NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 65(4)-421 (naca654421-il) Reynolds number: 1,000,000 Max Cl/Cd: 110.41 at α=5.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca654421-il-1000000-n5.txt Download as CSV file: xf-naca654421-il-1000000-n5.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 = 1.000 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0200 0.07668 0.07262 -0.0773 1.0000 0.0180
-19.500 -1.0198 0.07359 0.06946 -0.0784 1.0000 0.0181
-19.250 -1.0169 0.07087 0.06668 -0.0794 1.0000 0.0182
-19.000 -1.0146 0.06813 0.06388 -0.0804 1.0000 0.0183
-18.750 -1.0118 0.06551 0.06119 -0.0812 1.0000 0.0185
-18.250 -0.9960 0.06018 0.05573 -0.0842 0.9666 0.0188
-18.000 -0.9690 0.05723 0.05268 -0.0900 0.9578 0.0189
-17.750 -0.9417 0.05433 0.04967 -0.0958 0.9501 0.0191
-17.500 -0.9078 0.05169 0.04693 -0.1024 0.9397 0.0193
-17.250 -0.8785 0.04923 0.04432 -0.1079 0.9222 0.0194
-17.000 -0.8595 0.04761 0.04254 -0.1100 0.8984 0.0196
-16.750 -0.8531 0.04582 0.04060 -0.1101 0.8785 0.0195
-16.500 -0.8454 0.04424 0.03892 -0.1100 0.8642 0.0197
-16.250 -0.8405 0.04253 0.03711 -0.1097 0.8517 0.0200
-16.000 -0.8347 0.04086 0.03536 -0.1095 0.8410 0.0202
-15.750 -0.8260 0.03949 0.03391 -0.1092 0.8320 0.0203
-15.500 -0.8173 0.03809 0.03245 -0.1089 0.8231 0.0205
-15.250 -0.8077 0.03684 0.03112 -0.1085 0.8146 0.0205
-15.000 -0.7966 0.03567 0.02989 -0.1082 0.8068 0.0207
-14.750 -0.7875 0.03443 0.02857 -0.1077 0.7981 0.0209
-14.500 -0.7763 0.03332 0.02741 -0.1072 0.7910 0.0210
-14.250 -0.7646 0.03227 0.02630 -0.1068 0.7836 0.0212
-14.000 -0.7542 0.03117 0.02513 -0.1062 0.7768 0.0212
-13.750 -0.7408 0.03025 0.02416 -0.1058 0.7709 0.0216
-13.500 -0.7299 0.02920 0.02305 -0.1051 0.7644 0.0215
-13.250 -0.7180 0.02828 0.02206 -0.1044 0.7583 0.0218
-13.000 -0.7051 0.02737 0.02111 -0.1038 0.7526 0.0220
-12.750 -0.6926 0.02649 0.02018 -0.1032 0.7463 0.0221
-12.250 -0.6675 0.02483 0.01841 -0.1016 0.7350 0.0225
-12.000 -0.6537 0.02408 0.01761 -0.1008 0.7296 0.0227
-11.750 -0.6394 0.02339 0.01687 -0.1001 0.7243 0.0228
-11.500 -0.6254 0.02268 0.01612 -0.0992 0.7198 0.0230
-11.250 -0.6128 0.02190 0.01529 -0.0983 0.7155 0.0232
-11.000 -0.5997 0.02116 0.01452 -0.0973 0.7106 0.0233
-10.750 -0.5872 0.02044 0.01375 -0.0962 0.7054 0.0237
-10.500 -0.5735 0.01977 0.01305 -0.0952 0.7013 0.0240
-10.250 -0.5587 0.01914 0.01240 -0.0943 0.6968 0.0241
-10.000 -0.5439 0.01855 0.01177 -0.0932 0.6922 0.0245
-9.750 -0.5291 0.01798 0.01117 -0.0922 0.6879 0.0249
-9.500 -0.5140 0.01743 0.01059 -0.0912 0.6840 0.0252
-9.250 -0.4983 0.01689 0.01004 -0.0902 0.6808 0.0256
-9.000 -0.4823 0.01639 0.00951 -0.0892 0.6771 0.0260
-8.750 -0.4663 0.01591 0.00899 -0.0881 0.6732 0.0263
-8.500 -0.4500 0.01547 0.00852 -0.0870 0.6693 0.0268
-8.250 -0.4349 0.01499 0.00801 -0.0858 0.6657 0.0274
