SP4721LA (sp4721la-po) Xfoil prediction polar at RE=2,000,000 Ncrit=9
| Details | Polar file |
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Airfoil: SP4721LA (sp4721la-po) Reynolds number: 2,000,000 Max Cl/Cd: 133.15 at α=4.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-sp4721la-po-2000000.txt Download as CSV file: xf-sp4721la-po-2000000.csv |
XFOIL Version 6.96
Calculated polar for: SP4721LA
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 2.000 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.000 -0.5943 0.12316 0.12093 -0.0853 0.9955 0.0023
-18.750 -0.6570 0.10720 0.10477 -0.0929 0.9954 0.0023
-18.500 -0.7103 0.09292 0.09024 -0.0998 0.9953 0.0022
-18.250 -0.7360 0.08489 0.08206 -0.1039 0.9951 0.0022
-18.000 -0.7505 0.07896 0.07601 -0.1071 0.9949 0.0022
-17.750 -0.7601 0.07396 0.07090 -0.1097 0.9947 0.0022
-17.500 -0.7647 0.06966 0.06651 -0.1121 0.9944 0.0022
-17.250 -0.7644 0.06581 0.06258 -0.1146 0.9941 0.0022
-17.000 -0.7621 0.06209 0.05877 -0.1173 0.9937 0.0022
-16.750 -0.7559 0.05886 0.05547 -0.1199 0.9931 0.0022
-16.500 -0.7521 0.05582 0.05235 -0.1216 0.9920 0.0022
-16.250 -0.7478 0.05295 0.04941 -0.1233 0.9910 0.0022
-16.000 -0.7404 0.05062 0.04702 -0.1245 0.9900 0.0022
-15.750 -0.7318 0.04832 0.04466 -0.1259 0.9890 0.0023
-15.500 -0.7217 0.04618 0.04246 -0.1273 0.9879 0.0023
-15.250 -0.7099 0.04434 0.04058 -0.1285 0.9868 0.0023
-15.000 -0.6977 0.04253 0.03872 -0.1297 0.9856 0.0023
-14.750 -0.6849 0.04089 0.03702 -0.1306 0.9841 0.0023
-14.500 -0.6738 0.03957 0.03567 -0.1307 0.9815 0.0024
-14.250 -0.6644 0.03817 0.03423 -0.1305 0.9795 0.0024
-14.000 -0.6539 0.03689 0.03291 -0.1301 0.9768 0.0024
-13.750 -0.6433 0.03568 0.03167 -0.1297 0.9738 0.0024
-13.500 -0.6337 0.03451 0.03046 -0.1289 0.9709 0.0024
-13.250 -0.6246 0.03339 0.02930 -0.1281 0.9678 0.0025
-13.000 -0.6120 0.03221 0.02809 -0.1279 0.9656 0.0025
-12.750 -0.5983 0.03118 0.02703 -0.1276 0.9629 0.0025
-12.500 -0.5853 0.03018 0.02600 -0.1271 0.9601 0.0025
-12.250 -0.5738 0.02914 0.02492 -0.1264 0.9571 0.0025
-12.000 -0.5608 0.02820 0.02394 -0.1258 0.9537 0.0025
-11.750 -0.5453 0.02727 0.02299 -0.1256 0.9503 0.0025
-11.500 -0.5299 0.02639 0.02209 -0.1253 0.9462 0.0025
-11.250 -0.5148 0.02555 0.02121 -0.1249 0.9423 0.0025
-11.000 -0.4988 0.02473 0.02036 -0.1246 0.9383 0.0025
-10.750 -0.4814 0.02391 0.01953 -0.1247 0.9324 0.0025
-10.500 -0.4652 0.02310 0.01868 -0.1244 0.9257 0.0025
-10.250 -0.4474 0.02236 0.01791 -0.1243 0.9158 0.0026
-10.000 -0.4305 0.02162 0.01711 -0.1240 0.9025 0.0026
-9.750 -0.4135 0.02094 0.01636 -0.1237 0.8861 0.0026
-9.500 -0.3978 0.02031 0.01564 -0.1233 0.8695 0.0026
-9.250 -0.3775 0.01967 0.01493 -0.1237 0.8557 0.0026
-9.000 -0.3562 0.01899 0.01418 -0.1244 0.8433 0.0026
-8.750 -0.3329 0.01842 0.01355 -0.1253 0.8312 0.0026
-8.500 -0.3083 0.01784 0.01293 -0.1264 0.8195 0.0027
