XFOIL Version 6.96 Calculated polar for: EPPLER 863 STRUT AIRFOIL 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 ------ -------- --------- --------- -------- -------- -------- -19.750 -1.2168 0.09376 0.08932 -0.0024 1.0000 0.2390 -19.500 -1.1866 0.09425 0.08989 -0.0030 1.0000 0.2411 -19.250 -1.1686 0.09334 0.08904 -0.0037 1.0000 0.2436 -19.000 -1.1840 0.08877 0.08441 -0.0045 1.0000 0.2487 -18.750 -1.1949 0.08478 0.08036 -0.0051 1.0000 0.2532 -18.500 -1.1696 0.08464 0.08031 -0.0057 1.0000 0.2555 -18.250 -1.1676 0.08198 0.07766 -0.0064 1.0000 0.2593 -18.000 -1.2079 0.07499 0.07052 -0.0068 1.0000 0.2658 -17.750 -1.1791 0.07521 0.07083 -0.0074 1.0000 0.2680 -17.500 -1.1656 0.07381 0.06948 -0.0080 1.0000 0.2710 -17.250 -1.2042 0.06710 0.06263 -0.0083 1.0000 0.2775 -17.000 -1.2001 0.06618 0.06149 -0.0068 0.8560 0.2806 -16.750 -1.1816 0.06594 0.06100 -0.0063 0.7827 0.2830 -16.500 -1.1828 0.06328 0.05818 -0.0065 0.7501 0.2870 -16.250 -1.2264 0.05649 0.05114 -0.0063 0.7356 0.2932 -16.000 -1.1989 0.05663 0.05123 -0.0067 0.7085 0.2956 -15.750 -1.1869 0.05523 0.04977 -0.0071 0.6887 0.2987 -15.500 -1.2026 0.05123 0.04564 -0.0071 0.6762 0.3034 -15.250 -1.2210 0.04711 0.04137 -0.0069 0.6646 0.3079 -15.000 -1.1975 0.04681 0.04105 -0.0073 0.6490 0.3104 -14.750 -1.1891 0.04514 0.03933 -0.0075 0.6363 0.3135 -14.500 -1.1987 0.04195 0.03599 -0.0073 0.6262 0.3176 -14.250 -1.2183 0.03807 0.03196 -0.0068 0.6194 0.3216 -14.000 -1.1932 0.03788 0.03178 -0.0071 0.6076 0.3241 -13.750 -1.1808 0.03668 0.03054 -0.0073 0.5981 0.3268 -13.500 -1.1760 0.03491 0.02871 -0.0071 0.5911 0.3299 -13.250 -1.1814 0.03249 0.02617 -0.0065 0.5845 0.3334 -13.000 -1.1867 0.03024 0.02375 -0.0057 0.5779 0.3363 -12.750 -1.1619 0.02997 0.02351 -0.0060 0.5708 0.3388 -12.500 -1.1466 0.02911 0.02264 -0.0060 0.5649 0.3411 -12.250 -1.1340 0.02812 0.02160 -0.0058 0.5590 0.3436 -12.000 -1.1257 0.02693 0.02031 -0.0053 0.5533 0.3463 -11.750 -1.1223 0.02558 0.01884 -0.0043 0.5480 0.3490 -11.500 -1.1197 0.02429 0.01744 -0.0030 0.5445 0.3511 -11.250 -1.0922 0.02405 0.01725 -0.0035 0.5395 0.3535 -11.000 -1.0726 0.02359 0.01678 -0.0034 0.5346 0.3556 -10.750 -1.0549 0.02312 0.01625 -0.0030 0.5299 0.3576 -10.500 -1.0387 0.02264 0.01570 -0.0025 0.5246 0.3598 -10.250 -1.0248 0.02205 0.01507 -0.0016 0.5222 0.3620 -10.000 -1.0137 0.02143 0.01439 -0.0003 0.5193 0.3642 -9.750 -1.0051 0.02084 0.01370 0.0015 0.5163 0.3659 -9.500 -0.9821 0.02046 0.01330 0.0016 0.5129 0.3681 -9.250 -0.9572 0.02023 0.01308 0.0015 0.5095 0.3701 -9.000 -0.9357 0.02003 0.01285 0.0019 0.5062 0.3719 -8.750 -0.9150 0.01988 0.01266 0.0025 0.5021 0.3737 -8.500 -0.8955 0.01966 0.01243 0.0033 0.4997 0.3755 -8.250 -0.8801 0.01946 0.01220 0.0049 0.4976 0.3774 -8.000 -0.8686 0.01932 0.01201 0.0072 0.4952 0.3793 -7.750 -0.8528 0.01916 