-8.000 -0.4195 0.01452 0.00753 -0.0845 0.6624 0.0281
-7.750 -0.4038 0.01408 0.00708 -0.0832 0.6589 0.0289
-7.500 -0.3882 0.01368 0.00666 -0.0819 0.6555 0.0296
-7.250 -0.3728 0.01330 0.00626 -0.0804 0.6523 0.0305
-6.750 -0.3482 0.01264 0.00556 -0.0762 0.6468 0.0329
-6.500 -0.3331 0.01238 0.00529 -0.0745 0.6442 0.0349
-6.250 -0.3137 0.01213 0.00504 -0.0735 0.6414 0.0374
-6.000 -0.2938 0.01187 0.00479 -0.0725 0.6385 0.0423
-5.750 -0.2747 0.01155 0.00452 -0.0715 0.6355 0.0545
-5.500 -0.2560 0.01118 0.00423 -0.0704 0.6324 0.0766
-5.250 -0.2362 0.01078 0.00395 -0.0696 0.6300 0.1040
-5.000 -0.2154 0.01035 0.00366 -0.0689 0.6280 0.1386
-4.750 -0.1932 0.00996 0.00341 -0.0684 0.6258 0.1736
-4.500 -0.1721 0.00943 0.00310 -0.0679 0.6234 0.2277
-4.250 -0.1516 0.00877 0.00274 -0.0674 0.6211 0.3019
-4.000 -0.1303 0.00804 0.00235 -0.0671 0.6187 0.3904
-3.750 -0.1063 0.00750 0.00212 -0.0671 0.6164 0.4733
-3.500 -0.0784 0.00738 0.00206 -0.0674 0.6139 0.5039
-3.250 -0.0494 0.00730 0.00204 -0.0679 0.6121 0.5240
-3.000 -0.0201 0.00726 0.00203 -0.0684 0.6101 0.5403
-2.750 0.0094 0.00726 0.00204 -0.0689 0.6080 0.5547
-2.500 0.0387 0.00724 0.00205 -0.0694 0.6060 0.5629
-2.250 0.0682 0.00725 0.00204 -0.0699 0.6039 0.5664
-2.000 0.0977 0.00726 0.00202 -0.0704 0.6019 0.5685
-1.750 0.1270 0.00728 0.00200 -0.0709 0.5998 0.5704
-1.500 0.1563 0.00730 0.00199 -0.0714 0.5978 0.5721
-1.250 0.1856 0.00733 0.00199 -0.0719 0.5957 0.5737
-1.000 0.2152 0.00731 0.00199 -0.0724 0.5942 0.5759
-0.750 0.2448 0.00731 0.00199 -0.0730 0.5924 0.5779
-0.500 0.2743 0.00731 0.00200 -0.0735 0.5904 0.5797
-0.250 0.3038 0.00732 0.00201 -0.0740 0.5885 0.5817
0.000 0.3331 0.00734 0.00202 -0.0745 0.5866 0.5838
0.250 0.3624 0.00737 0.00204 -0.0750 0.5847 0.5860
0.500 0.3915 0.00740 0.00206 -0.0755 0.5828 0.5879
0.750 0.4204 0.00744 0.00209 -0.0759 0.5807 0.5895
1.000 0.4493 0.00750 0.00212 -0.0763 0.5785 0.5909
1.250 0.4788 0.00751 0.00215 -0.0769 0.5770 0.5926
1.500 0.5081 0.00751 0.00219 -0.0774 0.5755 0.5947
1.750 0.5373 0.00753 0.00224 -0.0779 0.5738 0.5969
2.000 0.5664 0.00756 0.00229 -0.0784 0.5719 0.5992
2.250 0.5953 0.00759 0.00234 -0.0788 0.5698 0.6014
2.500 0.6240 0.00763 0.00239 -0.0792 0.5677 0.6035
2.750 0.6526 0.00768 0.00245 -0.0796 0.5657 0.6055
3.000 0.6810 0.00774 0.00251 -0.0799 0.5637 0.6073
3.250 0.7091 0.00782 0.00258 -0.0802 0.5614 0.6090
3.500 0.7380 0.00784 0.00265 -0.0807 0.5591 0.6107
3.750 0.7665 0.00786 0.00271 -0.0810 0.5558 0.6131
4.000 0.7942 0.00791 0.00278 -0.0813 0.5516 0.6154
4.250 0.8209 0.00798 0.00286 -0.0813 0.5467 0.6179
4.500 0.8479 0.00803 0.00294 -0.0814 0.5397 0.6206
4.750 0.8721 0.00815 0.00302 -0.0809 0.5284 0.6231
5.000 0.8984 0.00823 0.00312 -0.0809 0.5193 0.6254
5.250 0.9225 0.00837 0.00323 -0.0804 0.5106 0.6274
5.500 0.9440 0.00855 0.00337 -0.0795 0.4928 0.6295
5.750 0.9613 0.00883 0.00358 -0.0778 0.4669 0.6322
