NACA 66(4)-221 (naca664221-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 66(4)-221 (naca664221-il) Reynolds number: 500,000 Max Cl/Cd: 69.07 at α=5.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca664221-il-500000-n5.txt Download as CSV file: xf-naca664221-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 66(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 -0.8469 0.08124 0.07613 -0.1035 0.8716 0.0169
-19.500 -0.8495 0.07780 0.07254 -0.1047 0.8653 0.0169
-19.250 -0.8507 0.07455 0.06914 -0.1058 0.8601 0.0170
-19.000 -0.8510 0.07149 0.06595 -0.1069 0.8551 0.0171
-18.750 -0.8509 0.06855 0.06286 -0.1077 0.8500 0.0172
-18.500 -0.8490 0.06594 0.06012 -0.1083 0.8452 0.0173
-18.250 -0.8461 0.06349 0.05756 -0.1088 0.8411 0.0173
-18.000 -0.8430 0.06106 0.05501 -0.1092 0.8369 0.0174
-17.750 -0.8393 0.05881 0.05269 -0.1095 0.8326 0.0175
-17.500 -0.8356 0.05663 0.05044 -0.1097 0.8285 0.0177
-17.000 -0.8243 0.05273 0.04636 -0.1098 0.8213 0.0179
-16.750 -0.8177 0.05091 0.04448 -0.1098 0.8177 0.0181
-16.500 -0.8108 0.04917 0.04265 -0.1097 0.8141 0.0182
-16.250 -0.8033 0.04755 0.04095 -0.1095 0.8105 0.0183
-16.000 -0.7949 0.04604 0.03936 -0.1092 0.8072 0.0185
-15.750 -0.7863 0.04456 0.03780 -0.1089 0.8043 0.0187
-15.500 -0.7770 0.04314 0.03633 -0.1086 0.8014 0.0189
-15.250 -0.7676 0.04177 0.03488 -0.1082 0.7985 0.0191
-15.000 -0.7575 0.04049 0.03354 -0.1077 0.7955 0.0193
-14.750 -0.7475 0.03925 0.03222 -0.1072 0.7926 0.0195
-14.500 -0.7368 0.03809 0.03098 -0.1066 0.7899 0.0197
-14.250 -0.7256 0.03697 0.02978 -0.1060 0.7873 0.0201
-14.000 -0.7136 0.03592 0.02865 -0.1054 0.7850 0.0203
-13.750 -0.7023 0.03484 0.02752 -0.1048 0.7827 0.0204
-13.500 -0.6912 0.03376 0.02640 -0.1040 0.7802 0.0208
-13.250 -0.6799 0.03273 0.02534 -0.1033 0.7777 0.0211
-13.000 -0.6676 0.03179 0.02435 -0.1025 0.7752 0.0214
-12.750 -0.6534 0.03099 0.02351 -0.1019 0.7729 0.0219
-12.500 -0.6393 0.03020 0.02267 -0.1012 0.7706 0.0224
-12.250 -0.6263 0.02936 0.02177 -0.1003 0.7686 0.0228
-12.000 -0.6116 0.02861 0.02098 -0.0996 0.7669 0.0233
-11.750 -0.5972 0.02786 0.02018 -0.0989 0.7652 0.0238
-11.500 -0.5823 0.02714 0.01943 -0.0981 0.7635 0.0243
-11.250 -0.5689 0.02635 0.01864 -0.0972 0.7616 0.0249
-11.000 -0.5537 0.02569 0.01795 -0.0964 0.7598 0.0255
-10.750 -0.5382 0.02505 0.01728 -0.0955 0.7580 0.0264
-10.500 -0.5221 0.02447 0.01666 -0.0948 0.7564 0.0272
-10.250 -0.5057 0.02390 0.01604 -0.0939 0.7548 0.0277
-10.000 -0.4899 0.02332 0.01543 -0.0931 0.7533 0.0287
-9.750 -0.4742 0.02275 0.01485 -0.0921 0.7518 0.0297
-9.500 -0.4573 0.02225 0.01431 -0.0913 0.7503 0.0310
-9.250 -0.4398 0.02178 0.01381 -0.0906 0.7491 0.0322
-9.000 -0.4232 0.02126 0.01330 -0.0897 0.7479 0.0339
-8.750 -0.4061 0.02078 0.01283 -0.0888 0.7466 0.0361
-8.500 -0.3893 0.02031 0.01236 -0.0879 0.7453 0.0386
-8.250 -0.3723 0.01985 0.01191 -0.0870 0.7440 0.0419
