XFOIL Version 6.96 Calculated polar for: EPPLER 551 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 1.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -18.000 -0.6137 0.13534 0.13325 -0.0401 1.0000 0.0048 -17.750 -0.6630 0.11985 0.11753 -0.0476 1.0000 0.0047 -17.500 -0.6981 0.10852 0.10600 -0.0533 1.0000 0.0046 -17.250 -0.7259 0.09927 0.09657 -0.0579 1.0000 0.0045 -17.000 -0.7405 0.09286 0.09004 -0.0611 1.0000 0.0045 -16.750 -0.7589 0.08609 0.08312 -0.0643 1.0000 0.0044 -16.500 -0.7725 0.08044 0.07734 -0.0668 1.0000 0.0044 -16.250 -0.7862 0.07502 0.07178 -0.0691 1.0000 0.0044 -16.000 -0.7940 0.07068 0.06733 -0.0707 1.0000 0.0044 -15.750 -0.8012 0.06659 0.06313 -0.0722 1.0000 0.0043 -15.500 -0.8088 0.06261 0.05903 -0.0734 1.0000 0.0043 -15.250 -0.8124 0.05924 0.05557 -0.0744 1.0000 0.0044 -15.000 -0.8176 0.05586 0.05208 -0.0751 1.0000 0.0043 -14.750 -0.8195 0.05297 0.04910 -0.0756 1.0000 0.0043 -14.500 -0.8231 0.05000 0.04605 -0.0759 1.0000 0.0044 -14.250 -0.8234 0.04751 0.04348 -0.0760 1.0000 0.0043 -14.000 -0.8240 0.04510 0.04099 -0.0760 1.0000 0.0044 -13.750 -0.8243 0.04292 0.03874 -0.0757 1.0000 0.0043 -13.500 -0.8253 0.04073 0.03649 -0.0752 1.0000 0.0044 -13.250 -0.8259 0.03872 0.03441 -0.0746 1.0000 0.0044 -13.000 -0.8256 0.03688 0.03251 -0.0737 1.0000 0.0044 -12.750 -0.8263 0.03509 0.03067 -0.0726 1.0000 0.0044 -12.500 -0.8172 0.03304 0.02855 -0.0736 0.9992 0.0045 -12.250 -0.7940 0.03089 0.02632 -0.0773 0.9965 0.0046 -12.000 -0.7727 0.02894 0.02431 -0.0802 0.9907 0.0046 -11.750 -0.7585 0.02710 0.02240 -0.0815 0.9742 0.0047 -11.500 -0.7320 0.02525 0.02047 -0.0851 0.9601 0.0049 -11.250 -0.6939 0.02333 0.01845 -0.0912 0.9500 0.0050 -11.000 -0.6442 0.02162 0.01664 -0.0991 0.9417 0.0052 -10.750 -0.5974 0.01922 0.01409 -0.1082 0.9234 0.0058 -10.500 -0.5702 0.01806 0.01276 -0.1110 0.8950 0.0061 -10.250 -0.5613 0.01708 0.01163 -0.1100 0.8710 0.0059 -10.000 -0.5543 0.01631 0.01075 -0.1081 0.8518 0.0067 -9.750 -0.5545 0.01559 0.00991 -0.1048 0.8351 0.0068 -9.500 -0.5442 0.01511 0.00933 -0.1026 0.8223 0.0070 -9.250 -0.5310 0.01459 0.00871 -0.1008 0.8103 0.0073 -9.000 -0.5170 0.01399 0.00806 -0.0992 0.8000 0.0083 -8.750 -0.4984 0.01361 0.00759 -0.0981 0.7906 0.0088 -8.500 -0.4794 0.01314 0.00707 -0.0971 0.7813 0.0100 -8.250 -0.4586 0.01277 0.00664 -0.0963 0.7727 0.0113 -8.000 -0.4377 0.01235 0.00619 -0.0956 0.7639 0.0139 -7.750 -0.4157 0.01198 0.00578 -0.0949 0.7561 0.0177 -7.500 -0.3931 0.01159 0.00540 -0.0944 0.7482 0.0241 -7.250 -0.3701 0.01124 0.00504 -0.0940 0.7407 0.0326 -7.000 -0.3461 0.01088 0.00471 -0.0937 0.7331 0.0435 -6.750 -0.3227 0.01051 0.00438 -0.0933 0.7255 0.0601 -6.500 -0.2986 0.01008 0.00404 -0.0930 