NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 65(4)-221 (naca654221-il) Reynolds number: 1,000,000 Max Cl/Cd: 91.92 at α=5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca654221-il-1000000-n5.txt Download as CSV file: xf-naca654221-il-1000000-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 = 1.000 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0734 0.08090 0.07659 -0.0584 1.0000 0.0166
-19.500 -1.0720 0.07801 0.07363 -0.0593 1.0000 0.0167
-19.250 -1.0700 0.07520 0.07075 -0.0601 1.0000 0.0168
-19.000 -1.0694 0.07233 0.06782 -0.0608 1.0000 0.0168
-18.750 -1.0666 0.06969 0.06511 -0.0615 1.0000 0.0169
-18.500 -1.0621 0.06731 0.06268 -0.0621 1.0000 0.0169
-18.250 -1.0594 0.06478 0.06008 -0.0626 1.0000 0.0170
-17.750 -1.0461 0.06015 0.05533 -0.0640 0.9698 0.0171
-17.500 -1.0177 0.05694 0.05202 -0.0703 0.9557 0.0172
-17.250 -0.9915 0.05352 0.04850 -0.0768 0.9407 0.0175
-17.000 -0.9706 0.05113 0.04596 -0.0805 0.9124 0.0178
-16.750 -0.9635 0.04928 0.04395 -0.0807 0.8884 0.0177
-16.500 -0.9557 0.04771 0.04229 -0.0805 0.8716 0.0179
-16.250 -0.9490 0.04608 0.04055 -0.0802 0.8580 0.0181
-16.000 -0.9410 0.04453 0.03893 -0.0800 0.8466 0.0182
-15.750 -0.9325 0.04305 0.03736 -0.0797 0.8363 0.0183
-15.500 -0.9240 0.04159 0.03581 -0.0793 0.8256 0.0185
-15.250 -0.9141 0.04026 0.03442 -0.0790 0.8169 0.0186
-15.000 -0.9038 0.03897 0.03306 -0.0787 0.8079 0.0188
-14.750 -0.8944 0.03766 0.03167 -0.0782 0.8000 0.0189
-14.500 -0.8834 0.03645 0.03040 -0.0779 0.7927 0.0190
-14.250 -0.8728 0.03525 0.02913 -0.0774 0.7852 0.0191
-14.000 -0.8610 0.03414 0.02796 -0.0769 0.7790 0.0194
-13.750 -0.8496 0.03303 0.02680 -0.0764 0.7719 0.0195
-13.250 -0.8258 0.03095 0.02460 -0.0753 0.7591 0.0197
-13.000 -0.8128 0.03001 0.02359 -0.0747 0.7523 0.0200
-12.500 -0.7873 0.02815 0.02163 -0.0734 0.7409 0.0203
-12.250 -0.7740 0.02727 0.02070 -0.0728 0.7355 0.0204
-12.000 -0.7638 0.02624 0.01962 -0.0718 0.7300 0.0208
-11.750 -0.7514 0.02536 0.01870 -0.0710 0.7253 0.0211
-11.500 -0.7386 0.02451 0.01782 -0.0702 0.7205 0.0214
-11.250 -0.7253 0.02373 0.01701 -0.0693 0.7153 0.0217
-11.000 -0.7117 0.02299 0.01622 -0.0684 0.7096 0.0220
-10.750 -0.6976 0.02226 0.01546 -0.0675 0.7055 0.0223
-10.500 -0.6830 0.02157 0.01475 -0.0667 0.7010 0.0226
-10.250 -0.6687 0.02089 0.01402 -0.0658 0.6966 0.0230
-10.000 -0.6538 0.02026 0.01335 -0.0648 0.6922 0.0234
-9.750 -0.6385 0.01964 0.01270 -0.0639 0.6885 0.0238
-9.500 -0.6234 0.01902 0.01205 -0.0630 0.6850 0.0242
-9.250 -0.6093 0.01837 0.01138 -0.0619 0.6809 0.0249
-9.000 -0.5943 0.01778 0.01077 -0.0608 0.6768 0.0254
-8.500 -0.5635 0.01669 0.00963 -0.0587 0.6691 0.0271
-8.250 -0.5472 0.01618 0.00910 -0.0577 0.6657 0.0279
-8.000 -0.5317 0.01567 0.00858 -0.0565 0.6622 0.0290
