NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 65(4)-421 (naca654421-il) Reynolds number: 500,000 Max Cl/Cd: 96.31 at α=7.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca654421-il-500000.txt Download as CSV file: xf-naca654421-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 65(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
------ -------- --------- --------- -------- -------- --------
-19.000 -0.5622 0.13949 0.13682 -0.0581 1.0000 0.0311
-18.750 -0.7264 0.10172 0.09854 -0.0788 1.0000 0.0293
-18.500 -0.7784 0.08980 0.08631 -0.0852 1.0000 0.0290
-18.250 -0.8078 0.08233 0.07863 -0.0887 1.0000 0.0290
-18.000 -0.8302 0.07634 0.07245 -0.0912 1.0000 0.0291
-17.750 -0.8477 0.07134 0.06729 -0.0929 1.0000 0.0292
-17.500 -0.8606 0.06713 0.06291 -0.0941 1.0000 0.0293
-17.250 -0.8706 0.06353 0.05918 -0.0950 1.0000 0.0296
-17.000 -0.8806 0.05996 0.05545 -0.0954 1.0000 0.0297
-16.750 -0.8880 0.05700 0.05235 -0.0957 1.0000 0.0301
-16.500 -0.8947 0.05421 0.04941 -0.0957 1.0000 0.0303
-16.250 -0.8994 0.05168 0.04674 -0.0954 1.0000 0.0305
-16.000 -0.9037 0.04936 0.04427 -0.0949 1.0000 0.0307
-15.750 -0.9054 0.04739 0.04218 -0.0942 1.0000 0.0309
-15.500 -0.8915 0.04475 0.03936 -0.0971 0.9787 0.0311
-15.250 -0.8735 0.04231 0.03670 -0.1012 0.9663 0.0313
-15.000 -0.8293 0.04058 0.03496 -0.1036 0.9607 0.0320
-14.750 -0.7940 0.03903 0.03336 -0.1074 0.9516 0.0325
-14.500 -0.7598 0.03754 0.03177 -0.1113 0.9406 0.0329
-14.250 -0.7302 0.03633 0.03045 -0.1139 0.9264 0.0335
-14.000 -0.7077 0.03536 0.02936 -0.1146 0.9111 0.0338
-13.750 -0.6906 0.03448 0.02837 -0.1144 0.8971 0.0342
-13.500 -0.6745 0.03367 0.02744 -0.1139 0.8851 0.0346
-13.250 -0.6573 0.03291 0.02657 -0.1133 0.8742 0.0350
-13.000 -0.6401 0.03220 0.02577 -0.1126 0.8646 0.0352
-12.750 -0.6236 0.03150 0.02496 -0.1119 0.8557 0.0355
-12.500 -0.6056 0.03085 0.02424 -0.1113 0.8476 0.0357
-12.250 -0.5890 0.03019 0.02349 -0.1106 0.8394 0.0359
-12.000 -0.5708 0.02957 0.02281 -0.1098 0.8323 0.0363
-11.750 -0.5542 0.02888 0.02212 -0.1088 0.8247 0.0368
-11.500 -0.5399 0.02816 0.02135 -0.1078 0.8176 0.0371
-11.250 -0.5268 0.02738 0.02055 -0.1069 0.8107 0.0378
-11.000 -0.5134 0.02663 0.01977 -0.1059 0.8038 0.0383
-10.750 -0.5002 0.02590 0.01897 -0.1049 0.7976 0.0388
-10.500 -0.4874 0.02513 0.01817 -0.1039 0.7916 0.0392
-10.250 -0.4751 0.02435 0.01734 -0.1028 0.7854 0.0396
-10.000 -0.4626 0.02361 0.01653 -0.1017 0.7797 0.0402
-9.750 -0.4497 0.02289 0.01575 -0.1006 0.7742 0.0409
-9.500 -0.4371 0.02216 0.01498 -0.0994 0.7684 0.0413
-9.250 -0.4295 0.02120 0.01398 -0.0977 0.7630 0.0421
-9.000 -0.4204 0.02036 0.01308 -0.0962 0.7578 0.0431
-8.750 -0.4091 0.01960 0.01232 -0.0948 0.7529 0.0441
-8.500 -0.3964 0.01893 0.01162 -0.0935 0.7480 0.0455
-8.250 -0.3833 0.01831 0.01093 -0.0921 0.7435 0.0469
-8.000 -0.3730 0.01760 0.01018 -0.0905 0.7391 0.0489