0.7183 0.0835 -6.250 -0.2752 0.00960 0.00368 -0.0928 0.7111 0.1201 -6.000 -0.2522 0.00896 0.00327 -0.0925 0.7046 0.1773 -5.750 -0.2313 0.00796 0.00269 -0.0922 0.6976 0.2817 -5.500 -0.2078 0.00732 0.00239 -0.0921 0.6910 0.3822 -5.250 -0.1796 0.00723 0.00234 -0.0923 0.6843 0.4093 -5.000 -0.1515 0.00722 0.00230 -0.0924 0.6775 0.4236 -4.750 -0.1227 0.00722 0.00225 -0.0926 0.6712 0.4317 -4.500 -0.0941 0.00723 0.00222 -0.0928 0.6648 0.4392 -4.250 -0.0656 0.00729 0.00218 -0.0929 0.6587 0.4451 -4.000 -0.0368 0.00726 0.00216 -0.0931 0.6527 0.4512 -3.750 -0.0082 0.00731 0.00215 -0.0933 0.6463 0.4567 -3.500 0.0203 0.00735 0.00215 -0.0935 0.6404 0.4641 -3.250 0.0492 0.00742 0.00220 -0.0937 0.6345 0.4712 -3.000 0.0777 0.00746 0.00218 -0.0938 0.6287 0.4742 -2.750 0.1065 0.00748 0.00213 -0.0941 0.6234 0.4757 -2.500 0.1353 0.00747 0.00209 -0.0943 0.6177 0.4773 -2.250 0.1633 0.00744 0.00203 -0.0944 0.6120 0.4799 -2.000 0.1919 0.00743 0.00200 -0.0947 0.6068 0.4821 -1.750 0.2207 0.00743 0.00198 -0.0949 0.6015 0.4839 -1.500 0.2490 0.00746 0.00196 -0.0950 0.5963 0.4858 -1.250 0.2775 0.00748 0.00195 -0.0952 0.5915 0.4877 -1.000 0.3063 0.00749 0.00195 -0.0955 0.5864 0.4897 -0.750 0.3347 0.00753 0.00194 -0.0957 0.5813 0.4916 -0.500 0.3629 0.00759 0.00196 -0.0958 0.5765 0.4932 -0.250 0.3917 0.00755 0.00194 -0.0961 0.5722 0.4958 0.000 0.4200 0.00756 0.00194 -0.0963 0.5674 0.4982 0.250 0.4479 0.00761 0.00197 -0.0963 0.5625 0.5004 0.500 0.4764 0.00763 0.00199 -0.0966 0.5584 0.5025 0.750 0.5050 0.00766 0.00202 -0.0968 0.5541 0.5048 1.000 0.5332 0.00771 0.00205 -0.0969 0.5495 0.5070 1.250 0.5608 0.00780 0.00210 -0.0970 0.5447 0.5091 1.500 0.5895 0.00780 0.00212 -0.0972 0.5411 0.5116 1.750 0.6177 0.00781 0.00216 -0.0974 0.5367 0.5147 2.000 0.6454 0.00786 0.00221 -0.0975 0.5323 0.5174 2.250 0.6730 0.00794 0.00228 -0.0975 0.5277 0.5200 2.500 0.7015 0.00796 0.00233 -0.0978 0.5236 0.5227 2.750 0.7293 0.00802 0.00239 -0.0979 0.5190 0.5253 3.000 0.7564 0.00811 0.00245 -0.0978 0.5139 0.5278 3.250 0.7842 0.00814 0.00252 -0.0979 0.5096 0.5314 3.500 0.8121 0.00817 0.00259 -0.0981 0.5048 0.5348 3.750 0.8391 0.00825 0.00267 -0.0980 0.4999 0.5385 4.000 0.8661 0.00835 0.00277 -0.0980 0.4952 0.5418 4.250 0.8940 0.00839 0.00285 -0.0981 0.4907 0.5451 4.500 0.9210 0.00844 0.00294 -0.0981 0.4857 0.5493 4.750 0.9469 0.00857 0.00305 -0.0978 0.4800 0.5534 5.000 0.9746 0.00860 0.00315 -0.0979 0.4751 0.5576 5.250 1.0012 0.00869 0.00325 -0.0978 0.4694 0.5614 5.500 1.0267 0.00880 0.00338 -0.0975 0.4635 0.5665 5.750 1.0538 0.00886 0.00349 -0.0975 0.4578 0.5717 6.000 1.0792 0.00898 0.00362 -0.0972 0.4510 0.5769 6.250 1.1050 0.00907 0.00376 -0.0970 0.4441 0.5828 6.500 1.1303 0.00918 