NACA 64(4)-221 (naca644221-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 64(4)-221 (naca644221-il) Reynolds number: 500,000 Max Cl/Cd: 90.72 at α=8.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca644221-il-500000.txt Download as CSV file: xf-naca644221-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 64(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
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0626 0.08771 0.08267 -0.0510 1.0000 0.0296
-19.500 -1.0628 0.08438 0.07921 -0.0523 1.0000 0.0298
-19.250 -1.0551 0.08243 0.07723 -0.0526 1.0000 0.0301
-19.000 -1.0461 0.08072 0.07552 -0.0528 1.0000 0.0305
-18.750 -1.0388 0.07865 0.07343 -0.0534 1.0000 0.0309
-18.500 -1.0326 0.07638 0.07113 -0.0541 1.0000 0.0312
-18.250 -1.0266 0.07407 0.06878 -0.0548 1.0000 0.0316
-18.000 -1.0200 0.07190 0.06657 -0.0553 1.0000 0.0320
-17.750 -1.0134 0.06971 0.06432 -0.0559 1.0000 0.0325
-17.500 -1.0075 0.06746 0.06200 -0.0564 1.0000 0.0330
-17.250 -1.0001 0.06543 0.05990 -0.0569 1.0000 0.0334
-17.000 -0.9937 0.06321 0.05758 -0.0574 1.0000 0.0339
-16.750 -0.9848 0.06151 0.05585 -0.0575 1.0000 0.0343
-16.500 -0.9764 0.05987 0.05423 -0.0574 1.0000 0.0349
-16.250 -0.9679 0.05811 0.05247 -0.0576 1.0000 0.0354
-16.000 -0.9595 0.05632 0.05066 -0.0577 1.0000 0.0360
-15.750 -0.9512 0.05451 0.04882 -0.0579 1.0000 0.0366
-15.500 -0.9421 0.05281 0.04708 -0.0580 1.0000 0.0373
-15.250 -0.9327 0.05115 0.04536 -0.0581 1.0000 0.0380
-15.000 -0.9232 0.04952 0.04367 -0.0582 1.0000 0.0385
-14.750 -0.9172 0.04772 0.04189 -0.0580 1.0000 0.0394
-14.500 -0.9096 0.04602 0.04019 -0.0579 1.0000 0.0402
-14.250 -0.9015 0.04435 0.03852 -0.0578 1.0000 0.0409
-14.000 -0.8916 0.04285 0.03700 -0.0577 1.0000 0.0420
-13.750 -0.8814 0.04139 0.03550 -0.0576 1.0000 0.0430
-13.500 -0.8725 0.03986 0.03393 -0.0575 1.0000 0.0440
-13.250 -0.8670 0.03810 0.03220 -0.0572 1.0000 0.0451
-13.000 -0.8359 0.03619 0.03027 -0.0618 0.9537 0.0470
-12.750 -0.7973 0.03454 0.02849 -0.0674 0.9278 0.0491
-12.500 -0.7858 0.03280 0.02665 -0.0683 0.8982 0.0511
-12.250 -0.7782 0.03154 0.02529 -0.0674 0.8775 0.0528
-12.000 -0.7684 0.03051 0.02415 -0.0665 0.8619 0.0548
-11.750 -0.7649 0.02911 0.02267 -0.0652 0.8484 0.0571
-11.500 -0.7581 0.02788 0.02140 -0.0641 0.8364 0.0598
-11.250 -0.7499 0.02677 0.02022 -0.0630 0.8258 0.0629
-11.000 -0.7445 0.02549 0.01892 -0.0617 0.8154 0.0664
-10.750 -0.7371 0.02437 0.01774 -0.0604 0.8066 0.0708
-10.500 -0.7308 0.02318 0.01655 -0.0590 0.7974 0.0764
-10.250 -0.7255 0.02201 0.01534 -0.0575 0.7891 0.0826
-10.000 -0.7193 0.02085 0.01420 -0.0560 0.7808 0.0904
-9.750 -0.7136 0.01976 0.01310 -0.0543 0.7728 0.0997
-9.500 -0.7080 0.01869 0.01205 -0.0525 0.7654 0.1103
-9.250 -0.7037 0.01760 0.01100 -0.0505 0.7575 0.1233
-9.000 -0.7003 0.01658 0.00999 -0.0481 0.7503 0.1381
