 1.0000 0.0545
-15.000 -1.0768 0.06219 0.05654 -0.0535 1.0000 0.0545
-14.750 -1.0959 0.05781 0.05194 -0.0547 1.0000 0.0545
-14.500 -1.1138 0.05403 0.04793 -0.0549 1.0000 0.0548
-14.250 -1.1272 0.05096 0.04463 -0.0542 1.0000 0.0550
-14.000 -1.1408 0.04837 0.04180 -0.0526 1.0000 0.0554
-13.750 -1.1514 0.04619 0.03940 -0.0504 1.0000 0.0557
-13.500 -1.1610 0.04442 0.03740 -0.0474 1.0000 0.0560
-13.250 -1.1589 0.04187 0.03468 -0.0455 1.0000 0.0566
-13.000 -1.1400 0.03958 0.03241 -0.0453 1.0000 0.0578
-12.750 -1.1298 0.03801 0.03078 -0.0437 1.0000 0.0587
-12.500 -1.1216 0.03657 0.02924 -0.0417 1.0000 0.0595
-12.250 -1.1131 0.03519 0.02776 -0.0395 1.0000 0.0604
-12.000 -1.1050 0.03394 0.02638 -0.0371 1.0000 0.0614
-11.750 -1.0978 0.03279 0.02510 -0.0344 1.0000 0.0625
-11.500 -1.0891 0.03173 0.02389 -0.0317 1.0000 0.0634
-11.250 -1.0769 0.03059 0.02261 -0.0296 1.0000 0.0642
-11.000 -1.0554 0.02880 0.02088 -0.0292 1.0000 0.0657
-10.750 -1.0400 0.02767 0.01977 -0.0275 1.0000 0.0670
-10.500 -1.0261 0.02669 0.01878 -0.0255 1.0000 0.0685
-10.250 -1.0128 0.02578 0.01783 -0.0233 1.0000 0.0702
-10.000 -0.9991 0.02494 0.01690 -0.0211 1.0000 0.0717
-9.750 -0.9858 0.02399 0.01591 -0.0188 1.0000 0.0733
-9.500 -0.9753 0.02292 0.01491 -0.0162 1.0000 0.0752
-9.250 -0.9633 0.02210 0.01410 -0.0136 1.0000 0.0772
-9.000 -0.9505 0.02137 0.01334 -0.0110 1.0000 0.0798
-8.750 -0.9370 0.02067 0.01259 -0.0085 1.0000 0.0826
-8.500 -0.9265 0.01982 0.01182 -0.0057 1.0000 0.0863
-8.250 -0.9127 0.01918 0.01116 -0.0032 1.0000 0.0911
-8.000 -0.9003 0.01846 0.01052 -0.0005 1.0000 0.0974
-7.750 -0.8871 0.01779 0.00993 0.0021 1.0000 0.1085
-7.500 -0.8736 0.01716 0.00945 0.0047 1.0000 0.1314
-7.250 -0.8587 0.01669 0.00908 0.0070 1.0000 0.1592
-7.000 -0.8434 0.01633 0.00878 0.0093 1.0000 0.1786
-6.750 -0.8267 0.01606 0.00850 0.0113 1.0000 0.1927
-6.500 -0.8090 0.01586 0.00824 0.0133 1.0000 0.2044
-6.250 -0.7921 0.01560 0.00802 0.0153 1.0000 0.2150
-6.000 -0.7744 0.01536 0.00779 0.0171 1.0000 0.2246
-5.750 -0.7558 0.01520 0.00758 0.0189 1.0000 0.2350
-5.500 -0.7382 0.01495 0.00741 0.0208 1.0000 0.2450
-5.250 -0.7197 0.01476 0.00723 0.0225 1.0000 0.2557
-5.000 -0.7010 0.01459 0.00705 0.0242 1.0000 0.2668
-4.750 -0.6829 0.01438 0.00692 0.0260 1.0000 0.2783
-4.500 -0.6645 0.01421 0.00679 0.0277 1.0000 0.2911
-4.250 -0.6460 0.01407 0.00667 0.0294 1.0000 0.3048
-4.000 -0.6277 0.01396 0.00659 0.0310 1.0000 0.3200
-3.750 -0.5882 0.01392 0.00665 0.0284 0.9948 0.3408
-3.500 -0.5463 0.01385 0.00666 0.0255 0.9878 0.3628
-3.250 -0.5018 0.01379 0.00666 0.0220 0.9817 0.3846
-3.000 -0.4626 0.01358 0.00651 0.0197 0.9731 0.4039
-2.750 -0.4211 0.01333 0.00634 0.0170 0.9654 0.4216
-2.500 -0.3783 0.01303 0.00612 0.0141 0.9576 0.4394
-2.250 -0.3397 0.01271 0.00590 0.0121 0.9482 0.4571
-2.000 -0.2936 0.01234 0.00565 0.0087 0.9418 0.4764
-1.750 -0.2557 0.01197 0.00539 0.0070 0.9315 0.4955
-1.500 -0.2064 0.01152 0.00509 0.0031 0.9256 0.5196
-1.250 -0.1684 0.01111 0.00487 0.0016 0.9132 0.5463
-1.000 -0.1293 0.01070 0.00467 -0.0001 0.8996 0.5806
-0.750 -0.0933 0.01033 0.00450 -0.0011 0.8820 0.6234
-0.500 -0.0604 0.00999 0.00436 -0.0014 0.8595 0.6712
-0.250 -0.0332 0.00969 0.00427 -0.0002 0.8268 0.7228
0.000 0.0000 0.00953 0.00427 0.0000 0.7798 0.7795
0.250 0.0332 0.00969 0.00428 0.0002 0.7228 0.8269
