XFOIL Version 6.99 Calculated polar for: NACA 4412 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 7.500 e 6 Ncrit = 9.000 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr Top_Itr Bot_Itr ------ -------- --------- --------- -------- -------- -------- -------- -------- -20.000 -0.7449 0.17390 0.17393 -0.0058 1.0000 0.0070 1.0000 89.9678 -19.750 -0.7436 0.16967 0.16783 -0.0084 1.0000 0.0070 1.0000 89.9811 -19.500 -0.7545 0.16252 0.15745 -0.0126 1.0000 0.0071 1.0000 89.9938 -19.250 -0.7562 0.15772 0.15104 -0.0155 1.0000 0.0071 1.0000 90.0187 -19.000 -0.7820 0.14778 0.13769 -0.0213 1.0000 0.0074 1.0000 90.1484 -18.750 -0.8483 0.13030 0.11584 -0.0315 1.0000 0.0075 1.0000 90.2122 -17.750 -1.4644 0.02067 0.01232 -0.1020 0.9995 0.0070 1.0633 89.9444 -17.500 -1.4405 0.01994 0.01180 -0.1024 0.9989 0.0070 1.1392 89.9581 -17.250 -1.4160 0.01925 0.01131 -0.1027 0.9981 0.0070 1.2322 89.9699 -17.000 -1.3907 0.01860 0.01084 -0.1032 0.9973 0.0070 1.3360 89.9798 -16.750 -1.3649 0.01798 0.01040 -0.1036 0.9965 0.0071 1.4398 89.9881 -16.500 -1.3384 0.01740 0.00997 -0.1041 0.9957 0.0071 1.5389 89.9951 -16.250 -1.3117 0.01680 0.00953 -0.1046 0.9947 0.0071 1.6593 90.0173 -16.000 -1.2856 0.01607 0.00896 -0.1052 0.9935 0.0073 1.8112 90.1273 -15.750 -1.2590 0.01541 0.00846 -0.1057 0.9919 0.0076 2.0051 90.2428 -15.500 -1.2369 0.01487 0.00805 -0.1051 0.9887 0.0078 2.2968 90.3502 -15.250 -1.2132 0.01436 0.00767 -0.1047 0.9851 0.0080 2.6298 90.4525 -15.000 -1.1888 0.01389 0.00730 -0.1044 0.9810 0.0082 3.0029 90.5464 -14.750 -1.1647 0.01346 0.00698 -0.1041 0.9780 0.0084 3.2340 90.6283 -14.500 -1.1403 0.01306 0.00668 -0.1037 0.9738 0.0085 3.5685 90.7009 -14.250 -1.1157 0.01270 0.00640 -0.1033 0.9686 0.0087 3.9765 90.7643 -14.000 -1.0900 0.01234 0.00613 -0.1031 0.9657 0.0088 4.1900 90.8187 -13.750 -1.0643 0.01202 0.00588 -0.1029 0.9613 0.0089 4.5014 90.8638 -13.500 -1.0388 0.01171 0.00563 -0.1026 0.9556 0.0090 4.9082 90.9023 -13.250 -1.0123 0.01141 0.00540 -0.1025 0.9520 0.0091 5.1561 90.9345 -13.000 -0.9858 0.01113 0.00518 -0.1023 0.9473 0.0091 5.4720 90.9598 -12.750 -0.9595 0.01087 0.00497 -0.1021 0.9409 0.0091 5.9027 90.9788 -12.500 -0.9325 0.01061 0.00476 -0.1021 0.9367 0.0092 6.1769 90.9930 -12.250 -0.9058 0.01032 0.00453 -0.1020 0.9310 0.0093 6.5474 91.0574 -12.000 -0.8794 0.01000 0.00425 -0.1018 0.9233 0.0098 7.0422 91.2377 -11.750 -0.8526 0.00970 0.00401 -0.1017 0.9161 0.0102 7.4992 91.4167 -11.500 -0.8258 0.00945 0.00378 -0.1015 0.9060 0.0105 8.1389 91.5588 -11.250 -0.7988 0.00922 0.00359 -0.1014 0.8950 0.0108 8.8363 91.6732 -11.000 -0.7713 0.00900 0.00341 -0.1014 0.8867 0.0110 9.3551 91.7731 -10.750 -0.7437 0.00881 0.00324 -0.1013 0.8783 0.0112 9.8814 91.8562 -10.500 -0.7158 0.00862 0.00309 -0.1014 0.8730 0.0114 10.2124 91.9183 -10.250 -0.6878 0.00845 0.00294 -0.1014 0.8661 0.0115 10.6409 91.9622 -10.000 -0.6598 0.00829 0.00281 -0.1014 0.8590 0.0116 11.0881 91.9905 -9.750 -0.6319 0.00809 0.00264 -0.1014 0.8524 0.0120 11.4979 92.1464 -9.500 -0.6041 0.00788 0.00246 -0.1014 0.8436 0.0128 12.0457 92.4353 -9.250 -0.5760 0.00769 0.00231 -0.1015 0.8362 0.0133 12.5064 92.6316 -9.000 -0.5479 0.00754 0.00218 -0.1015 0.8268 0.0137 13.0885 92.7797 -8.750 -0.5196 0.00740 0.00206 -0.1015 0.8185 0.0140 13.6045 92.8915 -8.500 -0.4912 0.00728 0.00196 -0.1016 0.8101 0.0142 14.1312 92.9616 -8.250 -0.4627 0.00717 0.00186 -0.1017 0.8011 0.0143 14.6845 92.9999 -8.000 -0.4344 0.00701 0.00172 -0.1017 0.7920 0.0153 15.2487 93.3387 -7.750 -0.4062 0.00688 0.00160 -0.1018 0.7805 0.0162 15.9633 93.6125 -7.500 -0.3777 0.00676 0.00150 -0.1018 0.7716 0.0168 16.5175 93.8124 -7.250 -0.3491 0.00667 0.00142 -0.1019 0.7612 0.0172 17.1567 93.9416 -7.000 -0.3206 0.00659 0.00134 -0.1020 0.7500 0.0175 17.8519 94.0591 -6.750 -0.2921 0.00646 0.00123 -0.1021 0.7399 0.0191 18.4760 94.5086 -6.500 -0.2635 0.00637 0.00115 -0.1022 0.7284 0.0200 19.1902 94.7863 -6.000 -0.2062 0.00623 0.00101 -0.1023 0.7052 0.0215 20.6215 95.1985 -5.750 -0.1777 0.00614 0.00093 -0.1024 0.6935 0.0232 21.3414 95.6430 -5.500 -0.1490 0.00609 0.00087 -0.1025 0.6807 0.0243 22.1337 95.9144 -5.250 -0.1204 0.00604 0.00082 -0.1026 0.6675 0.0256 22.9478 96.2285 -5.000 -0.0918 0.00596 0.00075 -0.1027 0.6561 0.0279 23.6482 96.7433 -4.750 -0.0630 0.00592 0.00071 -0.1028 0.6438 0.0289 24.4071 96.9830 -4.500 -0.0344 0.00587 0.00065 -0.1029 0.6310 0.0316 25.1979 97.5272 -4.250 -0.0058 0.00584 0.00061 -0.1030 0.6175 0.0336 26.0332 97.9207 -4.000 0.0229 0.00580 0.00057 -0.1031 0.6050 0.0367 26.8010 98.4727 -3.750 0.0517 0.00576 0.00053 -0.1032 0.5934 0.0394 27.5181 98.9338 -3.500 0.0804 0.00573 0.00049 -0.1033 0.5813 0.0430 28.2602 99.4894 -3.250 0.1090 0.00571 0.00046 -0.1034 0.5681 0.0461 29.0742 99.9597 -3.000 0.1377 0.00568 0.00043 -0.1035 0.5564 0.0517 29.8016 100.6868 -2.750 0.1665 0.00566 0.00041 -0.1036 0.5461 0.0551 30.4367 101.1064 -2.500 0.1952 0.00563 0.00038 -0.1037 0.5345 0.0618 31.1516 101.8604 -2.250 0.2238 0.00562 0.00036 -0.1039 0.5233 0.0686 31.8447 102.5411 -2.000 0.2527 0.00560 0.00035 -0.1040 0.5145 0.0734 32.3863 103.0068 -1.750 0.2813 0.00558 0.00033 -0.1041 0.5037 0.0836 33.0532 103.8902 -1.500 0.3102 0.00556 0.00032 -0.1043 0.4959 0.0924 33.5337 104.5876 -1.250 0.3389 0.00555 0.00031 -0.1044 0.4868 0.1021 34.1016 105.3139 -1.000 0.3678 0.00553 0.00030 -0.1045 0.4796 0.1113 34.5439 105.9821 -0.750 0.3965 0.00551 0.00030 -0.1047 0.4711 0.1251 35.0714 106.9223 -0.500 0.4254 0.00549 0.00029 -0.1048 0.4653 0.1386 35.4291 107.8107 -0.250 0.4540 0.00549 0.00030 -0.1050 0.4563 0.1528 35.9907 108.7196 0.000 0.4830 