NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 65(4)-221 (naca654221-il) Reynolds number: 500,000 Max Cl/Cd: 78.56 at α=6° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca654221-il-500000-n5.txt Download as CSV file: xf-naca654221-il-500000-n5.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 = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -0.9766 0.09087 0.08608 -0.0601 1.0000 0.0197
-19.500 -0.9767 0.08755 0.08266 -0.0614 1.0000 0.0197
-19.250 -0.9765 0.08426 0.07927 -0.0627 1.0000 0.0199
-19.000 -0.9747 0.08130 0.07622 -0.0638 1.0000 0.0200
-18.750 -0.9725 0.07844 0.07327 -0.0647 1.0000 0.0201
-18.500 -0.9695 0.07571 0.07044 -0.0656 1.0000 0.0202
-18.250 -0.9658 0.07314 0.06779 -0.0663 1.0000 0.0203
-18.000 -0.9613 0.07067 0.06524 -0.0670 1.0000 0.0204
-17.750 -0.9568 0.06834 0.06286 -0.0674 1.0000 0.0205
-17.500 -0.9510 0.06619 0.06066 -0.0678 1.0000 0.0206
-17.250 -0.9459 0.06396 0.05840 -0.0682 1.0000 0.0209
-17.000 -0.9395 0.06189 0.05629 -0.0686 1.0000 0.0211
-16.750 -0.9327 0.05990 0.05425 -0.0688 1.0000 0.0212
-16.500 -0.9255 0.05795 0.05227 -0.0691 1.0000 0.0214
-16.250 -0.9162 0.05601 0.05029 -0.0696 0.9711 0.0215
-16.000 -0.8885 0.05356 0.04774 -0.0747 0.9484 0.0218
-15.750 -0.8602 0.05128 0.04535 -0.0794 0.9303 0.0220
-15.500 -0.8415 0.04943 0.04338 -0.0816 0.9087 0.0223
-15.250 -0.8305 0.04785 0.04167 -0.0820 0.8899 0.0225
-15.000 -0.8207 0.04642 0.04012 -0.0818 0.8752 0.0227
-14.750 -0.8117 0.04499 0.03859 -0.0815 0.8623 0.0229
-14.500 -0.8027 0.04358 0.03708 -0.0811 0.8515 0.0230
-14.250 -0.7928 0.04229 0.03568 -0.0806 0.8410 0.0232
-14.000 -0.7827 0.04098 0.03430 -0.0802 0.8314 0.0235
-13.750 -0.7729 0.03971 0.03293 -0.0797 0.8223 0.0237
-13.500 -0.7612 0.03856 0.03169 -0.0793 0.8145 0.0240
-13.250 -0.7513 0.03731 0.03038 -0.0788 0.8066 0.0242
-13.000 -0.7436 0.03593 0.02893 -0.0781 0.7998 0.0245
-12.750 -0.7342 0.03466 0.02763 -0.0775 0.7927 0.0248
-12.500 -0.7238 0.03352 0.02642 -0.0768 0.7857 0.0251
-12.250 -0.7129 0.03243 0.02527 -0.0761 0.7795 0.0253
-12.000 -0.7012 0.03139 0.02418 -0.0755 0.7727 0.0258
-11.750 -0.6901 0.03037 0.02308 -0.0747 0.7661 0.0261
-11.500 -0.6780 0.02940 0.02207 -0.0739 0.7604 0.0265
-11.250 -0.6660 0.02845 0.02106 -0.0732 0.7545 0.0270
-11.000 -0.6536 0.02757 0.02011 -0.0723 0.7489 0.0274
-10.750 -0.6407 0.02673 0.01921 -0.0715 0.7441 0.0278
-10.500 -0.6276 0.02589 0.01833 -0.0707 0.7391 0.0281
-10.250 -0.6168 0.02496 0.01736 -0.0696 0.7337 0.0288
-10.000 -0.6052 0.02411 0.01646 -0.0685 0.7286 0.0296
-9.750 -0.5916 0.02336 0.01568 -0.0676 0.7240 0.0304
-9.500 -0.5783 0.02260 0.01488 -0.0666 0.7192 0.0313
-9.250 -0.5639 0.02192 0.01415 -0.0657 0.7145 0.0323
-9.000 -0.5505 0.02123 0.01341 -0.0646 0.7102 0.0332
-8.750 -0.5377 0.02049 0.01266 -0.0634 0.7064 0.0352
-8.500 -0.5232 0.01984 0.01199 -0.0624 0.7025 0.0369