-8.000 -0.3554 0.01940 0.01148 -0.0860 0.7428 0.0463
-7.750 -0.3392 0.01892 0.01104 -0.0849 0.7415 0.0540
-7.500 -0.3251 0.01837 0.01057 -0.0835 0.7403 0.0689
-7.250 -0.3115 0.01782 0.01010 -0.0821 0.7390 0.0862
-7.000 -0.3008 0.01717 0.00960 -0.0802 0.7378 0.1161
-6.750 -0.2936 0.01642 0.00904 -0.0778 0.7366 0.1572
-6.500 -0.2868 0.01568 0.00848 -0.0752 0.7354 0.1976
-6.250 -0.2822 0.01490 0.00789 -0.0723 0.7340 0.2411
-6.000 -0.2798 0.01410 0.00726 -0.0690 0.7326 0.2853
-5.750 -0.2798 0.01326 0.00661 -0.0652 0.7314 0.3282
-5.500 -0.2836 0.01237 0.00593 -0.0606 0.7303 0.3723
-5.250 -0.2911 0.01149 0.00524 -0.0552 0.7290 0.4148
-5.000 -0.3063 0.01071 0.00465 -0.0480 0.7276 0.4575
-4.750 -0.3212 0.01021 0.00433 -0.0404 0.7262 0.4999
-4.500 -0.3318 0.00955 0.00411 -0.0334 0.7249 0.5786
-4.250 -0.3147 0.00962 0.00437 -0.0314 0.7239 0.6423
-4.000 -0.2901 0.00974 0.00447 -0.0310 0.7231 0.6604
-3.750 -0.2643 0.00986 0.00456 -0.0308 0.7223 0.6720
-3.500 -0.2372 0.01001 0.00470 -0.0308 0.7215 0.6805
-3.250 -0.2110 0.01009 0.00472 -0.0308 0.7207 0.6869
-3.000 -0.1812 0.01026 0.00491 -0.0313 0.7200 0.6913
-2.750 -0.1524 0.01038 0.00501 -0.0317 0.7193 0.6954
-2.500 -0.1248 0.01043 0.00502 -0.0319 0.7186 0.6988
-2.250 -0.0973 0.01043 0.00496 -0.0323 0.7180 0.7008
-2.000 -0.0701 0.01043 0.00490 -0.0325 0.7173 0.7028
-1.750 -0.0411 0.01045 0.00493 -0.0330 0.7166 0.7050
-1.500 -0.0115 0.01052 0.00500 -0.0336 0.7158 0.7070
-1.250 0.0178 0.01058 0.00504 -0.0342 0.7150 0.7086
-1.000 0.0466 0.01061 0.00505 -0.0348 0.7143 0.7095
-0.750 0.0743 0.01061 0.00505 -0.0352 0.7138 0.7103
-0.500 0.1018 0.01061 0.00505 -0.0355 0.7131 0.7110
-0.250 0.1293 0.01063 0.00508 -0.0358 0.7125 0.7120
0.000 0.1567 0.01065 0.00511 -0.0362 0.7118 0.7130
0.250 0.1840 0.01067 0.00513 -0.0365 0.7111 0.7137
0.500 0.2113 0.01069 0.00516 -0.0368 0.7103 0.7145
0.750 0.2384 0.01071 0.00519 -0.0371 0.7093 0.7153
1.000 0.2656 0.01073 0.00522 -0.0373 0.7082 0.7160
1.250 0.2929 0.01076 0.00526 -0.0377 0.7073 0.7168
1.500 0.3204 0.01077 0.00528 -0.0380 0.7059 0.7175
1.750 0.3483 0.01075 0.00526 -0.0383 0.7042 0.7182
2.000 0.3770 0.01070 0.00522 -0.0389 0.7023 0.7189
2.250 0.4065 0.01064 0.00515 -0.0395 0.7003 0.7195
2.500 0.4362 0.01061 0.00510 -0.0402 0.6985 0.7203
2.750 0.4661 0.01064 0.00512 -0.0410 0.6970 0.7210
3.000 0.4899 0.01066 0.00521 -0.0406 0.6950 0.7218
3.250 0.5136 0.01066 0.00527 -0.0401 0.6920 0.7226
3.500 0.5391 0.01061 0.00527 -0.0399 0.6884 0.7233
3.750 0.5666 0.01054 0.00523 -0.0401 0.6853 0.7240
4.000 0.5953 0.01047 0.00518 -0.0406 0.6825 0.7247
4.250 0.6234 0.01041 0.00514 -0.0409 0.6788 0.7254
4.500 0.6409 0.01040 0.00522 -0.0391 0.6726 0.7263
4.750 0.6647 0.01028 0.00511 -0.0385 0.6657 0.7271
5.000 0.6830 0.01025 0.00513 -0.0368 0.6578 0.7280
5.250 0.7007 0.01016 0.00504 -0.0350 0.6467 0.7290
5.500 0.7018 0.01016 0.00508 -0.0299 0.6308 0.7302
