XFOIL Version 6.96 Calculated polar for: NACA 642-015A 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 -1.0709 0.13054 0.12805 0.0026 1.0000 0.0122 -19.500 -1.0943 0.12147 0.11884 -0.0027 1.0000 0.0122 -19.250 -1.1159 0.11320 0.11042 -0.0073 1.0000 0.0122 -19.000 -1.1360 0.10548 0.10255 -0.0114 1.0000 0.0122 -18.750 -1.1539 0.09841 0.09534 -0.0150 1.0000 0.0122 -18.500 -1.1702 0.09192 0.08871 -0.0181 1.0000 0.0123 -18.250 -1.1843 0.08600 0.08267 -0.0208 1.0000 0.0123 -18.000 -1.1958 0.08065 0.07720 -0.0231 1.0000 0.0124 -17.750 -1.2058 0.07571 0.07215 -0.0250 1.0000 0.0124 -17.500 -1.2135 0.07126 0.06760 -0.0266 1.0000 0.0125 -17.250 -1.2194 0.06715 0.06339 -0.0280 1.0000 0.0126 -17.000 -1.2237 0.06336 0.05950 -0.0292 1.0000 0.0127 -16.750 -1.2264 0.05990 0.05595 -0.0301 1.0000 0.0128 -16.500 -1.2280 0.05666 0.05263 -0.0309 1.0000 0.0129 -16.250 -1.2277 0.05373 0.04962 -0.0316 1.0000 0.0130 -16.000 -1.2270 0.05095 0.04674 -0.0320 1.0000 0.0131 -15.750 -1.2251 0.04839 0.04410 -0.0323 1.0000 0.0133 -15.500 -1.2228 0.04595 0.04157 -0.0324 1.0000 0.0134 -15.250 -1.2199 0.04362 0.03915 -0.0324 1.0000 0.0136 -15.000 -1.2165 0.04141 0.03685 -0.0322 1.0000 0.0137 -14.750 -1.2120 0.03934 0.03469 -0.0319 1.0000 0.0139 -14.500 -1.2063 0.03741 0.03268 -0.0315 1.0000 0.0140 -14.250 -1.1998 0.03560 0.03078 -0.0310 1.0000 0.0142 -14.000 -1.1923 0.03392 0.02901 -0.0305 1.0000 0.0143 -13.750 -1.1836 0.03235 0.02735 -0.0299 1.0000 0.0145 -13.500 -1.1740 0.03090 0.02583 -0.0293 1.0000 0.0146 -13.250 -1.1630 0.02960 0.02445 -0.0286 1.0000 0.0147 -13.000 -1.1510 0.02840 0.02318 -0.0280 1.0000 0.0148 -12.750 -1.1473 0.02651 0.02119 -0.0265 1.0000 0.0151 -12.500 -1.1417 0.02485 0.01946 -0.0251 1.0000 0.0154 -12.250 -1.1321 0.02357 0.01813 -0.0239 1.0000 0.0156 -12.000 -1.1200 0.02253 0.01705 -0.0229 1.0000 0.0159 -11.750 -1.1063 0.02165 0.01613 -0.0218 1.0000 0.0162 -11.500 -1.0916 0.02086 0.01531 -0.0207 1.0000 0.0165 -11.250 -1.0769 0.02011 0.01451 -0.0195 1.0000 0.0169 -11.000 -1.0623 0.01938 0.01374 -0.0182 1.0000 0.0172 -10.750 -1.0476 0.01869 0.01300 -0.0167 1.0000 0.0175 -10.500 -1.0327 0.01808 0.01234 -0.0152 1.0000 0.0178 -10.250 -1.0176 0.01754 0.01176 -0.0135 1.0000 0.0181 -10.000 -1.0037 0.01703 0.01121 -0.0115 1.0000 0.0183 -9.750 -0.9965 0.01619 0.01032 -0.0083 1.0000 0.0189 -9.500 -0.9846 0.01566 0.00978 -0.0058 1.0000 0.0195 -9.250 -0.9719 0.01527 0.00937 -0.0033 0.9998 0.0200 -9.000 -0.9389 0.01475 0.00883 -0.0051 0.9958 0.0208 -8.750 -0.9063 0.01427 0.00832 -0.0067 0.9906 0.0217 -8.500 -0.8740 0.01376 0.00778 -0.0082 0.9835 0.0226 -8.250 -0.8449 0.01318 0.00720 -0.0091 0.9721 0.0243 -8.000 -0.8167 0.01281 0.00680 -0.0096 0.9576 0.0258 -7.750 -0.7924 0.01248 0.00641 -0.0091 0.9393 0.0272 -7.500 -0.7713 