NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 65(4)-221 (naca654221-il) Reynolds number: 500,000 Max Cl/Cd: 86.17 at α=7.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca654221-il-500000.txt Download as CSV file: xf-naca654221-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 65(4)-221
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 -0.8809 0.10475 0.10116 -0.0601 1.0000 0.0271
-19.500 -0.9056 0.09736 0.09358 -0.0639 1.0000 0.0271
-19.250 -0.9271 0.09080 0.08682 -0.0670 1.0000 0.0271
-19.000 -0.9438 0.08525 0.08109 -0.0692 1.0000 0.0271
-18.750 -0.9573 0.08038 0.07605 -0.0710 1.0000 0.0272
-18.500 -0.9688 0.07591 0.07142 -0.0725 1.0000 0.0272
-18.250 -0.9770 0.07200 0.06734 -0.0735 1.0000 0.0273
-18.000 -0.9851 0.06832 0.06350 -0.0744 1.0000 0.0275
-17.750 -0.9886 0.06513 0.06016 -0.0749 1.0000 0.0275
-17.500 -0.9964 0.06195 0.05682 -0.0755 1.0000 0.0278
-17.250 -0.9996 0.05912 0.05384 -0.0758 1.0000 0.0279
-17.000 -1.0035 0.05649 0.05106 -0.0759 1.0000 0.0280
-16.750 -1.0019 0.05430 0.04874 -0.0758 1.0000 0.0281
-16.500 -0.9823 0.05262 0.04699 -0.0754 1.0000 0.0285
-16.250 -0.9658 0.05135 0.04569 -0.0751 1.0000 0.0287
-16.000 -0.9510 0.05011 0.04443 -0.0748 1.0000 0.0289
-15.750 -0.9378 0.04883 0.04313 -0.0746 1.0000 0.0292
-15.500 -0.9251 0.04755 0.04181 -0.0744 1.0000 0.0295
-15.250 -0.9108 0.04639 0.04061 -0.0741 1.0000 0.0297
-15.000 -0.8987 0.04512 0.03931 -0.0739 1.0000 0.0301
-14.750 -0.8845 0.04401 0.03817 -0.0737 1.0000 0.0304
-14.500 -0.8576 0.04265 0.03677 -0.0761 0.9676 0.0308
-14.250 -0.8212 0.04125 0.03527 -0.0804 0.9534 0.0312
-14.000 -0.7861 0.03999 0.03391 -0.0841 0.9375 0.0317
-13.750 -0.7611 0.03899 0.03278 -0.0856 0.9178 0.0320
-13.500 -0.7445 0.03812 0.03179 -0.0854 0.9005 0.0322
-13.250 -0.7300 0.03728 0.03084 -0.0848 0.8866 0.0324
-13.000 -0.7162 0.03643 0.02989 -0.0841 0.8748 0.0327
-12.750 -0.7028 0.03559 0.02902 -0.0830 0.8642 0.0331
-12.500 -0.6918 0.03459 0.02797 -0.0820 0.8545 0.0336
-12.250 -0.6808 0.03359 0.02692 -0.0811 0.8451 0.0341
-12.000 -0.6696 0.03261 0.02588 -0.0802 0.8367 0.0346
-11.750 -0.6582 0.03162 0.02485 -0.0793 0.8281 0.0352
-11.500 -0.6473 0.03065 0.02379 -0.0784 0.8207 0.0358
-11.250 -0.6358 0.02967 0.02277 -0.0775 0.8133 0.0363
-11.000 -0.6246 0.02873 0.02175 -0.0765 0.8063 0.0368
-10.750 -0.6131 0.02782 0.02076 -0.0755 0.8000 0.0374
-10.500 -0.6018 0.02689 0.01980 -0.0745 0.7933 0.0378
-10.250 -0.5972 0.02564 0.01849 -0.0729 0.7868 0.0387
-10.000 -0.5884 0.02464 0.01745 -0.0716 0.7808 0.0398
-9.750 -0.5774 0.02374 0.01652 -0.0704 0.7748 0.0408
-9.500 -0.5660 0.02291 0.01563 -0.0692 0.7692 0.0422
-9.250 -0.5539 0.02215 0.01479 -0.0680 0.7640 0.0435
-9.000 -0.5454 0.02117 0.01381 -0.0664 0.7588 0.0454
-8.750 -0.5348 0.02034 0.01296 -0.0650 0.7537 0.0486
-8.500 -0.5249 0.01951 0.01211 -0.0634 0.7490 0.0525
-8.250 -0.5181 0.01857 0.01120 -0.0615 0.7443 0.0624