-7.750 -0.5167 0.01516 0.00805 -0.0553 0.6588 0.0308
-7.500 -0.5007 0.01472 0.00759 -0.0541 0.6554 0.0322
-7.250 -0.4857 0.01424 0.00710 -0.0527 0.6526 0.0350
-7.000 -0.4711 0.01375 0.00663 -0.0513 0.6500 0.0393
-6.750 -0.4588 0.01322 0.00613 -0.0494 0.6468 0.0475
-6.500 -0.4507 0.01262 0.00559 -0.0468 0.6435 0.0635
-6.250 -0.4462 0.01211 0.00514 -0.0434 0.6402 0.0805
-6.000 -0.4391 0.01172 0.00481 -0.0402 0.6371 0.0996
-5.750 -0.4262 0.01125 0.00446 -0.0381 0.6347 0.1271
-5.500 -0.4102 0.01081 0.00415 -0.0366 0.6326 0.1562
-5.250 -0.3936 0.01033 0.00382 -0.0351 0.6301 0.1924
-5.000 -0.3780 0.00973 0.00344 -0.0336 0.6277 0.2448
-4.750 -0.3623 0.00905 0.00303 -0.0321 0.6252 0.3100
-4.500 -0.3449 0.00836 0.00263 -0.0308 0.6228 0.3792
-4.250 -0.3263 0.00769 0.00230 -0.0298 0.6202 0.4611
-4.000 -0.3006 0.00747 0.00219 -0.0298 0.6178 0.4986
-3.750 -0.2725 0.00737 0.00214 -0.0301 0.6159 0.5188
-3.500 -0.2440 0.00731 0.00211 -0.0304 0.6137 0.5329
-3.250 -0.2153 0.00726 0.00210 -0.0308 0.6116 0.5469
-3.000 -0.1862 0.00726 0.00208 -0.0313 0.6094 0.5570
-2.750 -0.1571 0.00724 0.00207 -0.0317 0.6073 0.5622
-2.500 -0.1277 0.00724 0.00204 -0.0322 0.6052 0.5652
-2.250 -0.0983 0.00725 0.00201 -0.0327 0.6031 0.5673
-2.000 -0.0689 0.00726 0.00198 -0.0332 0.6009 0.5691
-1.750 -0.0391 0.00726 0.00196 -0.0338 0.5993 0.5706
-1.500 -0.0095 0.00724 0.00194 -0.0343 0.5975 0.5725
-1.250 0.0200 0.00722 0.00192 -0.0348 0.5954 0.5748
-1.000 0.0495 0.00721 0.00192 -0.0354 0.5934 0.5768
-0.750 0.0789 0.00721 0.00191 -0.0359 0.5915 0.5786
-0.500 0.1084 0.00722 0.00191 -0.0364 0.5895 0.5805
-0.250 0.1378 0.00723 0.00191 -0.0369 0.5876 0.5825
0.000 0.1671 0.00725 0.00192 -0.0374 0.5857 0.5845
0.250 0.1963 0.00729 0.00193 -0.0379 0.5834 0.5864
0.500 0.2261 0.00730 0.00194 -0.0384 0.5819 0.5880
0.750 0.2557 0.00730 0.00196 -0.0390 0.5801 0.5896
1.000 0.2851 0.00730 0.00198 -0.0395 0.5784 0.5916
1.250 0.3145 0.00731 0.00201 -0.0400 0.5766 0.5936
1.500 0.3439 0.00732 0.00204 -0.0405 0.5747 0.5956
1.750 0.3731 0.00734 0.00207 -0.0410 0.5727 0.5977
2.000 0.4022 0.00737 0.00211 -0.0415 0.5706 0.6000
2.250 0.4312 0.00741 0.00215 -0.0419 0.5684 0.6022
2.500 0.4601 0.00747 0.00220 -0.0423 0.5664 0.6041
2.750 0.4895 0.00750 0.00225 -0.0429 0.5649 0.6058
3.000 0.5188 0.00752 0.00230 -0.0434 0.5629 0.6075
3.250 0.5479 0.00753 0.00236 -0.0438 0.5599 0.6097
3.500 0.5765 0.00755 0.00241 -0.0442 0.5560 0.6119
3.750 0.6044 0.00760 0.00246 -0.0444 0.5513 0.6142
4.000 0.6326 0.00764 0.00252 -0.0447 0.5449 0.6165
4.250 0.6593 0.00772 0.00257 -0.0447 0.5335 0.6190
4.500 0.6868 0.00778 0.00264 -0.0449 0.5234 0.6214
4.750 0.7132 0.00789 0.00273 -0.0449 0.5134 0.6236
5.000 0.7381 0.00803 0.00283 -0.0446 0.4962 0.6257
5.250 0.7584 0.00832 0.00301 -0.0435 0.4641 0.6283
