XFOIL Version 6.96 Calculated polar for: NACA 2418 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 ------ -------- --------- --------- -------- -------- -------- -19.500 -1.1707 0.08293 0.07893 -0.0573 1.0000 0.0352 -19.250 -1.1887 0.07720 0.07312 -0.0599 1.0000 0.0355 -19.000 -1.2066 0.07146 0.06729 -0.0626 1.0000 0.0358 -18.750 -1.2244 0.06581 0.06155 -0.0652 1.0000 0.0360 -18.500 -1.2392 0.06062 0.05627 -0.0676 1.0000 0.0363 -18.250 -1.2524 0.05573 0.05129 -0.0698 1.0000 0.0365 -18.000 -1.2624 0.05136 0.04683 -0.0717 1.0000 0.0368 -17.750 -1.2695 0.04742 0.04280 -0.0733 1.0000 0.0370 -17.500 -1.2741 0.04388 0.03916 -0.0746 1.0000 0.0373 -17.250 -1.2760 0.04072 0.03592 -0.0757 1.0000 0.0376 -17.000 -1.2757 0.03788 0.03300 -0.0766 1.0000 0.0380 -16.750 -1.2735 0.03536 0.03041 -0.0772 1.0000 0.0383 -16.500 -1.2693 0.03314 0.02811 -0.0776 1.0000 0.0387 -16.250 -1.2631 0.03123 0.02612 -0.0777 1.0000 0.0390 -16.000 -1.2553 0.02957 0.02439 -0.0776 1.0000 0.0393 -15.750 -1.2561 0.02736 0.02211 -0.0770 1.0000 0.0399 -15.500 -1.2527 0.02571 0.02042 -0.0761 1.0000 0.0405 -15.250 -1.2469 0.02442 0.01909 -0.0748 1.0000 0.0411 -15.000 -1.2411 0.02337 0.01800 -0.0729 1.0000 0.0417 -14.750 -1.2370 0.02250 0.01708 -0.0704 1.0000 0.0422 -14.500 -1.2356 0.02177 0.01631 -0.0671 1.0000 0.0427 -14.250 -1.2387 0.02119 0.01568 -0.0627 1.0000 0.0432 -14.000 -1.2481 0.02075 0.01520 -0.0569 1.0000 0.0435 -13.750 -1.2445 0.02026 0.01465 -0.0534 0.9992 0.0440 -13.500 -1.2231 0.01941 0.01378 -0.0535 0.9969 0.0452 -13.250 -1.1972 0.01877 0.01313 -0.0541 0.9949 0.0464 -13.000 -1.1677 0.01821 0.01255 -0.0551 0.9935 0.0478 -12.750 -1.1364 0.01770 0.01200 -0.0565 0.9924 0.0490 -12.500 -1.1123 0.01703 0.01134 -0.0565 0.9892 0.0509 -12.250 -1.0839 0.01654 0.01084 -0.0571 0.9868 0.0528 -12.000 -1.0535 0.01607 0.01035 -0.0581 0.9849 0.0548 -11.750 -1.0228 0.01553 0.00983 -0.0593 0.9833 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0.00202 -0.0511 0.6366 0.3544 -1.500 0.0807 0.00765 0.00199 -0.0509 0.6235 0.3729 -1.250 0.1081 0.00759 0.00196 -0.0507 0.6111 0.3934 -1.000 0.1348 0.00754 0.00195 -0.0504 0.5982 0.4177 -0.750 0.1614 0.00751 0.00194 -0.0500 0.5841 0.4428 -0.500 0.1885 0.00747 0.00194 -0.0498 0.5708 0.4685 -0.250 0.2149 0.00742 0.00195 -0.0494 0.5580 0.5006 0.000 0.2416 0.00739 0.00198 -0.0491 0.5464 0.5317 0.250 0.2689 0.00736 0.00200 -0.0489 0.5368 0.5565 0.500 0.2961 0.00737 0.00203 -0.0487 0.5271 0.5786 0.750 0.3235 0.00736 0.00207 -0.0485 0.5190 0.6000 1.000 0.3511 0.00736 0.00210 -0.0483 0.5106 0.6203 1.250 0.3781 0.00740 0.00215 -0.0481 0.5017 0.6404 1.500 0.4059 0.00738 0.00220 -0.0479 0.4938 0.6616 1.750 0.4328 0.00742 0.00225 -0.0476 0.4852 0.6825 2.250 0.4873 0.00742 0.00238 -0.0472 0.4699 0.7279 2.500 0.5139 0.00746 0.00245 -0.0468 0.4614 0.7512 2.750 0.5410 0.00747 0.00253 -0.0465 0.4530 0.7739 3.000 0.5670 0.00754 0.00262 -0.0460 0.4439 0.7971 3.250 0.5941 0.00756 0.00271 -0.0457 0.4356 0.8209 3.500 0.6196 0.00766 0.00282 -0.0451 0.4238 0.8427 3.750 0.6458 0.00774 0.00292 -0.0446 0.4119 0.8619 4.000 0.6714 0.00785 0.00304 -0.0440 0.4011 