XFOIL Version 6.96 Calculated polar for: EPPLER 550 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 = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.250 -0.7433 0.14441 0.14206 -0.0179 1.0000 0.0025 -19.000 -0.7831 0.13138 0.12888 -0.0244 1.0000 0.0024 -18.750 -0.8269 0.11809 0.11540 -0.0310 1.0000 0.0024 -18.500 -0.8467 0.10994 0.10714 -0.0351 1.0000 0.0024 -18.250 -0.8886 0.09781 0.09480 -0.0414 1.0000 0.0024 -18.000 -0.9062 0.09064 0.08750 -0.0451 1.0000 0.0024 -17.750 -0.9171 0.08487 0.08162 -0.0480 1.0000 0.0023 -17.500 -0.9346 0.07827 0.07488 -0.0512 1.0000 0.0023 -17.250 -0.9566 0.07137 0.06781 -0.0544 1.0000 0.0024 -17.000 -0.9531 0.06846 0.06484 -0.0556 1.0000 0.0023 -16.750 -0.9686 0.06309 0.05933 -0.0576 1.0000 0.0024 -16.500 -0.9734 0.05936 0.05550 -0.0588 1.0000 0.0024 -16.250 -0.9817 0.05537 0.05139 -0.0599 1.0000 0.0024 -16.000 -0.9902 0.05156 0.04746 -0.0607 1.0000 0.0025 -15.750 -0.9883 0.04905 0.04489 -0.0610 1.0000 0.0026 -15.500 -0.9843 0.04685 0.04261 -0.0612 1.0000 0.0024 -15.250 -0.9876 0.04400 0.03966 -0.0613 1.0000 0.0026 -15.000 -0.9839 0.04192 0.03752 -0.0611 1.0000 0.0026 -14.750 -0.9807 0.03992 0.03545 -0.0609 1.0000 0.0027 -14.500 -0.9768 0.03806 0.03351 -0.0604 1.0000 0.0026 -14.250 -0.9711 0.03641 0.03181 -0.0599 1.0000 0.0027 -14.000 -0.9642 0.03491 0.03025 -0.0593 1.0000 0.0028 -13.750 -0.9565 0.03350 0.02880 -0.0587 1.0000 0.0029 -13.500 -0.9492 0.03209 0.02734 -0.0579 1.0000 0.0029 -13.250 -0.9308 0.03057 0.02575 -0.0593 0.9990 0.0030 -13.000 -0.9217 0.02908 0.02421 -0.0587 0.9925 0.0030 -12.750 -0.8748 0.02737 0.02240 -0.0656 0.9426 0.0031 -12.500 -0.7486 0.02535 0.01997 -0.0888 0.8578 0.0033 -12.250 -0.7410 0.02449 0.01883 -0.0873 0.7998 0.0033 -12.000 -0.7296 0.02377 0.01795 -0.0860 0.7692 0.0034 -11.750 -0.7201 0.02288 0.01692 -0.0847 0.7454 0.0034 -11.500 -0.7049 0.02232 0.01626 -0.0838 0.7265 0.0037 -11.250 -0.6940 0.02147 0.01530 -0.0825 0.7097 0.0037 -11.000 -0.6829 0.02063 0.01438 -0.0813 0.6947 0.0035 -10.750 -0.6681 0.02003 0.01369 -0.0802 0.6805 0.0037 -10.500 -0.6569 0.01923 0.01281 -0.0789 0.6675 0.0039 -10.250 -0.6456 0.01845 0.01195 -0.0774 0.6553 0.0040 -10.000 -0.6329 0.01777 0.01120 -0.0761 0.6446 0.0041 -9.750 -0.6196 0.01714 0.01051 -0.0747 0.6351 0.0042 -9.500 -0.6072 0.01652 0.00983 -0.0732 0.6260 0.0044 -9.250 -0.5953 0.01592 0.00918 -0.0715 0.6177 0.0046 -9.000 -0.5864 0.01539 0.00859 -0.0691 0.6099 0.0046 -8.750 -0.5758 0.01499 0.00814 -0.0667 0.6026 0.0049 -8.500 -0.5589 0.01463 0.00772 -0.0654 0.5950 0.0052 -8.250 -0.5402 0.01428 0.00732 -0.0642 0.5884 0.0054 -8.000 -0.5209 0.01394 0.00692 -0.0632 0.5806 0.0057 -7.750 -0.5007 0.01360 0.00655 -0.0622 0.5741 0.0063 -7.500 -0.4791 0.01330 0.00621 -0.0615 0.5676 0.0068 -7.000 -0.4338 0.01274 0.00558 -0.0603 0.5562 0.0084 -6.750 -0.4101 0.01248 0.00530 -0.0598 0.5508 0.0097 -6.500 -0.3866 0.01222 0.00501 -0.0594 0.5456 0.0121 -6.250 -0.3624 0.01195 0.00474 -0.0590 0.5413 0.0157 -6.000 -0.3380 0.01166 0.00447 -0.0587 0.5367 0.0221 -5.750 -0.3134 0.01140 0.00422 -0.0584 0.5317 0.0297 -5.500 -0.2886 0.01113 0.00397 -0.0581 0.5273 0.0404 -5.250 -0.2634 0.01084 0.00373 -0.0580 0.5231 0.0550 -5.000 -0.2380 0.01054 0.00350 -0.0578 0.5190 0.0745 -4.750 -0.2129 0.01021 0.00326 -0.0577 0.5151 0.1026 -4.500 -0.1887 0.00974 0.00297 -0.0575 0.5115 0.1536 -4.250 -0.1652 0.00905 0.00261 -0.0574 0.5087 0.2382 -4.000 -0.1419 0.00821 0.00218 -0.0574 0.5056 0.3487 -3.750 -0.1172 0.00753 0.00187 -0.0574 0.5023 0.4549 -3.500 -0.0893 0.00739 0.00183 -0.0576 0.4988 0.4973 -3.250 -0.0607 0.00739 0.00181 -0.0578 0.4953 0.5163 -3.000 -0.0315 0.00738 0.00181 -0.0581 0.4927 0.5288 -2.750 -0.0023 0.00740 0.00182 -0.0584 0.4899 0.5407 -2.500 0.0270 0.00748 0.00186 -0.0587 0.4871 0.5522 -2.250 0.0558 0.00749 0.00185 -0.0589 0.4844 0.5570 -2.000 0.0848 0.00751 0.00183 -0.0592 0.4817 0.5584 -1.750 0.1138 0.00753 0.00182 -0.0594 0.4791 0.5598 -1.500 0.1431 0.00754 0.00180 -0.0598 0.4771 0.5613 -1.250 0.1723 0.00756 0.00179 -0.0601 0.4746 0.5626 -1.000 0.2014 0.00757 0.00178 -0.0604 0.4720 0.5638 -0.750 0.2305 0.00760 0.00177 -0.0607 0.4696 0.5650 -0.500 0.2594 0.00764 0.00177 -0.0610 0.4673 0.5662 -0.250 0.2883 0.00768 0.00178 -0.0613 0.4649 0.5673 0.000 0.3172 0.00772 0.00179 -0.0615 0.4628 0.5684 0.250 0.3464 0.00773 0.00180 -0.0619 0.4609 0.5698 0.500 0.3754 0.00774 0.00182 -0.0622 0.4588 0.5712 0.750 0.4043 0.00777 0.00184 -0.0625 0.4567 0.5725 1.000 0.4332 0.00780 0.00187 -0.0628 0.4545 0.5738 1.250 0.4619 0.00784 0.00190 -0.0630 0.4522 0.5751 1.500 0.4905 0.00789 0.00194 -0.0633 0.4498 0.5764 1.750 0.5189 0.00795 0.00200 -0.0635 0.4474 0.5778 2.000 0.5479 0.00798 0.00204 -0.0638 0.4458 0.5791 2.250 0.5769 0.00802 0.00208 -0.0641 0.4438 0.5805 2.500 0.6056 0.00806 0.00214 -0.0644 0.4415 0.5820 2.750 0.6343 0.00812 0.00219 -0.0646 0.4390 0.5834 3.000 0.6627 0.00818 0.00225 -0.0649 0.4361 0.5846 3.250 0.6908 0.00825 0.00232 -0.0650 0.4330 0.5859 3.500 0.7192 0.00830 0.00239 -0.0653 0.4302 0.5875 3.750 0.7478 0.00834 0.00245 -0.0656 0.4274 0.5890 4.000 0.7761 0.00839 0.00253 -0.0658 0.4241 0.5906 4.250 0.8042 0.00846 0.00261 -0.0660 0.4206 0.5922 4.500 0.8318 0.00855 0.00270 -0.0661 0.4168 0.5938 4.750 0.8601 0.00861 0.00280 -0.0663 0.4136 0.5955 5.000 0.8883 0.00867 0.00288 -0.0665 0.4094 0.5971 5.250 0.9159 0.00876 0.00298 -0.0666 0.4046 0.5989 5.500 0.9431 0.00887 0.00309 -0.0667 0.3997 