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 = 5.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.250 -0.6233 0.11825 0.11644 -0.0877 0.9775 0.0014 -19.000 -0.6532 0.10840 0.10647 -0.0926 0.9773 0.0014 -18.750 -0.6769 0.09958 0.09754 -0.0970 0.9771 0.0013 -18.500 -0.7019 0.09106 0.08888 -0.1013 0.9767 0.0013 -18.250 -0.7167 0.08509 0.08283 -0.1041 0.9758 0.0013 -18.000 -0.7343 0.07925 0.07688 -0.1064 0.9745 0.0013 -17.750 -0.7445 0.07471 0.07227 -0.1079 0.9731 0.0013 -17.500 -0.7518 0.07066 0.06815 -0.1093 0.9717 0.0013 -17.250 -0.7618 0.06625 0.06364 -0.1110 0.9704 0.0013 -17.000 -0.7677 0.06235 0.05967 -0.1126 0.9688 0.0013 -16.750 -0.7741 0.05856 0.05579 -0.1140 0.9680 0.0014 -16.500 -0.7706 0.05594 0.05313 -0.1149 0.9676 0.0014 -16.250 -0.7712 0.05297 0.05009 -0.1159 0.9667 0.0014 -16.000 -0.7691 0.05043 0.04749 -0.1165 0.9655 0.0014 -15.750 -0.7708 0.04750 0.04450 -0.1173 0.9640 0.0014 -15.500 -0.7652 0.04540 0.04234 -0.1177 0.9625 0.0014 -15.250 -0.7647 0.04285 0.03973 -0.1182 0.9609 0.0014 -15.000 -0.7603 0.04075 0.03757 -0.1185 0.9592 0.0014 -14.750 -0.7548 0.03876 0.03552 -0.1188 0.9568 0.0014 -14.500 -0.7472 0.03698 0.03368 -0.1192 0.9542 0.0014 -14.250 -0.7394 0.03517 0.03182 -0.1196 0.9533 0.0014 -14.000 -0.7297 0.03353 0.03014 -0.1200 0.9520 0.0014 -13.750 -0.7180 0.03214 0.02872 -0.1202 0.9500 0.0014 -13.500 -0.7070 0.03071 0.02725 -0.1204 0.9472 0.0014 -13.250 -0.6958 0.02935 0.02584 -0.1205 0.9437 0.0014 -13.000 -0.6820 0.02823 0.02468 -0.1206 0.9397 0.0014 -12.750 -0.6694 0.02695 0.02336 -0.1208 0.9374 0.0014 -12.500 -0.6558 0.02579 0.02217 -0.1210 0.9329 0.0014 -12.250 -0.6409 0.02481 0.02113 -0.1210 0.9255 0.0014 -12.000 -0.6256 0.02386 0.02013 -0.1210 0.9152 0.0014 -11.750 -0.6107 0.02296 0.01913 -0.1209 0.8948 0.0014 -11.500 -0.5940 0.02217 0.01824 -0.1210 0.8730 0.0014 -11.250 -0.5781 0.02130 0.01728 -0.1211 0.8555 0.0014 -11.000 -0.5616 0.02048 0.01639 -0.1211 0.8417 0.0014 -10.750 -0.5484 0.01964 0.01546 -0.1207 0.8284 0.0014 -10.500 -0.5287 0.01897 0.01474 -0.1212 0.8150 0.0014 -10.250 -0.5078 0.01816 0.01386 -0.1221 0.8028 0.0015 -10.000 -0.4840 0.01743 0.01309 -0.1234 0.7914 0.0015 -9.750 -0.4590 0.01677 0.01237 -0.1248 0.7796 0.0015 -9.500 -0.4327 0.01612 0.01168 -0.1264 0.7684 0.0015 -9.250 -0.4049 0.01542 0.01094 -0.1284 0.7592 0.0015 -9.000 -0.3762 0.01478 0.01025 -0.1304 0.7480 0.0015 -8.750 -0.3461 0.01412 0.00956 -0.1327 0.7387 0.0015 -8.500 -0.3149 0.01345 0.00884 -0.1352 0.7286 0.0016 -8.250 -0.2829 0.01283 0.00818 -0.1377 0.7173 0.0016 -8.000 -0.2496 0.01220 0.00751 -0.1405 0.7077 0.0016 -7.750 -0.2157 0.01158 0.00684 -0.1433 0.6961 0.0016 -7.500 -0.1809 0.01100 0.00621 -0.1462 0.6834 0.0016 -7.250 -0.1448 0.01040 0.00556 -0.1495 0.6713 