-7.750 -0.3617 0.01693 0.00952 -0.0888 0.7348 0.0515
-7.500 -0.3501 0.01629 0.00887 -0.0872 0.7303 0.0554
-7.250 -0.3419 0.01556 0.00816 -0.0850 0.7260 0.0638
-7.000 -0.3413 0.01465 0.00735 -0.0817 0.7217 0.0886
-6.750 -0.3533 0.01373 0.00667 -0.0762 0.7178 0.1317
-6.500 -0.3555 0.01276 0.00601 -0.0723 0.7138 0.1950
-6.250 -0.3525 0.01173 0.00534 -0.0692 0.7102 0.2749
-6.000 -0.3474 0.01052 0.00460 -0.0666 0.7068 0.3816
-5.750 -0.3312 0.00986 0.00431 -0.0654 0.7035 0.4783
-5.500 -0.3054 0.00975 0.00428 -0.0653 0.7007 0.5122
-5.250 -0.2778 0.00973 0.00426 -0.0654 0.6975 0.5309
-5.000 -0.2496 0.00974 0.00424 -0.0657 0.6943 0.5438
-4.750 -0.2210 0.00978 0.00420 -0.0660 0.6912 0.5561
-4.500 -0.1924 0.00987 0.00428 -0.0662 0.6885 0.5672
-4.250 -0.1634 0.01001 0.00435 -0.0666 0.6857 0.5774
-4.000 -0.1346 0.01017 0.00450 -0.0669 0.6832 0.5869
-3.750 -0.1061 0.01026 0.00458 -0.0671 0.6807 0.5949
-3.500 -0.0772 0.01047 0.00483 -0.0673 0.6780 0.6040
-3.250 -0.0485 0.01062 0.00495 -0.0675 0.6754 0.6125
-3.000 -0.0193 0.01071 0.00505 -0.0678 0.6728 0.6171
-2.750 0.0101 0.01074 0.00503 -0.0683 0.6703 0.6200
-2.500 0.0397 0.01079 0.00500 -0.0689 0.6677 0.6227
-2.250 0.0688 0.01079 0.00497 -0.0694 0.6654 0.6252
-2.000 0.0977 0.01079 0.00493 -0.0699 0.6632 0.6275
-1.750 0.1266 0.01073 0.00485 -0.0704 0.6608 0.6296
-1.500 0.1555 0.01067 0.00479 -0.0708 0.6585 0.6316
-1.250 0.1847 0.01066 0.00478 -0.0713 0.6562 0.6336
-1.000 0.2141 0.01067 0.00478 -0.0718 0.6541 0.6358
-0.750 0.2436 0.01070 0.00477 -0.0724 0.6519 0.6379
-0.500 0.2736 0.01078 0.00480 -0.0731 0.6494 0.6401
-0.250 0.3023 0.01080 0.00483 -0.0735 0.6474 0.6423
0.000 0.3310 0.01081 0.00484 -0.0740 0.6454 0.6446
0.250 0.3600 0.01085 0.00487 -0.0745 0.6432 0.6467
0.500 0.3888 0.01083 0.00486 -0.0750 0.6411 0.6490
0.750 0.4177 0.01082 0.00487 -0.0754 0.6389 0.6511
1.000 0.4470 0.01084 0.00490 -0.0760 0.6367 0.6531
1.250 0.4765 0.01088 0.00493 -0.0765 0.6347 0.6552
1.500 0.5062 0.01097 0.00501 -0.0771 0.6327 0.6575
1.750 0.5356 0.01110 0.00514 -0.0778 0.6307 0.6599
2.000 0.5635 0.01115 0.00523 -0.0781 0.6289 0.6626
2.250 0.5918 0.01120 0.00532 -0.0785 0.6267 0.6650
2.500 0.6201 0.01124 0.00537 -0.0789 0.6243 0.6672
2.750 0.6485 0.01125 0.00544 -0.0793 0.6222 0.6697
3.000 0.6774 0.01130 0.00553 -0.0797 0.6201 0.6719
3.250 0.7066 0.01136 0.00561 -0.0802 0.6181 0.6744
3.500 0.7362 0.01144 0.00570 -0.0809 0.6160 0.6769
3.750 0.7663 0.01163 0.00588 -0.0816 0.6136 0.6796
4.000 0.7926 0.01168 0.00600 -0.0816 0.6112 0.6825
4.250 0.8195 0.01173 0.00610 -0.0817 0.6082 0.6851
4.500 0.8468 0.01172 0.00616 -0.0819 0.6050 0.6881
4.750 0.8750 0.01171 0.00619 -0.0822 0.6018 0.6908
5.000 0.9045 0.01170 0.00619 -0.0827 0.5979 0.6936
5.250 0.9288 0.01168 0.00622 -0.0822 0.5919 0.6966
5.500 0.9538 0.01157 0.00614 -0.0818 0.5852 0.6998
5.750 0.9821 0.01155 0.00608 -0.0820 0.5796 0.7029
