NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 64(4)-421 (naca644421-il) Reynolds number: 500,000 Max Cl/Cd: 93.2 at α=7.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca644421-il-500000-n5.txt Download as CSV file: xf-naca644421-il-500000-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 = 0.500 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -0.9590 0.09120 0.08641 -0.0639 1.0000 0.0248
-19.500 -0.9599 0.08776 0.08288 -0.0654 1.0000 0.0251
-19.250 -0.9590 0.08461 0.07964 -0.0667 1.0000 0.0253
-19.000 -0.9584 0.08151 0.07648 -0.0679 1.0000 0.0255
-18.750 -0.9583 0.07841 0.07333 -0.0690 1.0000 0.0258
-18.500 -0.9572 0.07548 0.07036 -0.0700 1.0000 0.0260
-18.250 -0.9556 0.07261 0.06745 -0.0710 1.0000 0.0263
-18.000 -0.9523 0.07002 0.06480 -0.0719 1.0000 0.0265
-17.750 -0.9492 0.06741 0.06214 -0.0727 1.0000 0.0268
-17.500 -0.9451 0.06501 0.05969 -0.0733 1.0000 0.0271
-17.250 -0.9410 0.06262 0.05725 -0.0740 1.0000 0.0274
-17.000 -0.9353 0.06045 0.05503 -0.0745 1.0000 0.0277
-16.750 -0.9295 0.05831 0.05284 -0.0749 1.0000 0.0281
-16.500 -0.9230 0.05630 0.05076 -0.0753 1.0000 0.0285
-16.250 -0.9162 0.05436 0.04877 -0.0756 1.0000 0.0289
-16.000 -0.9091 0.05247 0.04682 -0.0758 1.0000 0.0291
-15.750 -0.9039 0.05045 0.04479 -0.0760 1.0000 0.0296
-15.500 -0.8983 0.04850 0.04281 -0.0762 1.0000 0.0299
-15.000 -0.8599 0.04435 0.03859 -0.0815 0.9560 0.0310
-14.750 -0.8208 0.04207 0.03620 -0.0885 0.9371 0.0317
-14.500 -0.7842 0.04016 0.03415 -0.0942 0.9135 0.0325
-14.250 -0.7646 0.03867 0.03250 -0.0961 0.8879 0.0331
-14.000 -0.7547 0.03724 0.03095 -0.0962 0.8669 0.0337
-13.750 -0.7465 0.03588 0.02951 -0.0958 0.8506 0.0344
-13.500 -0.7374 0.03463 0.02817 -0.0953 0.8370 0.0351
-13.000 -0.7180 0.03231 0.02568 -0.0941 0.8125 0.0365
-12.750 -0.7076 0.03126 0.02452 -0.0934 0.8023 0.0372
-12.500 -0.6973 0.03018 0.02338 -0.0928 0.7928 0.0379
-12.250 -0.6888 0.02903 0.02217 -0.0920 0.7837 0.0388
-12.000 -0.6787 0.02797 0.02107 -0.0912 0.7754 0.0398
-11.750 -0.6683 0.02696 0.02000 -0.0905 0.7674 0.0407
-11.500 -0.6571 0.02603 0.01900 -0.0896 0.7603 0.0418
-11.250 -0.6455 0.02509 0.01801 -0.0888 0.7528 0.0429
-11.000 -0.6355 0.02412 0.01701 -0.0879 0.7454 0.0446
-10.750 -0.6240 0.02324 0.01608 -0.0869 0.7382 0.0461
-10.500 -0.6119 0.02240 0.01519 -0.0860 0.7309 0.0477
-10.250 -0.6012 0.02153 0.01428 -0.0849 0.7237 0.0497
-10.000 -0.5894 0.02071 0.01343 -0.0839 0.7174 0.0519
-9.750 -0.5771 0.01995 0.01262 -0.0828 0.7106 0.0544
-9.500 -0.5660 0.01916 0.01181 -0.0815 0.7043 0.0574
-9.250 -0.5538 0.01844 0.01105 -0.0803 0.6986 0.0611
-9.000 -0.5424 0.01769 0.01030 -0.0790 0.6924 0.0651
-8.750 -0.5309 0.01701 0.00960 -0.0775 0.6863 0.0696
-8.500 -0.5201 0.01635 0.00891 -0.0759 0.6808 0.0750