-8.000 -0.5181 0.01733 0.01013 -0.0587 0.7394 0.0885
-7.750 -0.5266 0.01582 0.00888 -0.0548 0.7344 0.1375
-7.500 -0.5318 0.01460 0.00784 -0.0509 0.7298 0.1801
-7.250 -0.5412 0.01342 0.00686 -0.0461 0.7255 0.2256
-7.000 -0.5534 0.01256 0.00622 -0.0401 0.7213 0.2698
-6.750 -0.5580 0.01157 0.00552 -0.0354 0.7172 0.3354
-6.500 -0.5587 0.01052 0.00487 -0.0314 0.7136 0.4204
-6.250 -0.5435 0.01008 0.00465 -0.0296 0.7102 0.4831
-6.000 -0.5197 0.00998 0.00459 -0.0291 0.7070 0.5108
-5.750 -0.4936 0.00993 0.00454 -0.0290 0.7037 0.5280
-5.500 -0.4666 0.00992 0.00449 -0.0290 0.7003 0.5408
-5.250 -0.4395 0.00996 0.00445 -0.0291 0.6971 0.5535
-5.000 -0.4117 0.01000 0.00450 -0.0292 0.6943 0.5633
-4.750 -0.3840 0.01011 0.00451 -0.0293 0.6914 0.5733
-4.500 -0.3558 0.01027 0.00468 -0.0294 0.6887 0.5829
-4.250 -0.3279 0.01034 0.00471 -0.0296 0.6861 0.5904
-4.000 -0.2989 0.01049 0.00491 -0.0298 0.6833 0.5982
-3.750 -0.2710 0.01073 0.00506 -0.0299 0.6804 0.6069
-3.500 -0.2416 0.01073 0.00510 -0.0302 0.6777 0.6120
-3.250 -0.2123 0.01076 0.00510 -0.0307 0.6751 0.6152
-3.000 -0.1831 0.01083 0.00509 -0.0311 0.6725 0.6184
-2.750 -0.1543 0.01082 0.00505 -0.0316 0.6702 0.6211
-2.500 -0.1256 0.01079 0.00498 -0.0321 0.6679 0.6234
-2.250 -0.0967 0.01074 0.00490 -0.0325 0.6654 0.6256
-2.000 -0.0676 0.01065 0.00481 -0.0330 0.6630 0.6277
-1.750 -0.0382 0.01061 0.00476 -0.0335 0.6607 0.6296
-1.500 -0.0088 0.01060 0.00473 -0.0340 0.6584 0.6316
-1.250 0.0206 0.01062 0.00471 -0.0346 0.6561 0.6338
-1.000 0.0500 0.01069 0.00474 -0.0351 0.6536 0.6361
-0.750 0.0788 0.01067 0.00473 -0.0356 0.6517 0.6384
-0.500 0.1077 0.01067 0.00472 -0.0361 0.6495 0.6405
-0.250 0.1367 0.01068 0.00471 -0.0366 0.6473 0.6424
0.000 0.1658 0.01064 0.00467 -0.0371 0.6451 0.6447
0.250 0.1950 0.01061 0.00466 -0.0376 0.6429 0.6469
0.500 0.2244 0.01062 0.00467 -0.0381 0.6407 0.6490
0.750 0.2539 0.01065 0.00470 -0.0387 0.6386 0.6511
1.000 0.2835 0.01076 0.00478 -0.0393 0.6365 0.6533
1.250 0.3122 0.01080 0.00485 -0.0397 0.6347 0.6556
1.500 0.3408 0.01083 0.00491 -0.0402 0.6327 0.6580
1.750 0.3695 0.01087 0.00497 -0.0406 0.6305 0.6603
2.000 0.3983 0.01088 0.00500 -0.0411 0.6281 0.6626
2.250 0.4272 0.01088 0.00503 -0.0415 0.6259 0.6651
2.500 0.4564 0.01091 0.00510 -0.0420 0.6240 0.6674
2.750 0.4858 0.01097 0.00517 -0.0426 0.6220 0.6697
3.000 0.5154 0.01105 0.00526 -0.0432 0.6199 0.6722
3.250 0.5444 0.01119 0.00542 -0.0437 0.6177 0.6748
3.500 0.5720 0.01123 0.00552 -0.0439 0.6154 0.6774
3.750 0.5999 0.01127 0.00559 -0.0442 0.6123 0.6798
4.000 0.6281 0.01123 0.00562 -0.0445 0.6091 0.6827
4.250 0.6570 0.01123 0.00566 -0.0449 0.6061 0.6854
4.500 0.6866 0.01123 0.00567 -0.0454 0.6025 0.6882
4.750 0.7127 0.01119 0.00569 -0.0452 0.5965 0.6911
5.000 0.7396 0.01104 0.00555 -0.0451 0.5892 0.6942
5.250 0.7689 0.01103 0.00549 -0.0455 0.5832 0.6971
5.500 0.7929 0.01095 0.00551 -0.0450 0.5765 0.6999