0.00546 0.00029 -0.1052 0.4524 0.1684 36.2351 109.6994 0.250 0.5117 0.00546 0.00030 -0.1053 0.4458 0.1840 36.6452 110.6562 0.500 0.5405 0.00545 0.00031 -0.1055 0.4392 0.2018 37.0516 111.7388 0.750 0.5694 0.00543 0.00031 -0.1056 0.4350 0.2203 37.3154 112.8489 1.000 0.5980 0.00544 0.00033 -0.1058 0.4284 0.2385 37.7293 113.9322 1.250 0.6267 0.00543 0.00034 -0.1060 0.4229 0.2613 38.0741 115.2790 1.500 0.6555 0.00541 0.00035 -0.1061 0.4183 0.2857 38.3614 116.7097 1.750 0.6839 0.00543 0.00037 -0.1062 0.4105 0.3094 38.8479 118.1028 2.000 0.7127 0.00541 0.00039 -0.1064 0.4058 0.3413 39.1480 119.9869 2.250 0.7410 0.00541 0.00041 -0.1065 0.3978 0.3778 39.6515 122.1488 2.500 0.7691 0.00534 0.00044 -0.1067 0.3896 0.4479 40.1786 126.2823 2.750 0.7968 0.00531 0.00049 -0.1067 0.3772 0.5218 40.9686 130.5989 3.000 0.8247 0.00530 0.00053 -0.1068 0.3668 0.5824 41.6426 134.1464 3.250 0.8522 0.00532 0.00059 -0.1068 0.3532 0.6423 42.5229 137.6644 3.500 0.8793 0.00536 0.00065 -0.1067 0.3372 0.6998 43.5600 141.0442 3.750 0.9060 0.00541 0.00073 -0.1066 0.3197 0.7659 44.7027 144.9362 4.000 0.9321 0.00544 0.00082 -0.1063 0.3008 0.8473 45.9437 149.7303 4.250 0.9561 0.00543 0.00092 -0.1055 0.2837 0.9384 47.0654 155.1622 4.500 0.9827 0.00556 0.00100 -0.1052 0.2655 0.9938 48.2753 159.2552 4.750 1.0108 0.00582 0.00110 -0.1054 0.2435 1.0000 49.7407 160.0000 5.000 1.0369 0.00606 0.00119 -0.1052 0.2231 1.0000 51.1153 160.0000 5.250 1.0626 0.00634 0.00130 -0.1048 0.2013 1.0000 52.5952 160.0000 5.500 1.0881 0.00662 0.00141 -0.1045 0.1793 1.0000 54.1195 160.0000 5.750 1.1133 0.00693 0.00154 -0.1041 0.1584 1.0000 55.5871 160.0000 6.000 1.1384 0.00724 0.00167 -0.1036 0.1367 1.0000 57.1503 160.0000 6.250 1.1635 0.00755 0.00180 -0.1032 0.1188 1.0000 58.4808 160.0000 6.500 1.1881 0.00788 0.00195 -0.1027 0.0991 1.0000 60.0159 160.0000 6.750 1.2133 0.00816 0.00207 -0.1023 0.0861 1.0000 61.0978 160.0000 7.000 1.2383 0.00845 0.00219 -0.1019 0.0741 1.0000 62.1677 160.0000 7.250 1.2632 0.00874 0.00232 -0.1014 0.0633 1.0000 63.2190 160.0000 7.500 1.2881 0.00901 0.00244 -0.1010 0.0551 1.0000 64.1073 160.0000 7.750 1.3128 0.00930 0.00257 -0.1006 0.0475 1.0000 65.0177 160.0000 8.000 1.3374 0.00958 0.00269 -0.1001 0.0417 1.0000 65.8184 160.0000 8.250 1.3624 0.00981 0.00280 -0.0997 0.0379 1.0000 66.3883 160.0000 8.500 1.3869 0.01007 0.00291 -0.0992 0.0337 1.0000 67.0690 160.0000 8.750 1.4112 0.01034 0.00303 -0.0987 0.0306 1.0000 67.6353 160.0000 9.000 1.4355 0.01059 0.00314 -0.0982 0.0277 1.0000 68.1987 160.0000 9.250 1.4591 0.01089 0.00327 -0.0976 0.0249 1.0000 68.7975 160.0000 9.500 1.4832 0.01113 0.00338 -0.0970 0.0233 1.0000 69.1663 160.0000 9.750 1.5064 0.01142 0.00351 -0.0963 0.0215 1.0000 69.6106 160.0000 10.000 1.5295 0.01169 0.00362 -0.0957 0.0198 1.0000 70.0517 