-8.250 -0.2827 0.01731 0.01236 -0.1276 0.8082 0.0027
-8.000 -0.2573 0.01649 0.01147 -0.1294 0.7964 0.0028
-7.750 -0.2299 0.01575 0.01067 -0.1314 0.7850 0.0029
-7.500 -0.2005 0.01503 0.00990 -0.1337 0.7749 0.0029
-7.250 -0.1703 0.01435 0.00915 -0.1361 0.7642 0.0029
-7.000 -0.1383 0.01365 0.00841 -0.1387 0.7536 0.0029
-6.750 -0.1053 0.01298 0.00768 -0.1415 0.7434 0.0030
-6.500 -0.0718 0.01235 0.00698 -0.1444 0.7319 0.0031
-6.250 -0.0365 0.01171 0.00628 -0.1475 0.7213 0.0032
-6.000 -0.0009 0.01113 0.00563 -0.1506 0.7102 0.0033
-5.750 0.0330 0.01073 0.00516 -0.1529 0.6976 0.0035
-5.500 0.0660 0.01045 0.00481 -0.1548 0.6849 0.0037
-5.250 0.0985 0.01022 0.00452 -0.1565 0.6720 0.0040
-5.000 0.1302 0.01006 0.00430 -0.1578 0.6589 0.0042
-4.750 0.1617 0.00992 0.00411 -0.1591 0.6458 0.0052
-4.500 0.1983 0.00942 0.00365 -0.1621 0.6325 0.0353
-4.250 0.2309 0.00923 0.00348 -0.1637 0.6203 0.0468
-4.000 0.2626 0.00912 0.00334 -0.1649 0.6084 0.0556
-3.750 0.2940 0.00902 0.00322 -0.1661 0.5965 0.0669
-3.500 0.3269 0.00883 0.00308 -0.1677 0.5867 0.0888
-3.250 0.3589 0.00870 0.00297 -0.1690 0.5773 0.1105
-2.750 0.4423 0.00701 0.00208 -0.1778 0.5599 0.4177
-2.500 0.4730 0.00700 0.00208 -0.1786 0.5522 0.4363
-2.250 0.5028 0.00704 0.00212 -0.1792 0.5447 0.4473
-2.000 0.5330 0.00707 0.00214 -0.1798 0.5388 0.4555
-1.750 0.5623 0.00715 0.00220 -0.1802 0.5322 0.4621
-1.500 0.5919 0.00721 0.00226 -0.1807 0.5269 0.4713
-1.250 0.6213 0.00729 0.00234 -0.1811 0.5219 0.4775
-1.000 0.6504 0.00739 0.00239 -0.1814 0.5163 0.4793
-0.750 0.6796 0.00746 0.00242 -0.1819 0.5110 0.4800
-0.500 0.7092 0.00751 0.00245 -0.1823 0.5071 0.4807
-0.250 0.7383 0.00758 0.00249 -0.1827 0.5025 0.4813
0.000 0.7673 0.00765 0.00254 -0.1831 0.4972 0.4834
0.250 0.7967 0.00769 0.00258 -0.1836 0.4935 0.4853
0.500 0.8261 0.00774 0.00263 -0.1840 0.4900 0.4870
0.750 0.8550 0.00781 0.00268 -0.1844 0.4858 0.4884
1.000 0.8833 0.00791 0.00276 -0.1846 0.4811 0.4898
1.250 0.9118 0.00799 0.00283 -0.1849 0.4774 0.4912
1.500 0.9408 0.00804 0.00289 -0.1852 0.4749 0.4925
1.750 0.9694 0.00811 0.00295 -0.1855 0.4719 0.4937
2.000 0.9975 0.00820 0.00303 -0.1857 0.4681 0.4949
2.250 1.0245 0.00834 0.00312 -0.1857 0.4622 0.4959
2.500 1.0530 0.00840 0.00319 -0.1859 0.4586 0.4967
2.750 1.0808 0.00849 0.00327 -0.1861 0.4541 0.4977
3.000 1.1082 0.00859 0.00336 -0.1861 0.4496 0.5003
3.250 1.1349 0.00872 0.00347 -0.1861 0.4445 0.5023
3.500 1.1630 0.00877 0.00355 -0.1863 0.4410 0.5040
3.750 1.1876 0.00898 0.00369 -0.1858 0.4282 0.5056
4.000 1.2127 0.00917 0.00381 -0.1854 0.4143 0.5071
4.250 1.2383 0.00930 0.00393 -0.1851 0.4063 0.5085
4.500 1.2607 0.00953 0.00409 -0.1842 0.3938 0.5099
4.750 1.2798 0.00979 0.00427 -0.1826 0.3773 0.5111
5.000 1.2972 0.01016 0.00452 -0.1807 0.3530 0.5122
5.250 1.3024 0.01125 0.00523 -0.1767 0.2878 0.5129
5.500 1.3052 0.01251 0.00611 -0.1724 0.2226 0.5138
