XFOIL Version 6.96 Calculated polar for: NREL's S808 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 ------ -------- --------- --------- -------- -------- -------- -18.250 -1.0119 0.08985 0.08585 -0.0533 1.0000 0.1103 -18.000 -1.0308 0.08476 0.08080 -0.0550 1.0000 0.1172 -17.750 -1.0508 0.07963 0.07568 -0.0567 1.0000 0.1242 -17.500 -1.0715 0.07452 0.07057 -0.0584 1.0000 0.1316 -17.250 -1.0984 0.06887 0.06494 -0.0601 1.0000 0.1392 -17.000 -1.1222 0.06372 0.05979 -0.0616 1.0000 0.1467 -16.750 -1.1460 0.05871 0.05477 -0.0629 1.0000 0.1546 -16.500 -1.1707 0.05383 0.04989 -0.0640 1.0000 0.1612 -16.250 -1.1902 0.04960 0.04561 -0.0648 1.0000 0.1680 -16.000 -1.2112 0.04548 0.04148 -0.0653 1.0000 0.1736 -15.750 -1.2292 0.04186 0.03781 -0.0655 1.0000 0.1792 -15.500 -1.2453 0.03865 0.03454 -0.0652 1.0000 0.1840 -15.250 -1.2619 0.03561 0.03149 -0.0647 1.0000 0.1881 -15.000 -1.2758 0.03287 0.02869 -0.0639 1.0000 0.1927 -14.750 -1.2845 0.03063 0.02634 -0.0629 1.0000 0.1962 -14.500 -1.2990 0.02829 0.02401 -0.0614 1.0000 0.1998 -14.250 -1.3108 0.02628 0.02198 -0.0596 1.0000 0.2031 -14.000 -1.3229 0.02455 0.02019 -0.0572 1.0000 0.2061 -13.750 -1.3441 0.02295 0.01851 -0.0533 1.0000 0.2083 -13.500 -1.3479 0.02146 0.01691 -0.0519 1.0000 0.2110 -13.250 -1.3410 0.02027 0.01571 -0.0514 1.0000 0.2145 -13.000 -1.3271 0.01959 0.01500 -0.0507 1.0000 0.2180 -12.750 -1.3102 0.01907 0.01440 -0.0501 1.0000 0.2214 -12.500 -1.2916 0.01862 0.01385 -0.0496 1.0000 0.2242 -12.250 -1.2707 0.01815 0.01334 -0.0494 0.9997 0.2274 -12.000 -1.2328 0.01786 0.01307 -0.0521 0.9971 0.2315 -11.750 -1.1939 0.01770 0.01285 -0.0548 0.9943 0.2358 -11.500 -1.1535 0.01756 0.01260 -0.0579 0.9921 0.2394 -11.250 -1.1194 0.01720 0.01222 -0.0597 0.9887 0.2431 -11.000 -1.0833 0.01701 0.01205 -0.0616 0.9852 0.2467 -10.750 -1.0440 0.01699 0.01201 -0.0642 0.9824 0.2511 -10.500 -1.0027 0.01700 0.01191 -0.0672 0.9802 0.2550 -10.250 -0.9623 0.01669 0.01157 -0.0700 0.9787 0.2582 -10.000 -0.9335 0.01632 0.01121 -0.0704 0.9732 0.2604 -9.750 -0.8967 0.01609 0.01098 -0.0723 0.9699 0.2626 -9.500 -0.8574 0.01587 0.01073 -0.0746 0.9675 0.2647 -9.250 -0.8167 0.01561 0.01044 -0.0773 0.9657 0.2666 -9.000 -0.7748 0.01538 0.01015 -0.0801 0.9643 0.2688 -8.750 -0.7490 0.01506 0.00977 -0.0798 0.9568 0.2705 -8.500 -0.7104 0.01480 0.00943 -0.0820 0.9536 0.2719 -8.250 -0.6712 0.01429 0.00893 -0.0843 0.9515 0.2744 -8.000 -0.6299 0.01393 0.00860 -0.0870 0.9499 0.2767 -7.750 -0.6038 0.01362 0.00829 -0.0866 0.9417 0.2784 -7.500 -0.5660 0.01334 0.00800 -0.0884 0.9378 0.2805 -7.250 -0.5252 0.01306 0.00770 -0.0909 0.9352 0.2829 -7.000 -0.4961 