XFOIL Version 6.96 Calculated polar for: NACA 642-015 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 ------ -------- --------- --------- -------- -------- -------- -19.750 -1.1097 0.12373 0.12115 0.0057 1.0000 0.0126 -19.500 -1.1297 0.11521 0.11247 0.0005 1.0000 0.0126 -19.250 -1.1472 0.10745 0.10457 -0.0042 1.0000 0.0126 -19.000 -1.1584 0.10108 0.09809 -0.0079 1.0000 0.0127 -18.750 -1.1722 0.09453 0.09140 -0.0116 1.0000 0.0127 -18.500 -1.1804 0.08913 0.08590 -0.0145 1.0000 0.0128 -18.250 -1.1874 0.08409 0.08076 -0.0171 1.0000 0.0129 -18.000 -1.1945 0.07922 0.07578 -0.0195 1.0000 0.0129 -17.750 -1.2014 0.07456 0.07101 -0.0216 1.0000 0.0130 -17.500 -1.2042 0.07062 0.06698 -0.0234 1.0000 0.0131 -17.250 -1.2073 0.06676 0.06302 -0.0249 1.0000 0.0132 -17.000 -1.2072 0.06345 0.05964 -0.0263 1.0000 0.0134 -16.750 -1.2092 0.05999 0.05607 -0.0274 1.0000 0.0135 -16.500 -1.2080 0.05701 0.05301 -0.0283 1.0000 0.0136 -16.250 -1.2066 0.05415 0.05005 -0.0291 1.0000 0.0138 -16.000 -1.2055 0.05137 0.04718 -0.0296 1.0000 0.0139 -15.750 -1.2037 0.04874 0.04445 -0.0300 1.0000 0.0141 -15.500 -1.1999 0.04640 0.04203 -0.0303 1.0000 0.0143 -15.250 -1.1965 0.04411 0.03965 -0.0304 1.0000 0.0143 -15.000 -1.1916 0.04205 0.03749 -0.0303 1.0000 0.0145 -14.750 -1.1859 0.04010 0.03547 -0.0302 1.0000 0.0146 -14.500 -1.1794 0.03827 0.03355 -0.0300 1.0000 0.0147 -14.250 -1.1707 0.03670 0.03190 -0.0298 1.0000 0.0149 -14.000 -1.1635 0.03501 0.03013 -0.0293 1.0000 0.0149 -13.750 -1.1642 0.03263 0.02766 -0.0283 1.0000 0.0152 -13.500 -1.1617 0.03064 0.02560 -0.0274 1.0000 0.0155 -13.250 -1.1534 0.02919 0.02411 -0.0267 1.0000 0.0157 -13.000 -1.1439 0.02787 0.02274 -0.0260 1.0000 0.0159 -12.750 -1.1337 0.02663 0.02146 -0.0252 1.0000 0.0162 -12.500 -1.1231 0.02547 0.02026 -0.0243 1.0000 0.0165 -12.250 -1.1114 0.02441 0.01915 -0.0235 1.0000 0.0167 -12.000 -1.0981 0.02350 0.01820 -0.0226 1.0000 0.0171 -11.750 -1.0855 0.02256 0.01722 -0.0217 1.0000 0.0174 -11.500 -1.0727 0.02166 0.01627 -0.0206 1.0000 0.0177 -11.250 -1.0598 0.02079 0.01536 -0.0195 1.0000 0.0180 -11.000 -1.0456 0.02005 0.01457 -0.0184 1.0000 0.0182 -10.750 -1.0363 0.01905 0.01351 -0.0166 1.0000 0.0185 -10.500 -1.0302 0.01797 0.01239 -0.0144 1.0000 0.0191 -10.250 -1.0194 0.01725 0.01165 -0.0125 0.9897 0.0195 -10.000 -0.9892 0.01662 0.01095 -0.0141 0.9422 0.0201 -9.500 -0.9648 0.01590 0.01003 -0.0092 0.8948 0.0212 -9.250 -0.9477 0.01551 0.00955 -0.0076 0.8800 0.0217 -9.000 -0.9277 0.01520 0.00916 -0.0065 0.8674 0.0222 -8.750 -0.9125 0.01451 0.00840 -0.0048 0.8556 0.0234 -8.500 -0.8920 0.01413 0.00797 -0.0038 0.8454 0.0245 -8.250 -0.8700 0.01379 0.00759 -0.0031 0.8354 0.0256 -8.000 -0.8470 0.01349 0.00723 -0.0025 0.8266 0.0266 -7.750 -0.8259 0.01302 0.00670 -0.0015 0.8177 