6.000 0.9644 0.00936 0.00392 -0.0734 0.4258 0.6350
6.250 0.9585 0.01013 0.00448 -0.0676 0.3814 0.6378
6.500 0.9559 0.01096 0.00514 -0.0626 0.3443 0.6407
6.750 0.9524 0.01192 0.00593 -0.0578 0.3064 0.6435
7.000 0.9486 0.01299 0.00684 -0.0533 0.2702 0.6464
7.250 0.9476 0.01407 0.00778 -0.0495 0.2394 0.6493
7.500 0.9463 0.01524 0.00883 -0.0459 0.2094 0.6530
7.750 0.9459 0.01648 0.00995 -0.0426 0.1822 0.6565
8.000 0.9477 0.01771 0.01108 -0.0398 0.1573 0.6599
8.250 0.9494 0.01902 0.01228 -0.0371 0.1345 0.6631
8.500 0.9548 0.02020 0.01340 -0.0350 0.1166 0.6659
8.750 0.9568 0.02160 0.01472 -0.0326 0.0961 0.6695
9.000 0.9621 0.02288 0.01595 -0.0307 0.0804 0.6733
9.250 0.9675 0.02421 0.01722 -0.0289 0.0659 0.6772
9.500 0.9716 0.02566 0.01860 -0.0271 0.0498 0.6811
9.750 0.9772 0.02708 0.01997 -0.0255 0.0375 0.6847
10.000 0.9878 0.02821 0.02110 -0.0245 0.0323 0.6891
10.250 0.9984 0.02938 0.02229 -0.0234 0.0287 0.6935
10.500 1.0106 0.03045 0.02338 -0.0226 0.0266 0.6982
10.750 1.0232 0.03154 0.02449 -0.0219 0.0251 0.7023
11.000 1.0356 0.03266 0.02564 -0.0211 0.0237 0.7061
11.250 1.0473 0.03383 0.02684 -0.0204 0.0223 0.7108
11.500 1.0600 0.03497 0.02802 -0.0198 0.0214 0.7157
11.750 1.0725 0.03614 0.02922 -0.0192 0.0204 0.7205
12.250 1.0959 0.03865 0.03181 -0.0180 0.0190 0.7306
12.500 1.1085 0.03987 0.03307 -0.0175 0.0184 0.7364
12.750 1.1213 0.04109 0.03433 -0.0171 0.0177 0.7421
13.000 1.1324 0.04246 0.03575 -0.0167 0.0172 0.7473
13.250 1.1440 0.04381 0.03715 -0.0163 0.0168 0.7533
13.500 1.1551 0.04522 0.03859 -0.0159 0.0162 0.7591
13.750 1.1651 0.04678 0.04020 -0.0155 0.0159 0.7645
14.000 1.1765 0.04820 0.04169 -0.0152 0.0156 0.7709
14.250 1.1880 0.04963 0.04318 -0.0149 0.0152 0.7782
14.500 1.1983 0.05121 0.04482 -0.0147 0.0148 0.7851
14.750 1.2087 0.05277 0.04645 -0.0145 0.0147 0.7930
15.000 1.2193 0.05436 0.04809 -0.0143 0.0144 0.8006
15.250 1.2282 0.05612 0.04992 -0.0141 0.0141 0.8085
15.500 1.2373 0.05789 0.05175 -0.0140 0.0140 0.8166
15.750 1.2465 0.05965 0.05357 -0.0139 0.0137 0.8245
16.000 1.2534 0.06169 0.05568 -0.0138 0.0135 0.8333
16.250 1.2605 0.06373 0.05779 -0.0138 0.0132 0.8419
16.500 1.2685 0.06567 0.05981 -0.0138 0.0131 0.8525
16.750 1.2751 0.06777 0.06201 -0.0138 0.0129 0.8649
17.000 1.2822 0.06976 0.06410 -0.0137 0.0129 0.8805
17.250 1.2878 0.07181 0.06628 -0.0135 0.0127 0.9038
17.500 1.2935 0.07398 0.06860 -0.0135 0.0126 0.9462
17.750 1.3037 0.07633 0.07104 -0.0148 0.0124 1.0000
18.000 1.3084 0.07896 0.07372 -0.0153 0.0123 1.0000
18.250 1.3149 0.08136 0.07618 -0.0158 0.0122 1.0000
18.500 1.3188 0.08414 0.07902 -0.0164 0.0120 1.0000
18.750 1.3242 0.08675 0.08168 -0.0171 0.0119 1.0000
19.000 1.3279 0.08958 0.08457 -0.0178 0.0118 1.0000
19.250 1.3323 0.09238 0.08741 -0.0186 0.0116 1.0000
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