-8.750 -0.6981 0.01556 0.00904 -0.0455 0.7432 0.1558
-8.500 -0.6985 0.01463 0.00817 -0.0421 0.7359 0.1760
-8.250 -0.7016 0.01393 0.00751 -0.0379 0.7292 0.1991
-8.000 -0.6964 0.01309 0.00684 -0.0350 0.7228 0.2337
-7.750 -0.6892 0.01219 0.00615 -0.0325 0.7161 0.2809
-7.500 -0.6796 0.01130 0.00548 -0.0303 0.7100 0.3374
-7.250 -0.6649 0.01058 0.00507 -0.0287 0.7040 0.3981
-7.000 -0.6407 0.01040 0.00494 -0.0284 0.6977 0.4350
-6.750 -0.6141 0.01035 0.00482 -0.0283 0.6920 0.4526
-6.500 -0.5871 0.01031 0.00476 -0.0283 0.6866 0.4652
-6.250 -0.5593 0.01026 0.00468 -0.0284 0.6809 0.4749
-6.000 -0.5314 0.01026 0.00462 -0.0285 0.6753 0.4839
-5.750 -0.5034 0.01028 0.00453 -0.0286 0.6700 0.4915
-5.500 -0.4751 0.01030 0.00457 -0.0287 0.6649 0.5002
-5.250 -0.4467 0.01034 0.00451 -0.0289 0.6596 0.5073
-5.000 -0.4181 0.01031 0.00448 -0.0291 0.6545 0.5128
-4.750 -0.3894 0.01038 0.00446 -0.0293 0.6495 0.5179
-4.500 -0.3604 0.01039 0.00443 -0.0296 0.6449 0.5229
-4.250 -0.3317 0.01037 0.00441 -0.0299 0.6401 0.5291
-4.000 -0.3028 0.01049 0.00451 -0.0300 0.6355 0.5361
-3.750 -0.2740 0.01065 0.00456 -0.0302 0.6310 0.5423
-3.500 -0.2450 0.01058 0.00449 -0.0306 0.6270 0.5463
-3.250 -0.2157 0.01051 0.00442 -0.0309 0.6228 0.5488
-3.000 -0.1864 0.01047 0.00435 -0.0313 0.6186 0.5511
-2.750 -0.1571 0.01046 0.00429 -0.0317 0.6146 0.5533
-2.500 -0.1278 0.01048 0.00424 -0.0321 0.6105 0.5556
-2.250 -0.0984 0.01044 0.00419 -0.0325 0.6071 0.5579
-2.000 -0.0690 0.01042 0.00414 -0.0329 0.6036 0.5602
-1.750 -0.0395 0.01043 0.00409 -0.0333 0.6002 0.5624
-1.500 -0.0103 0.01037 0.00400 -0.0338 0.5970 0.5650
-1.250 0.0190 0.01035 0.00397 -0.0341 0.5938 0.5674
-1.000 0.0484 0.01037 0.00398 -0.0346 0.5909 0.5696
-0.750 0.0778 0.01035 0.00398 -0.0350 0.5883 0.5717
-0.500 0.1073 0.01034 0.00397 -0.0354 0.5855 0.5738
-0.250 0.1368 0.01035 0.00397 -0.0359 0.5828 0.5761
0.000 0.1663 0.01036 0.00396 -0.0363 0.5803 0.5784
0.250 0.1959 0.01039 0.00396 -0.0368 0.5779 0.5807
0.500 0.2255 0.01045 0.00397 -0.0373 0.5754 0.5831
0.750 0.2548 0.01048 0.00402 -0.0377 0.5727 0.5860
1.000 0.2839 0.01047 0.00406 -0.0381 0.5707 0.5886
1.250 0.3133 0.01049 0.00413 -0.0385 0.5687 0.5913
1.500 0.3426 0.01053 0.00419 -0.0389 0.5666 0.5942
1.750 0.3721 0.01058 0.00425 -0.0394 0.5645 0.5973
2.000 0.4016 0.01063 0.00429 -0.0398 0.5622 0.6003
2.250 0.4309 0.01065 0.00431 -0.0402 0.5597 0.6034
2.500 0.4601 0.01068 0.00438 -0.0406 0.5572 0.6069
2.750 0.4896 0.01084 0.00454 -0.0411 0.5544 0.6104
3.000 0.5184 0.01087 0.00463 -0.0414 0.5526 0.6141
3.250 0.5474 0.01093 0.00474 -0.0418 0.5507 0.6180
3.500 0.5765 0.01101 0.00484 -0.0422 0.5485 0.6216
3.750 0.6052 0.01102 0.00494 -0.0425 0.5462 0.6260
4.000 0.6341 0.01108 0.00506 -0.0428 0.5440 0.6304
4.250 0.6632 0.01115 0.00515 -0.0432 0.5416 0.6352
4.500 0.6924 0.01123 0.00522 -0.0436 0.5383 0.6399
