NACA 66-021 AIRFOIL (n66021-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 66-021 AIRFOIL (n66021-il) Reynolds number: 500,000 Max Cl/Cd: 57.66 at α=6.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-n66021-il-500000.txt Download as CSV file: xf-n66021-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 66-021 AIRFOIL
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 -0.9099 0.09421 0.09027 -0.0751 0.9590 0.0215
-19.500 -0.9224 0.08742 0.08321 -0.0800 0.9500 0.0216
-19.250 -0.9310 0.08181 0.07737 -0.0834 0.9397 0.0215
-19.000 -0.9393 0.07739 0.07272 -0.0851 0.9276 0.0216
-18.750 -0.9456 0.07373 0.06885 -0.0857 0.9172 0.0215
-18.500 -0.9534 0.07018 0.06510 -0.0860 0.9080 0.0216
-18.250 -0.9582 0.06709 0.06181 -0.0860 0.9004 0.0216
-18.000 -0.9630 0.06409 0.05862 -0.0859 0.8932 0.0217
-17.750 -0.9686 0.06140 0.05572 -0.0855 0.8865 0.0218
-17.500 -0.9699 0.05896 0.05311 -0.0851 0.8809 0.0219
-17.250 -0.9610 0.05686 0.05086 -0.0849 0.8759 0.0220
-17.000 -0.9439 0.05542 0.04933 -0.0849 0.8715 0.0223
-16.750 -0.9306 0.05408 0.04791 -0.0847 0.8669 0.0225
-16.500 -0.9187 0.05264 0.04643 -0.0845 0.8625 0.0228
-16.250 -0.9087 0.05120 0.04492 -0.0843 0.8579 0.0231
-16.000 -0.8944 0.04999 0.04361 -0.0840 0.8539 0.0231
-15.750 -0.8815 0.04880 0.04231 -0.0836 0.8498 0.0232
-15.500 -0.8690 0.04754 0.04099 -0.0833 0.8463 0.0235
-15.250 -0.8559 0.04633 0.03972 -0.0830 0.8427 0.0239
-15.000 -0.8430 0.04517 0.03849 -0.0827 0.8391 0.0242
-14.750 -0.8291 0.04410 0.03733 -0.0822 0.8359 0.0246
-14.500 -0.8147 0.04312 0.03627 -0.0818 0.8328 0.0247
-14.250 -0.8007 0.04211 0.03517 -0.0814 0.8298 0.0250
-14.000 -0.7871 0.04104 0.03402 -0.0809 0.8271 0.0255
-13.750 -0.7730 0.04005 0.03297 -0.0804 0.8242 0.0257
-13.500 -0.7605 0.03894 0.03186 -0.0797 0.8216 0.0262
-13.250 -0.7491 0.03783 0.03072 -0.0789 0.8189 0.0265
-13.000 -0.7372 0.03678 0.02964 -0.0782 0.8164 0.0272
-12.750 -0.7244 0.03582 0.02863 -0.0774 0.8139 0.0277
-12.500 -0.7114 0.03488 0.02764 -0.0768 0.8115 0.0286
-12.250 -0.6983 0.03392 0.02664 -0.0760 0.8095 0.0292
-12.000 -0.6844 0.03305 0.02571 -0.0753 0.8073 0.0301
-11.750 -0.6771 0.03178 0.02445 -0.0740 0.8051 0.0312
-11.500 -0.6645 0.03087 0.02352 -0.0731 0.8030 0.0320
-11.250 -0.6519 0.02997 0.02258 -0.0721 0.8009 0.0332
-11.000 -0.6374 0.02921 0.02176 -0.0713 0.7990 0.0344
-10.750 -0.6282 0.02817 0.02071 -0.0699 0.7972 0.0361
-10.500 -0.6147 0.02741 0.01992 -0.0689 0.7953 0.0377
-10.250 -0.6000 0.02677 0.01922 -0.0680 0.7933 0.0396
-10.000 -0.5883 0.02589 0.01837 -0.0667 0.7920 0.0425
-9.750 -0.5730 0.02524 0.01770 -0.0658 0.7904 0.0454
-9.500 -0.5604 0.02446 0.01697 -0.0645 0.7887 0.0504
-9.250 -0.5480 0.02370 0.01625 -0.0632 0.7869 0.0588
-9.000 -0.5395 0.02277 0.01547 -0.0614 0.7853 0.0798
-8.750 -0.5368 0.02162 0.01460 -0.0589 0.7837 0.1241
-8.500 -0.5368 0.02041 0.01369 -0.0559 0.7820 0.1776