-8.250 -0.5109 0.01570 0.00827 -0.0739 0.6751 0.0805
-8.000 -0.5044 0.01521 0.00776 -0.0713 0.6692 0.0863
-7.750 -0.4911 0.01477 0.00729 -0.0697 0.6637 0.0944
-7.500 -0.4749 0.01432 0.00687 -0.0684 0.6588 0.1050
-7.250 -0.4569 0.01389 0.00647 -0.0674 0.6534 0.1177
-7.000 -0.4383 0.01344 0.00607 -0.0665 0.6480 0.1340
-6.750 -0.4189 0.01300 0.00568 -0.0657 0.6431 0.1549
-6.500 -0.3985 0.01248 0.00528 -0.0651 0.6383 0.1822
-6.250 -0.3779 0.01194 0.00487 -0.0646 0.6329 0.2167
-6.000 -0.3569 0.01136 0.00443 -0.0642 0.6277 0.2601
-5.750 -0.3359 0.01068 0.00397 -0.0638 0.6231 0.3166
-5.500 -0.3128 0.01006 0.00361 -0.0637 0.6185 0.3759
-5.250 -0.2864 0.00980 0.00350 -0.0639 0.6138 0.4230
-5.000 -0.2582 0.00973 0.00344 -0.0641 0.6092 0.4462
-4.500 -0.2005 0.00969 0.00333 -0.0647 0.6012 0.4692
-4.250 -0.1714 0.00966 0.00327 -0.0651 0.5971 0.4757
-4.000 -0.1425 0.00964 0.00323 -0.0654 0.5929 0.4828
-3.750 -0.1135 0.00967 0.00320 -0.0657 0.5890 0.4922
-3.500 -0.0847 0.00970 0.00323 -0.0659 0.5855 0.5032
-3.250 -0.0551 0.00974 0.00321 -0.0664 0.5821 0.5097
-3.000 -0.0259 0.00969 0.00317 -0.0667 0.5785 0.5127
-2.750 0.0032 0.00968 0.00313 -0.0671 0.5749 0.5150
-2.500 0.0322 0.00968 0.00310 -0.0674 0.5715 0.5172
-2.250 0.0612 0.00970 0.00307 -0.0677 0.5684 0.5196
-2.000 0.0906 0.00970 0.00305 -0.0681 0.5656 0.5224
-1.750 0.1201 0.00971 0.00303 -0.0685 0.5627 0.5251
-1.500 0.1496 0.00972 0.00301 -0.0689 0.5597 0.5273
-1.250 0.1788 0.00973 0.00299 -0.0693 0.5566 0.5290
-1.000 0.2077 0.00973 0.00297 -0.0696 0.5535 0.5309
-0.750 0.2366 0.00975 0.00298 -0.0699 0.5506 0.5327
-0.500 0.2656 0.00978 0.00299 -0.0703 0.5482 0.5347
-0.250 0.2950 0.00978 0.00301 -0.0707 0.5460 0.5368
0.000 0.3243 0.00980 0.00303 -0.0711 0.5437 0.5392
0.250 0.3535 0.00983 0.00306 -0.0714 0.5413 0.5417
0.500 0.3827 0.00986 0.00309 -0.0718 0.5390 0.5440
0.750 0.4118 0.00991 0.00312 -0.0722 0.5368 0.5460
1.250 0.4695 0.01000 0.00320 -0.0728 0.5327 0.5504
1.500 0.4983 0.01006 0.00327 -0.0731 0.5307 0.5529
1.750 0.5274 0.01010 0.00334 -0.0735 0.5290 0.5555
2.000 0.5564 0.01013 0.00341 -0.0739 0.5271 0.5583
2.250 0.5854 0.01018 0.00349 -0.0742 0.5250 0.5612
2.500 0.6143 0.01024 0.00357 -0.0746 0.5231 0.5641
2.750 0.6431 0.01031 0.00365 -0.0749 0.5212 0.5669
3.000 0.6716 0.01036 0.00374 -0.0752 0.5188 0.5698
3.250 0.6999 0.01043 0.00383 -0.0754 0.5161 0.5731
3.500 0.7280 0.01052 0.00392 -0.0756 0.5133 0.5765
3.750 0.7564 0.01061 0.00404 -0.0759 0.5113 0.5803
4.000 0.7849 0.01067 0.00416 -0.0762 0.5094 0.5843
4.250 0.8133 0.01075 0.00429 -0.0765 0.5073 0.5879
4.500 0.8413 0.01081 0.00442 -0.0767 0.5051 0.5919
4.750 0.8693 0.01089 0.00455 -0.0769 0.5027 0.5961
5.000 0.8966 0.01098 0.00467 -0.0769 0.4992 0.6004
