NACA 64(4)-421 (naca644421-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 64(4)-421 (naca644421-il) Reynolds number: 500,000 Max Cl/Cd: 98.48 at α=8.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca644421-il-500000.txt Download as CSV file: xf-naca644421-il-500000.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 = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -0.9765 0.08602 0.08147 -0.0713 1.0000 0.0311
-19.500 -0.9790 0.08248 0.07784 -0.0728 1.0000 0.0314
-19.250 -0.9800 0.07922 0.07448 -0.0741 1.0000 0.0317
-19.000 -0.9799 0.07616 0.07132 -0.0752 1.0000 0.0320
-18.750 -0.9801 0.07310 0.06815 -0.0763 1.0000 0.0323
-18.500 -0.9788 0.07028 0.06523 -0.0773 1.0000 0.0326
-18.250 -0.9781 0.06741 0.06225 -0.0782 1.0000 0.0329
-18.000 -0.9771 0.06461 0.05933 -0.0792 1.0000 0.0332
-17.750 -0.9691 0.06289 0.05756 -0.0791 1.0000 0.0336
-17.500 -0.9588 0.06145 0.05614 -0.0790 1.0000 0.0341
-17.250 -0.9503 0.05975 0.05443 -0.0791 1.0000 0.0345
-17.000 -0.9418 0.05802 0.05268 -0.0793 1.0000 0.0349
-16.750 -0.9336 0.05627 0.05089 -0.0795 1.0000 0.0353
-16.500 -0.9260 0.05445 0.04903 -0.0797 1.0000 0.0358
-16.250 -0.9174 0.05279 0.04731 -0.0798 1.0000 0.0362
-16.000 -0.9088 0.05114 0.04560 -0.0798 1.0000 0.0367
-15.750 -0.9003 0.04947 0.04386 -0.0799 1.0000 0.0372
-15.500 -0.8912 0.04791 0.04223 -0.0799 1.0000 0.0376
-15.250 -0.8805 0.04671 0.04103 -0.0793 1.0000 0.0383
-15.000 -0.8707 0.04540 0.03975 -0.0789 1.0000 0.0389
-14.750 -0.8609 0.04403 0.03839 -0.0787 1.0000 0.0395
-14.500 -0.8513 0.04266 0.03701 -0.0784 1.0000 0.0401
-14.250 -0.8413 0.04136 0.03569 -0.0781 1.0000 0.0408
-14.000 -0.8315 0.04010 0.03440 -0.0777 1.0000 0.0414
-13.750 -0.8171 0.03862 0.03288 -0.0781 0.9848 0.0422
-13.500 -0.7824 0.03689 0.03111 -0.0830 0.9642 0.0433
-13.250 -0.7430 0.03505 0.02925 -0.0892 0.9485 0.0447
-13.000 -0.7029 0.03345 0.02757 -0.0950 0.9298 0.0462
-12.750 -0.6754 0.03223 0.02619 -0.0978 0.9063 0.0477
-12.500 -0.6642 0.03101 0.02486 -0.0976 0.8856 0.0488
-12.250 -0.6568 0.02982 0.02361 -0.0967 0.8692 0.0499
-12.000 -0.6474 0.02879 0.02250 -0.0958 0.8559 0.0513
-11.750 -0.6376 0.02782 0.02143 -0.0948 0.8442 0.0526
-11.500 -0.6264 0.02691 0.02044 -0.0939 0.8337 0.0539
-11.250 -0.6223 0.02564 0.01911 -0.0925 0.8235 0.0556
-11.000 -0.6132 0.02462 0.01808 -0.0915 0.8142 0.0576
-10.750 -0.6027 0.02374 0.01711 -0.0904 0.8050 0.0596
-10.500 -0.5956 0.02264 0.01598 -0.0891 0.7965 0.0620
-10.250 -0.5874 0.02165 0.01496 -0.0877 0.7880 0.0650
-10.000 -0.5769 0.02081 0.01405 -0.0865 0.7804 0.0681
-9.750 -0.5708 0.01973 0.01299 -0.0849 0.7724 0.0723
-9.500 -0.5617 0.01887 0.01207 -0.0834 0.7651 0.0770
-9.250 -0.5540 0.01795 0.01115 -0.0818 0.7581 0.0835
-9.000 -0.5476 0.01702 0.01024 -0.0799 0.7507 0.0908
-8.750 -0.5414 0.01617 0.00937 -0.0777 0.7438 0.0997