0.0017 -7.000 -0.1103 0.01000 0.00509 -0.1519 0.6583 0.0017 -6.750 -0.0773 0.00973 0.00477 -0.1538 0.6449 0.0017 -6.500 -0.0448 0.00953 0.00451 -0.1554 0.6307 0.0018 -6.250 -0.0121 0.00932 0.00426 -0.1570 0.6184 0.0019 -6.000 0.0202 0.00915 0.00406 -0.1585 0.6065 0.0020 -5.750 0.0525 0.00900 0.00385 -0.1599 0.5945 0.0020 -5.500 0.0846 0.00887 0.00368 -0.1613 0.5833 0.0021 -5.250 0.1168 0.00873 0.00351 -0.1626 0.5746 0.0023 -5.000 0.1485 0.00864 0.00338 -0.1638 0.5638 0.0024 -4.750 0.1807 0.00852 0.00324 -0.1651 0.5574 0.0025 -4.500 0.2122 0.00844 0.00314 -0.1662 0.5484 0.0026 -4.250 0.2441 0.00835 0.00303 -0.1673 0.5424 0.0027 -4.000 0.2757 0.00828 0.00294 -0.1684 0.5354 0.0029 -3.750 0.3072 0.00821 0.00285 -0.1694 0.5281 0.0032 -3.500 0.3388 0.00814 0.00277 -0.1705 0.5234 0.0033 -3.250 0.3701 0.00809 0.00270 -0.1715 0.5172 0.0035 -3.000 0.4014 0.00804 0.00264 -0.1725 0.5112 0.0038 -2.750 0.4330 0.00798 0.00257 -0.1735 0.5076 0.0044 -2.500 0.4671 0.00774 0.00241 -0.1753 0.5026 0.0461 -2.250 0.4986 0.00767 0.00236 -0.1763 0.4961 0.0598 -2.000 0.5318 0.00750 0.00228 -0.1778 0.4932 0.0943 -1.750 0.5814 0.00612 0.00172 -0.1844 0.4893 0.4078 -1.500 0.6126 0.00607 0.00172 -0.1853 0.4843 0.4334 -1.250 0.6431 0.00608 0.00175 -0.1861 0.4781 0.4458 -1.000 0.6736 0.00610 0.00177 -0.1867 0.4758 0.4528 -0.750 0.7039 0.00612 0.00180 -0.1874 0.4722 0.4598 -0.500 0.7337 0.00619 0.00184 -0.1879 0.4676 0.4627 -0.250 0.7633 0.00626 0.00188 -0.1884 0.4621 0.4636 0.000 0.7933 0.00629 0.00191 -0.1889 0.4601 0.4643 0.250 0.8233 0.00634 0.00195 -0.1895 0.4579 0.4648 0.500 0.8529 0.00639 0.00199 -0.1899 0.4548 0.4652 0.750 0.8823 0.00646 0.00203 -0.1904 0.4504 0.4673 1.000 0.9116 0.00653 0.00209 -0.1908 0.4444 0.4698 1.250 0.9414 0.00657 0.00213 -0.1914 0.4416 0.4721 1.500 0.9704 0.00665 0.00219 -0.1918 0.4368 0.4739 1.750 0.9990 0.00674 0.00225 -0.1921 0.4304 0.4756 2.000 1.0283 0.00680 0.00231 -0.1925 0.4271 0.4770 2.250 1.0574 0.00686 0.00237 -0.1929 0.4238 0.4783 2.500 1.0855 0.00698 0.00245 -0.1931 0.4170 0.4793 2.750 1.1137 0.00708 0.00252 -0.1933 0.4111 0.4801 3.000 1.1404 0.00725 0.00263 -0.1932 0.3978 0.4807 3.250 1.1658 0.00749 0.00277 -0.1929 0.3785 0.4811 3.500 1.1890 0.00784 0.00298 -0.1922 0.3507 0.4836 3.750 1.1925 0.00922 0.00379 -0.1878 0.2429 0.4858 4.000 1.2026 0.01022 0.00441 -0.1846 0.1700 0.4879 4.250 1.2122 0.01111 0.00499 -0.1813 0.1093 0.4897 4.500 1.2182 0.01177 0.00547 -0.1771 0.0711 0.4912 4.750 1.2196 0.01296 0.00641 -0.1722 0.0073 0.4925 5.000 1.2410 0.01327 0.00671 -0.1712 0.0027 0.4938 5.250 1.2631 0.01354 0.00697 -0.1703 0.0022 0.4950 5.500 1.2847 0.01383 0.00724 -0.1693 0.0019 0.4958 5.750 1.3051 0.01416 0.00757 -0.1681 0.0004 0.4965 6.000 1.3261 0.01448 0.00787 -0.1671 0.0003 0.4969 