XFOIL Version 6.96 Calculated polar for: NACA 4418 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.500 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.250 -0.8571 0.10162 0.09783 -0.0756 1.0000 0.0409 -19.000 -0.8889 0.09283 0.08886 -0.0809 1.0000 0.0411 -18.750 -0.9114 0.08582 0.08169 -0.0852 1.0000 0.0413 -18.500 -0.9300 0.07965 0.07537 -0.0889 1.0000 0.0415 -18.250 -0.9460 0.07398 0.06956 -0.0923 1.0000 0.0417 -18.000 -0.9595 0.06890 0.06436 -0.0952 1.0000 0.0418 -17.750 -0.9637 0.06570 0.06113 -0.0963 1.0000 0.0422 -17.500 -0.9686 0.06234 0.05774 -0.0976 1.0000 0.0425 -17.250 -0.9745 0.05884 0.05420 -0.0991 1.0000 0.0428 -17.000 -0.9811 0.05528 0.05059 -0.1006 1.0000 0.0431 -16.750 -0.9884 0.05178 0.04702 -0.1019 1.0000 0.0434 -16.500 -0.9964 0.04842 0.04359 -0.1029 1.0000 0.0437 -16.250 -1.0049 0.04523 0.04034 -0.1036 1.0000 0.0441 -16.000 -1.0145 0.04228 0.03731 -0.1037 1.0000 0.0444 -15.750 -1.0255 0.03962 0.03457 -0.1031 1.0000 0.0447 -15.500 -1.0386 0.03725 0.03212 -0.1017 1.0000 0.0449 -15.250 -1.0540 0.03518 0.02997 -0.0994 1.0000 0.0452 -15.000 -1.0717 0.03342 0.02813 -0.0962 1.0000 0.0454 -14.750 -1.0886 0.03191 0.02653 -0.0926 0.9998 0.0456 -14.500 -1.0702 0.03022 0.02471 -0.0946 0.9971 0.0461 -14.250 -1.0530 0.02856 0.02298 -0.0962 0.9941 0.0468 -14.000 -1.0360 0.02722 0.02161 -0.0970 0.9908 0.0475 -13.750 -1.0175 0.02621 0.02056 -0.0972 0.9864 0.0482 -13.500 -0.9911 0.02526 0.01955 -0.0985 0.9835 0.0492 -13.250 -0.9610 0.02435 0.01857 -0.1002 0.9816 0.0503 -13.000 -0.9338 0.02356 0.01766 -0.1012 0.9786 0.0514 -12.750 -0.9127 0.02257 0.01670 -0.1012 0.9737 0.0526 -12.500 -0.8826 0.02185 0.01595 -0.1025 0.9712 0.0540 -12.250 -0.8496 0.02115 0.01520 -0.1043 0.9695 0.0556 -12.000 -0.8163 0.02035 0.01435 -0.1062 0.9683 0.0574 -11.750 -0.7813 0.01967 0.01368 -0.1083 0.9672 0.0594 -11.500 -0.7614 0.01923 0.01318 -0.1071 0.9603 0.0613 -11.250 -0.7309 0.01856 0.01249 -0.1081 0.9574 0.0636 -11.000 -0.6980 0.01805 0.01197 -0.1094 0.9551 0.0663 -10.750 -0.6650 0.01753 0.01140 -0.1107 0.9531 0.0693 -10.500 -0.6448 0.01713 0.01102 -0.1094 0.9458 0.0717 -10.250 -0.6157 0.01678 0.01060 -0.1097 0.9416 0.0746 -10.000 -0.5872 0.01622 0.01005 -0.1100 0.9382 0.0774 -9.750 -0.5637 0.01593 0.00973 -0.1092 0.9320 0.0800 -9.500 -0.5369 0.01567 0.00939 -0.1089 0.9263 0.0826 -9.250 -0.5108 0.01512 0.00887 -0.1087 0.9218 0.0855 -9.000 -0.4858 0.01486 0.00859 -0.1081 0.9154 0.0882 -8.750 -0.4593 0.01464 0.00829 -0.1078 0.9090 0.0907 -8.500 -0.4333 0.01414 0.00781 -0.1075 0.9038 0.0938 -8.250 -0.4083 0.01390 0.00754 -0.1069 0.8965 0.0965 -8.000 -0.3815 0.01367 0.00725 -0.1065 0.8897 0.0991 -7.750 -0.3546 0.01326 0.00682 -0.1063 0.8838 0.1021 -7.500 -0.3300 0.01299 0.00656 -0.1057 0.8756 0.1051 -7.250 -0.3024 0.01277 0.00627 -0.1055 0.8687 0.1082 -7.000 -0.2763 0.01248 0.00596 -0.1051 0.8613 0.1115 -6.750 -0.2504 0.01220 0.00568 -0.1046 0.8530 0.1152 -6.500 -0.2221 0.01201 0.00543 -0.1046 0.8460 0.1191 -6.250 -0.1969 0.01174 0.00518 -0.1040 0.8370 0.1240 -6.000 -0.1692 0.01155 0.00496 -0.1038 0.8292 0.1297 -5.750 -0.1430 0.01132 0.00474 -0.1034 0.8206 0.1355 -5.500 -0.1159 0.01113 0.00453 -0.1032 0.8119 0.1424 -5.250 -0.0891 0.01093 0.00435 -0.1029 0.8032 0.1510 -5.000 -0.0622 0.01076 0.00419 -0.1026 0.7940 0.1612 -4.750 -0.0347 0.01064 0.00405 -0.1023 0.7854 0.1730 -4.500 -0.0077 0.01050 0.00394 -0.1020 0.7755 0.1853 -4.250 0.0195 0.01037 0.00380 -0.1018 0.7665 0.1968 -4.000 0.0467 0.01028 0.00369 -0.1015 0.7565 0.2069 -3.750 0.0738 0.01018 0.00358 -0.1013 0.7473 0.2177 -3.500 0.1007 0.01007 0.00348 -0.1010 0.7368 0.2280 -3.250 0.1279 0.01001 0.00339 -0.1007 0.7272 0.2385 -3.000 0.1548 0.00991 0.00332 -0.1004 0.7167 0.2501 -2.750 0.1819 0.00987 0.00326 -0.1001 0.7069 0.2626 -2.500 0.2089 0.00983 0.00322 -0.0998 0.6961 0.2767 -2.250 0.2358 0.00978 0.00318 -0.0995 0.6862 0.2914 -2.000 0.2627 0.00974 0.00315 -0.0992 0.6757 0.3058 -1.750 0.2897 0.00973 0.00311 -0.0989 0.6657 0.3207 -1.500 0.3162 0.00968 0.00309 -0.0985 0.6552 0.3374 -1.250 0.3428 0.00965 0.00307 -0.0982 0.6456 0.3540 -1.000 0.3693 0.00961 0.00306 -0.0979 0.6355 0.3726 -0.750 0.3957 0.00958 0.00306 -0.0975 0.6261 0.3954 -0.500 0.4218 0.00951 0.00307 -0.0971 0.6165 0.4267 -0.250 0.4474 0.00943 0.00310 -0.0966 0.6078 0.4734 0.000 0.4728 0.00930 0.00316 -0.0961 0.5986 0.5287 0.250 0.4980 0.00927 0.00322 -0.0955 0.5900 0.5788 0.500 0.5239 0.00919 0.00328 -0.0950 0.5817 0.6238 0.750 0.5490 0.00918 0.00335 -0.0944 0.5733 0.6664 1.000 0.5743 0.00914 0.00345 -0.0937 0.5656 0.7100 1.250 0.5991 0.00912 0.00354 -0.0929 0.5576 0.7552 1.500 0.6232 0.00915 0.00365 -0.0919 0.5502 0.7997 1.750 0.6474 0.00913 0.00377 -0.0909 0.5428 0.8432 2.000 0.6706 0.00920 0.00390 -0.0895 0.5355 0.8860 2.250 0.6962 0.00932 0.00406 -0.0887 0.5286 0.9232 2.500 0.7263 0.00945 0.00419 -0.0889 0.5211 0.9510 2.750 0.7625 0.00966 0.00433 -0.0906 0.5136 0.9705 3.000 0.8022 0.00982 0.00448 -0.0931 0.5063 0.9837 3.250 0.8456 0.01003 0.00463 -0.0964 0.4981 0.9927 3.500 0.8891 0.01024 0.00478 -0.0999 0.4899 0.9982 3.750 0.9157 0.01034 0.00487 -0.0998 0.4819 1.0000 4.000 0.9323 0.01050 0.00494 -0.0976 0.4747 1.0000 4.250 0.9513 0.01060 0.00504 -0.0958 0.4682 1.0000 4.500 0.9702 0.01072 0.00514 -0.0940 0.4614 1.0000 4.750 0.9886 0.01091 0.00526 -0.0922 0.4549 