NACA 66(4)-221 (naca664221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 66(4)-221 (naca664221-il) Reynolds number: 1,000,000 Max Cl/Cd: 91.74 at α=4.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca664221-il-1000000-n5.txt Download as CSV file: xf-naca664221-il-1000000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 66(4)-221
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 1.000 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -0.9605 0.06708 0.06205 -0.1052 0.8285 0.0139
-19.500 -0.9612 0.06417 0.05903 -0.1059 0.8241 0.0138
-19.250 -0.9577 0.06172 0.05650 -0.1066 0.8206 0.0140
-19.000 -0.9548 0.05929 0.05398 -0.1071 0.8168 0.0140
-18.750 -0.9506 0.05706 0.05166 -0.1075 0.8127 0.0142
-18.500 -0.9471 0.05483 0.04933 -0.1078 0.8087 0.0142
-18.250 -0.9454 0.05249 0.04690 -0.1078 0.8049 0.0142
-18.000 -0.9384 0.05065 0.04498 -0.1080 0.8019 0.0143
-17.750 -0.9330 0.04874 0.04300 -0.1080 0.7986 0.0143
-17.500 -0.9250 0.04711 0.04130 -0.1079 0.7951 0.0144
-17.250 -0.9189 0.04538 0.03948 -0.1077 0.7916 0.0145
-17.000 -0.9127 0.04370 0.03773 -0.1073 0.7882 0.0145
-16.750 -0.9069 0.04201 0.03598 -0.1069 0.7854 0.0148
-16.500 -0.8992 0.04051 0.03442 -0.1065 0.7828 0.0148
-16.250 -0.8911 0.03908 0.03294 -0.1060 0.7800 0.0149
-16.000 -0.8811 0.03784 0.03164 -0.1055 0.7771 0.0151
-15.750 -0.8701 0.03668 0.03043 -0.1050 0.7741 0.0152
-15.500 -0.8598 0.03552 0.02921 -0.1044 0.7710 0.0154
-15.000 -0.8362 0.03345 0.02705 -0.1033 0.7659 0.0156
-14.750 -0.8240 0.03245 0.02601 -0.1027 0.7636 0.0158
-14.500 -0.8108 0.03155 0.02507 -0.1021 0.7612 0.0160
-14.250 -0.7971 0.03069 0.02417 -0.1015 0.7587 0.0163
-14.000 -0.7837 0.02983 0.02326 -0.1008 0.7563 0.0164
-13.750 -0.7702 0.02901 0.02238 -0.1001 0.7540 0.0165
-13.500 -0.7550 0.02830 0.02162 -0.0994 0.7517 0.0169
-13.250 -0.7405 0.02757 0.02085 -0.0987 0.7495 0.0171
-13.000 -0.7259 0.02681 0.02006 -0.0981 0.7481 0.0172
-12.750 -0.7104 0.02613 0.01934 -0.0974 0.7466 0.0174
-12.500 -0.6958 0.02540 0.01860 -0.0966 0.7448 0.0178
-12.250 -0.6803 0.02474 0.01793 -0.0959 0.7430 0.0182
-12.000 -0.6644 0.02413 0.01729 -0.0951 0.7412 0.0185
-11.750 -0.6487 0.02351 0.01665 -0.0944 0.7394 0.0189
-11.500 -0.6316 0.02298 0.01609 -0.0937 0.7378 0.0193
-11.250 -0.6146 0.02246 0.01554 -0.0930 0.7360 0.0198
-11.000 -0.5972 0.02197 0.01501 -0.0923 0.7343 0.0203
-10.750 -0.5807 0.02144 0.01446 -0.0914 0.7325 0.0211
-10.500 -0.5639 0.02092 0.01394 -0.0906 0.7313 0.0217
-10.250 -0.5461 0.02044 0.01345 -0.0899 0.7303 0.0221
-10.000 -0.5278 0.01999 0.01300 -0.0893 0.7292 0.0229
-9.750 -0.5095 0.01956 0.01255 -0.0886 0.7280 0.0236
-9.500 -0.4912 0.01913 0.01211 -0.0879 0.7268 0.0244
-9.250 -0.4738 0.01867 0.01165 -0.0870 0.7255 0.0252
-9.000 -0.4558 0.01826 0.01124 -0.0862 0.7243 0.0264
-8.750 -0.4370 0.01788 0.01085 -0.0855 0.7231 0.0276
-8.500 -0.4185 0.01750 0.01047 -0.0847 0.7219 0.0287