5.750 1.3191 0.01322 0.00666 -0.1701 0.1918 0.5162
6.000 1.3336 0.01388 0.00719 -0.1680 0.1656 0.5182
6.250 1.3478 0.01457 0.00775 -0.1658 0.1417 0.5198
6.500 1.3634 0.01516 0.00826 -0.1639 0.1249 0.5213
6.750 1.3790 0.01576 0.00878 -0.1620 0.1105 0.5228
7.000 1.3950 0.01636 0.00932 -0.1602 0.0980 0.5241
7.250 1.4097 0.01700 0.00990 -0.1583 0.0862 0.5254
7.750 1.4286 0.01886 0.01157 -0.1529 0.0516 0.5276
8.000 1.4146 0.02111 0.01363 -0.1467 0.0089 0.5283
8.250 1.4283 0.02192 0.01443 -0.1449 0.0042 0.5291
8.500 1.4424 0.02270 0.01522 -0.1432 0.0033 0.5297
8.750 1.4581 0.02342 0.01597 -0.1418 0.0029 0.5316
9.000 1.4726 0.02423 0.01680 -0.1404 0.0026 0.5339
9.250 1.4872 0.02506 0.01766 -0.1390 0.0024 0.5358
9.500 1.5007 0.02598 0.01861 -0.1375 0.0021 0.5374
9.750 1.5143 0.02692 0.01957 -0.1361 0.0020 0.5389
10.000 1.5272 0.02792 0.02060 -0.1346 0.0019 0.5403
10.250 1.5395 0.02900 0.02170 -0.1332 0.0016 0.5415
10.500 1.5494 0.03030 0.02303 -0.1316 0.0004 0.5427
10.750 1.5606 0.03156 0.02432 -0.1302 0.0003 0.5438
11.000 1.5710 0.03290 0.02570 -0.1288 0.0002 0.5447
11.250 1.5813 0.03429 0.02712 -0.1275 0.0001 0.5455
11.500 1.5906 0.03580 0.02866 -0.1261 0.0000 0.5461
11.750 1.5997 0.03738 0.03028 -0.1249 0.0000 0.5474
12.000 1.6085 0.03904 0.03198 -0.1238 0.0000 0.5495
12.250 1.6170 0.04075 0.03374 -0.1227 0.0000 0.5514
12.500 1.6247 0.04257 0.03561 -0.1216 0.0000 0.5531
12.750 1.6313 0.04451 0.03760 -0.1205 0.0000 0.5546
13.000 1.6377 0.04651 0.03965 -0.1195 0.0000 0.5560
13.250 1.6438 0.04857 0.04176 -0.1185 0.0000 0.5573
13.500 1.6492 0.05075 0.04398 -0.1176 0.0000 0.5585
13.750 1.6537 0.05306 0.04634 -0.1167 0.0000 0.5596
14.000 1.6580 0.05541 0.04874 -0.1159 0.0000 0.5606
14.250 1.6620 0.05780 0.05118 -0.1151 0.0000 0.5615
14.500 1.6653 0.06030 0.05373 -0.1143 0.0000 0.5622
14.750 1.6678 0.06294 0.05642 -0.1137 0.0000 0.5628
15.000 1.6703 0.06561 0.05914 -0.1131 0.0000 0.5638
15.250 1.6732 0.06826 0.06186 -0.1126 0.0000 0.5661
15.500 1.6748 0.07108 0.06474 -0.1121 0.0000 0.5680
15.750 1.6758 0.07396 0.06768 -0.1116 0.0000 0.5697
16.000 1.6775 0.07678 0.07056 -0.1112 0.0000 0.5712
16.250 1.6781 0.07976 0.07360 -0.1109 0.0000 0.5726
16.500 1.6785 0.08279 0.07669 -0.1106 0.0000 0.5738
16.750 1.6797 0.08570 0.07966 -0.1104 0.0000 0.5750
17.000 1.6789 0.08889 0.08290 -0.1102 0.0000 0.5761
17.250 1.6795 0.09187 0.08594 -0.1101 0.0000 0.5772
17.500 1.6787 0.09508 0.08921 -0.1101 0.0000 0.5782
17.750 1.6788 0.09818 0.09237 -0.1101 0.0000 0.5791
18.000 1.6781 0.10139 0.09563 -0.1102 0.0000 0.5798
18.250 1.6779 0.10457 0.09888 -0.1103 0.0000 0.5815
18.500 1.6774 0.10779 0.10217 -0.1106 0.0000 0.5838
18.750 1.6769 0.11100 0.10544 -0.1109 0.0000 0.5858
19.000 1.6758 0.11431 0.10882 -0.1113 0.0000 0.5874
19.250 1.6756 0.11752 0.11209 -0.1118 0.0000 0.5890
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