6.000 1.0045 0.01153 0.00615 -0.0812 0.5735 0.7059
6.250 1.0269 0.01143 0.00611 -0.0803 0.5658 0.7093
6.500 1.0481 0.01141 0.00615 -0.0792 0.5568 0.7127
6.750 1.0691 0.01143 0.00621 -0.0781 0.5486 0.7165
7.000 1.0893 0.01149 0.00631 -0.0769 0.5399 0.7204
7.250 1.1076 0.01158 0.00639 -0.0754 0.5296 0.7240
7.500 1.1211 0.01164 0.00654 -0.0729 0.5173 0.7279
7.750 1.1303 0.01179 0.00672 -0.0696 0.5037 0.7319
8.000 1.1387 0.01209 0.00702 -0.0663 0.4875 0.7363
8.250 1.1423 0.01258 0.00746 -0.0624 0.4655 0.7410
8.500 1.1399 0.01332 0.00812 -0.0579 0.4366 0.7459
8.750 1.1271 0.01454 0.00920 -0.0520 0.4003 0.7511
9.000 1.1108 0.01618 0.01067 -0.0463 0.3638 0.7569
9.250 1.0966 0.01803 0.01234 -0.0414 0.3289 0.7626
9.500 1.0837 0.01995 0.01415 -0.0370 0.2960 0.7681
9.750 1.0711 0.02207 0.01613 -0.0330 0.2628 0.7739
10.000 1.0619 0.02417 0.01809 -0.0298 0.2319 0.7801
10.250 1.0524 0.02639 0.02018 -0.0267 0.2002 0.7859
10.500 1.0460 0.02852 0.02220 -0.0241 0.1714 0.7922
10.750 1.0399 0.03080 0.02432 -0.0218 0.1415 0.7990
11.000 1.0327 0.03320 0.02656 -0.0195 0.1101 0.8055
11.250 1.0240 0.03580 0.02898 -0.0173 0.0774 0.8125
11.500 1.0200 0.03822 0.03123 -0.0156 0.0533 0.8200
11.750 1.0225 0.04012 0.03313 -0.0143 0.0440 0.8273
12.000 1.0280 0.04189 0.03491 -0.0133 0.0397 0.8356
12.250 1.0353 0.04348 0.03657 -0.0125 0.0371 0.8436
12.500 1.0397 0.04539 0.03851 -0.0115 0.0349 0.8529
12.750 1.0480 0.04694 0.04016 -0.0108 0.0335 0.8627
13.000 1.0555 0.04860 0.04190 -0.0101 0.0322 0.8740
13.250 1.0601 0.05044 0.04382 -0.0091 0.0311 0.8875
13.500 1.0610 0.05258 0.04605 -0.0080 0.0301 0.9042
13.750 1.0683 0.05405 0.04766 -0.0070 0.0295 0.9318
14.000 1.0817 0.05605 0.04976 -0.0083 0.0284 1.0000
14.250 1.0904 0.05809 0.05183 -0.0085 0.0276 1.0000
14.500 1.0962 0.06039 0.05415 -0.0086 0.0268 1.0000
14.750 1.1009 0.06283 0.05661 -0.0087 0.0264 1.0000
15.000 1.1050 0.06532 0.05913 -0.0087 0.0260 1.0000
15.250 1.1138 0.06741 0.06128 -0.0089 0.0255 1.0000
15.500 1.1221 0.06953 0.06346 -0.0091 0.0252 1.0000
15.750 1.1303 0.07166 0.06564 -0.0094 0.0247 1.0000
16.000 1.1375 0.07394 0.06796 -0.0097 0.0243 1.0000
16.250 1.1452 0.07616 0.07022 -0.0100 0.0239 1.0000
16.500 1.1530 0.07837 0.07247 -0.0103 0.0235 1.0000
16.750 1.1603 0.08066 0.07478 -0.0107 0.0232 1.0000
17.000 1.1680 0.08287 0.07702 -0.0111 0.0229 1.0000
17.250 1.1764 0.08487 0.07902 -0.0113 0.0225 1.0000
17.500 1.1871 0.08647 0.08063 -0.0112 0.0222 1.0000
17.750 1.1954 0.08875 0.08299 -0.0118 0.0220 1.0000
18.000 1.2041 0.09092 0.08523 -0.0123 0.0218 1.0000
18.250 1.2111 0.09339 0.08779 -0.0130 0.0215 1.0000
18.500 1.2194 0.09563 0.09010 -0.0136 0.0212 1.0000
18.750 1.2272 0.09794 0.09248 -0.0143 0.0210 1.0000
19.000 1.2343 0.10033 0.09494 -0.0150 0.0207 1.0000
19.250 1.2413 0.10277 0.09743 -0.0158 0.0204 1.0000
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