-8.500 -0.5373 0.01536 0.00859 -0.0752 0.7372 0.1103
-8.250 -0.5358 0.01472 0.00797 -0.0719 0.7302 0.1223
-8.000 -0.5258 0.01410 0.00739 -0.0699 0.7240 0.1410
-7.750 -0.5131 0.01346 0.00685 -0.0683 0.7180 0.1656
-7.500 -0.4993 0.01273 0.00628 -0.0669 0.7118 0.2003
-7.250 -0.4847 0.01194 0.00568 -0.0656 0.7060 0.2475
-7.000 -0.4695 0.01104 0.00504 -0.0645 0.7004 0.3134
-6.750 -0.4511 0.01022 0.00457 -0.0639 0.6947 0.3857
-6.500 -0.4254 0.01001 0.00447 -0.0638 0.6888 0.4344
-6.250 -0.3974 0.01000 0.00438 -0.0640 0.6833 0.4540
-6.000 -0.3692 0.00996 0.00434 -0.0642 0.6779 0.4674
-5.750 -0.3406 0.00994 0.00429 -0.0644 0.6723 0.4776
-5.500 -0.3118 0.00997 0.00424 -0.0647 0.6670 0.4869
-5.250 -0.2830 0.01001 0.00419 -0.0649 0.6619 0.4944
-5.000 -0.2540 0.01005 0.00424 -0.0652 0.6571 0.5031
-4.750 -0.2249 0.01010 0.00420 -0.0655 0.6520 0.5106
-4.500 -0.1961 0.01011 0.00420 -0.0657 0.6472 0.5162
-4.250 -0.1669 0.01019 0.00421 -0.0660 0.6425 0.5215
-4.000 -0.1376 0.01023 0.00420 -0.0663 0.6381 0.5268
-3.750 -0.1086 0.01024 0.00422 -0.0666 0.6335 0.5336
-3.500 -0.0795 0.01040 0.00437 -0.0667 0.6292 0.5414
-3.250 -0.0502 0.01057 0.00442 -0.0671 0.6249 0.5471
-3.000 -0.0211 0.01048 0.00433 -0.0674 0.6211 0.5504
-2.750 0.0081 0.01042 0.00428 -0.0678 0.6171 0.5528
-2.500 0.0374 0.01040 0.00424 -0.0681 0.6132 0.5550
-2.250 0.0667 0.01041 0.00420 -0.0685 0.6096 0.5572
-2.000 0.0962 0.01046 0.00418 -0.0689 0.6058 0.5595
-1.750 0.1256 0.01045 0.00416 -0.0694 0.6025 0.5619
-1.500 0.1550 0.01045 0.00414 -0.0698 0.5990 0.5645
-1.250 0.1845 0.01047 0.00411 -0.0702 0.5956 0.5667
-1.000 0.2138 0.01043 0.00405 -0.0707 0.5925 0.5689
-0.750 0.2430 0.01041 0.00401 -0.0711 0.5896 0.5713
-0.500 0.2726 0.01049 0.00405 -0.0715 0.5864 0.5734
-0.250 0.3018 0.01049 0.00407 -0.0719 0.5841 0.5755
0.000 0.3311 0.01050 0.00410 -0.0723 0.5816 0.5777
0.250 0.3605 0.01052 0.00413 -0.0728 0.5790 0.5801
0.500 0.3900 0.01055 0.00415 -0.0732 0.5765 0.5825
0.750 0.4195 0.01060 0.00418 -0.0737 0.5742 0.5851
1.000 0.4492 0.01067 0.00421 -0.0742 0.5719 0.5874
1.250 0.4784 0.01069 0.00424 -0.0746 0.5695 0.5904
1.500 0.5079 0.01079 0.00435 -0.0751 0.5669 0.5932
1.750 0.5368 0.01082 0.00444 -0.0755 0.5652 0.5960
2.000 0.5659 0.01088 0.00453 -0.0759 0.5633 0.5990
2.250 0.5950 0.01094 0.00462 -0.0763 0.5612 0.6022
2.500 0.6242 0.01100 0.00469 -0.0767 0.5588 0.6054
2.750 0.6533 0.01104 0.00474 -0.0771 0.5562 0.6086
3.000 0.6822 0.01107 0.00481 -0.0774 0.5537 0.6123
3.250 0.7114 0.01116 0.00492 -0.0779 0.5515 0.6159
3.500 0.7413 0.01136 0.00511 -0.0784 0.5490 0.6199
3.750 0.7698 0.01144 0.00525 -0.0788 0.5473 0.6240
4.000 0.7982 0.01153 0.00538 -0.0791 0.5453 0.6277
4.250 0.8263 0.01157 0.00552 -0.0793 0.5431 0.6325
4.500 0.8546 0.01164 0.00567 -0.0795 0.5409 0.6371
4.750 0.8831 0.01172 0.00578 -0.0798 0.5383 0.6421
