NACA 2421 (naca2421-il) Xfoil prediction polar at RE=50,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 2421 (naca2421-il) Reynolds number: 50,000 Max Cl/Cd: 23.77 at α=5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca2421-il-50000-n5.txt Download as CSV file: xf-naca2421-il-50000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 2421
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
------ -------- --------- --------- -------- -------- --------
-13.000 -0.4975 0.10376 0.09434 -0.0569 1.0000 0.1532
-12.750 -0.4781 0.10424 0.09486 -0.0552 1.0000 0.1549
-12.250 -0.7670 0.06191 0.05195 -0.0696 1.0000 0.1661
-12.000 -0.7053 0.06536 0.05569 -0.0679 1.0000 0.1697
-11.750 -0.7429 0.06088 0.05113 -0.0661 1.0000 0.1719
-11.500 -0.7851 0.05706 0.04718 -0.0624 1.0000 0.1738
-11.250 -0.8251 0.05425 0.04424 -0.0571 1.0000 0.1756
-11.000 -0.8642 0.05216 0.04201 -0.0504 1.0000 0.1773
-10.750 -0.8985 0.05016 0.03981 -0.0436 1.0000 0.1793
-10.500 -0.8948 0.04951 0.03926 -0.0405 1.0000 0.1823
-10.250 -0.8961 0.04873 0.03852 -0.0370 1.0000 0.1854
-10.000 -0.9037 0.04755 0.03727 -0.0328 1.0000 0.1889
-9.750 -0.9152 0.04603 0.03554 -0.0284 1.0000 0.1928
-9.500 -0.9133 0.04517 0.03467 -0.0252 1.0000 0.1965
-9.250 -0.9082 0.04458 0.03414 -0.0223 1.0000 0.2004
-9.000 -0.9035 0.04356 0.03300 -0.0199 0.9989 0.2056
-8.750 -0.8742 0.04255 0.03189 -0.0217 0.9921 0.2126
-8.500 -0.8453 0.04180 0.03111 -0.0231 0.9845 0.2198
-8.250 -0.8155 0.04082 0.02998 -0.0248 0.9775 0.2279
-8.000 -0.7872 0.04023 0.02941 -0.0258 0.9690 0.2355
-7.750 -0.7576 0.03933 0.02835 -0.0274 0.9617 0.2445
-7.500 -0.7296 0.03884 0.02790 -0.0281 0.9528 0.2525
-7.250 -0.6992 0.03806 0.02697 -0.0296 0.9456 0.2626
-7.000 -0.6729 0.03761 0.02658 -0.0299 0.9361 0.2712
-6.750 -0.6382 0.03693 0.02580 -0.0319 0.9298 0.2823
-6.500 -0.6169 0.03650 0.02540 -0.0312 0.9190 0.2914
-6.250 -0.5820 0.03591 0.02475 -0.0330 0.9124 0.3031
-6.000 -0.5609 0.03550 0.02435 -0.0322 0.9018 0.3132
-5.750 -0.5271 0.03500 0.02384 -0.0337 0.8946 0.3250
-5.500 -0.5035 0.03458 0.02336 -0.0333 0.8847 0.3368
-5.250 -0.4722 0.03419 0.02304 -0.0341 0.8765 0.3484
-5.000 -0.4390 0.03371 0.02249 -0.0354 0.8697 0.3625
-4.750 -0.4173 0.03347 0.02234 -0.0344 0.8585 0.3735
-4.500 -0.3790 0.03301 0.02188 -0.0362 0.8526 0.3881
-4.250 -0.3617 0.03281 0.02166 -0.0346 0.8409 0.4009
-4.000 -0.3263 0.03245 0.02138 -0.0358 0.8339 0.4152
-3.750 -0.3002 0.03218 0.02112 -0.0355 0.8247 0.4296
-3.500 -0.2738 0.03192 0.02086 -0.0353 0.8153 0.4453
-3.250 -0.2347 0.03152 0.02054 -0.0368 0.8100 0.4624
-3.000 -0.2193 0.03152 0.02060 -0.0347 0.7972 0.4765
-2.750 -0.1844 0.03117 0.02028 -0.0355 0.7907 0.4959
-2.500 -0.1647 0.03111 0.02024 -0.0341 0.7797 0.5140
-2.250 -0.1344 0.03088 0.02007 -0.0341 0.7715 0.5339
-2.000 -0.0952 0.03047 0.01971 -0.0353 0.7666 0.5557
-1.750 -0.0826 0.03068 0.02002 -0.0326 0.7529 0.5724
-1.500 -0.0456 0.03032 0.01970 -0.0334 0.7470 0.5943
-1.250 -0.0291 0.03048 0.01992 -0.0314 0.7351 0.6130
-1.000 0.0030 0.03025 0.01972 -0.0314 0.7276 0.6348