0.8800 4.250 0.6967 0.00798 0.00316 -0.0433 0.3903 0.8976 4.500 0.7222 0.00809 0.00329 -0.0427 0.3808 0.9137 5.000 0.7711 0.00840 0.00358 -0.0410 0.3597 0.9450 5.250 0.7957 0.00862 0.00376 -0.0401 0.3488 0.9604 5.500 0.8246 0.00882 0.00393 -0.0403 0.3373 0.9709 5.750 0.8529 0.00904 0.00411 -0.0404 0.3260 0.9796 6.000 0.8875 0.00933 0.00433 -0.0420 0.3122 0.9833 6.250 0.9223 0.00963 0.00455 -0.0436 0.2973 0.9868 6.500 0.9562 0.00992 0.00477 -0.0451 0.2829 0.9904 6.750 0.9901 0.01022 0.00500 -0.0466 0.2688 0.9930 7.000 1.0250 0.01056 0.00526 -0.0483 0.2531 0.9949 7.250 1.0588 0.01092 0.00553 -0.0499 0.2380 0.9972 7.500 1.0923 0.01128 0.00582 -0.0514 0.2256 0.9994 7.750 1.1107 0.01153 0.00602 -0.0498 0.2168 1.0000 8.000 1.1209 0.01173 0.00619 -0.0463 0.2096 1.0000 8.250 1.1324 0.01194 0.00638 -0.0432 0.2023 1.0000 8.500 1.1417 0.01218 0.00658 -0.0396 0.1954 1.0000 8.750 1.1544 0.01240 0.00679 -0.0367 0.1884 1.0000 9.000 1.1688 0.01273 0.00708 -0.0343 0.1803 1.0000 9.250 1.1857 0.01306 0.00738 -0.0325 0.1715 1.0000 9.500 1.2027 0.01345 0.00772 -0.0307 0.1624 1.0000 9.750 1.2188 0.01391 0.00813 -0.0289 0.1524 1.0000 10.000 1.2349 0.01441 0.00857 -0.0271 0.1425 1.0000 10.250 1.2517 0.01489 0.00902 -0.0256 0.1344 1.0000 10.500 1.2678 0.01543 0.00952 -0.0240 0.1270 1.0000 10.750 1.2835 0.01600 0.01006 -0.0224 0.1203 1.0000 11.000 1.2999 0.01656 0.01061 -0.0209 0.1146 1.0000 11.250 1.3149 0.01721 0.01123 -0.0194 0.1090 1.0000 11.500 1.3310 0.01781 0.01184 -0.0180 0.1044 1.0000 11.750 1.3454 0.01853 0.01253 -0.0166 0.0994 1.0000 12.000 1.3605 0.01923 0.01324 -0.0152 0.0950 1.0000 12.250 1.3740 0.02004 0.01404 -0.0138 0.0902 1.0000 12.500 1.3879 0.02086 0.01486 -0.0125 0.0860 1.0000 12.750 1.4002 0.02180 0.01579 -0.0111 0.0817 1.0000 13.000 1.4131 0.02273 0.01673 -0.0099 0.0779 1.0000 13.250 1.4238 0.02384 0.01783 -0.0086 0.0739 1.0000 13.500 1.4351 0.02494 0.01894 -0.0074 0.0706 1.0000 13.750 1.4449 0.02619 0.02020 -0.0062 0.0673 1.0000 14.000 1.4544 0.02750 0.02153 -0.0051 0.0644 1.0000 14.250 1.4633 0.02888 0.02294 -0.0041 0.0618 1.0000 14.500 1.4689 0.03058 0.02465 -0.0030 0.0593 1.0000 14.750 1.4784 0.03202 0.02614 -0.0022 0.0575 1.0000 15.000 1.4849 0.03375 0.02790 -0.0014 0.0555 1.0000 15.250 1.4880 0.03584 0.03001 -0.0006 0.0536 1.0000 15.500 1.4952 0.03762 0.03185 -0.0001 0.0523 1.0000 15.750 1.5005 0.03963 0.03391 0.0004 0.0510 1.0000 16.000 1.5036 0.04191 0.03624 0.0008 0.0498 1.0000 16.250 1.5037 0.04453 0.03890 0.0012 0.0487 1.0000 16.500 1.5039 0.04724 0.04166 0.0014 0.0477 1.0000 16.750 1.5077 0.04962 0.04412 0.0014 0.0470 1.0000 17.000 1.5095 0.05225 0.04682 0.0014 0.0462 1.0000 17.250 1.5092 0.05514 0.04977 0.0013 0.0454 1.0000 17.500 1.5070 0.05831 0.05300 0.0011 0.0447 1.0000 17.750 1.5026 0.06180 0.05656 0.0008 0.0441 1.0000 18.000 1.4947 0.06576 0.06058 0.0002 0.0434 1.0000 18.250 1.4881 0.06960 0.06450 -0.0003 0.0428 1.0000 18.500 1.4860 0.07296 0.06795 -0.0009 0.0424 1.0000 18.750 1.4828 0.07647 0.07154 -0.0016 0.0419 1.0000 19.000 1.4787 0.08014 0.07528 -0.0024 0.0415 1.0000 19.250 1.4723 0.08412 0.07935 -0.0033 0.0410 1.0000