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 = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.750 -1.2143 0.10582 0.10262 -0.0084 1.0000 0.0096 -19.500 -1.2321 0.09891 0.09559 -0.0118 1.0000 0.0096 -19.250 -1.2481 0.09254 0.08910 -0.0148 1.0000 0.0096 -19.000 -1.2617 0.08667 0.08311 -0.0174 1.0000 0.0097 -18.750 -1.2733 0.08130 0.07763 -0.0197 1.0000 0.0097 -18.500 -1.2830 0.07637 0.07259 -0.0217 1.0000 0.0098 -18.250 -1.2908 0.07186 0.06798 -0.0234 1.0000 0.0098 -18.000 -1.2972 0.06764 0.06366 -0.0248 1.0000 0.0099 -17.750 -1.3021 0.06373 0.05965 -0.0261 1.0000 0.0100 -17.500 -1.3056 0.06013 0.05596 -0.0271 1.0000 0.0100 -17.250 -1.3076 0.05681 0.05255 -0.0279 1.0000 0.0101 -17.000 -1.3084 0.05371 0.04936 -0.0286 1.0000 0.0101 -16.750 -1.3082 0.05082 0.04638 -0.0290 1.0000 0.0102 -16.500 -1.3073 0.04812 0.04359 -0.0294 1.0000 0.0103 -16.250 -1.3053 0.04559 0.04098 -0.0295 1.0000 0.0104 -16.000 -1.3026 0.04322 0.03853 -0.0296 1.0000 0.0105 -15.750 -1.2989 0.04101 0.03623 -0.0295 1.0000 0.0105 -15.500 -1.2942 0.03895 0.03409 -0.0293 1.0000 0.0106 -15.250 -1.2886 0.03700 0.03206 -0.0291 1.0000 0.0107 -15.000 -1.2821 0.03517 0.03016 -0.0287 1.0000 0.0108 -14.750 -1.2750 0.03345 0.02836 -0.0283 1.0000 0.0109 -14.500 -1.2663 0.03189 0.02673 -0.0279 1.0000 0.0110 -14.250 -1.2569 0.03042 0.02520 -0.0274 1.0000 0.0112 -14.000 -1.2465 0.02906 0.02377 -0.0268 1.0000 0.0113 -13.750 -1.2356 0.02777 0.02241 -0.0262 1.0000 0.0114 -13.500 -1.2243 0.02655 0.02112 -0.0255 1.0000 0.0115 -13.250 -1.2125 0.02539 0.01990 -0.0247 1.0000 0.0116 -13.000 -1.2000 0.02432 0.01877 -0.0239 1.0000 0.0117 -12.750 -1.1868 0.02333 0.01772 -0.0230 1.0000 0.0117 -12.500 -1.1758 0.02221 0.01654 -0.0219 1.0000 0.0119 -12.250 -1.1640 0.02120 0.01547 -0.0207 1.0000 0.0121 -12.000 -1.1507 0.02032 0.01454 -0.0195 1.0000 0.0123 -11.750 -1.1364 0.01955 0.01374 -0.0182 1.0000 0.0125 -11.500 -1.1214 0.01886 0.01301 -0.0170 1.0000 0.0128 -11.250 -1.1058 0.01824 0.01236 -0.0157 1.0000 0.0130 -11.000 -1.0901 0.01767 0.01176 -0.0143 1.0000 0.0132 -10.750 -1.0743 0.01715 0.01120 -0.0127 1.0000 0.0135 -10.500 -1.0589 0.01668 0.01070 -0.0110 1.0000 0.0137 -10.250 -1.0425 0.01624 0.01023 -0.0094 0.9988 0.0140 -10.000 -1.0138 0.01575 0.00971 -0.0104 0.9844 0.0144 -9.750 -0.9850 0.01530 0.00921 -0.0112 0.9667 0.0147 -9.500 -0.9607 0.01482 0.00868 -0.0111 0.9435 0.0152 -9.250 -0.9406 0.01444 0.00822 -0.0100 0.9174 0.0158 -9.000 -0.9201 0.01411 0.00781 -0.0088 0.8949 0.0163 -8.750 -0.8984 0.01381 0.00743 -0.0080 0.8751 0.0170 -8.500 -0.8758 0.01352 0.00707 -0.0073 0.8578 0.0177 -8.250 -0.8526 0.01326 0.00672 -0.0067 0.8428 0.0183 -8.000 -0.8295 0.01295 0.00636 -0.0060 0.8292 0.0196 -7.750 -0.8057 0.01267 0.00604 -0.0056 0.8168 0.0209 -7.500 -0.7811 0.01243 0.00574 -0.0052 0.8060 0.0222 -7.250 -0.7568 0.01216 0.00544 -0.0048 0.7957 0.0241 -7.000 -0.7320 0.01191 0.00516 -0.0045 0.7860 0.0263 -6.750 -0.7069 0.01168 0.00489 -0.0042 0.7777 0.0286 -6.500 -0.6818 0.01143 0.00463 -0.0039 0.7688 0.0319 -6.250 -0.6566 0.01120 0.00438 -0.0036 0.7609 0.0360 -6.000 -0.6310 0.01097 0.00415 -0.0034 0.7526 0.0412 -5.750 -0.6056 0.01073 0.00392 -0.0031 0.7456 0.0481 -5.500 -0.5800 0.01049 0.00370 -0.0029 0.7383 0.0560 -5.250 -0.5544 0.01026 0.00349 -0.0027 0.7311 0.0655 -5.000 -0.5287 0.01001 0.00328 -0.0025 0.7237 0.0787 -4.750 -0.5038 0.00972 0.00305 -0.0022 0.7162 0.0997 -4.500 -0.4794 0.00933 0.00280 -0.0018 0.7095 0.1352 -4.250 -0.4555 0.00892 0.00255 -0.0013 0.7025 0.1783 -4.000 -0.4318 0.00848 0.00231 -0.0008 0.6963 0.2302 -3.750 -0.4079 0.00804 0.00207 -0.0004 0.6896 0.2833 -3.500 -0.3850 0.00756 0.00182 0.0003 0.6830 0.3494 -3.250 -0.3623 0.00704 0.00161 0.0009 0.6763 0.4299 -3.000 -0.3364 0.00683 0.00151 0.0012 0.6693 0.4678 -2.750 -0.3088 0.00674 0.00145 0.0012 0.6631 0.4844 -2.500 -0.2814 0.00664 0.00139 0.0012 0.6568 0.5063 -2.000 -0.2265 0.00648 0.00130 0.0012 0.6453 0.5424 -1.500 -0.1707 0.00641 0.00124 0.0010 0.6334 0.5665 -1.250 -0.1424 0.00637 0.00122 0.0009 0.6274 0.5751 -1.000 -0.1141 0.00636 0.00120 0.0007 0.6213 0.5811 -0.750 -0.0854 0.00637 0.00118 0.0005 0.6163 0.5858 -0.500 -0.0569 0.00635 0.00116 0.0004 0.6111 0.5904 -0.250 -0.0286 0.00634 0.00116 0.0002 0.6058 0.5957 0.000 0.0000 0.00635 0.00115 0.0000 0.6010 0.6010 0.250 0.0286 0.00634 0.00116 -0.0002 0.5957 0.6058 0.500 0.0570 0.00635 0.00116 -0.0004 0.5904 0.6111 0.750 0.0855 0.00637 0.00118 -0.0005 0.5859 0.6163 1.000 0.1141 0.00636 0.00120 -0.0008 0.5811 0.6213 1.250 0.1424 0.00637 0.00122 -0.0009 0.5751 0.6274 1.500 0.1707 0.00641 0.00124 -0.0010 0.5664 0.6334 2.000 0.2265 0.00648 0.00130 -0.0012 0.5424 0.6453 2.500 0.2815 0.00664 0.00139 -0.0012 0.5064 0.6568 2.750 0.3089 0.00674 0.00145 -0.0012 0.4842 0.6632 3.000 0.3364 0.00683 0.00151 -0.0012 0.4678 0.6693 3.250 0.3624 0.00703 0.00161 -0.0010 0.4305 0.6763 3.500 0.3850 0.00756 0.00182 -0.0003 0.3490 0.6830 3.750 0.4080 0.00804 0.00207 0.0004 0.2833 0.6896 4.000 0.4319 0.00848 0.00231 0.0008 0.2299 0.6963 4.250 0.4556 0.00892 0.00255 0.0013 0.1784 0.7025 4.500 0.4795 0.00933 0.00280 0.0018 0.1352 0.7095 4.750 0.5039 0.00972 0.00305 0.0021 0.0998 0.7162 5.000 0.5288 0.01001 0.00328 0.0025 0.0787 0.7237 5.250 0.5545 0.01027 0.00349 0.0027 0.0655 0.7311 5.500 0.5801 0.01049 0.00370 0.0029 0.0560 0.7383 5.750 0.6058 0.01073 0.00392 0.0031 0.0481 0.7457 6.000 0.6312 0.01097 0.00415 0.0033 0.0412 0.7526 