-8.250 -0.5100 0.01916 0.01130 -0.0612 0.6984 0.0397
-8.000 -0.4969 0.01850 0.01062 -0.0599 0.6943 0.0437
-7.500 -0.4770 0.01695 0.00915 -0.0565 0.6868 0.0663
-7.250 -0.4695 0.01611 0.00840 -0.0544 0.6829 0.0859
-7.000 -0.4635 0.01527 0.00766 -0.0520 0.6792 0.1092
-6.750 -0.4580 0.01448 0.00696 -0.0493 0.6757 0.1349
-6.500 -0.4545 0.01374 0.00630 -0.0462 0.6725 0.1608
-6.250 -0.4548 0.01314 0.00581 -0.0421 0.6695 0.1880
-6.000 -0.4496 0.01253 0.00535 -0.0389 0.6665 0.2250
-5.750 -0.4421 0.01182 0.00485 -0.0361 0.6633 0.2737
-5.500 -0.4357 0.01094 0.00427 -0.0332 0.6601 0.3427
-5.250 -0.4283 0.00999 0.00373 -0.0304 0.6570 0.4335
-5.000 -0.4078 0.00965 0.00356 -0.0295 0.6542 0.4848
-4.750 -0.3827 0.00951 0.00350 -0.0293 0.6517 0.5134
-4.500 -0.3559 0.00946 0.00347 -0.0293 0.6492 0.5334
-4.250 -0.3283 0.00943 0.00345 -0.0295 0.6466 0.5453
-4.000 -0.3005 0.00944 0.00344 -0.0296 0.6440 0.5580
-3.750 -0.2727 0.00951 0.00346 -0.0298 0.6416 0.5706
-3.500 -0.2443 0.00951 0.00347 -0.0301 0.6393 0.5769
-3.250 -0.2156 0.00952 0.00342 -0.0304 0.6370 0.5805
-3.000 -0.1867 0.00951 0.00337 -0.0308 0.6347 0.5832
-2.750 -0.1576 0.00948 0.00331 -0.0313 0.6323 0.5856
-2.500 -0.1285 0.00946 0.00324 -0.0318 0.6298 0.5877
-2.250 -0.0995 0.00944 0.00318 -0.0322 0.6275 0.5895
-2.000 -0.0705 0.00941 0.00315 -0.0327 0.6254 0.5915
-1.750 -0.0416 0.00940 0.00312 -0.0331 0.6232 0.5936
-1.500 -0.0126 0.00940 0.00310 -0.0335 0.6212 0.5956
-1.250 0.0165 0.00941 0.00307 -0.0340 0.6193 0.5975
-1.000 0.0456 0.00941 0.00306 -0.0344 0.6173 0.5995
-0.750 0.0747 0.00941 0.00305 -0.0349 0.6152 0.6016
-0.500 0.1038 0.00941 0.00305 -0.0354 0.6129 0.6039
-0.250 0.1329 0.00942 0.00304 -0.0359 0.6107 0.6059
0.000 0.1620 0.00943 0.00304 -0.0363 0.6087 0.6078
0.250 0.1909 0.00942 0.00305 -0.0368 0.6067 0.6096
0.500 0.2199 0.00944 0.00307 -0.0372 0.6048 0.6115
0.750 0.2488 0.00946 0.00309 -0.0376 0.6030 0.6135
1.000 0.2778 0.00951 0.00312 -0.0381 0.6010 0.6157
1.250 0.3067 0.00953 0.00317 -0.0385 0.5990 0.6180
1.500 0.3356 0.00955 0.00322 -0.0389 0.5970 0.6204
1.750 0.3646 0.00958 0.00327 -0.0394 0.5951 0.6226
2.000 0.3935 0.00962 0.00332 -0.0399 0.5931 0.6245
2.250 0.4222 0.00964 0.00337 -0.0403 0.5910 0.6265
2.500 0.4508 0.00967 0.00343 -0.0406 0.5889 0.6286
2.750 0.4794 0.00971 0.00350 -0.0410 0.5868 0.6307
3.000 0.5082 0.00976 0.00357 -0.0414 0.5850 0.6330
3.250 0.5371 0.00983 0.00365 -0.0419 0.5830 0.6355
3.500 0.5653 0.00988 0.00376 -0.0422 0.5810 0.6382
3.750 0.5935 0.00993 0.00385 -0.0425 0.5784 0.6408
4.000 0.6215 0.00997 0.00393 -0.0428 0.5749 0.6432
4.250 0.6491 0.00999 0.00401 -0.0430 0.5711 0.6455
4.500 0.6768 0.01004 0.00406 -0.0431 0.5671 0.6479
4.750 0.7027 0.01005 0.00415 -0.0430 0.5597 0.6504
5.000 0.7278 0.01007 0.00416 -0.0427 0.5497 0.6532
5.250 0.7531 0.01011 0.00426 -0.0424 0.5401 0.6560
5.500 0.7776 0.01019 0.00433 -0.0420 0.5304 0.6589
