NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=50,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 64(4)-421 (naca644421-il) Reynolds number: 50,000 Max Cl/Cd: 11.27 at α=14.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca644421-il-50000-n5.txt Download as CSV file: xf-naca644421-il-50000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 64(4)-421
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.050 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-15.500 -0.5135 0.11254 0.10432 -0.0661 1.0000 0.0846
-15.250 -0.5770 0.09720 0.08879 -0.0745 1.0000 0.0843
-15.000 -0.6233 0.08716 0.07849 -0.0795 1.0000 0.0843
-14.750 -0.6564 0.08008 0.07117 -0.0824 1.0000 0.0845
-14.500 -0.6664 0.07596 0.06693 -0.0835 1.0000 0.0853
-14.250 -0.6610 0.07357 0.06453 -0.0836 1.0000 0.0868
-14.000 -0.6631 0.07061 0.06148 -0.0839 1.0000 0.0883
-13.750 -0.6679 0.06755 0.05830 -0.0841 1.0000 0.0902
-13.500 -0.6736 0.06456 0.05513 -0.0841 1.0000 0.0920
-13.250 -0.6791 0.06178 0.05214 -0.0837 1.0000 0.0939
-13.000 -0.6693 0.06030 0.05066 -0.0827 1.0000 0.0962
-12.750 -0.6586 0.05923 0.04965 -0.0815 1.0000 0.0988
-12.500 -0.6552 0.05800 0.04838 -0.0798 1.0000 0.1017
-12.250 -0.6574 0.05684 0.04710 -0.0776 1.0000 0.1045
-12.000 -0.6582 0.05635 0.04665 -0.0745 1.0000 0.1072
-11.750 -0.6624 0.05619 0.04658 -0.0710 1.0000 0.1095
-11.500 -0.6347 0.05471 0.04499 -0.0728 0.9903 0.1159
-11.250 -0.6035 0.05343 0.04374 -0.0751 0.9814 0.1232
-11.000 -0.5754 0.05197 0.04217 -0.0772 0.9718 0.1321
-10.750 -0.5488 0.05052 0.04078 -0.0795 0.9631 0.1424
-10.500 -0.5230 0.04892 0.03926 -0.0819 0.9549 0.1550
-10.250 -0.5015 0.04722 0.03765 -0.0839 0.9457 0.1706
-10.000 -0.4802 0.04537 0.03590 -0.0863 0.9376 0.1909
-9.750 -0.4671 0.04373 0.03451 -0.0872 0.9266 0.2135
-9.500 -0.4504 0.04213 0.03317 -0.0885 0.9180 0.2460
-9.250 -0.4327 0.04176 0.03320 -0.0879 0.9069 0.2854
-9.000 -0.3977 0.04271 0.03438 -0.0877 0.8989 0.3325
-8.750 -0.3626 0.04443 0.03609 -0.0866 0.8890 0.3647
-8.500 -0.3315 0.04544 0.03694 -0.0864 0.8808 0.3899
-8.250 -0.3159 0.04591 0.03727 -0.0848 0.8694 0.4107
-8.000 -0.3110 0.04533 0.03655 -0.0833 0.8595 0.4334
-7.750 -0.2965 0.04581 0.03690 -0.0814 0.8494 0.4502
-7.500 -0.2652 0.04675 0.03763 -0.0807 0.8431 0.4656
-7.250 -0.2537 0.04728 0.03808 -0.0781 0.8323 0.4790
-7.000 -0.2404 0.04718 0.03783 -0.0764 0.8249 0.4943
-6.750 -0.2543 0.04662 0.03722 -0.0722 0.8139 0.5098
-6.500 -0.1982 0.04821 0.03860 -0.0732 0.8087 0.5166
-6.250 -0.1936 0.04756 0.03782 -0.0709 0.8025 0.5307
-6.000 -0.1646 0.04840 0.03856 -0.0699 0.7940 0.5378