5.250 0.9230 0.01111 0.00478 -0.0768 0.4941 0.6047
5.500 0.9495 0.01115 0.00491 -0.0768 0.4888 0.6087
5.750 0.9753 0.01122 0.00504 -0.0766 0.4826 0.6132
6.000 0.9995 0.01135 0.00516 -0.0761 0.4751 0.6180
6.250 1.0249 0.01143 0.00531 -0.0758 0.4678 0.6230
6.500 1.0495 0.01157 0.00547 -0.0754 0.4619 0.6276
6.750 1.0739 0.01170 0.00565 -0.0750 0.4563 0.6325
7.000 1.0976 0.01182 0.00585 -0.0745 0.4478 0.6379
7.250 1.1184 0.01200 0.00604 -0.0734 0.4353 0.6434
7.750 1.1372 0.01271 0.00661 -0.0674 0.3819 0.6537
8.000 1.1339 0.01353 0.00729 -0.0626 0.3514 0.6595
8.250 1.1316 0.01451 0.00815 -0.0583 0.3243 0.6653
8.500 1.1311 0.01555 0.00910 -0.0547 0.2984 0.6707
8.750 1.1276 0.01683 0.01029 -0.0509 0.2721 0.6771
9.000 1.1245 0.01824 0.01162 -0.0476 0.2467 0.6837
9.250 1.1228 0.01972 0.01302 -0.0447 0.2258 0.6900
9.500 1.1218 0.02126 0.01452 -0.0421 0.2060 0.6965
9.750 1.1216 0.02287 0.01608 -0.0398 0.1878 0.7037
10.250 1.1239 0.02618 0.01934 -0.0360 0.1573 0.7168
10.500 1.1243 0.02799 0.02113 -0.0343 0.1424 0.7238
11.000 1.1282 0.03162 0.02473 -0.0315 0.1185 0.7374
11.250 1.1316 0.03342 0.02653 -0.0303 0.1090 0.7450
11.500 1.1354 0.03529 0.02839 -0.0293 0.0998 0.7520
11.750 1.1400 0.03710 0.03023 -0.0284 0.0915 0.7597
12.000 1.1444 0.03901 0.03214 -0.0276 0.0834 0.7678
12.250 1.1486 0.04098 0.03413 -0.0269 0.0762 0.7755
12.750 1.1596 0.04481 0.03801 -0.0258 0.0642 0.7932
13.000 1.1658 0.04670 0.03994 -0.0253 0.0586 0.8038
13.250 1.1719 0.04866 0.04194 -0.0249 0.0547 0.8139
13.500 1.1782 0.05060 0.04393 -0.0245 0.0505 0.8258
13.750 1.1844 0.05256 0.04595 -0.0242 0.0468 0.8387
14.000 1.1903 0.05453 0.04798 -0.0238 0.0441 0.8537
14.250 1.1959 0.05641 0.04996 -0.0232 0.0413 0.8747
14.500 1.2000 0.05838 0.05205 -0.0226 0.0389 0.9144
15.000 1.2162 0.06273 0.05650 -0.0235 0.0347 1.0000
15.250 1.2242 0.06486 0.05867 -0.0238 0.0331 1.0000
15.500 1.2314 0.06709 0.06093 -0.0241 0.0317 1.0000
16.000 1.2445 0.07183 0.06574 -0.0248 0.0293 1.0000
16.250 1.2510 0.07425 0.06820 -0.0252 0.0282 1.0000
16.500 1.2563 0.07685 0.07084 -0.0257 0.0272 1.0000
16.750 1.2619 0.07941 0.07343 -0.0263 0.0264 1.0000
17.000 1.2677 0.08199 0.07608 -0.0269 0.0256 1.0000
17.250 1.2734 0.08463 0.07877 -0.0275 0.0248 1.0000
17.500 1.2783 0.08736 0.08155 -0.0282 0.0240 1.0000
17.750 1.2815 0.09039 0.08463 -0.0291 0.0234 1.0000
18.000 1.2857 0.09329 0.08758 -0.0299 0.0228 1.0000
18.250 1.2901 0.09619 0.09055 -0.0308 0.0223 1.0000
18.500 1.2938 0.09922 0.09365 -0.0318 0.0217 1.0000
18.750 1.2976 0.10225 0.09674 -0.0329 0.0211 1.0000
19.000 1.2993 0.10563 0.10017 -0.0341 0.0206 1.0000
19.250 1.3009 0.10903 0.10363 -0.0354 0.0201 1.0000
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