-8.250 -0.5384 0.01920 0.01278 -0.0526 0.7805 0.2338
-8.000 -0.5393 0.01810 0.01189 -0.0493 0.7790 0.2791
-7.750 -0.5473 0.01680 0.01086 -0.0448 0.7774 0.3318
-7.500 -0.5568 0.01557 0.00984 -0.0400 0.7758 0.3804
-7.250 -0.5692 0.01437 0.00887 -0.0345 0.7741 0.4249
-7.000 -0.5825 0.01320 0.00792 -0.0285 0.7728 0.4683
-6.750 -0.5987 0.01213 0.00707 -0.0217 0.7712 0.5104
-6.500 -0.6185 0.01122 0.00644 -0.0138 0.7695 0.5576
-6.250 -0.6357 0.01103 0.00652 -0.0054 0.7678 0.6057
-6.000 -0.6336 0.01113 0.00662 -0.0005 0.7664 0.6361
-5.750 -0.6208 0.01123 0.00668 0.0021 0.7652 0.6522
-5.500 -0.5994 0.01145 0.00688 0.0033 0.7641 0.6637
-5.250 -0.5765 0.01165 0.00703 0.0041 0.7629 0.6724
-5.000 -0.5531 0.01197 0.00731 0.0049 0.7620 0.6820
-4.750 -0.5209 0.01256 0.00794 0.0042 0.7613 0.6912
-4.500 -0.4943 0.01307 0.00841 0.0045 0.7605 0.6995
-4.250 -0.4590 0.01367 0.00902 0.0033 0.7599 0.7058
-4.000 -0.4161 0.01447 0.00985 0.0007 0.7594 0.7096
-3.750 -0.3805 0.01502 0.01039 -0.0007 0.7588 0.7134
-3.500 -0.3636 0.01503 0.01033 0.0009 0.7580 0.7184
-3.250 -0.3371 0.01517 0.01043 0.0009 0.7573 0.7214
-3.000 -0.3005 0.01561 0.01088 -0.0008 0.7567 0.7229
-2.750 -0.2654 0.01608 0.01135 -0.0023 0.7560 0.7242
-2.500 -0.2338 0.01636 0.01164 -0.0033 0.7555 0.7256
-2.250 -0.2052 0.01654 0.01182 -0.0038 0.7548 0.7271
-2.000 -0.1777 0.01670 0.01199 -0.0041 0.7538 0.7288
-1.750 -0.1555 0.01678 0.01207 -0.0036 0.7529 0.7312
-1.500 -0.1448 0.01662 0.01188 -0.0013 0.7516 0.7354
-1.250 -0.1310 0.01652 0.01175 0.0006 0.7502 0.7386
-1.000 -0.1041 0.01662 0.01187 0.0004 0.7489 0.7398
-0.750 -0.0780 0.01672 0.01199 0.0002 0.7477 0.7408
-0.500 -0.0519 0.01681 0.01209 0.0001 0.7464 0.7418
-0.250 -0.0256 0.01682 0.01210 0.0000 0.7452 0.7428
0.000 0.0000 0.01683 0.01211 0.0000 0.7440 0.7440
0.250 0.0255 0.01683 0.01211 0.0000 0.7429 0.7452
0.500 0.0518 0.01681 0.01209 -0.0001 0.7418 0.7464
0.750 0.0781 0.01672 0.01199 -0.0002 0.7408 0.7477
1.000 0.1041 0.01661 0.01187 -0.0004 0.7398 0.7489
1.250 0.1310 0.01652 0.01175 -0.0006 0.7386 0.7502
1.500 0.1448 0.01662 0.01188 0.0012 0.7354 0.7515
1.750 0.1553 0.01678 0.01207 0.0036 0.7312 0.7528
2.000 0.1777 0.01670 0.01199 0.0041 0.7288 0.7538
2.250 0.2049 0.01655 0.01183 0.0038 0.7271 0.7548
2.500 0.2341 0.01635 0.01162 0.0032 0.7256 0.7555
2.750 0.2656 0.01607 0.01134 0.0023 0.7242 0.7560
3.000 0.3006 0.01561 0.01088 0.0008 0.7229 0.7567
3.250 0.3371 0.01517 0.01043 -0.0009 0.7214 0.7573
3.500 0.3637 0.01503 0.01033 -0.0010 0.7184 0.7580
3.750 0.3804 0.01502 0.01039 0.0007 0.7134 0.7588
4.000 0.4160 0.01447 0.00985 -0.0007 0.7096 0.7594
4.250 0.4612 0.01356 0.00890 -0.0036 0.7054 0.7599
4.500 0.4945 0.01308 0.00842 -0.0046 0.6997 0.7605
4.750 0.5207 0.01257 0.00795 -0.0042 0.6913 0.7613
5.000 0.5533 0.01197 0.00732 -0.0049 0.6822 0.7620
5.250 0.5765 0.01164 0.00703 -0.0041 0.6724 0.7629
5.500 0.5996 0.01145 0.00688 -0.0033 0.6639 0.7641