6.250 0.6567 0.01120 0.00439 0.0036 0.0359 0.7609 6.500 0.6820 0.01143 0.00464 0.0038 0.0319 0.7689 6.750 0.7071 0.01168 0.00489 0.0041 0.0286 0.7777 7.000 0.7323 0.01191 0.00516 0.0044 0.0263 0.7861 7.250 0.7571 0.01216 0.00544 0.0047 0.0241 0.7958 7.500 0.7814 0.01243 0.00574 0.0051 0.0222 0.8060 7.750 0.8060 0.01267 0.00604 0.0055 0.0209 0.8167 8.000 0.8298 0.01295 0.00636 0.0060 0.0195 0.8291 8.250 0.8528 0.01326 0.00672 0.0066 0.0183 0.8426 8.500 0.8762 0.01353 0.00707 0.0072 0.0177 0.8577 8.750 0.8987 0.01381 0.00743 0.0079 0.0170 0.8749 9.000 0.9205 0.01411 0.00781 0.0088 0.0163 0.8947 9.250 0.9411 0.01444 0.00822 0.0099 0.0158 0.9172 9.500 0.9612 0.01482 0.00868 0.0110 0.0152 0.9434 9.750 0.9855 0.01530 0.00921 0.0112 0.0147 0.9666 10.000 1.0142 0.01575 0.00971 0.0103 0.0144 0.9843 10.250 1.0429 0.01624 0.01023 0.0093 0.0140 0.9987 10.500 1.0595 0.01667 0.01070 0.0109 0.0137 1.0000 10.750 1.0750 0.01715 0.01120 0.0126 0.0135 1.0000 11.000 1.0908 0.01767 0.01176 0.0141 0.0132 1.0000 11.250 1.1066 0.01824 0.01236 0.0155 0.0130 1.0000 11.500 1.1221 0.01886 0.01301 0.0168 0.0127 1.0000 11.750 1.1373 0.01955 0.01373 0.0181 0.0125 1.0000 12.000 1.1516 0.02032 0.01454 0.0193 0.0123 1.0000 12.250 1.1649 0.02119 0.01546 0.0205 0.0121 1.0000 12.500 1.1767 0.02221 0.01654 0.0217 0.0119 1.0000 12.750 1.1880 0.02332 0.01770 0.0228 0.0117 1.0000 13.000 1.2011 0.02431 0.01876 0.0237 0.0117 1.0000 13.250 1.2138 0.02538 0.01989 0.0245 0.0116 1.0000 13.500 1.2257 0.02653 0.02110 0.0252 0.0115 1.0000 13.750 1.2371 0.02775 0.02239 0.0259 0.0114 1.0000 14.000 1.2482 0.02903 0.02374 0.0265 0.0113 1.0000 14.250 1.2586 0.03039 0.02517 0.0271 0.0112 1.0000 14.500 1.2681 0.03185 0.02670 0.0276 0.0110 1.0000 14.750 1.2767 0.03343 0.02834 0.0280 0.0109 1.0000 15.000 1.2841 0.03514 0.03012 0.0284 0.0108 1.0000 15.250 1.2906 0.03696 0.03202 0.0288 0.0107 1.0000 15.500 1.2964 0.03890 0.03404 0.0290 0.0106 1.0000 15.750 1.3011 0.04097 0.03619 0.0292 0.0105 1.0000 16.000 1.3048 0.04318 0.03848 0.0293 0.0104 1.0000 16.250 1.3076 0.04554 0.04093 0.0292 0.0104 1.0000 16.500 1.3099 0.04805 0.04352 0.0290 0.0103 1.0000 16.750 1.3110 0.05074 0.04630 0.0287 0.0102 1.0000 17.000 1.3111 0.05364 0.04929 0.0282 0.0101 1.0000 17.250 1.3103 0.05674 0.05248 0.0275 0.0101 1.0000 17.500 1.3083 0.06006 0.05589 0.0267 0.0100 1.0000 17.750 1.3051 0.06363 0.05956 0.0257 0.0099 1.0000 18.000 1.3001 0.06755 0.06357 0.0244 0.0099 1.0000 18.250 1.2939 0.07177 0.06789 0.0230 0.0098 1.0000 18.500 1.2863 0.07625 0.07247 0.0213 0.0098 1.0000 18.750 1.2764 0.08120 0.07753 0.0193 0.0097 1.0000 19.000 1.2650 0.08657 0.08301 0.0170 0.0097 1.0000 19.250 1.2511 0.09248 0.08904 0.0143 0.0096 1.0000