5.750 0.8186 0.01081 0.00539 -0.0447 0.5681 0.7030
6.000 0.8422 0.01077 0.00544 -0.0441 0.5590 0.7062
6.250 0.8669 0.01076 0.00544 -0.0436 0.5502 0.7097
6.500 0.8897 0.01078 0.00553 -0.0429 0.5395 0.7135
6.750 0.9120 0.01084 0.00560 -0.0421 0.5276 0.7170
7.000 0.9326 0.01091 0.00568 -0.0409 0.5145 0.7205
7.250 0.9504 0.01103 0.00584 -0.0393 0.4972 0.7242
7.500 0.9638 0.01125 0.00604 -0.0369 0.4730 0.7280
7.750 0.9628 0.01164 0.00633 -0.0319 0.4403 0.7325
8.000 0.9503 0.01255 0.00702 -0.0254 0.3990 0.7370
8.250 0.9363 0.01373 0.00805 -0.0194 0.3581 0.7420
8.500 0.9224 0.01519 0.00934 -0.0139 0.3190 0.7472
8.750 0.9104 0.01682 0.01079 -0.0092 0.2806 0.7528
9.000 0.8999 0.01857 0.01235 -0.0051 0.2430 0.7581
9.250 0.8921 0.02027 0.01394 -0.0016 0.2094 0.7636
9.500 0.8851 0.02209 0.01560 0.0016 0.1755 0.7693
9.750 0.8791 0.02398 0.01730 0.0044 0.1422 0.7751
10.000 0.8717 0.02596 0.01912 0.0072 0.1065 0.7809
10.250 0.8649 0.02803 0.02102 0.0098 0.0739 0.7871
10.500 0.8640 0.02988 0.02273 0.0116 0.0541 0.7937
10.750 0.8677 0.03143 0.02426 0.0132 0.0460 0.8000
11.000 0.8757 0.03274 0.02561 0.0143 0.0420 0.8072
11.250 0.8828 0.03420 0.02708 0.0154 0.0395 0.8144
11.500 0.8923 0.03543 0.02841 0.0163 0.0376 0.8217
11.750 0.9010 0.03680 0.02982 0.0172 0.0362 0.8299
12.000 0.9045 0.03856 0.03163 0.0184 0.0347 0.8377
12.250 0.9145 0.03986 0.03301 0.0191 0.0336 0.8469
12.500 0.9232 0.04125 0.03450 0.0199 0.0328 0.8562
12.750 0.9313 0.04273 0.03604 0.0207 0.0318 0.8671
13.000 0.9379 0.04423 0.03764 0.0217 0.0311 0.8796
13.250 0.9409 0.04606 0.03954 0.0228 0.0303 0.8946
13.500 0.9448 0.04779 0.04137 0.0238 0.0298 0.9147
13.750 0.9593 0.04938 0.04311 0.0231 0.0293 0.9446
14.000 0.9786 0.05125 0.04507 0.0207 0.0285 1.0000
14.250 0.9891 0.05295 0.04680 0.0206 0.0281 1.0000
14.500 0.9987 0.05473 0.04861 0.0206 0.0277 1.0000
14.750 1.0076 0.05657 0.05047 0.0205 0.0272 1.0000
15.000 1.0175 0.05833 0.05224 0.0204 0.0268 1.0000
15.250 1.0259 0.06018 0.05409 0.0204 0.0263 1.0000
15.500 1.0348 0.06194 0.05586 0.0205 0.0260 1.0000
15.750 1.0458 0.06339 0.05731 0.0208 0.0256 1.0000
16.000 1.0558 0.06525 0.05926 0.0206 0.0253 1.0000
16.250 1.0671 0.06690 0.06095 0.0204 0.0251 1.0000
16.500 1.0782 0.06857 0.06267 0.0203 0.0249 1.0000
16.750 1.0881 0.07041 0.06458 0.0200 0.0246 1.0000
17.000 1.0987 0.07216 0.06637 0.0198 0.0244 1.0000
17.250 1.1081 0.07409 0.06837 0.0195 0.0239 1.0000
17.500 1.1171 0.07610 0.07043 0.0191 0.0236 1.0000
17.750 1.1267 0.07802 0.07240 0.0187 0.0233 1.0000
18.000 1.1357 0.08003 0.07446 0.0183 0.0231 1.0000
18.250 1.1446 0.08205 0.07653 0.0179 0.0228 1.0000
18.500 1.1544 0.08395 0.07847 0.0175 0.0227 1.0000
18.750 1.1644 0.08582 0.08036 0.0171 0.0224 1.0000
19.000 1.1758 0.08750 0.08207 0.0168 0.0222 1.0000
19.250 1.1943 0.08826 0.08286 0.0172 0.0218 1.0000
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