5.750 0.6208 0.01123 0.00667 -0.0022 0.6522 0.7652
6.000 0.6336 0.01112 0.00661 0.0005 0.6358 0.7664
6.250 0.6360 0.01103 0.00652 0.0053 0.6061 0.7677
6.500 0.6191 0.01121 0.00644 0.0137 0.5580 0.7695
6.750 0.5996 0.01211 0.00706 0.0216 0.5113 0.7712
7.000 0.5810 0.01324 0.00794 0.0288 0.4659 0.7728
7.250 0.5677 0.01442 0.00890 0.0347 0.4226 0.7741
7.500 0.5564 0.01558 0.00985 0.0400 0.3796 0.7758
7.750 0.5489 0.01675 0.01081 0.0446 0.3340 0.7774
8.000 0.5420 0.01800 0.01182 0.0489 0.2840 0.7789
8.250 0.5358 0.01931 0.01284 0.0529 0.2262 0.7805
8.500 0.5369 0.02041 0.01368 0.0559 0.1766 0.7820
8.750 0.5364 0.02164 0.01460 0.0589 0.1216 0.7836
9.000 0.5390 0.02280 0.01548 0.0614 0.0781 0.7853
9.250 0.5483 0.02369 0.01624 0.0632 0.0580 0.7869
9.500 0.5609 0.02444 0.01695 0.0645 0.0499 0.7887
9.750 0.5737 0.02521 0.01768 0.0657 0.0453 0.7904
10.000 0.5888 0.02587 0.01834 0.0666 0.0421 0.7920
10.250 0.6009 0.02673 0.01917 0.0678 0.0396 0.7933
10.500 0.6154 0.02738 0.01989 0.0688 0.0376 0.7953
10.750 0.6280 0.02819 0.02072 0.0699 0.0358 0.7972
11.000 0.6386 0.02915 0.02171 0.0712 0.0341 0.7990
11.250 0.6522 0.02996 0.02258 0.0721 0.0332 0.8010
11.500 0.6657 0.03080 0.02345 0.0729 0.0321 0.8030
11.750 0.6775 0.03177 0.02443 0.0739 0.0310 0.8051
12.000 0.6840 0.03308 0.02573 0.0753 0.0299 0.8074
12.250 0.6994 0.03387 0.02658 0.0759 0.0290 0.8095
12.500 0.7120 0.03486 0.02761 0.0767 0.0285 0.8115
12.750 0.7250 0.03579 0.02860 0.0774 0.0281 0.8139
13.000 0.7379 0.03674 0.02960 0.0781 0.0274 0.8165
13.250 0.7501 0.03778 0.03067 0.0788 0.0267 0.8190
13.500 0.7612 0.03891 0.03182 0.0796 0.0261 0.8216
13.750 0.7741 0.03997 0.03289 0.0803 0.0258 0.8243
14.000 0.7880 0.04098 0.03397 0.0808 0.0254 0.8272
14.250 0.8021 0.04201 0.03506 0.0812 0.0252 0.8299
14.500 0.8160 0.04305 0.03619 0.0817 0.0247 0.8329
14.750 0.8301 0.04405 0.03728 0.0822 0.0244 0.8360
15.000 0.8438 0.04512 0.03843 0.0826 0.0241 0.8393
15.250 0.8579 0.04622 0.03960 0.0829 0.0238 0.8428
15.500 0.8706 0.04744 0.04088 0.0833 0.0236 0.8464
15.750 0.8835 0.04866 0.04217 0.0835 0.0233 0.8500
16.000 0.8970 0.04985 0.04346 0.0839 0.0232 0.8540
16.250 0.9078 0.05118 0.04489 0.0842 0.0229 0.8584
16.500 0.9202 0.05253 0.04628 0.0845 0.0226 0.8629
16.750 0.9359 0.05374 0.04749 0.0844 0.0222 0.8670
17.000 0.9444 0.05537 0.04929 0.0848 0.0223 0.8719
17.250 0.9556 0.05695 0.05099 0.0851 0.0222 0.8770
17.500 0.9684 0.05894 0.05309 0.0851 0.0219 0.8816
17.750 0.9722 0.06115 0.05545 0.0854 0.0219 0.8870
18.000 0.9655 0.06398 0.05850 0.0858 0.0217 0.8938
18.250 0.9632 0.06682 0.06152 0.0859 0.0217 0.9008
18.500 0.9565 0.06989 0.06479 0.0860 0.0216 0.9092
18.750 0.9469 0.07363 0.06876 0.0857 0.0215 0.9187
19.000 0.9399 0.07738 0.07273 0.0849 0.0215 0.9298
19.250 0.9306 0.08214 0.07772 0.0829 0.0215 0.9420
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