St. CYR 172 (Royer) (stcyr172-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9
| Details | Polar file |
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Airfoil: St. CYR 172 (Royer) (stcyr172-il) Reynolds number: 1,000,000 Max Cl/Cd: 74.24 at α=8.75° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-stcyr172-il-1000000.txt Download as CSV file: xf-stcyr172-il-1000000.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 = 1.000 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-18.750 -1.2370 0.08633 0.08265 -0.0269 1.0000 0.0251
-18.500 -1.2463 0.08155 0.07780 -0.0290 1.0000 0.0253
-18.250 -1.2561 0.07678 0.07296 -0.0312 1.0000 0.0255
-18.000 -1.2641 0.07224 0.06835 -0.0333 1.0000 0.0258
-17.750 -1.2752 0.06752 0.06354 -0.0353 1.0000 0.0259
-17.500 -1.2843 0.06304 0.05897 -0.0373 1.0000 0.0261
-17.250 -1.2913 0.05882 0.05466 -0.0391 1.0000 0.0264
-17.000 -1.2979 0.05474 0.05049 -0.0408 1.0000 0.0266
-16.750 -1.3048 0.05061 0.04626 -0.0426 1.0000 0.0267
-16.500 -1.3051 0.04732 0.04288 -0.0440 1.0000 0.0271
-16.250 -1.3067 0.04400 0.03946 -0.0452 1.0000 0.0273
-16.000 -1.3045 0.04122 0.03658 -0.0462 1.0000 0.0275
-15.750 -1.3001 0.03882 0.03410 -0.0469 1.0000 0.0277
-15.500 -1.3054 0.03559 0.03077 -0.0474 1.0000 0.0280
-15.250 -1.3127 0.03243 0.02751 -0.0475 1.0000 0.0284
-15.000 -1.3132 0.03016 0.02518 -0.0470 1.0000 0.0287
-14.750 -1.3094 0.02847 0.02342 -0.0461 1.0000 0.0290
-14.500 -1.3015 0.02721 0.02213 -0.0451 1.0000 0.0295
-14.250 -1.2944 0.02599 0.02085 -0.0438 1.0000 0.0298
-14.000 -1.2868 0.02489 0.01970 -0.0422 1.0000 0.0302
-13.750 -1.2772 0.02399 0.01875 -0.0406 1.0000 0.0306
-13.500 -1.2676 0.02315 0.01785 -0.0387 1.0000 0.0310
-13.250 -1.2575 0.02241 0.01705 -0.0367 1.0000 0.0314
-13.000 -1.2469 0.02175 0.01633 -0.0346 1.0000 0.0317
-12.750 -1.2347 0.02121 0.01574 -0.0324 1.0000 0.0320
-12.500 -1.2274 0.02053 0.01500 -0.0295 1.0000 0.0324
-12.250 -1.2288 0.01963 0.01405 -0.0250 1.0000 0.0330
-12.000 -1.2247 0.01906 0.01344 -0.0209 1.0000 0.0334
-11.750 -1.2144 0.01855 0.01291 -0.0180 1.0000 0.0339
-11.500 -1.1999 0.01811 0.01245 -0.0157 1.0000 0.0345
-11.250 -1.1849 0.01769 0.01201 -0.0135 1.0000 0.0350
-11.000 -1.1696 0.01728 0.01156 -0.0113 1.0000 0.0356
-10.750 -1.1540 0.01687 0.01112 -0.0092 1.0000 0.0361
-10.500 -1.1373 0.01651 0.01072 -0.0071 1.0000 0.0366
-10.250 -1.1201 0.01618 0.01035 -0.0052 1.0000 0.0370
-10.000 -1.1068 0.01562 0.00975 -0.0026 1.0000 0.0378
-9.750 -1.0925 0.01511 0.00922 -0.0001 1.0000 0.0387
-9.500 -1.0763 0.01473 0.00883 0.0021 1.0000 0.0395
-9.250 -1.0596 0.01441 0.00850 0.0042 1.0000 0.0402
-9.000 -1.0438 0.01411 0.00817 0.0065 1.0000 0.0409
-8.750 -1.0290 0.01385 0.00790 0.0090 1.0000 0.0417
-8.500 -0.9956 0.01357 0.00758 0.0077 0.9987 0.0425
-8.250 -0.9623 0.01308 0.00707 0.0063 0.9967 0.0441