0.01208 0.00597 -0.0080 0.9193 0.0299 -7.250 -0.7482 0.01184 0.00566 -0.0072 0.9011 0.0321 -7.000 -0.7259 0.01149 0.00528 -0.0063 0.8840 0.0364 -6.750 -0.7023 0.01121 0.00496 -0.0057 0.8687 0.0413 -6.500 -0.6783 0.01095 0.00467 -0.0051 0.8550 0.0478 -6.250 -0.6543 0.01065 0.00438 -0.0046 0.8424 0.0574 -6.000 -0.6301 0.01034 0.00410 -0.0041 0.8308 0.0702 -5.750 -0.6059 0.01003 0.00382 -0.0037 0.8201 0.0871 -5.500 -0.5824 0.00966 0.00353 -0.0031 0.8097 0.1139 -5.250 -0.5595 0.00918 0.00323 -0.0025 0.8004 0.1557 -5.000 -0.5379 0.00862 0.00289 -0.0017 0.7915 0.2154 -4.750 -0.5170 0.00793 0.00254 -0.0008 0.7829 0.2936 -4.500 -0.4978 0.00717 0.00217 0.0004 0.7746 0.3934 -4.250 -0.4742 0.00677 0.00201 0.0010 0.7664 0.4594 -4.000 -0.4481 0.00663 0.00191 0.0013 0.7586 0.4893 -3.750 -0.4208 0.00651 0.00183 0.0013 0.7512 0.5082 -3.500 -0.3934 0.00645 0.00175 0.0013 0.7438 0.5230 -3.250 -0.3656 0.00639 0.00169 0.0013 0.7369 0.5368 -3.000 -0.3378 0.00635 0.00163 0.0012 0.7296 0.5494 -2.750 -0.3100 0.00630 0.00158 0.0012 0.7227 0.5588 -2.500 -0.2821 0.00626 0.00154 0.0011 0.7152 0.5706 -2.250 -0.2545 0.00624 0.00151 0.0011 0.7083 0.5838 -2.000 -0.2262 0.00621 0.00148 0.0010 0.7012 0.5941 -1.750 -0.1985 0.00618 0.00145 0.0010 0.6945 0.6033 -1.500 -0.1699 0.00618 0.00143 0.0008 0.6880 0.6121 -1.250 -0.1420 0.00614 0.00140 0.0008 0.6813 0.6202 -1.000 -0.1136 0.00615 0.00138 0.0006 0.6749 0.6264 -0.750 -0.0851 0.00612 0.00136 0.0005 0.6681 0.6319 -0.500 -0.0570 0.00613 0.00135 0.0004 0.6617 0.6378 -0.250 -0.0282 0.00613 0.00134 0.0001 0.6557 0.6437 0.000 0.0000 0.00611 0.00134 0.0000 0.6496 0.6496 0.250 0.0282 0.00613 0.00134 -0.0001 0.6437 0.6557 0.500 0.0570 0.00613 0.00135 -0.0004 0.6378 0.6616 0.750 0.0851 0.00612 0.00136 -0.0005 0.6319 0.6681 1.000 0.1136 0.00615 0.00138 -0.0006 0.6264 0.6749 1.250 0.1420 0.00614 0.00140 -0.0008 0.6202 0.6812 1.500 0.1699 0.00618 0.00143 -0.0008 0.6121 0.6880 1.750 0.1985 0.00618 0.00145 -0.0010 0.6034 0.6945 2.000 0.2262 0.00621 0.00148 -0.0010 0.5941 0.7012 2.250 0.2545 0.00624 0.00150 -0.0011 0.5838 0.7083 2.500 0.2821 0.00626 0.00154 -0.0011 0.5706 0.7152 2.750 0.3100 0.00630 0.00158 -0.0012 0.5589 0.7227 3.000 0.3378 0.00635 0.00163 -0.0012 0.5494 0.7295 3.250 0.3657 0.00639 0.00169 -0.0013 0.5369 0.7368 3.500 0.3934 0.00645 0.00175 -0.0013 0.5228 0.7438 3.750 0.4208 0.00651 0.00183 -0.0013 0.5082 0.7512 4.000 0.4481 0.00663 0.00191 -0.0013 0.4891 0.7586 4.250 0.4743 0.00677 0.00201 -0.0010 0.4596 0.7664 4.500 0.4978 0.00718 0.00217 -0.0004 0.3931 0.7746 4.750 0.5170 0.00793 0.00254 0.0008 0.2934 0.7829 5.000 0.5380 0.00862 0.00289 0.0017 0.2154 0.7915 5.250 0.5596 0.00918 0.00323 0.0025 0.1558 0.8004 5.500 0.5825 0.00966 0.00353 0.0031 0.1139 0.8097 5.750 0.6060 0.01003 0.00382 