5.500 0.7708 0.00888 0.00335 -0.0410 0.4120 0.6309
5.750 0.7745 0.00969 0.00387 -0.0371 0.3527 0.6336
6.000 0.7756 0.01034 0.00433 -0.0326 0.3085 0.6363
6.250 0.7691 0.01113 0.00492 -0.0269 0.2659 0.6390
6.500 0.7688 0.01195 0.00558 -0.0227 0.2316 0.6416
6.750 0.7686 0.01285 0.00634 -0.0187 0.1983 0.6442
7.000 0.7714 0.01372 0.00711 -0.0155 0.1708 0.6477
7.250 0.7773 0.01456 0.00786 -0.0128 0.1488 0.6512
7.500 0.7835 0.01544 0.00868 -0.0103 0.1284 0.6547
7.750 0.7890 0.01642 0.00957 -0.0079 0.1080 0.6579
8.250 0.8014 0.01847 0.01146 -0.0036 0.0723 0.6640
8.500 0.8074 0.01956 0.01250 -0.0016 0.0559 0.6676
8.750 0.8158 0.02057 0.01347 0.0001 0.0445 0.6714
9.000 0.8255 0.02155 0.01442 0.0016 0.0360 0.6751
9.250 0.8374 0.02244 0.01531 0.0028 0.0320 0.6787
9.500 0.8503 0.02328 0.01616 0.0038 0.0293 0.6826
9.750 0.8634 0.02413 0.01704 0.0048 0.0274 0.6872
10.000 0.8761 0.02502 0.01795 0.0058 0.0259 0.6916
10.250 0.8899 0.02588 0.01883 0.0067 0.0246 0.6959
10.750 0.9162 0.02771 0.02072 0.0083 0.0227 0.7039
11.000 0.9287 0.02871 0.02175 0.0091 0.0217 0.7086
11.250 0.9427 0.02963 0.02271 0.0098 0.0212 0.7133
11.500 0.9561 0.03061 0.02372 0.0104 0.0206 0.7176
11.750 0.9687 0.03164 0.02480 0.0111 0.0199 0.7229
12.000 0.9816 0.03267 0.02587 0.0118 0.0194 0.7288
12.250 0.9926 0.03388 0.02710 0.0125 0.0185 0.7339
12.500 1.0054 0.03498 0.02824 0.0130 0.0183 0.7390
12.750 1.0187 0.03602 0.02934 0.0135 0.0179 0.7449
13.000 1.0307 0.03722 0.03059 0.0140 0.0176 0.7508
13.250 1.0429 0.03841 0.03183 0.0144 0.0173 0.7561
13.500 1.0552 0.03959 0.03306 0.0149 0.0170 0.7621
13.750 1.0663 0.04091 0.03444 0.0153 0.0167 0.7690
14.000 1.0775 0.04225 0.03582 0.0157 0.0163 0.7754
14.250 1.0885 0.04357 0.03720 0.0160 0.0161 0.7828
14.500 1.0985 0.04505 0.03873 0.0164 0.0159 0.7908
14.750 1.1072 0.04664 0.04038 0.0168 0.0156 0.7982
15.000 1.1164 0.04821 0.04202 0.0171 0.0154 0.8065
15.500 1.1363 0.05131 0.04526 0.0175 0.0151 0.8228
15.750 1.1454 0.05296 0.04699 0.0176 0.0150 0.8316
16.000 1.1544 0.05462 0.04873 0.0178 0.0147 0.8419
16.250 1.1626 0.05637 0.05057 0.0179 0.0147 0.8524
16.500 1.1702 0.05818 0.05248 0.0181 0.0145 0.8667
16.750 1.1769 0.06003 0.05444 0.0183 0.0144 0.8828
17.000 1.1825 0.06187 0.05641 0.0187 0.0143 0.9096
17.250 1.1960 0.06398 0.05869 0.0171 0.0140 0.9507
17.500 1.2091 0.06640 0.06117 0.0151 0.0138 1.0000
17.750 1.2157 0.06862 0.06344 0.0147 0.0137 1.0000
18.000 1.2210 0.07102 0.06589 0.0143 0.0136 1.0000
18.250 1.2265 0.07342 0.06834 0.0139 0.0135 1.0000
18.500 1.2294 0.07616 0.07113 0.0133 0.0133 1.0000
18.750 1.2343 0.07870 0.07372 0.0126 0.0131 1.0000
19.000 1.2363 0.08166 0.07673 0.0119 0.0130 1.0000
19.250 1.2381 0.08468 0.07982 0.0110 0.0129 1.0000
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