6.250 1.3471 0.01480 0.00819 -0.1661 0.0003 0.4980 6.500 1.3677 0.01513 0.00852 -0.1650 0.0003 0.5007 6.750 1.3871 0.01551 0.00891 -0.1638 0.0000 0.5033 7.000 1.4068 0.01589 0.00929 -0.1626 0.0000 0.5054 7.250 1.4265 0.01628 0.00969 -0.1614 0.0000 0.5072 7.500 1.4453 0.01670 0.01011 -0.1602 0.0000 0.5088 7.750 1.4632 0.01716 0.01057 -0.1587 0.0000 0.5101 8.000 1.4815 0.01762 0.01104 -0.1574 0.0000 0.5111 8.250 1.4997 0.01811 0.01153 -0.1561 0.0000 0.5120 8.500 1.5160 0.01866 0.01208 -0.1545 0.0000 0.5126 8.750 1.5329 0.01921 0.01264 -0.1530 0.0000 0.5130 9.000 1.5493 0.01981 0.01324 -0.1516 0.0000 0.5134 9.250 1.5648 0.02045 0.01390 -0.1500 0.0000 0.5157 9.500 1.5809 0.02110 0.01457 -0.1486 0.0000 0.5180 9.750 1.5951 0.02185 0.01533 -0.1469 0.0000 0.5201 10.000 1.6099 0.02259 0.01608 -0.1454 0.0000 0.5219 10.250 1.6233 0.02343 0.01695 -0.1437 0.0000 0.5234 10.500 1.6371 0.02429 0.01782 -0.1422 0.0000 0.5248 10.750 1.6496 0.02524 0.01880 -0.1406 0.0000 0.5262 11.000 1.6618 0.02623 0.01981 -0.1390 0.0000 0.5273 11.250 1.6739 0.02728 0.02087 -0.1374 0.0000 0.5281 11.500 1.6849 0.02845 0.02206 -0.1358 0.0000 0.5288 11.750 1.6962 0.02963 0.02326 -0.1344 0.0000 0.5293 12.000 1.7067 0.03091 0.02457 -0.1329 0.0000 0.5297 12.250 1.7166 0.03229 0.02597 -0.1315 0.0000 0.5308 12.500 1.7263 0.03369 0.02741 -0.1301 0.0000 0.5330 12.750 1.7354 0.03519 0.02895 -0.1287 0.0000 0.5352 13.000 1.7434 0.03684 0.03063 -0.1274 0.0000 0.5370 13.250 1.7513 0.03852 0.03235 -0.1261 0.0000 0.5386 13.500 1.7591 0.04025 0.03411 -0.1249 0.0000 0.5400 13.750 1.7655 0.04216 0.03606 -0.1237 0.0000 0.5413 14.000 1.7710 0.04415 0.03809 -0.1225 0.0000 0.5426 14.250 1.7764 0.04619 0.04017 -0.1214 0.0000 0.5436 14.500 1.7817 0.04828 0.04229 -0.1203 0.0000 0.5445 14.750 1.7855 0.05057 0.04463 -0.1193 0.0000 0.5452 15.000 1.7889 0.05295 0.04705 -0.1183 0.0000 0.5457 15.250 1.7921 0.05535 0.04949 -0.1174 0.0000 0.5461 15.500 1.7952 0.05776 0.05194 -0.1165 0.0000 0.5464 15.750 1.7967 0.06043 0.05466 -0.1157 0.0000 0.5481 16.000 1.7980 0.06315 0.05743 -0.1150 0.0000 0.5502 16.250 1.7995 0.06585 0.06019 -0.1143 0.0000 0.5521 16.500 1.8009 0.06859 0.06298 -0.1137 0.0000 0.5539 16.750 1.8003 0.07159 0.06603 -0.1132 0.0000 0.5555 17.000 1.7996 0.07459 0.06908 -0.1126 0.0000 0.5569 17.250 1.8002 0.07745 0.07200 -0.1122 0.0000 0.5583 17.500 1.7984 0.08066 0.07526 -0.1118 0.0000 0.5594 17.750 1.7964 0.08391 0.07857 -0.1115 0.0000 0.5603 18.000 1.7958 0.08694 0.08165 -0.1112 0.0000 0.5612 18.250 1.7919 0.09043 0.08520 -0.1110 0.0000 0.5618 18.500 1.7904 0.09359 0.08841 -0.1108 0.0000 0.5623 18.750 1.7872 0.09703 0.09191 -0.1108 0.0000 0.5627 19.000 1.7830 0.10064 0.09559 -0.1109 0.0000 0.5631 19.250 1.7804 0.10401 0.09901 -0.1110 0.0000 0.5645