4.750 0.7204 0.01128 0.00532 -0.0437 0.5337 0.6446
5.000 0.7475 0.01122 0.00536 -0.0437 0.5286 0.6494
5.250 0.7754 0.01117 0.00533 -0.0437 0.5227 0.6546
5.500 0.8035 0.01125 0.00537 -0.0439 0.5166 0.6598
5.750 0.8303 0.01123 0.00546 -0.0438 0.5121 0.6649
6.000 0.8574 0.01123 0.00556 -0.0438 0.5074 0.6703
6.250 0.8849 0.01128 0.00561 -0.0438 0.5024 0.6761
6.500 0.9115 0.01135 0.00571 -0.0438 0.4962 0.6816
6.750 0.9364 0.01130 0.00577 -0.0433 0.4879 0.6873
7.000 0.9617 0.01138 0.00586 -0.0430 0.4800 0.6933
7.250 0.9870 0.01142 0.00600 -0.0427 0.4723 0.6995
7.500 1.0111 0.01153 0.00610 -0.0422 0.4639 0.7054
7.750 1.0351 0.01158 0.00629 -0.0416 0.4539 0.7116
8.000 1.0574 0.01172 0.00645 -0.0408 0.4415 0.7182
8.250 1.0778 0.01188 0.00663 -0.0397 0.4233 0.7246
8.500 1.0902 0.01220 0.00691 -0.0373 0.3915 0.7312
8.750 1.0873 0.01288 0.00740 -0.0324 0.3552 0.7387
9.000 1.0790 0.01380 0.00819 -0.0270 0.3244 0.7461
9.250 1.0706 0.01496 0.00925 -0.0221 0.2933 0.7539
9.500 1.0614 0.01640 0.01054 -0.0178 0.2624 0.7623
9.750 1.0543 0.01789 0.01196 -0.0140 0.2350 0.7701
10.000 1.0480 0.01954 0.01352 -0.0108 0.2117 0.7789
10.250 1.0445 0.02117 0.01510 -0.0082 0.1901 0.7873
10.500 1.0407 0.02292 0.01679 -0.0057 0.1703 0.7964
10.750 1.0386 0.02468 0.01851 -0.0036 0.1534 0.8057
11.000 1.0370 0.02645 0.02026 -0.0016 0.1382 0.8156
11.250 1.0367 0.02822 0.02201 0.0001 0.1248 0.8259
11.500 1.0372 0.02997 0.02376 0.0016 0.1128 0.8373
11.750 1.0383 0.03169 0.02550 0.0031 0.1024 0.8496
12.000 1.0405 0.03340 0.02724 0.0044 0.0937 0.8640
12.250 1.0419 0.03514 0.02903 0.0058 0.0858 0.8823
12.500 1.0426 0.03687 0.03083 0.0073 0.0786 0.9117
12.750 1.0572 0.03893 0.03296 0.0054 0.0703 1.0000
13.000 1.0640 0.04082 0.03482 0.0055 0.0647 1.0000
13.250 1.0704 0.04277 0.03676 0.0057 0.0600 1.0000
13.500 1.0752 0.04487 0.03884 0.0059 0.0559 1.0000
13.750 1.0827 0.04678 0.04076 0.0059 0.0526 1.0000
14.000 1.0874 0.04895 0.04291 0.0060 0.0499 1.0000
14.250 1.0949 0.05092 0.04492 0.0060 0.0476 1.0000
14.500 1.1003 0.05310 0.04709 0.0059 0.0453 1.0000
14.750 1.1060 0.05531 0.04934 0.0058 0.0438 1.0000
15.000 1.1138 0.05732 0.05139 0.0057 0.0420 1.0000
15.250 1.1191 0.05961 0.05369 0.0055 0.0406 1.0000
15.500 1.1213 0.06229 0.05637 0.0052 0.0393 1.0000
15.750 1.1297 0.06433 0.05847 0.0049 0.0379 1.0000
16.000 1.1357 0.06668 0.06087 0.0045 0.0370 1.0000
16.250 1.1404 0.06918 0.06339 0.0041 0.0359 1.0000
16.500 1.1409 0.07218 0.06639 0.0036 0.0348 1.0000
16.750 1.1482 0.07447 0.06876 0.0031 0.0340 1.0000
17.000 1.1546 0.07688 0.07123 0.0025 0.0331 1.0000
17.250 1.1596 0.07952 0.07392 0.0018 0.0323 1.0000
17.500 1.1638 0.08224 0.07667 0.0011 0.0316 1.0000
17.750 1.1662 0.08516 0.07960 0.0003 0.0309 1.0000
18.000 1.1695 0.08806 0.08254 -0.0005 0.0302 1.0000
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