0.500 0.0604 0.00999 0.00436 0.0014 0.6714 0.8595
0.750 0.0932 0.01033 0.00450 0.0012 0.6232 0.8820
1.000 0.1293 0.01070 0.00467 0.0002 0.5805 0.8995
1.250 0.1685 0.01111 0.00487 -0.0016 0.5465 0.9132
1.500 0.2064 0.01152 0.00509 -0.0031 0.5195 0.9256
1.750 0.2554 0.01197 0.00539 -0.0070 0.4955 0.9314
2.000 0.2934 0.01234 0.00564 -0.0087 0.4765 0.9418
2.250 0.3398 0.01271 0.00590 -0.0121 0.4571 0.9482
2.500 0.3788 0.01304 0.00613 -0.0142 0.4395 0.9577
2.750 0.4212 0.01333 0.00634 -0.0170 0.4215 0.9655
3.000 0.4623 0.01357 0.00650 -0.0196 0.4039 0.9730
3.250 0.5018 0.01378 0.00666 -0.0220 0.3845 0.9817
3.500 0.5466 0.01384 0.00666 -0.0255 0.3626 0.9879
3.750 0.5887 0.01391 0.00665 -0.0285 0.3409 0.9949
4.000 0.6277 0.01396 0.00659 -0.0310 0.3201 1.0000
4.250 0.6459 0.01407 0.00667 -0.0293 0.3049 1.0000
4.500 0.6644 0.01421 0.00679 -0.0277 0.2910 1.0000
4.750 0.6828 0.01438 0.00692 -0.0260 0.2782 1.0000
5.000 0.7009 0.01459 0.00705 -0.0242 0.2668 1.0000
5.250 0.7197 0.01476 0.00723 -0.0225 0.2560 1.0000
5.500 0.7381 0.01495 0.00741 -0.0208 0.2451 1.0000
5.750 0.7557 0.01520 0.00758 -0.0189 0.2351 1.0000
6.000 0.7743 0.01536 0.00779 -0.0171 0.2246 1.0000
6.250 0.7920 0.01560 0.00802 -0.0153 0.2151 1.0000
6.500 0.8090 0.01585 0.00824 -0.0133 0.2046 1.0000
6.750 0.8267 0.01606 0.00850 -0.0113 0.1927 1.0000
7.000 0.8434 0.01633 0.00877 -0.0093 0.1785 1.0000
7.250 0.8588 0.01669 0.00908 -0.0070 0.1594 1.0000
7.500 0.8736 0.01716 0.00945 -0.0047 0.1315 1.0000
7.750 0.8871 0.01779 0.00993 -0.0021 0.1086 1.0000
8.000 0.9003 0.01846 0.01052 0.0005 0.0975 1.0000
8.250 0.9128 0.01918 0.01116 0.0032 0.0912 1.0000
8.500 0.9265 0.01982 0.01182 0.0057 0.0864 1.0000
8.750 0.9371 0.02066 0.01259 0.0085 0.0827 1.0000
9.000 0.9505 0.02137 0.01334 0.0110 0.0798 1.0000
9.250 0.9634 0.02210 0.01410 0.0136 0.0773 1.0000
9.500 0.9753 0.02291 0.01491 0.0161 0.0752 1.0000
9.750 0.9860 0.02398 0.01590 0.0188 0.0733 1.0000
10.000 0.9993 0.02493 0.01690 0.0211 0.0718 1.0000
10.250 1.0130 0.02578 0.01783 0.0233 0.0702 1.0000
10.500 1.0265 0.02670 0.01879 0.0255 0.0686 1.0000
10.750 1.0403 0.02767 0.01978 0.0274 0.0671 1.0000
11.000 1.0556 0.02880 0.02089 0.0291 0.0657 1.0000
11.250 1.0768 0.03053 0.02255 0.0296 0.0643 1.0000
11.500 1.0889 0.03171 0.02387 0.0317 0.0633 1.0000
11.750 1.0972 0.03277 0.02509 0.0344 0.0623 1.0000
12.000 1.1055 0.03394 0.02639 0.0370 0.0614 1.0000
12.250 1.1135 0.03519 0.02776 0.0394 0.0604 1.0000
12.500 1.1221 0.03656 0.02924 0.0416 0.0595 1.0000
12.750 1.1304 0.03802 0.03078 0.0436 0.0586 1.0000
13.000 1.1408 0.03957 0.03239 0.0452 0.0578 1.0000
13.250 1.1593 0.04184 0.03465 0.0454 0.0566 1.0000
13.500 1.1600 0.04434 0.03733 0.0475 0.0559 1.0000
13.750 1.1498 0.04608 0.03930 0.0505 0.0556 1.0000
14.000 1.1386 0.04830 0.04175 0.0527 0.0552 1.0000
14.250 1.1278 0.05094 0.04462 0.0541 0.0549 1.0000
14.500 1.1141 0.05406 0.04796 0.0548 0.0547 1.0000
14.750 1.0968 0.05781 0.05194 0.0545 0.0545 1.0000
15.000 1.0767 0.06230 0.05666 0.0533 0.0544 1.0000
15.250 1.0532 0.06768 0.06226 0.0509 0.0544 1.0000
15.500 1.0239 0.07440 0.06922 0.0471 0.0545 1.0000
15.750 0.9887 0.08271 0.07776 0.0419 0.0548 1.0000
16.000 0.9444 0.09338 0.08864 0.0349 0.0553 1.0000
16.250 0.8919 0.10678 0.10223 0.0266 0.0560 1.0000
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