0.00390 -0.0967 0.4365 0.5892 6.750 1.1551 0.00932 0.00406 -0.0962 0.4287 0.5950 7.000 1.1791 0.00946 0.00423 -0.0957 0.4191 0.6022 7.250 1.2032 0.00960 0.00440 -0.0952 0.4088 0.6096 7.500 1.2255 0.00980 0.00460 -0.0943 0.3962 0.6172 7.750 1.2463 0.01005 0.00483 -0.0932 0.3801 0.6257 8.000 1.2653 0.01034 0.00510 -0.0918 0.3615 0.6343 8.250 1.2797 0.01071 0.00541 -0.0895 0.3404 0.6440 8.500 1.2916 0.01114 0.00577 -0.0867 0.3173 0.6545 8.750 1.3001 0.01172 0.00626 -0.0835 0.2920 0.6656 9.000 1.3100 0.01227 0.00675 -0.0806 0.2688 0.6781 9.250 1.3184 0.01288 0.00731 -0.0775 0.2478 0.6918 9.500 1.3265 0.01350 0.00789 -0.0745 0.2284 0.7067 9.750 1.3340 0.01417 0.00853 -0.0715 0.2097 0.7238 10.000 1.3407 0.01488 0.00923 -0.0685 0.1927 0.7438 10.250 1.3445 0.01573 0.01007 -0.0652 0.1746 0.7682 10.500 1.3489 0.01657 0.01095 -0.0622 0.1596 0.8016 10.750 1.3506 0.01736 0.01189 -0.0587 0.1461 0.8679 11.000 1.3582 0.01823 0.01288 -0.0567 0.1329 1.0000 11.250 1.3627 0.01943 0.01403 -0.0543 0.1202 1.0000 11.500 1.3666 0.02073 0.01529 -0.0521 0.1082 1.0000 11.750 1.3715 0.02205 0.01658 -0.0501 0.0987 1.0000 12.000 1.3748 0.02354 0.01803 -0.0482 0.0891 1.0000 12.250 1.3787 0.02507 0.01953 -0.0465 0.0803 1.0000 12.500 1.3828 0.02665 0.02110 -0.0449 0.0722 1.0000 12.750 1.3860 0.02836 0.02279 -0.0434 0.0650 1.0000 13.000 1.3881 0.03021 0.02463 -0.0420 0.0583 1.0000 13.250 1.3916 0.03203 0.02645 -0.0408 0.0523 1.0000 13.500 1.3947 0.03395 0.02838 -0.0398 0.0474 1.0000 13.750 1.3968 0.03603 0.03045 -0.0387 0.0426 1.0000 14.000 1.4009 0.03799 0.03244 -0.0380 0.0388 1.0000 14.250 1.4024 0.04026 0.03472 -0.0372 0.0350 1.0000 14.500 1.4062 0.04238 0.03686 -0.0366 0.0317 1.0000 14.750 1.4085 0.04470 0.03920 -0.0361 0.0289 1.0000 15.000 1.4113 0.04703 0.04156 -0.0357 0.0263 1.0000 15.250 1.4136 0.04948 0.04405 -0.0354 0.0242 1.0000 15.500 1.4170 0.05187 0.04648 -0.0352 0.0223 1.0000 15.750 1.4184 0.05451 0.04915 -0.0351 0.0204 1.0000 16.000 1.4213 0.05707 0.05176 -0.0351 0.0188 1.0000 16.250 1.4218 0.05995 0.05467 -0.0352 0.0172 1.0000 16.500 1.4253 0.06254 0.05732 -0.0354 0.0160 1.0000 16.750 1.4256 0.06555 0.06037 -0.0357 0.0147 1.0000 17.000 1.4265 0.06856 0.06344 -0.0360 0.0138 1.0000 17.250 1.4290 0.07142 0.06635 -0.0365 0.0127 1.0000 17.500 1.4281 0.07478 0.06977 -0.0371 0.0117 1.0000 17.750 1.4287 0.07798 0.07303 -0.0377 0.0109 1.0000 18.000 1.4294 0.08123 0.07634 -0.0385 0.0101 1.0000 18.250 1.4276 0.08487 0.08004 -0.0394 0.0094 1.0000 18.500 1.4271 0.08841 0.08364 -0.0403 0.0087 1.0000 18.750 1.4265 0.09199 0.08730 -0.0414 0.0082 1.0000 19.000 1.4240 0.09589 0.09126 -0.0426 0.0076 1.0000 19.250 1.4203 0.10003 0.09548 -0.0440 0.0072 1.0000