5.750 0.6994 0.01035 0.00522 -0.0243 0.5991 0.7315
6.000 0.6790 0.01112 0.00567 -0.0157 0.5459 0.7331
6.250 0.6572 0.01234 0.00663 -0.0076 0.4996 0.7347
6.500 0.6387 0.01372 0.00778 -0.0007 0.4543 0.7362
6.750 0.6293 0.01497 0.00885 0.0046 0.4168 0.7375
7.000 0.6236 0.01619 0.00989 0.0090 0.3803 0.7388
7.250 0.6212 0.01735 0.01089 0.0128 0.3449 0.7399
7.500 0.6198 0.01852 0.01189 0.0163 0.3079 0.7414
7.750 0.6226 0.01957 0.01279 0.0192 0.2724 0.7429
8.000 0.6246 0.02072 0.01375 0.0220 0.2334 0.7443
8.250 0.6297 0.02176 0.01461 0.0244 0.1949 0.7457
8.500 0.6356 0.02281 0.01548 0.0266 0.1584 0.7471
8.750 0.6413 0.02391 0.01638 0.0287 0.1197 0.7485
9.000 0.6510 0.02484 0.01716 0.0303 0.0928 0.7499
9.250 0.6615 0.02577 0.01797 0.0318 0.0712 0.7513
9.500 0.6731 0.02667 0.01877 0.0331 0.0541 0.7527
9.750 0.6871 0.02745 0.01951 0.0340 0.0447 0.7542
10.000 0.7020 0.02819 0.02022 0.0349 0.0385 0.7556
10.250 0.7172 0.02894 0.02096 0.0357 0.0347 0.7569
10.500 0.7325 0.02971 0.02172 0.0364 0.0318 0.7582
10.750 0.7477 0.03046 0.02250 0.0372 0.0299 0.7598
11.000 0.7629 0.03122 0.02330 0.0379 0.0281 0.7614
11.250 0.7776 0.03202 0.02413 0.0386 0.0268 0.7630
11.500 0.7926 0.03283 0.02499 0.0393 0.0252 0.7648
11.750 0.8069 0.03370 0.02589 0.0400 0.0239 0.7666
12.000 0.8205 0.03464 0.02685 0.0408 0.0228 0.7685
12.250 0.8349 0.03554 0.02779 0.0414 0.0223 0.7705
12.500 0.8492 0.03646 0.02876 0.0420 0.0212 0.7725
12.750 0.8625 0.03747 0.02981 0.0426 0.0205 0.7745
13.000 0.8748 0.03857 0.03092 0.0432 0.0196 0.7763
13.250 0.8873 0.03966 0.03206 0.0438 0.0190 0.7782
13.500 0.9003 0.04073 0.03319 0.0444 0.0186 0.7804
13.750 0.9118 0.04192 0.03445 0.0450 0.0182 0.7826
14.000 0.9235 0.04312 0.03571 0.0455 0.0175 0.7851
14.250 0.9354 0.04434 0.03698 0.0460 0.0169 0.7876
14.500 0.9452 0.04575 0.03844 0.0465 0.0168 0.7902
14.750 0.9544 0.04722 0.03996 0.0470 0.0164 0.7929
15.000 0.9627 0.04885 0.04163 0.0475 0.0161 0.7954
15.250 0.9728 0.05033 0.04319 0.0478 0.0158 0.7980
15.500 0.9811 0.05195 0.04491 0.0483 0.0156 0.8011
15.750 0.9889 0.05367 0.04671 0.0486 0.0154 0.8042
16.000 0.9968 0.05543 0.04856 0.0488 0.0152 0.8075
16.250 1.0035 0.05733 0.05054 0.0490 0.0150 0.8108
16.500 1.0114 0.05919 0.05246 0.0491 0.0147 0.8139
16.750 1.0176 0.06125 0.05460 0.0491 0.0145 0.8168
17.000 1.0229 0.06339 0.05684 0.0491 0.0145 0.8201
17.250 1.0283 0.06559 0.05912 0.0490 0.0143 0.8236
17.500 1.0337 0.06784 0.06146 0.0488 0.0141 0.8274
17.750 1.0385 0.07022 0.06391 0.0485 0.0140 0.8311
18.000 1.0414 0.07285 0.06662 0.0481 0.0139 0.8345
18.250 1.0439 0.07554 0.06940 0.0476 0.0138 0.8383
18.500 1.0461 0.07833 0.07228 0.0471 0.0136 0.8424
18.750 1.0472 0.08130 0.07534 0.0464 0.0135 0.8467
19.000 1.0486 0.08431 0.07845 0.0456 0.0134 0.8508
19.250 1.0494 0.08739 0.08163 0.0447 0.0133 0.8550
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