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 = 1.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.250 -0.9652 0.08741 0.08391 -0.0808 1.0000 0.0331 -19.000 -0.9780 0.08219 0.07861 -0.0836 1.0000 0.0333 -18.750 -0.9921 0.07693 0.07325 -0.0865 1.0000 0.0334 -18.500 -1.0076 0.07164 0.06787 -0.0893 1.0000 0.0335 -18.250 -1.0249 0.06631 0.06245 -0.0921 1.0000 0.0336 -18.000 -1.0483 0.06043 0.05648 -0.0951 1.0000 0.0337 -17.750 -1.0720 0.05448 0.05044 -0.0981 1.0000 0.0339 -17.500 -1.0954 0.04857 0.04441 -0.1010 1.0000 0.0340 -17.250 -1.1167 0.04320 0.03893 -0.1034 1.0000 0.0341 -17.000 -1.1361 0.03859 0.03422 -0.1049 1.0000 0.0343 -16.750 -1.1554 0.03485 0.03038 -0.1050 1.0000 0.0344 -16.500 -1.1769 0.03194 0.02738 -0.1033 1.0000 0.0345 -16.250 -1.1970 0.02965 0.02501 -0.1007 0.9998 0.0346 -16.000 -1.1824 0.02744 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0.0509 -11.250 -0.7396 0.01357 0.00809 -0.1073 0.9326 0.0531 -11.000 -0.7152 0.01326 0.00776 -0.1067 0.9264 0.0556 -10.750 -0.6897 0.01292 0.00740 -0.1063 0.9210 0.0582 -10.500 -0.6644 0.01266 0.00713 -0.1058 0.9149 0.0610 -10.250 -0.6387 0.01239 0.00684 -0.1054 0.9085 0.0636 -10.000 -0.6121 0.01214 0.00657 -0.1051 0.9025 0.0664 -9.750 -0.5854 0.01197 0.00638 -0.1048 0.8959 0.0688 -9.500 -0.5594 0.01169 0.00610 -0.1045 0.8890 0.0715 -9.250 -0.5321 0.01152 0.00589 -0.1043 0.8825 0.0740 -9.000 -0.5051 0.01134 0.00568 -0.1040 0.8752 0.0759 -8.750 -0.4786 0.01110 0.00542 -0.1037 0.8679 0.0785 -8.500 -0.4513 0.01093 0.00523 -0.1035 0.8607 0.0807 -8.250 -0.4236 0.01081 0.00506 -0.1034 0.8530 0.0825 -8.000 -0.3969 0.01058 0.00480 -0.1031 0.8454 0.0851 -7.750 -0.3697 0.01040 0.00462 -0.1029 0.8374 0.0875 -7.500 -0.3421 0.01029 0.00445 -0.1027 0.8293 0.0897 -7.250 -0.3146 0.01014 0.00427 -0.1026 0.8215 0.0920 -7.000 -0.2876 0.00995 0.00407 -0.1023 0.8129 0.0949 -6.750 -0.2600 0.00982 0.00391 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-0.0982 0.6015 0.2858 -1.250 0.3434 0.00819 0.00218 -0.0980 0.5917 0.2988 -1.000 0.3712 0.00815 0.00218 -0.0979 0.5832 0.3138 -0.750 0.3982 0.00817 0.00219 -0.0976 0.5736 0.3270 -0.500 0.4259 0.00818 0.00220 -0.0975 0.5656 0.3405 -0.250 0.4531 0.00817 0.00222 -0.0973 0.5571 0.3570 0.000 0.4799 0.00817 0.00225 -0.0970 0.5489 0.3778 0.250 0.5071 0.00810 0.00228 -0.0969 0.5413 0.4124 0.500 0.5329 0.00804 0.00233 -0.0965 0.5332 0.4614 0.750 0.5599 0.00795 0.00238 -0.0963 0.5265 0.5126 1.000 0.5866 0.00790 0.00244 -0.0960 0.5191 0.5565 1.250 0.6124 0.00792 0.00252 -0.0956 0.5115 0.5942 1.500 0.6399 0.00787 0.00258 -0.0955 0.5054 0.6309 1.750 0.6662 0.00787 0.00266 -0.0951 0.4984 0.6697 2.000 0.6917 0.00788 0.00276 -0.0946 0.4914 0.7121 2.250 0.7183 0.00783 0.00285 -0.0942 0.4854 0.7546 2.500 0.7436 0.00785 0.00295 -0.0936 0.4784 0.7943 2.750 0.7681 0.00787 0.00307 -0.0928 0.4714 0.8354 3.000 0.7922 0.00786 0.00319 -0.0918 0.4644 0.8824 3.250 0.8141 0.00797 0.00333 -0.0903 0.4562 0.9240 3.500 0.8400 0.00806 0.00345 -0.0897 0.4496 0.9529 3.750 0.8721 0.00820 0.00358 -0.0905 0.4427 0.9755 4.000 0.9080 0.00842 0.00374 -0.0923 0.4348 0.9886 4.250 