NACA 66(4)-221 (naca664221-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 66(4)-221 (naca664221-il) Reynolds number: 500,000 Max Cl/Cd: 68.63 at α=6.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca664221-il-500000.txt Download as CSV file: xf-naca664221-il-500000.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 = 0.500 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.500 -0.7343 0.09525 0.09169 -0.1038 0.9457 0.0245
-19.250 -0.7638 0.08632 0.08244 -0.1099 0.9359 0.0243
-19.000 -0.7832 0.08028 0.07614 -0.1132 0.9247 0.0242
-18.500 -0.8168 0.07091 0.06631 -0.1158 0.9056 0.0242
-18.000 -0.8376 0.06409 0.05910 -0.1161 0.8908 0.0241
-17.750 -0.8491 0.06045 0.05525 -0.1159 0.8847 0.0242
-17.500 -0.8557 0.05721 0.05180 -0.1155 0.8793 0.0242
-17.250 -0.8582 0.05490 0.04935 -0.1149 0.8738 0.0242
-17.000 -0.8540 0.05227 0.04655 -0.1146 0.8691 0.0244
-16.750 -0.8462 0.05032 0.04448 -0.1143 0.8646 0.0246
-16.500 -0.8378 0.04877 0.04286 -0.1140 0.8601 0.0249
-16.250 -0.8303 0.04701 0.04099 -0.1135 0.8559 0.0249
-16.000 -0.8225 0.04562 0.03953 -0.1130 0.8516 0.0253
-15.750 -0.8120 0.04432 0.03814 -0.1125 0.8476 0.0256
-15.500 -0.8013 0.04297 0.03666 -0.1120 0.8438 0.0258
-15.250 -0.7892 0.04166 0.03526 -0.1115 0.8405 0.0260
-15.000 -0.7757 0.04045 0.03395 -0.1111 0.8372 0.0262
-14.750 -0.7608 0.03932 0.03273 -0.1106 0.8339 0.0264
-14.500 -0.7455 0.03830 0.03161 -0.1102 0.8307 0.0266
-14.250 -0.7301 0.03732 0.03052 -0.1097 0.8276 0.0270
-14.000 -0.7143 0.03644 0.02952 -0.1092 0.8242 0.0273
-13.750 -0.6965 0.03560 0.02862 -0.1089 0.8218 0.0275
-13.500 -0.6811 0.03472 0.02765 -0.1083 0.8191 0.0279
-13.250 -0.6636 0.03393 0.02680 -0.1079 0.8165 0.0281
-13.000 -0.6425 0.03322 0.02608 -0.1076 0.8142 0.0286
-12.750 -0.6264 0.03244 0.02531 -0.1071 0.8118 0.0291
-12.500 -0.6109 0.03168 0.02452 -0.1064 0.8094 0.0297
-12.250 -0.5957 0.03093 0.02372 -0.1057 0.8070 0.0302
-12.000 -0.5803 0.03023 0.02297 -0.1051 0.8047 0.0308
-11.750 -0.5653 0.02948 0.02219 -0.1043 0.8030 0.0315
-11.500 -0.5495 0.02881 0.02147 -0.1037 0.8010 0.0322
-11.250 -0.5369 0.02794 0.02058 -0.1025 0.7990 0.0329
-11.000 -0.5248 0.02709 0.01974 -0.1014 0.7970 0.0338
-10.750 -0.5112 0.02635 0.01899 -0.1004 0.7950 0.0349
-10.500 -0.4967 0.02568 0.01828 -0.0995 0.7932 0.0359
-10.250 -0.4819 0.02503 0.01758 -0.0985 0.7915 0.0367
-10.000 -0.4695 0.02428 0.01680 -0.0972 0.7898 0.0380
-9.750 -0.4570 0.02358 0.01609 -0.0959 0.7880 0.0395
-9.500 -0.4418 0.02306 0.01554 -0.0949 0.7863 0.0412
-9.250 -0.4262 0.02251 0.01497 -0.0939 0.7851 0.0428
-9.000 -0.4140 0.02181 0.01430 -0.0925 0.7838 0.0457
-8.750 -0.3982 0.02130 0.01379 -0.0915 0.7824 0.0490
-8.500 -0.3848 0.02070 0.01323 -0.0901 0.7809 0.0538
-8.250 -0.3715 0.02012 0.01269 -0.0887 0.7794 0.0615
-8.000 -0.3612 0.01941 0.01211 -0.0868 0.7778 0.0807