160.0000 10.250 1.5524 0.01197 0.00374 -0.0950 0.0187 1.0000 70.3641 160.0000 10.500 1.5742 0.01230 0.00388 -0.0941 0.0169 1.0000 70.8911 160.0000 10.750 1.5966 0.01258 0.00400 -0.0933 0.0162 1.0000 71.1076 160.0000 11.000 1.6180 0.01288 0.00412 -0.0923 0.0154 1.0000 71.3639 160.0000 11.250 1.6380 0.01323 0.00426 -0.0911 0.0143 1.0000 71.7270 160.0000 11.500 1.6565 0.01355 0.00438 -0.0896 0.0135 1.0000 72.0225 160.0000 11.750 1.6744 0.01386 0.00450 -0.0880 0.0131 1.0000 72.1419 160.0000 12.000 1.6917 0.01422 0.00463 -0.0863 0.0126 1.0000 72.3401 160.0000 12.250 1.7078 0.01465 0.00480 -0.0845 0.0119 1.0000 72.6147 160.0000 12.500 1.7239 0.01510 0.00498 -0.0827 0.0109 1.0000 72.9823 160.0000 12.750 1.7407 0.01550 0.00514 -0.0811 0.0108 1.0000 73.0615 160.0000 13.000 1.7572 0.01595 0.00532 -0.0796 0.0105 1.0000 73.1742 160.0000 13.250 1.7726 0.01645 0.00552 -0.0779 0.0101 1.0000 73.3309 160.0000 13.500 1.7871 0.01702 0.00576 -0.0761 0.0097 1.0000 73.5213 160.0000 13.750 1.8011 0.01764 0.00603 -0.0743 0.0091 1.0000 73.7721 160.0000 14.000 1.8143 0.01831 0.00632 -0.0725 0.0086 1.0000 74.0017 160.0000 14.250 1.8289 0.01893 0.00659 -0.0710 0.0086 1.0000 74.0374 160.0000 14.500 1.8429 0.01960 0.00688 -0.0694 0.0084 1.0000 74.0962 160.0000 14.750 1.8556 0.02035 0.00722 -0.0678 0.0083 1.0000 74.1811 160.0000 15.000 1.8680 0.02117 0.00760 -0.0662 0.0081 1.0000 74.2903 160.0000 15.250 1.8794 0.02208 0.00803 -0.0646 0.0078 1.0000 74.4163 160.0000 15.500 1.8892 0.02310 0.00854 -0.0629 0.0075 1.0000 74.5632 160.0000 15.750 1.8983 0.02422 0.00910 -0.0612 0.0071 1.0000 74.7571 160.0000 16.000 1.9068 0.02544 0.00973 -0.0596 0.0068 1.0000 74.9519 160.0000 16.250 1.9160 0.02661 0.01032 -0.0582 0.0067 1.0000 75.0147 160.0000 16.500 1.9254 0.02782 0.01094 -0.0568 0.0066 1.0000 75.0430 160.0000 16.750 1.9340 0.02913 0.01163 -0.0556 0.0065 1.0000 75.0798 160.0000 17.000 1.9415 0.03057 0.01240 -0.0543 0.0065 1.0000 75.1273 160.0000 17.250 1.9478 0.03214 0.01325 -0.0531 0.0064 1.0000 75.1849 160.0000 17.500 1.9534 0.03384 0.01420 -0.0519 0.0062 1.0000 75.2519 160.0000 17.750 1.9582 0.03568 0.01524 -0.0509 0.0061 1.0000 75.3262 160.0000 18.000 1.9619 0.03767 0.01640 -0.0499 0.0060 1.0000 75.4060 160.0000 18.250 1.9643 0.03983 0.01767 -0.0490 0.0058 1.0000 75.4916 160.0000 18.500 1.9658 0.04216 0.01906 -0.0482 0.0057 1.0000 75.5888 160.0000 18.750 1.9664 0.04465 0.02058 -0.0475 0.0055 1.0000 75.7007 160.0000 19.000 1.9660 0.04730 0.02222 -0.0469 0.0053 1.0000 75.8135 160.0000 19.250 1.9643 0.05012 0.02399 -0.0464 0.0051 1.0000 75.9161 160.0000 19.500 1.9618 0.05312 0.02590 -0.0460 0.0050 1.0000 76.0006 160.0000 19.750 1.9609 0.05601 0.02773 -0.0458 0.0050 1.0000 76.0092 160.0000 20.000 1.9590 0.05904 0.02969 -0.0457 0.0050 1.0000 76.0197 160.0000