-0.750 0.0295 0.03020 0.01970 -0.0306 0.7190 0.6560
-0.500 0.0512 0.03027 0.01982 -0.0291 0.7088 0.6769
-0.250 0.0893 0.02997 0.01953 -0.0298 0.7030 0.6996
0.000 0.1034 0.03039 0.02003 -0.0273 0.6908 0.7189
0.250 0.1385 0.03029 0.01994 -0.0275 0.6838 0.7400
0.500 0.1648 0.03049 0.02017 -0.0267 0.6747 0.7603
0.750 0.1912 0.03070 0.02041 -0.0259 0.6651 0.7806
1.000 0.2349 0.03052 0.02020 -0.0275 0.6595 0.8009
1.250 0.2499 0.03114 0.02088 -0.0253 0.6476 0.8212
1.500 0.2901 0.03112 0.02081 -0.0267 0.6405 0.8411
1.750 0.3199 0.03146 0.02114 -0.0267 0.6315 0.8612
2.000 0.3583 0.03179 0.02147 -0.0283 0.6221 0.8788
2.250 0.4175 0.03161 0.02119 -0.0329 0.6160 0.8937
2.500 0.4441 0.03238 0.02202 -0.0334 0.6041 0.9120
2.750 0.4986 0.03226 0.02182 -0.0377 0.5967 0.9270
3.000 0.5369 0.03276 0.02234 -0.0402 0.5859 0.9428
3.250 0.5932 0.03264 0.02216 -0.0453 0.5767 0.9539
3.500 0.6347 0.03290 0.02242 -0.0484 0.5656 0.9676
3.750 0.6839 0.03273 0.02218 -0.0523 0.5551 0.9795
4.000 0.7252 0.03301 0.02247 -0.0556 0.5433 0.9922
4.250 0.7681 0.03284 0.02222 -0.0587 0.5335 1.0000
4.500 0.7675 0.03328 0.02266 -0.0546 0.5246 1.0000
4.750 0.7699 0.03362 0.02298 -0.0509 0.5158 1.0000
5.000 0.7940 0.03340 0.02262 -0.0501 0.5091 1.0000
5.250 0.7740 0.03446 0.02377 -0.0432 0.4992 1.0000
5.500 0.7906 0.03450 0.02373 -0.0412 0.4916 1.0000
5.750 0.7895 0.03512 0.02434 -0.0369 0.4834 1.0000
6.000 0.7873 0.03579 0.02500 -0.0325 0.4747 1.0000
6.250 0.8226 0.03543 0.02451 -0.0330 0.4680 1.0000
6.500 0.7914 0.03704 0.02620 -0.0249 0.4582 1.0000
6.750 0.8127 0.03711 0.02620 -0.0236 0.4506 1.0000
7.000 0.8067 0.03804 0.02713 -0.0188 0.4424 1.0000
7.250 0.8045 0.03896 0.02804 -0.0147 0.4336 1.0000
7.500 0.8422 0.03856 0.02754 -0.0155 0.4267 1.0000
7.750 0.8098 0.04092 0.03000 -0.0086 0.4164 1.0000
8.000 0.8469 0.04040 0.02940 -0.0090 0.4095 1.0000
8.250 0.8226 0.04295 0.03204 -0.0039 0.3993 1.0000
8.500 0.8486 0.04292 0.03195 -0.0033 0.3918 1.0000
8.750 0.8415 0.04490 0.03399 -0.0003 0.3826 1.0000
9.000 0.8520 0.04586 0.03495 0.0013 0.3740 1.0000
9.250 0.8734 0.04615 0.03520 0.0022 0.3668 1.0000
9.500 0.8535 0.04942 0.03858 0.0051 0.3564 1.0000
9.750 0.9023 0.04768 0.03671 0.0047 0.3509 1.0000
10.000 0.8510 0.05382 0.04305 0.0080 0.3389 1.0000
10.250 0.8915 0.05241 0.04155 0.0084 0.3335 1.0000
10.500 0.8419 0.05943 0.04875 0.0102 0.3215 1.0000
10.750 0.8747 0.05849 0.04776 0.0109 0.3161 1.0000
11.000 0.8230 0.06680 0.05623 0.0112 0.3036 1.0000
11.250 0.8502 0.06627 0.05568 0.0121 0.2984 1.0000
11.500 0.9034 0.06293 0.05224 0.0132 0.2953 1.0000
11.750 0.8229 0.07538 0.06491 0.0120 0.2807 1.0000
12.000 0.8698 0.07221 0.06169 0.0135 0.2782 1.0000
12.250 0.7978 0.08505 0.07468 0.0108 0.2635 1.0000
12.500 0.8388 0.08224 0.07184 0.0125 0.2614 1.0000
13.000 0.7398 0.10436 0.09415 0.0062 0.2356 1.0000
13.250 0.7579 0.10483 0.09464 0.0068 0.2315 1.0000
13.500 0.7881 0.10318 0.09299 0.0082 0.2293 1.0000
14.000 0.7670 0.11395 0.10385 0.0052 0.2141 1.0000
14.500 0.7491 0.12461 0.11457 0.0016 0.1998 1.0000
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