0.0036 0.0871 0.8201 6.000 0.6302 0.01034 0.00410 0.0041 0.0702 0.8307 6.250 0.6544 0.01066 0.00438 0.0046 0.0573 0.8424 6.500 0.6784 0.01095 0.00467 0.0051 0.0478 0.8550 6.750 0.7024 0.01121 0.00496 0.0057 0.0413 0.8686 7.000 0.7260 0.01149 0.00528 0.0063 0.0364 0.8839 7.250 0.7484 0.01184 0.00566 0.0071 0.0321 0.9010 7.500 0.7715 0.01208 0.00597 0.0079 0.0299 0.9192 7.750 0.7926 0.01248 0.00641 0.0090 0.0272 0.9392 8.000 0.8169 0.01281 0.00680 0.0095 0.0258 0.9576 8.250 0.8451 0.01318 0.00720 0.0091 0.0243 0.9721 8.500 0.8741 0.01376 0.00778 0.0082 0.0226 0.9835 8.750 0.9064 0.01427 0.00832 0.0067 0.0217 0.9906 9.000 0.9389 0.01475 0.00883 0.0051 0.0208 0.9958 9.250 0.9720 0.01527 0.00937 0.0033 0.0200 0.9998 9.500 0.9847 0.01566 0.00978 0.0058 0.0195 1.0000 9.750 0.9966 0.01619 0.01032 0.0083 0.0189 1.0000 10.000 1.0039 0.01703 0.01121 0.0114 0.0183 1.0000 10.250 1.0179 0.01754 0.01176 0.0134 0.0181 1.0000 10.500 1.0330 0.01808 0.01234 0.0151 0.0178 1.0000 10.750 1.0480 0.01869 0.01300 0.0167 0.0175 1.0000 11.000 1.0627 0.01938 0.01374 0.0181 0.0172 1.0000 11.250 1.0774 0.02010 0.01451 0.0194 0.0169 1.0000 11.500 1.0922 0.02086 0.01530 0.0206 0.0165 1.0000 11.750 1.1070 0.02164 0.01612 0.0217 0.0162 1.0000 12.000 1.1208 0.02252 0.01704 0.0227 0.0159 1.0000 12.250 1.1329 0.02357 0.01813 0.0238 0.0156 1.0000 12.500 1.1426 0.02484 0.01945 0.0250 0.0154 1.0000 12.750 1.1480 0.02652 0.02121 0.0264 0.0151 1.0000 13.000 1.1522 0.02838 0.02315 0.0278 0.0148 1.0000 13.250 1.1642 0.02958 0.02443 0.0284 0.0147 1.0000 13.500 1.1752 0.03089 0.02582 0.0291 0.0146 1.0000 13.750 1.1851 0.03233 0.02733 0.0297 0.0145 1.0000 14.000 1.1938 0.03389 0.02898 0.0302 0.0143 1.0000 14.250 1.2015 0.03557 0.03075 0.0308 0.0142 1.0000 14.500 1.2081 0.03738 0.03265 0.0312 0.0140 1.0000 14.750 1.2138 0.03932 0.03466 0.0316 0.0139 1.0000 15.000 1.2183 0.04139 0.03683 0.0319 0.0137 1.0000 15.250 1.2218 0.04360 0.03913 0.0321 0.0136 1.0000 15.500 1.2249 0.04591 0.04154 0.0321 0.0134 1.0000 15.750 1.2275 0.04833 0.04404 0.0320 0.0133 1.0000 16.000 1.2292 0.05091 0.04671 0.0317 0.0131 1.0000 16.250 1.2302 0.05366 0.04955 0.0312 0.0130 1.0000 16.500 1.2305 0.05661 0.05258 0.0306 0.0129 1.0000 16.750 1.2292 0.05982 0.05587 0.0298 0.0128 1.0000 17.000 1.2264 0.06329 0.05943 0.0288 0.0127 1.0000 17.250 1.2219 0.06711 0.06334 0.0276 0.0126 1.0000 17.500 1.2163 0.07120 0.06753 0.0262 0.0125 1.0000 17.750 1.2083 0.07569 0.07213 0.0246 0.0124 1.0000 18.000 1.1985 0.08062 0.07717 0.0226 0.0124 1.0000 18.250 1.1868 0.08599 0.08266 0.0203 0.0123 1.0000 18.500 1.1724 0.09198 0.08878 0.0176 0.0122 1.0000 18.750 1.1561 0.09850 0.09543 0.0145 0.0122 1.0000 19.000 1.1377 0.10566 0.10273 0.0108 0.0122 1.0000 19.250 1.1178 0.11338 0.11060 0.0067 0.0122 1.0000