0.01180 0.0088 0.4928 0.3810 -7.500 -0.8352 0.01903 0.01159 0.0101 0.4905 0.3824 -7.250 -0.8082 0.01873 0.01128 0.0098 0.4880 0.3845 -7.000 -0.7809 0.01859 0.01114 0.0095 0.4855 0.3864 -6.750 -0.7551 0.01855 0.01108 0.0095 0.4829 0.3881 -6.500 -0.7292 0.01857 0.01107 0.0094 0.4798 0.3897 -6.250 -0.7033 0.01853 0.01102 0.0094 0.4778 0.3914 -6.000 -0.6775 0.01844 0.01093 0.0094 0.4762 0.3932 -5.750 -0.6521 0.01836 0.01083 0.0095 0.4742 0.3950 -5.500 -0.6268 0.01827 0.01072 0.0096 0.4721 0.3968 -5.250 -0.6015 0.01820 0.01059 0.0097 0.4701 0.3982 -5.000 -0.5760 0.01815 0.01048 0.0098 0.4681 0.3994 -4.750 -0.5479 0.01790 0.01021 0.0093 0.4662 0.4014 -4.500 -0.5187 0.01774 0.01007 0.0087 0.4643 0.4034 -4.250 -0.4902 0.01770 0.01002 0.0083 0.4623 0.4051 -4.000 -0.4617 0.01773 0.01003 0.0078 0.4598 0.4066 -3.750 -0.4333 0.01782 0.01010 0.0074 0.4572 0.4081 -3.500 -0.4047 0.01775 0.01004 0.0070 0.4560 0.4097 -3.250 -0.3763 0.01770 0.01001 0.0066 0.4546 0.4114 -3.000 -0.3480 0.01767 0.00997 0.0062 0.4530 0.4132 -2.750 -0.3198 0.01764 0.00992 0.0058 0.4513 0.4148 -2.500 -0.2916 0.01762 0.00987 0.0055 0.4496 0.4162 -2.250 -0.2632 0.01760 0.00981 0.0051 0.4478 0.4173 -2.000 -0.2345 0.01748 0.00965 0.0046 0.4459 0.4188 -1.750 -0.2048 0.01725 0.00944 0.0039 0.4441 0.4210 -1.500 -0.1754 0.01720 0.00939 0.0033 0.4424 0.4228 -1.250 -0.1460 0.01723 0.00942 0.0027 0.4407 0.4245 -1.000 -0.1165 0.01737 0.00954 0.0021 0.4385 0.4261 -0.750 -0.0873 0.01748 0.00966 0.0015 0.4367 0.4277 -0.500 -0.0581 0.01743 0.00964 0.0010 0.4355 0.4292 -0.250 -0.0290 0.01740 0.00962 0.0005 0.4341 0.4309 0.000 0.0000 0.01739 0.00961 0.0000 0.4325 0.4325 0.250 0.0290 0.01740 0.00962 -0.0005 0.4309 0.4341 0.500 0.0581 0.01743 0.00964 -0.0010 0.4292 0.4355 0.750 0.0873 0.01748 0.00966 -0.0015 0.4277 0.4367 1.000 0.1165 0.01737 0.00954 -0.0021 0.4261 0.4385 1.250 0.1460 0.01723 0.00942 -0.0027 0.4244 0.4407 1.500 0.1754 0.01720 0.00939 -0.0033 0.4228 0.4424 1.750 0.2048 0.01725 0.00944 -0.0039 0.4210 0.4441 2.000 0.2345 0.01748 0.00965 -0.0046 0.4188 0.4459 2.250 0.2632 0.01760 0.00981 -0.0051 0.4173 0.4478 2.500 0.2916 0.01762 0.00987 -0.0055 0.4162 0.4496 2.750 0.3199 0.01764 0.00992 -0.0058 0.4148 0.4513 3.000 0.3481 0.01767 0.00997 -0.0062 0.4132 0.4530 3.250 0.3763 0.01770 0.01001 -0.0066 0.4114 0.4546 3.500 0.4048 0.01775 0.01004 -0.0070 0.4097 0.4560 3.750 0.4334 0.01782 0.01010 -0.0074 0.4081 0.4572 4.000 0.4618 0.01773 0.01003 -0.0079 0.4066 0.4598 4.250 0.4903 0.01770 0.01002 -0.0083 0.4050 0.4623 4.500 0.5189 0.01774 0.01007 -0.0088 0.4034 0.4643 4.750 0.5480 0.01790 0.01021 -0.0093 0.4014 0.4662 5.000 0.5761 0.01815 0.01048 -0.0098 0.3994 0.4681 5.250 0.6016 0.01820 0.01059 -0.0097 0.3982 0.4701 5.500 0.6270 0.01827 0.01072 -0.0096 0.3967 0.4721 5.750 0.6523 0.01836 