-5.750 -0.1681 0.04779 0.03788 -0.0668 0.7865 0.5503
-5.500 -0.1255 0.04799 0.03788 -0.0679 0.7827 0.5569
-5.250 -0.1533 0.04756 0.03747 -0.0620 0.7722 0.5691
-5.000 -0.1151 0.04776 0.03754 -0.0627 0.7673 0.5741
-4.750 -0.1292 0.04653 0.03620 -0.0591 0.7619 0.5874
-4.500 -0.1095 0.04715 0.03679 -0.0573 0.7537 0.5909
-4.250 -0.0857 0.04716 0.03669 -0.0566 0.7482 0.5964
-4.000 -0.0994 0.04592 0.03536 -0.0530 0.7430 0.6079
-3.750 -0.0818 0.04638 0.03577 -0.0513 0.7367 0.6114
-3.500 -0.0717 0.04652 0.03588 -0.0491 0.7304 0.6162
-3.250 -0.0736 0.04583 0.03510 -0.0464 0.7255 0.6245
-3.000 -0.0571 0.04520 0.03437 -0.0456 0.7223 0.6301
-2.750 -0.0657 0.04587 0.03507 -0.0409 0.7135 0.6341
-2.500 -0.0586 0.04571 0.03486 -0.0386 0.7082 0.6395
-2.250 -0.0620 0.04459 0.03361 -0.0365 0.7040 0.6482
-2.000 -0.0297 0.04449 0.03343 -0.0369 0.7018 0.6509
-1.750 -0.0603 0.04562 0.03465 -0.0298 0.6921 0.6550
-1.500 -0.0508 0.04557 0.03455 -0.0281 0.6879 0.6598
-1.250 -0.0374 0.04499 0.03386 -0.0276 0.6848 0.6662
-1.000 -0.0132 0.04459 0.03338 -0.0279 0.6825 0.6705
-0.750 -0.0501 0.04592 0.03479 -0.0204 0.6722 0.6741
-0.500 -0.0372 0.04608 0.03492 -0.0191 0.6684 0.6781
-0.250 -0.0178 0.04601 0.03478 -0.0190 0.6657 0.6828
0.000 0.0069 0.04566 0.03432 -0.0202 0.6636 0.6881
0.500 -0.0006 0.04734 0.03604 -0.0146 0.6516 0.6949
0.750 0.0181 0.04765 0.03632 -0.0143 0.6484 0.6989
1.000 0.0418 0.04778 0.03640 -0.0147 0.6459 0.7034
1.250 0.0715 0.04770 0.03625 -0.0162 0.6438 0.7083
1.500 0.0623 0.04905 0.03763 -0.0137 0.6369 0.7121
1.750 0.0741 0.04974 0.03834 -0.0127 0.6325 0.7154
2.000 0.0952 0.05014 0.03873 -0.0127 0.6291 0.7193
2.250 0.1221 0.05034 0.03891 -0.0133 0.6264 0.7242
2.500 0.1541 0.05045 0.03898 -0.0149 0.6243 0.7298
2.750 0.1422 0.05213 0.04072 -0.0122 0.6167 0.7338
3.000 0.1578 0.05281 0.04142 -0.0116 0.6122 0.7381
3.250 0.1821 0.05325 0.04187 -0.0120 0.6089 0.7430
3.500 0.2127 0.05355 0.04216 -0.0133 0.6063 0.7484
3.750 0.2157 0.05486 0.04352 -0.0123 0.6001 0.7531
4.000 0.2258 0.05583 0.04455 -0.0113 0.5945 0.7578
4.250 0.2483 0.05643 0.04518 -0.0115 0.5907 0.7637
4.500 0.2792 0.05682 0.04558 -0.0128 0.5877 0.7706
4.750 0.2815 0.05815 0.04698 -0.0111 0.5812 0.7758
5.000 0.2923 0.05921 0.04811 -0.0104 0.5752 0.7821
5.250 0.3185 0.05980 0.04873 -0.0112 0.5711 0.7895
5.500 0.3470 0.06006 0.04907 -0.0113 0.5682 0.7955
5.750 0.3417 0.06189 0.05098 -0.0098 0.5591 0.8022
6.000 0.3635 0.06266 0.05181 -0.0102 0.5539 0.8102
6.250 0.3898 0.06293 0.05217 -0.0099 0.5504 0.8178
6.500 0.3911 0.06461 0.05393 -0.0091 0.5417 0.8265