1.0000 5.000 1.0097 0.01102 0.00539 -0.0908 0.4487 1.0000 5.250 1.0304 0.01118 0.00552 -0.0895 0.4418 1.0000 5.500 1.0503 0.01142 0.00569 -0.0879 0.4352 1.0000 5.750 1.0726 0.01154 0.00585 -0.0869 0.4289 1.0000 6.000 1.0926 0.01173 0.00601 -0.0854 0.4219 1.0000 6.250 1.1114 0.01198 0.00621 -0.0837 0.4154 1.0000 6.500 1.1326 0.01214 0.00640 -0.0825 0.4087 1.0000 6.750 1.1519 0.01239 0.00662 -0.0810 0.4015 1.0000 7.000 1.1720 0.01265 0.00687 -0.0796 0.3947 1.0000 7.250 1.1925 0.01289 0.00711 -0.0784 0.3869 1.0000 7.500 1.2105 0.01323 0.00740 -0.0767 0.3785 1.0000 7.750 1.2311 0.01349 0.00768 -0.0756 0.3698 1.0000 8.000 1.2483 0.01390 0.00802 -0.0739 0.3614 1.0000 8.250 1.2693 0.01417 0.00833 -0.0729 0.3531 1.0000 8.750 1.3047 0.01500 0.00912 -0.0699 0.3331 1.0000 9.000 1.3207 0.01551 0.00958 -0.0682 0.3217 1.0000 9.250 1.3357 0.01609 0.01011 -0.0665 0.3100 1.0000 9.500 1.3534 0.01657 0.01060 -0.0652 0.2998 1.0000 9.750 1.3680 0.01721 0.01120 -0.0635 0.2900 1.0000 10.000 1.3839 0.01782 0.01180 -0.0620 0.2797 1.0000 10.250 1.3985 0.01851 0.01247 -0.0605 0.2697 1.0000 10.500 1.4103 0.01937 0.01327 -0.0586 0.2591 1.0000 10.750 1.4248 0.02011 0.01402 -0.0572 0.2485 1.0000 11.000 1.4365 0.02104 0.01492 -0.0555 0.2383 1.0000 11.250 1.4463 0.02209 0.01594 -0.0537 0.2278 1.0000 11.500 1.4587 0.02304 0.01688 -0.0523 0.2182 1.0000 11.750 1.4675 0.02424 0.01805 -0.0505 0.2091 1.0000 12.000 1.4772 0.02542 0.01923 -0.0490 0.2000 1.0000 12.250 1.4863 0.02667 0.02047 -0.0475 0.1919 1.0000 12.500 1.4928 0.02814 0.02192 -0.0459 0.1836 1.0000 12.750 1.5016 0.02950 0.02330 -0.0446 0.1761 1.0000 13.000 1.5058 0.03125 0.02504 -0.0430 0.1684 1.0000 13.250 1.5143 0.03272 0.02652 -0.0419 0.1611 1.0000 13.500 1.5170 0.03471 0.02850 -0.0405 0.1541 1.0000 13.750 1.5236 0.03644 0.03026 -0.0395 0.1468 1.0000 14.000 1.5263 0.03857 0.03239 -0.0384 0.1401 1.0000 14.250 1.5296 0.04068 0.03452 -0.0374 0.1329 1.0000 14.500 1.5316 0.04297 0.03683 -0.0365 0.1262 1.0000 14.750 1.5302 0.04567 0.03952 -0.0356 0.1194 1.0000 15.000 1.5315 0.04816 0.04205 -0.0349 0.1127 1.0000 15.250 1.5289 0.05110 0.04500 -0.0342 0.1067 1.0000 15.500 1.5259 0.05414 0.04806 -0.0337 0.1007 1.0000 15.750 1.5232 0.05723 0.05118 -0.0333 0.0953 1.0000 16.000 1.5166 0.06081 0.05476 -0.0329 0.0905 1.0000 16.250 1.5136 0.06403 0.05804 -0.0327 0.0860 1.0000 16.500 1.5050 0.06795 0.06198 -0.0326 0.0821 1.0000 16.750 1.5016 0.07135 0.06544 -0.0326 0.0785 1.0000 17.000 1.4937 0.07533 0.06945 -0.0328 0.0753 1.0000 17.250 1.4882 0.07902 0.07320 -0.0329 0.0725 1.0000 17.500 1.4828 0.08277 0.07701 -0.0333 0.0699 1.0000 17.750 1.4736 0.08706 0.08133 -0.0337 0.0678 1.0000