5.750 0.8001 0.01030 0.00442 -0.0412 0.5157 0.6617
6.000 0.8202 0.01044 0.00456 -0.0401 0.4942 0.6647
6.250 0.8358 0.01070 0.00476 -0.0381 0.4672 0.6679
6.500 0.8410 0.01119 0.00508 -0.0343 0.4256 0.6712
6.750 0.8291 0.01196 0.00563 -0.0276 0.3806 0.6747
7.000 0.8184 0.01305 0.00652 -0.0218 0.3381 0.6782
7.250 0.8095 0.01428 0.00756 -0.0167 0.2972 0.6815
7.500 0.8049 0.01550 0.00865 -0.0127 0.2619 0.6850
7.750 0.8011 0.01683 0.00984 -0.0091 0.2278 0.6888
8.000 0.7983 0.01823 0.01109 -0.0058 0.1949 0.6930
8.250 0.8017 0.01942 0.01219 -0.0034 0.1720 0.6972
8.500 0.8040 0.02072 0.01339 -0.0011 0.1478 0.7012
8.750 0.8070 0.02202 0.01462 0.0011 0.1256 0.7054
9.000 0.8103 0.02337 0.01588 0.0031 0.1032 0.7097
9.250 0.8156 0.02465 0.01709 0.0048 0.0858 0.7142
9.500 0.8206 0.02601 0.01836 0.0064 0.0685 0.7182
9.750 0.8260 0.02734 0.01966 0.0080 0.0533 0.7225
10.000 0.8336 0.02860 0.02089 0.0092 0.0432 0.7273
10.250 0.8431 0.02979 0.02208 0.0103 0.0376 0.7324
10.500 0.8540 0.03093 0.02322 0.0112 0.0339 0.7373
10.750 0.8651 0.03203 0.02437 0.0120 0.0316 0.7425
11.000 0.8759 0.03320 0.02557 0.0129 0.0297 0.7483
11.250 0.8885 0.03428 0.02671 0.0135 0.0285 0.7540
11.500 0.9002 0.03545 0.02792 0.0141 0.0273 0.7592
11.750 0.9112 0.03665 0.02918 0.0148 0.0264 0.7650
12.000 0.9214 0.03797 0.03054 0.0155 0.0255 0.7711
12.250 0.9333 0.03918 0.03182 0.0160 0.0247 0.7770
12.500 0.9446 0.04043 0.03315 0.0165 0.0242 0.7836
12.750 0.9553 0.04178 0.03456 0.0170 0.0235 0.7909
13.000 0.9654 0.04319 0.03602 0.0175 0.0229 0.7980
13.250 0.9748 0.04465 0.03754 0.0180 0.0223 0.8059
13.500 0.9828 0.04632 0.03926 0.0185 0.0218 0.8136
13.750 0.9929 0.04775 0.04079 0.0189 0.0215 0.8218
14.000 1.0033 0.04923 0.04235 0.0192 0.0209 0.8304
14.250 1.0121 0.05084 0.04406 0.0195 0.0206 0.8392
14.500 1.0211 0.05246 0.04576 0.0198 0.0203 0.8490
14.750 1.0284 0.05421 0.04761 0.0202 0.0199 0.8601
15.000 1.0362 0.05592 0.04942 0.0205 0.0197 0.8731
15.250 1.0434 0.05767 0.05126 0.0209 0.0193 0.8899
15.500 1.0496 0.05965 0.05337 0.0210 0.0191 0.9139
15.750 1.0629 0.06202 0.05584 0.0192 0.0188 0.9444
16.000 1.0706 0.06455 0.05844 0.0179 0.0184 1.0000
16.250 1.0774 0.06677 0.06071 0.0176 0.0183 1.0000
16.500 1.0847 0.06896 0.06297 0.0172 0.0182 1.0000
16.750 1.0910 0.07131 0.06538 0.0168 0.0180 1.0000
17.000 1.0967 0.07370 0.06783 0.0163 0.0179 1.0000
17.250 1.1028 0.07614 0.07034 0.0158 0.0176 1.0000
17.500 1.1080 0.07868 0.07294 0.0152 0.0173 1.0000
17.750 1.1123 0.08140 0.07572 0.0145 0.0172 1.0000
18.000 1.1174 0.08402 0.07841 0.0137 0.0171 1.0000
18.250 1.1215 0.08683 0.08129 0.0129 0.0169 1.0000
18.500 1.1253 0.08968 0.08420 0.0120 0.0167 1.0000
18.750 1.1292 0.09258 0.08717 0.0110 0.0165 1.0000
19.000 1.1325 0.09556 0.09022 0.0099 0.0164 1.0000
19.250 1.1353 0.09869 0.09341 0.0087 0.0162 1.0000
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