-8.250 -0.4005 0.01711 0.01007 -0.0838 0.7207 0.0301
-8.000 -0.3822 0.01674 0.00970 -0.0830 0.7195 0.0317
-7.750 -0.3641 0.01637 0.00933 -0.0821 0.7184 0.0339
-7.500 -0.3455 0.01603 0.00898 -0.0812 0.7172 0.0364
-7.250 -0.3276 0.01567 0.00863 -0.0802 0.7160 0.0402
-7.000 -0.3110 0.01527 0.00827 -0.0790 0.7147 0.0475
-6.750 -0.2956 0.01481 0.00788 -0.0777 0.7139 0.0599
-6.500 -0.2807 0.01435 0.00750 -0.0762 0.7130 0.0759
-6.250 -0.2676 0.01383 0.00708 -0.0745 0.7122 0.0967
-6.000 -0.2588 0.01319 0.00660 -0.0720 0.7112 0.1309
-5.750 -0.2503 0.01256 0.00613 -0.0695 0.7103 0.1644
-5.500 -0.2450 0.01187 0.00561 -0.0664 0.7094 0.2043
-5.250 -0.2395 0.01122 0.00512 -0.0633 0.7084 0.2410
-5.000 -0.2334 0.01062 0.00465 -0.0601 0.7074 0.2735
-4.750 -0.2321 0.00995 0.00414 -0.0561 0.7063 0.3123
-4.500 -0.2369 0.00925 0.00361 -0.0507 0.7052 0.3543
-4.250 -0.2494 0.00877 0.00328 -0.0434 0.7041 0.3953
-4.000 -0.2561 0.00804 0.00285 -0.0374 0.7030 0.4694
-3.750 -0.2601 0.00710 0.00237 -0.0319 0.7020 0.5723
-3.500 -0.2407 0.00690 0.00237 -0.0306 0.7012 0.6366
-3.250 -0.2131 0.00692 0.00238 -0.0308 0.7005 0.6528
-3.000 -0.1848 0.00695 0.00242 -0.0312 0.6998 0.6614
-2.750 -0.1560 0.00700 0.00241 -0.0317 0.6991 0.6678
-2.500 -0.1272 0.00703 0.00247 -0.0321 0.6983 0.6737
-2.250 -0.0980 0.00708 0.00251 -0.0327 0.6976 0.6780
-2.000 -0.0687 0.00714 0.00254 -0.0333 0.6969 0.6818
-1.750 -0.0396 0.00717 0.00254 -0.0338 0.6965 0.6843
-1.500 -0.0104 0.00718 0.00254 -0.0344 0.6961 0.6862
-1.250 0.0190 0.00717 0.00255 -0.0350 0.6957 0.6887
-1.000 0.0483 0.00718 0.00257 -0.0357 0.6951 0.6904
-0.750 0.0776 0.00719 0.00258 -0.0363 0.6945 0.6916
-0.500 0.1069 0.00719 0.00258 -0.0369 0.6939 0.6923
-0.250 0.1363 0.00719 0.00258 -0.0376 0.6933 0.6929
0.000 0.1657 0.00720 0.00259 -0.0382 0.6928 0.6935
0.250 0.1950 0.00721 0.00260 -0.0389 0.6922 0.6941
0.500 0.2244 0.00722 0.00262 -0.0395 0.6916 0.6946
0.750 0.2537 0.00723 0.00264 -0.0401 0.6910 0.6952
1.000 0.2830 0.00724 0.00266 -0.0408 0.6904 0.6958
1.250 0.3121 0.00725 0.00268 -0.0414 0.6893 0.6964
1.500 0.3410 0.00723 0.00266 -0.0419 0.6871 0.6970
1.750 0.3697 0.00721 0.00264 -0.0424 0.6846 0.6977
2.000 0.3987 0.00722 0.00263 -0.0429 0.6822 0.6984
2.250 0.4282 0.00726 0.00266 -0.0436 0.6800 0.6991
2.500 0.4558 0.00724 0.00268 -0.0438 0.6779 0.6997
2.750 0.4833 0.00723 0.00270 -0.0441 0.6749 0.7003
3.000 0.5112 0.00722 0.00271 -0.0444 0.6720 0.7009
3.250 0.5391 0.00722 0.00273 -0.0447 0.6692 0.7014
3.500 0.5666 0.00722 0.00271 -0.0449 0.6649 0.7019
3.750 0.5929 0.00722 0.00274 -0.0449 0.6597 0.7024
4.000 0.6187 0.00722 0.00276 -0.0448 0.6524 0.7028
4.250 0.6434 0.00723 0.00277 -0.0445 0.6446 0.7033
4.500 0.6651 0.00725 0.00278 -0.0435 0.6290 0.7043
4.750 0.6694 0.00745 0.00284 -0.0390 0.5827 0.7054
5.000 0.6409 0.00808 0.00324 -0.0280 0.5354 0.7069
5.250 0.6236 0.00896 0.00395 -0.0199 0.4940 0.7082