-7.750 -0.3599 0.01838 0.01139 -0.0838 0.7761 0.1317
-7.500 -0.3623 0.01728 0.01063 -0.0801 0.7746 0.1968
-7.250 -0.3647 0.01624 0.00987 -0.0764 0.7731 0.2537
-7.000 -0.3704 0.01517 0.00907 -0.0720 0.7717 0.3106
-6.750 -0.3824 0.01400 0.00817 -0.0665 0.7702 0.3678
-6.500 -0.3948 0.01302 0.00740 -0.0607 0.7684 0.4169
-6.250 -0.4111 0.01204 0.00665 -0.0539 0.7671 0.4647
-6.000 -0.4344 0.01138 0.00620 -0.0451 0.7656 0.5058
-5.750 -0.4551 0.01095 0.00610 -0.0363 0.7640 0.5616
-5.500 -0.4481 0.01103 0.00645 -0.0323 0.7627 0.6309
-5.250 -0.4287 0.01118 0.00655 -0.0310 0.7617 0.6522
-5.000 -0.4054 0.01140 0.00674 -0.0303 0.7607 0.6654
-4.750 -0.3788 0.01169 0.00702 -0.0302 0.7598 0.6745
-4.500 -0.3551 0.01193 0.00720 -0.0296 0.7589 0.6838
-4.250 -0.3228 0.01250 0.00782 -0.0302 0.7579 0.6930
-4.000 -0.2993 0.01293 0.00819 -0.0294 0.7569 0.7030
-3.750 -0.2589 0.01378 0.00913 -0.0313 0.7563 0.7091
-3.500 -0.2238 0.01448 0.00984 -0.0323 0.7557 0.7143
-3.250 -0.2015 0.01471 0.01001 -0.0316 0.7549 0.7205
-3.000 -0.1700 0.01501 0.01031 -0.0323 0.7542 0.7233
-2.750 -0.1357 0.01544 0.01075 -0.0335 0.7537 0.7251
-2.500 -0.1014 0.01592 0.01123 -0.0346 0.7531 0.7270
-2.250 -0.0699 0.01625 0.01156 -0.0354 0.7525 0.7287
-2.000 -0.0424 0.01641 0.01169 -0.0356 0.7519 0.7305
-1.750 -0.0182 0.01644 0.01170 -0.0354 0.7511 0.7327
-1.500 0.0014 0.01642 0.01163 -0.0346 0.7500 0.7358
-1.250 0.0149 0.01631 0.01147 -0.0329 0.7489 0.7394
-1.000 0.0370 0.01639 0.01160 -0.0323 0.7480 0.7413
-0.750 0.0595 0.01665 0.01189 -0.0316 0.7467 0.7426
-0.500 0.0807 0.01686 0.01213 -0.0308 0.7448 0.7438
-0.250 0.1017 0.01701 0.01230 -0.0300 0.7430 0.7450
0.000 0.1236 0.01711 0.01241 -0.0294 0.7413 0.7463
0.250 0.1471 0.01717 0.01247 -0.0291 0.7399 0.7475
0.500 0.1718 0.01718 0.01249 -0.0290 0.7386 0.7488
0.750 0.1973 0.01712 0.01242 -0.0290 0.7374 0.7501
1.000 0.2242 0.01702 0.01231 -0.0293 0.7363 0.7514
1.250 0.2540 0.01684 0.01210 -0.0301 0.7352 0.7526
1.500 0.2851 0.01661 0.01185 -0.0312 0.7341 0.7534
1.750 0.3165 0.01642 0.01164 -0.0323 0.7330 0.7543
2.000 0.3390 0.01650 0.01172 -0.0319 0.7311 0.7552
2.250 0.3264 0.01717 0.01246 -0.0255 0.7248 0.7571
2.500 0.3505 0.01713 0.01242 -0.0253 0.7226 0.7578
2.750 0.3822 0.01692 0.01221 -0.0264 0.7212 0.7582
3.000 0.4156 0.01657 0.01187 -0.0277 0.7198 0.7589
3.250 0.4538 0.01612 0.01142 -0.0299 0.7186 0.7595
3.500 0.4944 0.01564 0.01094 -0.0324 0.7174 0.7600
3.750 0.5329 0.01526 0.01057 -0.0346 0.7160 0.7605
4.000 0.5718 0.01501 0.01032 -0.0369 0.7144 0.7611
4.250 0.5726 0.01522 0.01063 -0.0323 0.7085 0.7621
4.500 0.6048 0.01481 0.01025 -0.0332 0.7048 0.7628
4.750 0.6503 0.01402 0.00944 -0.0364 0.7013 0.7633
5.000 0.7028 0.01323 0.00860 -0.0409 0.6972 0.7637
5.250 0.7117 0.01308 0.00854 -0.0374 0.6896 0.7650
5.500 0.7544 0.01221 0.00760 -0.0400 0.6806 0.7657