-8.000 -0.9281 0.01268 0.00668 0.0048 0.9948 0.0459
-7.750 -0.8933 0.01237 0.00637 0.0032 0.9932 0.0475
-7.500 -0.8616 0.01207 0.00605 0.0024 0.9904 0.0488
-7.250 -0.8300 0.01166 0.00563 0.0015 0.9875 0.0513
-7.000 -0.7972 0.01129 0.00528 0.0004 0.9851 0.0542
-6.750 -0.7633 0.01096 0.00495 -0.0009 0.9832 0.0581
-6.500 -0.7326 0.01051 0.00456 -0.0016 0.9799 0.0661
-6.250 -0.7079 0.00965 0.00403 -0.0013 0.9742 0.1174
-6.000 -0.6752 0.00928 0.00379 -0.0024 0.9711 0.1395
-5.750 -0.6449 0.00902 0.00358 -0.0028 0.9657 0.1505
-5.500 -0.6142 0.00882 0.00338 -0.0033 0.9595 0.1576
-5.250 -0.5797 0.00855 0.00318 -0.0046 0.9562 0.1674
-5.000 -0.5469 0.00836 0.00300 -0.0056 0.9501 0.1757
-4.750 -0.5082 0.00812 0.00282 -0.0078 0.9452 0.1861
-4.500 -0.4676 0.00787 0.00263 -0.0105 0.9400 0.1991
-4.250 -0.4300 0.00763 0.00245 -0.0126 0.9314 0.2151
-4.000 -0.3928 0.00741 0.00229 -0.0145 0.9218 0.2348
-3.750 -0.3604 0.00722 0.00215 -0.0154 0.9105 0.2546
-3.500 -0.3332 0.00706 0.00206 -0.0151 0.8985 0.2761
-3.250 -0.3063 0.00696 0.00198 -0.0147 0.8865 0.2933
-3.000 -0.2801 0.00688 0.00191 -0.0142 0.8731 0.3080
-2.750 -0.2548 0.00681 0.00185 -0.0134 0.8574 0.3221
-2.500 -0.2303 0.00674 0.00178 -0.0124 0.8339 0.3358
-2.250 -0.2087 0.00675 0.00168 -0.0107 0.7818 0.3482
-2.000 -0.1886 0.00689 0.00162 -0.0087 0.7241 0.3582
-1.750 -0.1660 0.00698 0.00159 -0.0074 0.6859 0.3683
-1.500 -0.1429 0.00706 0.00156 -0.0061 0.6471 0.3766
-1.250 -0.1205 0.00718 0.00153 -0.0048 0.5950 0.3854
-1.000 -0.0984 0.00735 0.00151 -0.0034 0.5371 0.3935
-0.750 -0.0750 0.00745 0.00150 -0.0023 0.4977 0.4032
-0.500 -0.0502 0.00751 0.00149 -0.0015 0.4714 0.4133
-0.250 -0.0251 0.00754 0.00149 -0.0007 0.4524 0.4249
0.000 0.0000 0.00754 0.00149 0.0000 0.4377 0.4377
0.250 0.0251 0.00754 0.00149 0.0008 0.4249 0.4524
0.500 0.0502 0.00750 0.00149 0.0015 0.4135 0.4713
0.750 0.0749 0.00745 0.00150 0.0023 0.4032 0.4978
1.000 0.0984 0.00735 0.00151 0.0034 0.3934 0.5372
1.250 0.1205 0.00718 0.00153 0.0048 0.3853 0.5947
1.500 0.1430 0.00706 0.00156 0.0061 0.3765 0.6460
1.750 0.1659 0.00697 0.00159 0.0074 0.3683 0.6867
2.000 0.1885 0.00689 0.00162 0.0087 0.3583 0.7244
2.250 0.2087 0.00675 0.00168 0.0107 0.3479 0.7810
2.500 0.2303 0.00674 0.00178 0.0123 0.3359 0.8334
2.750 0.2548 0.00680 0.00185 0.0134 0.3227 0.8574
3.000 0.2802 0.00687 0.00191 0.0141 0.3090 0.8731
3.250 0.3063 0.00696 0.00198 0.0147 0.2934 0.8864
3.500 0.3332 0.00706 0.00206 0.0151 0.2763 0.8988
3.750 0.3604 0.00722 0.00215 0.0154 0.2546 0.9105
4.000 0.3926 0.00741 0.00229 0.0146 0.2349 0.9213
4.250 0.4299 0.00763 0.00245 0.0126 0.2152 0.9314
4.500 0.4675 0.00787 0.00263 0.0106 0.1986 0.9400
4.750 0.5085 0.00812 0.00282 0.0078 0.1860 0.9453
5.000 0.5470 0.00835 0.00300 0.0055 0.1759 0.9503
5.250 0.5797 0.00855 0.00318 0.0046 0.1676 0.9563
5.500 0.6142 0.00882 0.00338 0.0032 0.1576 0.9596