5.500 0.6062 0.01005 0.00485 -0.0124 0.4501 0.7094
5.750 0.5956 0.01113 0.00577 -0.0064 0.4104 0.7107
6.000 0.5851 0.01234 0.00678 -0.0007 0.3645 0.7119
6.250 0.5782 0.01353 0.00776 0.0042 0.3216 0.7131
6.500 0.5802 0.01447 0.00855 0.0076 0.2877 0.7142
6.750 0.5814 0.01547 0.00938 0.0110 0.2505 0.7153
7.000 0.5841 0.01645 0.01017 0.0142 0.2107 0.7164
7.250 0.5877 0.01745 0.01098 0.0170 0.1731 0.7174
7.500 0.5972 0.01823 0.01164 0.0190 0.1456 0.7183
7.750 0.6016 0.01927 0.01246 0.0217 0.1060 0.7193
8.000 0.6132 0.02003 0.01311 0.0233 0.0859 0.7201
8.250 0.6259 0.02076 0.01375 0.0247 0.0678 0.7210
8.500 0.6406 0.02139 0.01432 0.0259 0.0549 0.7223
8.750 0.6547 0.02207 0.01495 0.0271 0.0437 0.7238
9.000 0.6703 0.02269 0.01556 0.0281 0.0371 0.7253
9.250 0.6867 0.02328 0.01613 0.0290 0.0327 0.7265
9.500 0.7036 0.02385 0.01670 0.0297 0.0297 0.7278
9.750 0.7208 0.02443 0.01728 0.0305 0.0275 0.7291
10.000 0.7375 0.02504 0.01791 0.0312 0.0257 0.7305
10.250 0.7544 0.02566 0.01854 0.0319 0.0244 0.7319
10.500 0.7708 0.02631 0.01918 0.0326 0.0228 0.7332
10.750 0.7883 0.02691 0.01980 0.0332 0.0219 0.7346
11.000 0.8052 0.02755 0.02044 0.0338 0.0203 0.7360
11.250 0.8210 0.02827 0.02117 0.0345 0.0195 0.7373
11.500 0.8371 0.02898 0.02190 0.0351 0.0184 0.7385
11.750 0.8536 0.02968 0.02261 0.0357 0.0174 0.7395
12.000 0.8693 0.03042 0.02337 0.0364 0.0166 0.7414
12.250 0.8849 0.03116 0.02413 0.0370 0.0162 0.7433
12.500 0.9002 0.03195 0.02496 0.0376 0.0156 0.7452
12.750 0.9152 0.03277 0.02581 0.0382 0.0153 0.7472
13.000 0.9299 0.03362 0.02669 0.0388 0.0145 0.7490
13.250 0.9445 0.03449 0.02759 0.0394 0.0140 0.7510
13.500 0.9592 0.03537 0.02850 0.0400 0.0139 0.7530
13.750 0.9723 0.03639 0.02954 0.0406 0.0136 0.7548
14.000 0.9855 0.03740 0.03059 0.0412 0.0131 0.7566
14.250 0.9996 0.03838 0.03160 0.0416 0.0127 0.7581
14.500 1.0127 0.03941 0.03269 0.0422 0.0127 0.7605
14.750 1.0246 0.04056 0.03388 0.0427 0.0125 0.7630
15.000 1.0366 0.04172 0.03510 0.0432 0.0123 0.7655
15.250 1.0494 0.04284 0.03626 0.0437 0.0120 0.7681
15.500 1.0602 0.04414 0.03762 0.0442 0.0119 0.7706
15.750 1.0708 0.04548 0.03900 0.0446 0.0117 0.7731
16.000 1.0815 0.04684 0.04040 0.0450 0.0116 0.7754
16.250 1.0905 0.04838 0.04198 0.0454 0.0114 0.7775
16.500 1.0984 0.05001 0.04367 0.0458 0.0111 0.7805
16.750 1.1067 0.05165 0.04538 0.0461 0.0110 0.7835
17.000 1.1142 0.05340 0.04720 0.0464 0.0111 0.7868
17.250 1.1201 0.05534 0.04920 0.0467 0.0109 0.7901
17.500 1.1285 0.05709 0.05103 0.0467 0.0109 0.7932
17.750 1.1369 0.05887 0.05286 0.0467 0.0108 0.7961
18.000 1.1411 0.06110 0.05519 0.0467 0.0107 0.7996
18.250 1.1464 0.06326 0.05743 0.0467 0.0107 0.8031
18.500 1.1524 0.06540 0.05965 0.0465 0.0106 0.8071
18.750 1.1573 0.06770 0.06202 0.0462 0.0105 0.8108
19.000 1.1612 0.07016 0.06457 0.0459 0.0104 0.8140
19.250 1.1621 0.07301 0.06751 0.0454 0.0104 0.8172
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