XFOIL Version 6.96 Calculated polar for: CLARK YM-18 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.100 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -12.750 -0.6635 0.06274 0.05623 -0.0861 1.0000 0.0618 -12.500 -0.7144 0.05757 0.05089 -0.0854 1.0000 0.0616 -12.250 -0.7561 0.05457 0.04776 -0.0820 1.0000 0.0615 -12.000 -0.7897 0.05213 0.04517 -0.0783 0.9985 0.0617 -11.750 -0.7983 0.04868 0.04134 -0.0790 0.9899 0.0625 -11.500 -0.7988 0.04535 0.03755 -0.0795 0.9814 0.0636 -11.250 -0.7799 0.04383 0.03599 -0.0802 0.9750 0.0645 -11.000 -0.7578 0.04239 0.03448 -0.0812 0.9693 0.0657 -10.750 -0.7387 0.04081 0.03275 -0.0817 0.9633 0.0670 -10.500 -0.7215 0.03911 0.03084 -0.0818 0.9564 0.0684 -10.250 -0.6981 0.03718 0.02856 -0.0829 0.9520 0.0702 -10.000 -0.6811 0.03598 0.02726 -0.0821 0.9441 0.0715 -9.750 -0.6538 0.03498 0.02625 -0.0831 0.9392 0.0733 -9.500 -0.6234 0.03379 0.02492 -0.0847 0.9358 0.0758 -9.250 -0.6083 0.03276 0.02365 -0.0831 0.9268 0.0782 -9.000 -0.5796 0.03177 0.02268 -0.0840 0.9223 0.0804 -8.750 -0.5481 0.03079 0.02164 -0.0854 0.9189 0.0833 -8.500 -0.5317 0.03003 0.02074 -0.0838 0.9099 0.0860 -8.250 -0.5041 0.02916 0.01983 -0.0842 0.9048 0.0892 -8.000 -0.4725 0.02833 0.01898 -0.0854 0.9013 0.0931 -7.750 -0.4555 0.02776 0.01824 -0.0837 0.8923 0.0968 -7.500 -0.4287 0.02703 0.01758 -0.0839 0.8870 0.1006 -7.250 -0.3970 0.02630 0.01675 -0.0848 0.8833 0.1060 -7.000 -0.3801 0.02582 0.01628 -0.0831 0.8744 0.1100 -6.750 -0.3533 0.02525 0.01568 -0.0831 0.8688 0.1157 -6.500 -0.3224 0.02457 0.01499 -0.0838 0.8649 0.1220 -6.250 -0.3042 0.02423 0.01463 -0.0822 0.8564 0.1278 -6.000 -0.2782 0.02370 0.01410 -0.0820 0.8505 0.1349 -5.750 -0.2475 0.02314 0.01352 -0.0825 0.8465 0.1437 -5.500 -0.2282 0.02280 0.01324 -0.0811 0.8385 0.1514 -5.250 -0.2027 0.02239 0.01282 -0.0806 0.8322 0.1616 -4.750 -0.1514 0.02162 0.01212 -0.0799 0.8204 0.1881 -4.500 -0.1269 0.02132 0.01187 -0.0792 0.8138 0.2042 -4.250 -0.0967 0.02094 0.01151 -0.0795 0.8093 0.2241 -4.000 -0.0736 0.02076 0.01136 -0.0786 0.8022 0.2422 -3.750 -0.0494 0.02057 0.01119 -0.0779 0.7951 0.2606 -3.500 -0.0188 0.02025 0.01087 -0.0782 0.7903 0.2801 -3.250 0.0040 0.02008 0.01073 -0.0772 0.7821 0.2968 -3.000 0.0303 0.01981 0.01048 -0.0767 0.7743 0.3145 -2.750 0.0622 0.01941 0.01008 -0.0771 0.7683 0.3339 -2.500 0.0820 0.01928 0.01000 -0.0754 0.7576 0.3513 -2.250 0.1136 0.01885 0.00960 -0.0757 0.7508 0.3749 -2.000 0.1334 0.01870 0.00955 -0.0741 0.7397 0.3997 -1.750 0.1628 0.01827 0.00924 -0.0740 0.7321 0.4355 -1.500 0.1826 0.01808 0.00923 -0.0723 0.7213 0.4745 -1.250 0.2100 0.01773 0.00904 -0.0718 0.7139 0.5237 -1.000 0.2319 0.01757 0.00909 -0.0704 0.7052 0.5742 -0.750 0.2575 0.01736 0.00906 -0.0694 0.6971 0.6317 -0.500 0.2835 0.01723 0.00908 -0.0684 0.6890 0.6894 -0.250 0.3092 0.01720 0.00918 -0.0673 0.6797 0.7408 0.000 0.3396 0.01717 0.00918 -0.0670 0.6720 0.7870 0.250 0.3671 0.01729 0.00934 -0.0663 0.6620 0.8242 0.500 0.4013 0.01732 0.00931 -0.0668 0.6538 0.8565 0.750 0.4330 0.01747 0.00945 -0.0672 0.6426 0.8828 1.000 0.4688 0.01756 0.00945 -0.0683 0.6324 0.9056 1.250 0.5046 0.01767 0.00947 -0.0695 0.6209 0.9255 1.500 0.5413 0.01781 0.00954 -0.0711 0.6089 0.9426 1.750 0.5832 0.01789 0.00950 -0.0737 0.5975 0.9565 2.000 0.6238 0.01802 0.00955 -0.0763 0.5841 0.9692 2.250 0.6658 0.01815 0.00959 -0.0792 0.5698 0.9814 2.500 0.7143 0.01826 0.00959 -0.0835 