0.0283 -7.500 -0.8027 0.01266 0.00632 -0.0010 0.8095 0.0300 -7.250 -0.7786 0.01239 0.00600 -0.0005 0.8011 0.0317 -7.000 -0.7547 0.01203 0.00560 -0.0001 0.7931 0.0340 -6.750 -0.7305 0.01172 0.00527 0.0004 0.7848 0.0369 -6.500 -0.7054 0.01144 0.00496 0.0007 0.7771 0.0401 -6.250 -0.6806 0.01112 0.00465 0.0010 0.7692 0.0454 -6.000 -0.6557 0.01079 0.00433 0.0013 0.7620 0.0542 -5.750 -0.6312 0.01039 0.00401 0.0017 0.7544 0.0718 -5.500 -0.6071 0.00996 0.00369 0.0020 0.7473 0.0993 -5.250 -0.5834 0.00942 0.00334 0.0024 0.7399 0.1421 -5.000 -0.5604 0.00882 0.00298 0.0028 0.7328 0.2012 -4.750 -0.5385 0.00800 0.00255 0.0033 0.7259 0.2894 -4.500 -0.5170 0.00714 0.00213 0.0039 0.7188 0.3971 -4.250 -0.4908 0.00682 0.00199 0.0040 0.7121 0.4553 -4.000 -0.4629 0.00668 0.00189 0.0039 0.7049 0.4775 -3.750 -0.4346 0.00661 0.00181 0.0037 0.6982 0.4930 -3.500 -0.4058 0.00655 0.00174 0.0035 0.6914 0.5058 -3.250 -0.3772 0.00650 0.00167 0.0033 0.6849 0.5157 -3.000 -0.3484 0.00645 0.00162 0.0031 0.6788 0.5267 -2.750 -0.3196 0.00641 0.00158 0.0029 0.6723 0.5393 -2.500 -0.2909 0.00641 0.00154 0.0027 0.6662 0.5506 -2.250 -0.2620 0.00635 0.00152 0.0025 0.6604 0.5616 -2.000 -0.2330 0.00635 0.00149 0.0022 0.6544 0.5709 -1.750 -0.2042 0.00634 0.00147 0.0020 0.6488 0.5781 -1.500 -0.1748 0.00633 0.00144 0.0017 0.6432 0.5828 -1.250 -0.1458 0.00631 0.00140 0.0014 0.6375 0.5877 -1.000 -0.1168 0.00630 0.00139 0.0012 0.6321 0.5931 -0.750 -0.0874 0.00629 0.00137 0.0009 0.6267 0.5982 -0.500 -0.0583 0.00629 0.00135 0.0006 0.6215 0.6027 -0.250 -0.0294 0.00629 0.00135 0.0003 0.6166 0.6073 0.000 0.0000 0.00627 0.00135 0.0000 0.6120 0.6121 0.250 0.0294 0.00629 0.00135 -0.0003 0.6073 0.6166 0.500 0.0583 0.00629 0.00135 -0.0006 0.6027 0.6215 0.750 0.0875 0.00629 0.00137 -0.0009 0.5982 0.6267 1.000 0.1169 0.00630 0.00139 -0.0012 0.5931 0.6321 1.250 0.1458 0.00631 0.00140 -0.0014 0.5877 0.6375 1.500 0.1748 0.00633 0.00144 -0.0017 0.5828 0.6432 1.750 0.2042 0.00634 0.00147 -0.0020 0.5781 0.6488 2.000 0.2330 0.00635 0.00149 -0.0022 0.5709 0.6544 2.250 0.2621 0.00635 0.00152 -0.0025 0.5615 0.6604 2.500 0.2909 0.00641 0.00154 -0.0027 0.5507 0.6662 2.750 0.3196 0.00641 0.00158 -0.0029 0.5393 0.6723 3.000 0.3485 0.00645 0.00162 -0.0031 0.5267 0.6788 3.250 0.3772 0.00650 0.00167 -0.0033 0.5157 0.6849 3.500 0.4058 0.00655 0.00174 -0.0035 0.5059 0.6914 3.750 0.4346 0.00661 0.00181 -0.0037 0.4931 0.6982 4.000 0.4629 0.00668 0.00189 -0.0039 0.4775 0.7049 4.250 0.4908 0.00682 0.00199 -0.0040 0.4551 0.7121 4.500 0.5170 0.00714 0.00213 -0.0039 0.3961 0.7188 4.750 0.5385 0.00800 0.00255 -0.0033 0.2898 0.7259 5.000 0.5604 0.00882 0.00298 -0.0028 0.2012 0.7328 5.250 0.5834 0.00942 0.00334 -0.0024 0.1426 0.7399 5.500 0.6071 0.00996 0.00369 -0.0020 0.0990 0.7473 