5.750 0.7625 0.01202 0.00750 -0.0363 0.6711 0.7669
6.000 0.7908 0.01165 0.00711 -0.0364 0.6626 0.7678
6.250 0.7883 0.01163 0.00718 -0.0307 0.6531 0.7692
6.500 0.7920 0.01154 0.00712 -0.0262 0.6419 0.7706
6.750 0.7904 0.01176 0.00736 -0.0211 0.6259 0.7721
7.000 0.7891 0.01205 0.00758 -0.0161 0.5934 0.7737
7.250 0.7770 0.01276 0.00797 -0.0095 0.5436 0.7752
7.500 0.7617 0.01391 0.00887 -0.0029 0.5022 0.7766
7.750 0.7459 0.01523 0.00997 0.0034 0.4610 0.7781
8.000 0.7349 0.01649 0.01106 0.0086 0.4233 0.7799
8.250 0.7239 0.01790 0.01228 0.0136 0.3820 0.7815
8.500 0.7168 0.01929 0.01348 0.0178 0.3424 0.7831
8.750 0.7119 0.02069 0.01468 0.0216 0.3007 0.7847
9.000 0.7105 0.02200 0.01577 0.0248 0.2574 0.7864
9.250 0.7094 0.02337 0.01690 0.0278 0.2124 0.7881
9.500 0.7089 0.02476 0.01800 0.0306 0.1621 0.7901
9.750 0.7093 0.02618 0.01913 0.0331 0.1140 0.7919
10.000 0.7125 0.02751 0.02021 0.0353 0.0772 0.7936
10.250 0.7203 0.02864 0.02120 0.0369 0.0560 0.7951
10.500 0.7312 0.02965 0.02213 0.0381 0.0472 0.7965
10.750 0.7439 0.03051 0.02299 0.0391 0.0427 0.7984
11.000 0.7556 0.03145 0.02396 0.0403 0.0391 0.8003
11.250 0.7685 0.03235 0.02489 0.0412 0.0367 0.8022
11.500 0.7787 0.03346 0.02602 0.0424 0.0342 0.8041
11.750 0.7917 0.03442 0.02702 0.0432 0.0323 0.8062
12.000 0.8000 0.03571 0.02832 0.0444 0.0308 0.8083
12.250 0.8121 0.03679 0.02945 0.0452 0.0300 0.8105
12.500 0.8247 0.03784 0.03054 0.0459 0.0285 0.8128
12.750 0.8360 0.03901 0.03173 0.0466 0.0277 0.8149
13.000 0.8408 0.04066 0.03338 0.0478 0.0265 0.8171
13.250 0.8523 0.04181 0.03463 0.0485 0.0258 0.8197
13.500 0.8631 0.04305 0.03594 0.0492 0.0255 0.8223
13.750 0.8741 0.04430 0.03725 0.0498 0.0250 0.8250
14.000 0.8846 0.04564 0.03864 0.0504 0.0241 0.8278
14.250 0.8943 0.04706 0.04009 0.0510 0.0235 0.8308
14.500 0.9043 0.04850 0.04155 0.0514 0.0233 0.8335
14.750 0.9128 0.05001 0.04309 0.0521 0.0229 0.8365
15.000 0.9230 0.05140 0.04455 0.0526 0.0225 0.8396
15.250 0.9338 0.05280 0.04606 0.0530 0.0222 0.8430
15.500 0.9452 0.05417 0.04751 0.0533 0.0220 0.8467
15.750 0.9566 0.05558 0.04899 0.0536 0.0216 0.8504
16.000 0.9678 0.05702 0.05050 0.0538 0.0214 0.8542
16.250 0.9784 0.05845 0.05204 0.0541 0.0212 0.8584
16.500 0.9878 0.06004 0.05371 0.0544 0.0207 0.8628
16.750 0.9989 0.06155 0.05529 0.0545 0.0206 0.8674
17.000 1.0104 0.06301 0.05684 0.0546 0.0206 0.8719
17.250 1.0192 0.06468 0.05861 0.0548 0.0203 0.8768
17.500 1.0280 0.06640 0.06041 0.0548 0.0201 0.8824
18.000 1.0475 0.06971 0.06386 0.0549 0.0197 0.8942
18.250 1.0567 0.07146 0.06572 0.0550 0.0197 0.9012
18.500 1.0726 0.07267 0.06698 0.0551 0.0193 0.9073
18.750 1.0744 0.07523 0.06972 0.0551 0.0192 0.9160
19.000 1.0661 0.07882 0.07354 0.0548 0.0190 0.9278
19.250 1.0738 0.08120 0.07606 0.0542 0.0191 0.9399
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