0.01083 -0.0096 0.3950 0.4742 6.000 0.6778 0.01844 0.01093 -0.0095 0.3932 0.4762 6.250 0.7035 0.01853 0.01102 -0.0095 0.3914 0.4778 6.500 0.7295 0.01857 0.01107 -0.0095 0.3897 0.4798 6.750 0.7554 0.01855 0.01107 -0.0095 0.3881 0.4829 7.000 0.7813 0.01859 0.01113 -0.0096 0.3864 0.4855 7.250 0.8086 0.01873 0.01128 -0.0099 0.3845 0.4880 7.500 0.8356 0.01903 0.01159 -0.0102 0.3824 0.4905 7.750 0.8533 0.01916 0.01180 -0.0089 0.3810 0.4929 8.000 0.8694 0.01932 0.01201 -0.0074 0.3793 0.4953 8.250 0.8810 0.01946 0.01220 -0.0050 0.3774 0.4976 8.500 0.8964 0.01966 0.01242 -0.0034 0.3755 0.4997 8.750 0.9159 0.01987 0.01265 -0.0026 0.3737 0.5021 9.000 0.9367 0.02002 0.01285 -0.0021 0.3719 0.5062 9.250 0.9582 0.02022 0.01307 -0.0017 0.3700 0.5096 9.500 0.9832 0.02045 0.01329 -0.0018 0.3681 0.5130 9.750 1.0061 0.02083 0.01370 -0.0017 0.3659 0.5164 10.000 1.0148 0.02142 0.01438 0.0001 0.3642 0.5193 10.250 1.0260 0.02203 0.01506 0.0014 0.3620 0.5222 10.500 1.0402 0.02262 0.01568 0.0023 0.3598 0.5247 10.750 1.0564 0.02310 0.01623 0.0028 0.3576 0.5300 11.000 1.0742 0.02357 0.01675 0.0031 0.3556 0.5346 11.250 1.0939 0.02402 0.01722 0.0032 0.3535 0.5395 11.500 1.1215 0.02426 0.01741 0.0027 0.3511 0.5446 11.750 1.1241 0.02556 0.01881 0.0040 0.3489 0.5480 12.000 1.1277 0.02689 0.02028 0.0050 0.3463 0.5534 12.250 1.1362 0.02807 0.02156 0.0055 0.3436 0.5591 12.500 1.1491 0.02905 0.02259 0.0057 0.3411 0.5650 12.750 1.1644 0.02992 0.02346 0.0057 0.3388 0.5710 13.000 1.1892 0.03019 0.02370 0.0054 0.3363 0.5781 13.250 1.1843 0.03242 0.02609 0.0061 0.3334 0.5847 13.500 1.1791 0.03483 0.02863 0.0067 0.3300 0.5913 13.750 1.1841 0.03659 0.03044 0.0068 0.3269 0.5983 14.000 1.1965 0.03780 0.03170 0.0067 0.3241 0.6079 14.250 1.2214 0.03800 0.03189 0.0064 0.3216 0.6197 14.500 1.2025 0.04183 0.03587 0.0069 0.3177 0.6265 14.750 1.1931 0.04501 0.03920 0.0070 0.3136 0.6368 15.000 1.2014 0.04670 0.04094 0.0068 0.3104 0.6495 15.250 1.2246 0.04703 0.04129 0.0064 0.3079 0.6651 15.500 1.2073 0.05105 0.04545 0.0066 0.3035 0.6769 15.750 1.1912 0.05509 0.04964 0.0065 0.2987 0.6895 16.000 1.2031 0.05652 0.05111 0.0062 0.2956 0.7092 16.250 1.2303 0.05641 0.05106 0.0058 0.2932 0.7365 16.500 1.1887 0.06301 0.05791 0.0059 0.2871 0.7519 16.750 1.1861 0.06582 0.06088 0.0058 0.2831 0.7847 17.000 1.2040 0.06607 0.06140 0.0064 0.2806 0.8609 17.250 1.2105 0.06680 0.06232 0.0077 0.2776 1.0000 17.500 1.1704 0.07367 0.06933 0.0074 0.2711 1.0000 17.750 1.1837 0.07510 0.07072 0.0068 0.2680 1.0000 18.000 1.2123 0.07491 0.07043 0.0062 0.2658 1.0000 18.250 1.1730 0.08181 0.07748 0.0058 0.2594 1.0000 18.500 1.1744 0.08453 0.08019 0.0051 0.2555 1.0000 18.750 1.1995 0.08469 0.08028 0.0045 0.2533 1.0000 19.000 1.1900 0.08854 0.08418 0.0038 0.2488 1.0000 19.250 1.1737 0.09322 0.08892 0.0031 0.2437 1.0000