5.750 0.6313 0.01039 0.00401 -0.0017 0.0720 0.7544 6.000 0.6557 0.01079 0.00434 -0.0013 0.0543 0.7620 6.250 0.6806 0.01112 0.00465 -0.0010 0.0454 0.7692 6.500 0.7054 0.01143 0.00496 -0.0007 0.0403 0.7771 6.750 0.7306 0.01172 0.00527 -0.0004 0.0369 0.7848 7.000 0.7548 0.01203 0.00560 0.0000 0.0339 0.7931 7.250 0.7786 0.01239 0.00599 0.0005 0.0316 0.8012 7.500 0.8028 0.01266 0.00632 0.0010 0.0300 0.8095 7.750 0.8259 0.01303 0.00671 0.0016 0.0282 0.8177 8.000 0.8471 0.01349 0.00722 0.0024 0.0265 0.8266 8.250 0.8700 0.01380 0.00759 0.0031 0.0256 0.8354 8.500 0.8920 0.01413 0.00797 0.0038 0.0245 0.8452 8.750 0.9127 0.01451 0.00839 0.0048 0.0234 0.8555 9.000 0.9278 0.01519 0.00915 0.0065 0.0222 0.8674 9.250 0.9476 0.01552 0.00956 0.0076 0.0218 0.8801 9.500 0.9652 0.01588 0.01001 0.0091 0.0211 0.8947 10.000 0.9896 0.01661 0.01093 0.0141 0.0200 0.9422 10.250 1.0196 0.01724 0.01165 0.0125 0.0194 0.9899 10.500 1.0299 0.01799 0.01241 0.0145 0.0190 1.0000 10.750 1.0365 0.01905 0.01351 0.0166 0.0185 1.0000 11.000 1.0467 0.02000 0.01451 0.0182 0.0182 1.0000 11.250 1.0617 0.02069 0.01525 0.0193 0.0179 1.0000 11.500 1.0736 0.02161 0.01622 0.0205 0.0177 1.0000 11.750 1.0862 0.02252 0.01718 0.0216 0.0174 1.0000 12.000 1.0994 0.02342 0.01812 0.0225 0.0170 1.0000 12.250 1.1095 0.02457 0.01933 0.0236 0.0169 1.0000 12.500 1.1232 0.02548 0.02026 0.0243 0.0164 1.0000 12.750 1.1349 0.02656 0.02139 0.0251 0.0161 1.0000 13.000 1.1453 0.02778 0.02265 0.0259 0.0159 1.0000 13.250 1.1540 0.02916 0.02407 0.0266 0.0157 1.0000 13.500 1.1608 0.03074 0.02570 0.0274 0.0154 1.0000 13.750 1.1638 0.03271 0.02773 0.0283 0.0151 1.0000 14.000 1.1642 0.03498 0.03010 0.0293 0.0149 1.0000 14.250 1.1737 0.03645 0.03165 0.0296 0.0148 1.0000 14.500 1.1801 0.03825 0.03354 0.0299 0.0147 1.0000 14.750 1.1860 0.04013 0.03550 0.0302 0.0146 1.0000 15.000 1.1923 0.04201 0.03746 0.0303 0.0145 1.0000 15.250 1.1977 0.04402 0.03956 0.0303 0.0143 1.0000 15.500 1.2017 0.04626 0.04188 0.0302 0.0141 1.0000 15.750 1.2039 0.04876 0.04447 0.0300 0.0141 1.0000 16.000 1.2058 0.05138 0.04720 0.0296 0.0139 1.0000 16.250 1.2074 0.05410 0.05001 0.0290 0.0137 1.0000 16.500 1.2085 0.05699 0.05299 0.0283 0.0136 1.0000 16.750 1.2103 0.05989 0.05597 0.0273 0.0134 1.0000 17.000 1.2054 0.06371 0.05991 0.0262 0.0134 1.0000 17.250 1.2057 0.06699 0.06328 0.0249 0.0133 1.0000 17.500 1.2025 0.07087 0.06725 0.0233 0.0131 1.0000 17.750 1.1994 0.07487 0.07134 0.0215 0.0130 1.0000 18.000 1.1920 0.07962 0.07620 0.0193 0.0130 1.0000 18.250 1.1867 0.08422 0.08090 0.0170 0.0128 1.0000 18.500 1.1807 0.08911 0.08588 0.0144 0.0128 1.0000 18.750 1.1698 0.09498 0.09188 0.0113 0.0127 1.0000 19.000 1.1616 0.10057 0.09755 0.0081 0.0126 1.0000 19.250 1.1442 0.10806 0.10521 0.0038 0.0126 1.0000