5.750 0.6450 0.00901 0.00357 0.0028 0.1505 0.9656
6.000 0.6752 0.00928 0.00379 0.0024 0.1394 0.9711
6.250 0.7080 0.00965 0.00403 0.0013 0.1171 0.9742
6.500 0.7328 0.01050 0.00456 0.0015 0.0666 0.9799
6.750 0.7632 0.01096 0.00495 0.0009 0.0580 0.9832
7.000 0.7972 0.01129 0.00528 -0.0004 0.0542 0.9851
7.250 0.8302 0.01165 0.00563 -0.0016 0.0514 0.9875
7.500 0.8616 0.01208 0.00605 -0.0024 0.0488 0.9904
7.750 0.8931 0.01237 0.00637 -0.0032 0.0474 0.9932
8.000 0.9279 0.01268 0.00668 -0.0048 0.0459 0.9947
8.250 0.9623 0.01307 0.00707 -0.0063 0.0442 0.9967
8.500 0.9958 0.01356 0.00758 -0.0077 0.0425 0.9987
8.750 1.0289 0.01386 0.00790 -0.0090 0.0417 1.0000
9.000 1.0436 0.01411 0.00818 -0.0065 0.0410 1.0000
9.250 1.0596 0.01441 0.00850 -0.0042 0.0402 1.0000
9.500 1.0762 0.01473 0.00884 -0.0020 0.0395 1.0000
9.750 1.0926 0.01510 0.00921 0.0001 0.0387 1.0000
10.000 1.1069 0.01561 0.00974 0.0026 0.0378 1.0000
10.250 1.1198 0.01619 0.01036 0.0052 0.0370 1.0000
10.500 1.1374 0.01651 0.01072 0.0071 0.0366 1.0000
10.750 1.1538 0.01688 0.01113 0.0092 0.0362 1.0000
11.000 1.1697 0.01727 0.01155 0.0113 0.0356 1.0000
11.250 1.1858 0.01765 0.01196 0.0134 0.0350 1.0000
11.500 1.2002 0.01810 0.01244 0.0157 0.0345 1.0000
11.750 1.2145 0.01855 0.01291 0.0180 0.0339 1.0000
12.000 1.2248 0.01906 0.01345 0.0209 0.0334 1.0000
12.250 1.2290 0.01964 0.01405 0.0249 0.0330 1.0000
12.500 1.2287 0.02049 0.01496 0.0293 0.0324 1.0000
12.750 1.2357 0.02118 0.01571 0.0323 0.0320 1.0000
13.000 1.2451 0.02185 0.01644 0.0348 0.0318 1.0000
13.250 1.2581 0.02240 0.01704 0.0366 0.0314 1.0000
13.500 1.2688 0.02312 0.01781 0.0386 0.0310 1.0000
13.750 1.2781 0.02397 0.01873 0.0404 0.0306 1.0000
14.000 1.2871 0.02491 0.01972 0.0421 0.0302 1.0000
14.250 1.2962 0.02592 0.02077 0.0436 0.0298 1.0000
14.500 1.3023 0.02720 0.02211 0.0450 0.0295 1.0000
14.750 1.3110 0.02840 0.02335 0.0460 0.0290 1.0000
15.000 1.3136 0.03019 0.02521 0.0469 0.0287 1.0000
15.250 1.3130 0.03247 0.02756 0.0473 0.0283 1.0000
15.500 1.3056 0.03566 0.03084 0.0472 0.0279 1.0000
15.750 1.3030 0.03863 0.03390 0.0467 0.0277 1.0000
16.000 1.3064 0.04113 0.03650 0.0460 0.0275 1.0000
16.250 1.3065 0.04415 0.03961 0.0450 0.0273 1.0000
16.500 1.3071 0.04723 0.04279 0.0438 0.0271 1.0000
16.750 1.3039 0.05085 0.04650 0.0423 0.0268 1.0000
17.000 1.2989 0.05477 0.05052 0.0406 0.0266 1.0000
17.250 1.2924 0.05886 0.05470 0.0389 0.0264 1.0000
17.500 1.2847 0.06314 0.05907 0.0370 0.0262 1.0000
17.750 1.2760 0.06759 0.06361 0.0351 0.0260 1.0000
18.000 1.2662 0.07220 0.06830 0.0331 0.0258 1.0000
18.250 1.2573 0.07680 0.07298 0.0310 0.0256 1.0000
18.500 1.2496 0.08139 0.07763 0.0288 0.0252 1.0000
18.750 1.2395 0.08624 0.08256 0.0266 0.0251 1.0000
19.000 1.2312 0.09102 0.08741 0.0243 0.0249 1.0000
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