0.01278 0.00739 -0.0910 0.9269 0.2851 -6.750 -0.4612 0.01248 0.00705 -0.0922 0.9203 0.2870 -6.500 -0.4289 0.01223 0.00674 -0.0929 0.9109 0.2885 -6.000 -0.3543 0.01145 0.00598 -0.0964 0.8890 0.2938 -5.750 -0.3121 0.01120 0.00570 -0.0990 0.8742 0.2962 -5.500 -0.2724 0.01103 0.00544 -0.1012 0.8538 0.2987 -5.250 -0.2382 0.01095 0.00523 -0.1022 0.8298 0.3012 -5.000 -0.2077 0.01095 0.00507 -0.1025 0.8058 0.3036 -4.750 -0.1793 0.01097 0.00495 -0.1024 0.7832 0.3055 -4.500 -0.1521 0.01084 0.00474 -0.1022 0.7620 0.3083 -4.250 -0.1250 0.01077 0.00462 -0.1020 0.7422 0.3109 -4.000 -0.0976 0.01077 0.00454 -0.1017 0.7237 0.3133 -3.750 -0.0701 0.01077 0.00446 -0.1015 0.7058 0.3158 -3.500 -0.0424 0.01077 0.00439 -0.1013 0.6890 0.3184 -3.250 -0.0145 0.01078 0.00431 -0.1012 0.6733 0.3208 -3.000 0.0134 0.01082 0.00424 -0.1011 0.6582 0.3229 -2.500 0.0688 0.01069 0.00406 -0.1008 0.6293 0.3292 -2.250 0.0968 0.01071 0.00404 -0.1007 0.6159 0.3321 -1.750 0.1531 0.01076 0.00397 -0.1005 0.5901 0.3378 -1.500 0.1813 0.01081 0.00394 -0.1004 0.5779 0.3403 -1.250 0.2094 0.01080 0.00388 -0.1003 0.5655 0.3431 -1.000 0.2376 0.01075 0.00384 -0.1003 0.5544 0.3465 -0.750 0.2655 0.01079 0.00384 -0.1001 0.5426 0.3496 -0.500 0.2941 0.01081 0.00385 -0.1001 0.5314 0.3529 -0.250 0.3220 0.01090 0.00386 -0.1000 0.5207 0.3563 0.000 0.3507 0.01095 0.00388 -0.0999 0.5100 0.3592 0.250 0.3785 0.01096 0.00385 -0.0998 0.4996 0.3629 0.500 0.4069 0.01096 0.00388 -0.0998 0.4893 0.3665 0.750 0.4348 0.01103 0.00392 -0.0996 0.4795 0.3700 1.000 0.4632 0.01108 0.00396 -0.0996 0.4694 0.3736 1.250 0.4910 0.01120 0.00400 -0.0994 0.4600 0.3770 1.500 0.5194 0.01122 0.00403 -0.0993 0.4506 0.3808 1.750 0.5468 0.01130 0.00410 -0.0992 0.4412 0.3853 2.000 0.5752 0.01135 0.00417 -0.0991 0.4322 0.3896 2.250 0.6024 0.01149 0.00425 -0.0988 0.4232 0.3937 2.500 0.6309 0.01156 0.00432 -0.0987 0.4148 0.3973 2.750 0.6581 0.01164 0.00439 -0.0985 0.4058 0.4021 3.000 0.6861 0.01171 0.00450 -0.0984 0.3979 0.4069 3.250 0.7134 0.01183 0.00460 -0.0981 0.3892 0.4119 3.500 0.7406 0.01199 0.00472 -0.0979 0.3813 0.4165 3.750 0.7682 0.01205 0.00482 -0.0977 0.3732 0.4219 4.000 0.7944 0.01223 0.00497 -0.0973 0.3651 0.4271 4.250 0.8223 0.01231 0.00509 -0.0971 0.3576 0.4325 4.500 0.8486 0.01250 0.00523 -0.0967 0.3498 0.4376 4.750 0.8755 0.01260 0.00539 -0.0964 0.3426 0.4441 5.000 0.9021 0.01274 0.00555 -0.0961 0.3349 0.4503 5.250 0.9273 0.01299 0.00573 -0.0955 0.3275 0.4560 5.500 0.9545 0.01306 0.00589 -0.0952 0.3207 0.4624 5.750 0.9798 0.01326 0.00608 -0.0947 0.3133 0.4689 6.000 1.0053 0.01347 0.00629 -0.0941 0.3068 0.4757 6.250 1.0312 0.01361 0.00648 -0.0936 0.2999 0.4829 6.500 1.0549 0.01387 0.00672 -0.0928 0.2928 0.4902 6.750 1.0806 0.01405 0.00693 -0.0923 0.2867 0.4972 7.000 1.1051 0.01424 0.00716 -0.0916 0.2799 0.5047 7.250 1.1276 0.01454 0.00745 -0.0906 0.2733 0.5124 7.500 1.1525 0.01471 0.00767 -0.0900 0.2675 0.5201 7.750 1.1745 0.01495 0.00794 -0.0889 0.2611 0.5285 8.000 1.1948 0.01525 0.00823 -0.0875 0.2552 0.5371 8.250 1.2174 0.01543 0.00849 -0.0865 0.2495 0.5456 8.500 1.2372 0.01574 0.00881 -0.0851 0.2434 0.5545 8.750 1.2571 0.01608 0.00917 -0.0837 0.2378 0.5631 9.000 1.2789 0.01633 0.00949 -0.0826 0.2322 0.5726 9.250 1.2977 0.01672 0.00987 -0.0811 0.2265 0.5821 9.500 1.3166 0.01710 0.01030 -0.0796 0.2212 0.5925 9.750 1.3372 0.01741 0.01067 -0.0784 0.2159 0.6032 10.000 1.3547 0.01784 0.01113 -0.0768 0.2105 0.6141 10.250 1.3716 0.01832 0.01164 -0.0752 0.2055 0.6249 10.500 1.3911 0.01868 0.01208 -0.0739 0.2006 0.6371 10.750 1.4073 0.01918 0.01262 -0.0723 0.1956 0.6495 11.000 1.4209 0.01982 0.01328 -0.0703 0.1906 0.6627 11.250 1.4396 0.02023 0.01380 -0.0691 0.1863 0.6773 11.500 1.4546 0.02081 0.01445 -0.0674 0.1815 0.6921 11.750 1.4652 0.02163 0.01529 -0.0654 0.1767 0.7084 12.000 1.4815 0.02218 0.01596 -0.0640 0.1728 0.7272 12.250 1.4953 0.02286 0.01674 -0.0624 0.1685 0.7485 12.500 1.5047 0.02378 0.01772 -0.0604 0.1642 0.7732 12.750 1.5140 0.02468 0.01875 -0.0585 0.1603 0.8056 13.000 1.5227 0.02533 0.01963 -0.0562 0.1567 0.8685 13.250 1.5260 0.02621 0.02063 -0.0535 0.1532 1.0000 13.500 1.5318 0.02770 0.02209 -0.0520 0.1491 1.0000 13.750 1.5427 0.02891 0.02336 -0.0510 0.1458 1.0000 14.000 1.5529 0.03022 0.02471 -0.0500 0.1420 1.0000 14.250 1.5583 0.03193 0.02643 -0.0490 0.1384 1.0000 14.500 1.5595 0.03406 0.02856 -0.0479 0.1349 1.0000 14.750 1.5702 0.03551 0.03009 -0.0474 0.1319 1.0000 15.000 1.5759 0.03743 0.03206 -0.0468 0.1285 1.0000 15.250 1.5769 0.03985 0.03449 -0.0463 0.1254 1.0000 15.500 1.5759 0.04256 0.03723 -0.0459 0.1223 1.0000 15.750 1.5829 0.04459 0.03935 -0.0458 0.1197 1.0000 16.000 1.5849 0.04717 0.04199 -0.0458 0.1167 1.0000 16.250 1.5827 0.05029 0.04513 -0.0459 0.1140 1.0000 16.500 1.5769 0.05389 0.04875 -0.0463 0.1112 1.0000 16.750 1.5812 0.05648 0.05145 -0.0466 0.1089 1.0000 17.000 1.5812 0.05962 0.05466 -0.0471 0.1064 1.0000 17.250 1.5774 0.06330 0.05839 -0.0479 0.1040 1.0000 17.500 1.5694 0.06758 0.06269 -0.0490 0.1016 1.0000 17.750 1.5675 0.07119 0.06639 -0.0500 0.0995 1.0000 18.000 1.5668 0.07477 0.07006 -0.0510 0.0973 1.0000 18.250 1.5627 0.07883 0.07419 -0.0523 0.0951 1.0000 18.500 1.5559 0.08333 0.07872 -0.0539 0.0930 1.0000 18.750 1.5480 0.08798 0.08339 -0.0555 0.0908 1.0000