0.6005 5.750 0.9710 0.00894 0.00320 -0.0669 0.3944 0.6021 6.000 0.9980 0.00905 0.00332 -0.0669 0.3880 0.6042 6.250 1.0250 0.00915 0.00345 -0.0669 0.3817 0.6062 6.500 1.0516 0.00928 0.00359 -0.0669 0.3733 0.6082 6.750 1.0778 0.00943 0.00374 -0.0668 0.3641 0.6102 7.000 1.1030 0.00963 0.00392 -0.0665 0.3514 0.6123 7.250 1.1273 0.00988 0.00413 -0.0661 0.3362 0.6143 7.500 1.1499 0.01022 0.00440 -0.0655 0.3159 0.6163 7.750 1.1704 0.01067 0.00475 -0.0645 0.2924 0.6181 8.000 1.1900 0.01114 0.00513 -0.0633 0.2687 0.6204 8.250 1.2086 0.01165 0.00555 -0.0621 0.2467 0.6228 8.500 1.2261 0.01217 0.00599 -0.0606 0.2246 0.6254 9.000 1.2584 0.01322 0.00691 -0.0573 0.1877 0.6311 9.250 1.2715 0.01378 0.00739 -0.0551 0.1698 0.6337 9.500 1.2794 0.01435 0.00790 -0.0519 0.1528 0.6364 9.750 1.2880 0.01494 0.00845 -0.0490 0.1392 0.6394 10.000 1.2969 0.01555 0.00904 -0.0462 0.1277 0.6426 10.250 1.3047 0.01621 0.00968 -0.0434 0.1175 0.6459 10.750 1.3156 0.01784 0.01128 -0.0378 0.0977 0.6521 11.000 1.3192 0.01882 0.01227 -0.0351 0.0888 0.6559 11.250 1.3215 0.02000 0.01345 -0.0326 0.0812 0.6601 11.500 1.3215 0.02144 0.01488 -0.0302 0.0725 0.6641 11.750 1.3254 0.02280 0.01627 -0.0285 0.0668 0.6681 12.000 1.3259 0.02450 0.01800 -0.0268 0.0608 0.6727 12.250 1.3270 0.02630 0.01984 -0.0254 0.0547 0.6781 12.500 1.3288 0.02817 0.02174 -0.0242 0.0504 0.6836 12.750 1.3278 0.03033 0.02393 -0.0231 0.0450 0.6894 13.000 1.3305 0.03227 0.02593 -0.0223 0.0422 0.6960 13.500 1.3303 0.03680 0.03055 -0.0209 0.0347 0.7090 13.750 1.3284 0.03933 0.03312 -0.0203 0.0309 0.7163 14.000 1.3279 0.04178 0.03562 -0.0199 0.0277 0.7240 14.250 1.3289 0.04417 0.03807 -0.0196 0.0259 0.7329 14.500 1.3273 0.04688 0.04084 -0.0194 0.0225 0.7424 14.750 1.3276 0.04948 0.04351 -0.0193 0.0207 0.7532 15.000 1.3272 0.05222 0.04632 -0.0194 0.0181 0.7662 15.250 1.3285 0.05481 0.04900 -0.0195 0.0167 0.7825 15.500 1.3309 0.05732 0.05163 -0.0196 0.0157 0.8044 15.750 1.3288 0.06025 0.05470 -0.0197 0.0135 0.8383 16.000 1.3347 0.06268 0.05746 -0.0207 0.0126 1.0000 16.250 1.3350 0.06573 0.06055 -0.0213 0.0114 1.0000 16.500 1.3378 0.06849 0.06337 -0.0219 0.0107 1.0000 16.750 1.3387 0.07155 0.06647 -0.0226 0.0097 1.0000 17.000 1.3394 0.07467 0.06963 -0.0233 0.0089 1.0000 17.250 1.3402 0.07786 0.07288 -0.0242 0.0079 1.0000 17.500 1.3417 0.08098 0.07606 -0.0251 0.0074 1.0000 17.750 1.3420 0.08431 0.07944 -0.0261 0.0069 1.0000 18.000 1.3432 0.08758 0.08277 -0.0271 0.0063 1.0000 18.250 1.3434 0.09103 0.08628 -0.0283 0.0058 1.0000 18.500 1.3431 0.09460 0.08990 -0.0296 0.0054 1.0000 18.750 1.3432 0.09816 0.09353 -0.0309 0.0051 1.0000 19.000 1.3429 0.10180 0.09724 -0.0324 0.0048 1.0000 19.250 1.3423 0.10553 0.10103 -0.0339 0.0044 1.0000