6.750 0.4073 0.06536 0.05478 -0.0084 0.5357 0.8352
7.000 0.4369 0.06558 0.05509 -0.0087 0.5319 0.8458
7.250 0.4337 0.06732 0.05694 -0.0071 0.5224 0.8551
7.500 0.4546 0.06785 0.05757 -0.0068 0.5164 0.8668
7.750 0.4842 0.06781 0.05765 -0.0066 0.5129 0.8802
8.000 0.4775 0.06979 0.05975 -0.0052 0.5012 0.8935
8.250 0.5054 0.06986 0.05995 -0.0052 0.4964 0.9109
8.500 0.5106 0.07155 0.06179 -0.0051 0.4858 0.9306
8.750 0.5440 0.07186 0.06227 -0.0070 0.4793 0.9594
9.000 0.5536 0.07341 0.06390 -0.0079 0.4685 1.0000
9.250 0.5843 0.07391 0.06447 -0.0095 0.4617 1.0000
9.500 0.5949 0.07575 0.06638 -0.0104 0.4507 1.0000
9.750 0.6259 0.07600 0.06670 -0.0115 0.4438 1.0000
10.000 0.6338 0.07796 0.06873 -0.0122 0.4317 1.0000
10.250 0.6689 0.07760 0.06847 -0.0130 0.4257 1.0000
10.750 0.6872 0.08106 0.07207 -0.0138 0.4009 1.0000
11.000 0.7193 0.08044 0.07155 -0.0140 0.3933 1.0000
11.250 0.7271 0.08221 0.07340 -0.0143 0.3798 1.0000
11.500 0.7403 0.08343 0.07471 -0.0145 0.3675 1.0000
11.750 0.7761 0.08190 0.07330 -0.0142 0.3603 1.0000
12.000 0.7843 0.08359 0.07508 -0.0143 0.3461 1.0000
12.250 0.7973 0.08472 0.07630 -0.0144 0.3330 1.0000
12.500 0.8360 0.08219 0.07390 -0.0135 0.3262 1.0000
12.750 0.8459 0.08363 0.07542 -0.0136 0.3114 1.0000
13.000 0.8602 0.08451 0.07639 -0.0135 0.2972 1.0000
13.250 0.8803 0.08452 0.07647 -0.0132 0.2837 1.0000
13.500 0.9050 0.08384 0.07583 -0.0126 0.2695 1.0000
13.750 0.9270 0.08355 0.07553 -0.0121 0.2535 1.0000
14.000 0.9446 0.08395 0.07587 -0.0118 0.2364 1.0000
14.250 0.9581 0.08500 0.07684 -0.0116 0.2188 1.0000
14.500 0.9684 0.08659 0.07832 -0.0116 0.2022 1.0000
14.750 0.9760 0.08863 0.08027 -0.0118 0.1869 1.0000
15.000 0.9824 0.09091 0.08245 -0.0121 0.1731 1.0000
15.250 0.9889 0.09322 0.08465 -0.0125 0.1608 1.0000
15.500 0.9939 0.09584 0.08722 -0.0131 0.1495 1.0000
15.750 0.9962 0.09906 0.09049 -0.0139 0.1394 1.0000
16.000 1.0015 0.10178 0.09317 -0.0146 0.1308 1.0000
16.250 1.0087 0.10416 0.09549 -0.0152 0.1229 1.0000
16.500 1.0103 0.10771 0.09916 -0.0164 0.1159 1.0000
16.750 1.0219 0.10934 0.10065 -0.0167 0.1097 1.0000
17.000 1.0194 0.11375 0.10530 -0.0184 0.1042 1.0000
17.250 1.0298 0.11568 0.10716 -0.0190 0.0991 1.0000
17.500 1.0267 0.12024 0.11193 -0.0209 0.0949 1.0000
17.750 1.0282 0.12396 0.11576 -0.0225 0.0910 1.0000
18.000 1.0381 0.12603 0.11778 -0.0233 0.0874 1.0000
18.250 1.0220 0.13330 0.12539 -0.0269 0.0848 1.0000
18.500 1.0115 0.13959 0.13187 -0.0302 0.0821 1.0000
18.750 1.0286 0.14019 0.13238 -0.0304 0.0792 1.0000
19.000 0.9945 0.15185 0.14437 -0.0371 0.0777 1.0000
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