0.9461 0.00855 0.00386 -0.0945 0.4286 0.9944 4.500 0.9838 0.00874 0.00400 -0.0968 0.4211 0.9984 4.750 1.0098 0.00890 0.00412 -0.0965 0.4145 1.0000 5.000 1.0296 0.00899 0.00420 -0.0949 0.4086 1.0000 5.250 1.0484 0.00914 0.00432 -0.0931 0.4017 1.0000 5.500 1.0691 0.00929 0.00444 -0.0917 0.3956 1.0000 5.750 1.0909 0.00942 0.00456 -0.0905 0.3893 1.0000 6.000 1.1100 0.00962 0.00472 -0.0888 0.3820 1.0000 6.250 1.1316 0.00978 0.00487 -0.0876 0.3757 1.0000 6.500 1.1527 0.00998 0.00504 -0.0863 0.3674 1.0000 6.750 1.1735 0.01022 0.00524 -0.0851 0.3586 1.0000 7.000 1.1951 0.01045 0.00544 -0.0840 0.3498 1.0000 7.250 1.2158 0.01072 0.00568 -0.0828 0.3414 1.0000 7.500 1.2370 0.01099 0.00592 -0.0817 0.3314 1.0000 7.750 1.2573 0.01130 0.00619 -0.0805 0.3207 1.0000 8.000 1.2757 0.01170 0.00652 -0.0790 0.3080 1.0000 8.250 1.2956 0.01206 0.00683 -0.0778 0.2961 1.0000 8.500 1.3151 0.01243 0.00716 -0.0765 0.2860 1.0000 8.750 1.3329 0.01289 0.00757 -0.0750 0.2752 1.0000 9.000 1.3524 0.01329 0.00793 -0.0739 0.2649 1.0000 9.250 1.3697 0.01378 0.00838 -0.0724 0.2543 1.0000 9.500 1.3857 0.01436 0.00889 -0.0708 0.2424 1.0000 9.750 1.4032 0.01486 0.00937 -0.0694 0.2322 1.0000 10.000 1.4191 0.01546 0.00993 -0.0679 0.2219 1.0000 10.250 1.4332 0.01616 0.01057 -0.0661 0.2111 1.0000 10.500 1.4491 0.01679 0.01117 -0.0647 0.2017 1.0000 10.750 1.4633 0.01752 0.01187 -0.0631 0.1927 1.0000 11.000 1.4761 0.01834 0.01265 -0.0614 0.1834 1.0000 11.250 1.4905 0.01909 0.01339 -0.0599 0.1754 1.0000 11.500 1.5021 0.02003 0.01429 -0.0582 0.1671 1.0000 11.750 1.5151 0.02091 0.01516 -0.0568 0.1597 1.0000 12.000 1.5265 0.02190 0.01613 -0.0552 0.1525 1.0000 12.250 1.5375 0.02295 0.01717 -0.0537 0.1454 1.0000 12.500 1.5484 0.02405 0.01826 -0.0522 0.1387 1.0000 12.750 1.5569 0.02532 0.01951 -0.0506 0.1313 1.0000 13.000 1.5664 0.02656 0.02075 -0.0492 0.1246 1.0000 13.250 1.5732 0.02804 0.02221 -0.0477 0.1175 1.0000 13.500 1.5797 0.02960 0.02376 -0.0463 0.1103 1.0000 13.750 1.5857 0.03125 0.02540 -0.0449 0.1037 1.0000 14.000 1.5894 0.03313 0.02727 -0.0436 0.0974 1.0000 14.250 1.5929 0.03509 0.02923 -0.0423 0.0913 1.0000 14.500 1.5970 0.03707 0.03121 -0.0412 0.0861 1.0000 14.750 1.5980 0.03937 0.03352 -0.0400 0.0811 1.0000 15.000 1.6005 0.04160 0.03577 -0.0391 0.0767 1.0000 15.250 1.6014 0.04404 0.03823 -0.0382 0.0726 1.0000 15.500 1.6021 0.04655 0.04077 -0.0375 0.0689 1.0000 15.750 1.6028 0.04913 0.04337 -0.0368 0.0656 1.0000 16.000 1.6019 0.05190 0.04618 -0.0362 0.0625 1.0000 16.250 1.6001 0.05482 0.04914 -0.0357 0.0598 1.0000 16.500 1.5994 0.05771 0.05207 -0.0354 0.0574 1.0000 16.750 1.5954 0.06098 0.05538 -0.0351 0.0553 1.0000 17.000 1.5948 0.06390 0.05836 -0.0348 0.0536 1.0000 17.250 1.5920 0.06712 0.06164 -0.0348 0.0521 1.0000 17.500 1.5870 0.07067 0.06524 -0.0347 0.0506 1.0000 17.750 1.5805 0.07442 0.06904 -0.0348 0.0492 1.0000 18.000 1.5797 0.07750 0.07220 -0.0349 0.0483 1.0000 18.250 1.5756 0.08103 0.07580 -0.0352 0.0473 1.0000 18.500 1.5709 0.08466 0.07948 -0.0355 0.0463 1.0000 18.750 1.5644 0.08856 0.08344 -0.0360 0.0455 1.0000 19.000 1.5550 0.09291 0.08785 -0.0366 0.0447 1.0000