0.5543 0.9940 2.750 0.7474 0.01837 0.00958 -0.0849 0.5396 1.0000 3.000 0.7612 0.01851 0.00960 -0.0824 0.5264 1.0000 3.250 0.7738 0.01868 0.00971 -0.0797 0.5130 1.0000 3.500 0.7875 0.01887 0.00980 -0.0772 0.5004 1.0000 3.750 0.8016 0.01907 0.00988 -0.0747 0.4881 1.0000 4.000 0.8141 0.01931 0.01006 -0.0720 0.4753 1.0000 4.250 0.8279 0.01957 0.01021 -0.0694 0.4636 1.0000 4.500 0.8420 0.01984 0.01037 -0.0670 0.4523 1.0000 4.750 0.8557 0.02014 0.01060 -0.0645 0.4415 1.0000 5.000 0.8716 0.02045 0.01078 -0.0624 0.4325 1.0000 5.250 0.8868 0.02078 0.01109 -0.0602 0.4235 1.0000 5.500 0.9043 0.02112 0.01132 -0.0584 0.4162 1.0000 5.750 0.9215 0.02149 0.01166 -0.0567 0.4087 1.0000 6.000 0.9391 0.02186 0.01197 -0.0550 0.4016 1.0000 6.250 0.9587 0.02225 0.01226 -0.0537 0.3956 1.0000 6.500 0.9760 0.02267 0.01269 -0.0521 0.3893 1.0000 6.750 0.9949 0.02308 0.01306 -0.0507 0.3837 1.0000 7.000 1.0175 0.02351 0.01337 -0.0500 0.3787 1.0000 7.250 1.0340 0.02397 0.01390 -0.0483 0.3731 1.0000 7.500 1.0523 0.02444 0.01437 -0.0469 0.3676 1.0000 7.750 1.0740 0.02490 0.01475 -0.0461 0.3627 1.0000 8.000 1.0932 0.02542 0.01527 -0.0450 0.3577 1.0000 8.250 1.1097 0.02596 0.01587 -0.0434 0.3524 1.0000 8.500 1.1286 0.02648 0.01639 -0.0423 0.3475 1.0000 8.750 1.1533 0.02698 0.01679 -0.0420 0.3430 1.0000 9.000 1.1677 0.02761 0.01753 -0.0403 0.3383 1.0000 9.250 1.1823 0.02825 0.01823 -0.0387 0.3330 1.0000 9.500 1.1995 0.02881 0.01878 -0.0374 0.3275 1.0000 9.750 1.2164 0.02943 0.01936 -0.0361 0.3218 1.0000 10.000 1.2238 0.03022 0.02029 -0.0337 0.3154 1.0000 10.250 1.2368 0.03089 0.02095 -0.0320 0.3093 1.0000 10.500 1.2526 0.03156 0.02160 -0.0308 0.3038 1.0000 10.750 1.2591 0.03253 0.02272 -0.0286 0.2983 1.0000 11.000 1.2706 0.03337 0.02364 -0.0270 0.2932 1.0000 11.250 1.2867 0.03406 0.02430 -0.0260 0.2885 1.0000 11.500 1.2939 0.03515 0.02552 -0.0241 0.2835 1.0000 11.750 1.2996 0.03634 0.02686 -0.0223 0.2781 1.0000 12.000 1.3092 0.03734 0.02791 -0.0208 0.2730 1.0000 12.250 1.3190 0.03838 0.02898 -0.0195 0.2681 1.0000 12.500 1.3193 0.04004 0.03083 -0.0176 0.2622 1.0000 12.750 1.3243 0.04142 0.03229 -0.0162 0.2567 1.0000 13.000 1.3316 0.04269 0.03359 -0.0150 0.2516 1.0000 13.250 1.3285 0.04486 0.03596 -0.0134 0.2453 1.0000 13.500 1.3306 0.04661 0.03779 -0.0123 0.2395 1.0000 13.750 1.3307 0.04867 0.03994 -0.0112 0.2336 1.0000 14.000 1.3264 0.05124 0.04266 -0.0102 0.2268 1.0000 14.250 1.3285 0.05319 0.04460 -0.0094 0.2211 1.0000 14.500 1.3194 0.05660 0.04823 -0.0089 0.2138 1.0000 14.750 1.3178 0.05916 0.05082 -0.0084 0.2077 1.0000 15.000 1.3088 0.06283 0.05463 -0.0083 0.2009 1.0000 15.250 1.3035 0.06610 0.05794 -0.0082 0.1946 1.0000 15.500 1.2958 0.06982 0.06174 -0.0084 0.1885 1.0000 15.750 1.2864 0.07388 0.06588 -0.0087 0.1824 1.0000 16.000 1.2834 0.07709 0.06906 -0.0090 0.1771 1.0000 16.250 1.2686 0.08218 0.07430 -0.0099 0.1711 1.0000 16.500 1.2669 0.08533 0.07744 -0.0103 0.1662 1.0000 16.750 1.2572 0.08981 0.08199 -0.0112 0.1613 1.0000 17.000 1.2465 0.09454 0.08681 -0.0123 0.1564 1.0000 17.250 1.2523 0.09667 0.08889 -0.0125 0.1526 1.0000 17.500 1.2445 0.10107 0.09338 -0.0136 0.1487 1.0000 17.750 1.2328 0.10618 0.09861 -0.0152 0.1447 1.0000 18.000 1.2351 0.10899 0.10145 -0.0158 0.1414 1.0000 18.250 1.2535 0.10908 0.10144 -0.0153 0.1387 1.0000 18.500 1.2269 0.11690 0.10950 -0.0184 0.1352 1.0000 18.750 1.2138 0.12253 0.11526 -0.0206 0.1319 1.0000