5.000 0.9118 0.01177 0.00582 -0.0801 0.5347 0.6469
5.250 0.9405 0.01191 0.00595 -0.0805 0.5300 0.6518
5.500 0.9660 0.01188 0.00606 -0.0802 0.5261 0.6569
5.750 0.9923 0.01186 0.00609 -0.0800 0.5208 0.6623
6.000 1.0192 0.01188 0.00607 -0.0799 0.5147 0.6677
6.250 1.0456 0.01195 0.00622 -0.0798 0.5101 0.6731
6.500 1.0708 0.01199 0.00637 -0.0795 0.5057 0.6788
6.750 1.0966 0.01204 0.00647 -0.0793 0.5010 0.6848
7.000 1.1230 0.01214 0.00654 -0.0791 0.4951 0.6906
7.250 1.1448 0.01214 0.00669 -0.0782 0.4879 0.6965
7.500 1.1672 0.01220 0.00677 -0.0773 0.4797 0.7029
7.750 1.1902 0.01233 0.00694 -0.0767 0.4729 0.7093
8.000 1.2116 0.01240 0.00712 -0.0757 0.4652 0.7155
8.250 1.2315 0.01255 0.00730 -0.0744 0.4568 0.7221
8.500 1.2507 0.01270 0.00751 -0.0731 0.4466 0.7291
8.750 1.2649 0.01285 0.00774 -0.0708 0.4347 0.7358
9.000 1.2740 0.01311 0.00803 -0.0677 0.4181 0.7433
9.250 1.2759 0.01367 0.00850 -0.0637 0.3927 0.7512
9.500 1.2687 0.01461 0.00936 -0.0586 0.3631 0.7589
9.750 1.2597 0.01591 0.01053 -0.0538 0.3351 0.7676
10.000 1.2494 0.01746 0.01199 -0.0494 0.3077 0.7758
10.250 1.2399 0.01920 0.01364 -0.0455 0.2796 0.7848
10.500 1.2297 0.02117 0.01552 -0.0419 0.2545 0.7937
10.750 1.2206 0.02323 0.01751 -0.0388 0.2308 0.8033
11.000 1.2114 0.02547 0.01968 -0.0360 0.2098 0.8129
11.250 1.2049 0.02764 0.02182 -0.0336 0.1909 0.8235
11.500 1.1993 0.02985 0.02400 -0.0315 0.1727 0.8343
11.750 1.1954 0.03206 0.02619 -0.0297 0.1569 0.8468
12.000 1.1903 0.03437 0.02849 -0.0279 0.1411 0.8607
12.250 1.1871 0.03657 0.03071 -0.0263 0.1276 0.8779
12.500 1.1851 0.03858 0.03276 -0.0245 0.1175 0.9035
12.750 1.1881 0.04084 0.03508 -0.0245 0.1056 0.9889
13.000 1.1897 0.04316 0.03735 -0.0239 0.0961 1.0000
13.250 1.1926 0.04551 0.03966 -0.0236 0.0878 1.0000
13.500 1.1965 0.04782 0.04194 -0.0234 0.0801 1.0000
13.750 1.2011 0.05006 0.04416 -0.0233 0.0728 1.0000
14.000 1.2052 0.05243 0.04652 -0.0232 0.0670 1.0000
14.250 1.2092 0.05483 0.04890 -0.0231 0.0613 1.0000
14.500 1.2126 0.05733 0.05138 -0.0232 0.0567 1.0000
14.750 1.2183 0.05964 0.05371 -0.0233 0.0527 1.0000
15.000 1.2212 0.06229 0.05635 -0.0234 0.0496 1.0000
15.250 1.2276 0.06460 0.05870 -0.0236 0.0468 1.0000
15.500 1.2301 0.06736 0.06146 -0.0239 0.0446 1.0000
15.750 1.2362 0.06978 0.06393 -0.0242 0.0425 1.0000
16.000 1.2410 0.07236 0.06653 -0.0246 0.0406 1.0000
16.250 1.2421 0.07544 0.06963 -0.0251 0.0390 1.0000
16.500 1.2490 0.07786 0.07211 -0.0256 0.0375 1.0000
16.750 1.2534 0.08058 0.07487 -0.0261 0.0361 1.0000
17.000 1.2540 0.08386 0.07816 -0.0268 0.0349 1.0000
17.250 1.2584 0.08666 0.08102 -0.0275 0.0339 1.0000
17.500 1.2629 0.08951 0.08394 -0.0282 0.0327 1.0000
17.750 1.2667 0.09247 0.08694 -0.0291 0.0317 1.0000
18.000 1.2669 0.09590 0.09039 -0.0301 0.0308 1.0000
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