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 = 1.000 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.000 -1.0038 0.08256 0.07898 -0.0757 1.0000 0.0267 -18.750 -1.0311 0.07541 0.07172 -0.0796 1.0000 0.0268 -18.500 -1.0601 0.06818 0.06437 -0.0835 1.0000 0.0268 -18.250 -1.0876 0.06117 0.05723 -0.0874 1.0000 0.0269 -18.000 -1.1104 0.05467 0.05059 -0.0911 1.0000 0.0269 -17.750 -1.1278 0.04888 0.04468 -0.0945 1.0000 0.0270 -17.500 -1.1397 0.04394 0.03961 -0.0975 1.0000 0.0271 -17.250 -1.1471 0.03981 0.03537 -0.0998 1.0000 0.0272 -17.000 -1.1509 0.03642 0.03188 -0.1014 1.0000 0.0273 -16.750 -1.1527 0.03361 0.02899 -0.1023 1.0000 0.0274 -16.500 -1.1538 0.03131 0.02661 -0.1023 1.0000 0.0275 -16.250 -1.1564 0.02943 0.02465 -0.1013 1.0000 0.0276 -16.000 -1.1488 0.02775 0.02290 -0.1015 0.9983 0.0278 -15.750 -1.1317 0.02625 0.02133 -0.1028 0.9952 0.0280 -15.500 -1.1123 0.02497 0.01997 -0.1041 0.9926 0.0282 -15.250 -1.0952 0.02387 0.01882 -0.1044 0.9871 0.0284 -15.000 -1.0753 0.02290 0.01778 -0.1050 0.9822 0.0285 -14.750 -1.0571 0.02199 0.01681 -0.1050 0.9761 0.0287 -14.500 -1.0417 0.02101 0.01576 -0.1045 0.9681 0.0290 -14.250 -1.0275 0.02020 0.01490 -0.1033 0.9590 0.0292 -14.000 -1.0124 0.01950 0.01414 -0.1020 0.9503 0.0295 -13.750 -0.9974 0.01890 0.01348 -0.1004 0.9404 0.0297 -13.500 -0.9815 0.01836 0.01288 -0.0989 0.9316 0.0300 -13.250 -0.9652 0.01790 0.01236 -0.0973 0.9223 0.0303 -13.000 -0.9460 0.01744 0.01185 -0.0961 0.9143 0.0306 -12.750 -0.9258 0.01701 0.01136 -0.0951 0.9054 0.0309 -12.500 -0.9048 0.01661 0.01089 -0.0942 0.8977 0.0312 -12.250 -0.8830 0.01622 0.01045 -0.0933 0.8893 0.0315 -12.000 -0.8609 0.01586 0.01002 -0.0925 0.8813 0.0319 -11.750 -0.8379 0.01551 0.00962 -0.0919 0.8731 0.0322 -11.500 -0.8147 0.01520 0.00923 -0.0911 0.8649 0.0324 -11.250 -0.7916 0.01482 0.00882 -0.0905 0.8571 0.0329 -11.000 -0.7684 0.01447 0.00842 -0.0898 0.8487 0.0335 -10.750 -0.7444 0.01415 0.00806 -0.0892 0.8411 0.0342 -10.500 -0.7200 0.01385 0.00772 -0.0887 0.8328 0.0349 -10.250 -0.6955 0.01358 0.00740 -0.0881 0.8250 0.0355 -10.000 -0.6702 0.01332 0.00709 -0.0877 0.8177 0.0362 -9.750 -0.6450 0.01308 0.00680 -0.0873 0.8098 0.0368 -9.500 -0.6200 0.01280 0.00649 -0.0868 0.8031 0.0378 -9.250 -0.5945 0.01254 0.00621 -0.0864 0.7957 0.0389 -9.000 -0.5690 0.01232 0.00595 -0.0860 0.7888 0.0401 -8.750 -0.5428 0.01210 0.00571 -0.0857 0.7826 0.0414 -8.500 -0.5170 0.01186 0.00545 -0.0853 0.7754 0.0432 -8.250 -0.4911 0.01167 0.00522 -0.0849 0.7686 0.0452 -8.000 -0.4646 0.01145 0.00501 -0.0846 0.7628 0.0474 -7.750 -0.4382 0.01126 0.00480 -0.0843 0.7560 0.0501 -7.500 -0.4120 0.01109 0.00461 -0.0840 0.7485 0.0529 -7.250 -0.3854 0.01091 0.00442 -0.0837 0.7401 0.0562 -6.750 -0.3322 0.01062 0.00409 -0.0831 0.7237 0.0622 -6.500 -0.3056 0.01050 0.00394 -0.0828 0.7144 0.0647 -6.250 -0.2787 0.01036 0.00379 -0.0825 0.7069 0.0676 -6.000 -0.2515 0.01025 0.00366 -0.0823 0.6993 0.0701 -5.750 -0.2248 0.01014 0.00352 -0.0820 0.6916 0.0726 -5.500 -0.1976 0.01002 0.00339 -0.0818 0.6833 0.0754 -5.250 -0.1710 0.00995 0.00328 -0.0814 0.6740 0.0779 -5.000 -0.1437 0.00983 0.00315 -0.0813 0.6658 0.0809 -4.750 -0.1170 0.00974 0.00304 -0.0810 0.6575 0.0843 -4.500 -0.0896 0.00966 0.00294 -0.0808 0.6497 0.0871 -4.250 -0.0630 0.00957 0.00283 -0.0804 0.6401 0.0910 -4.000 -0.0360 0.00949 0.00274 -0.0802 0.6307 0.0951 -3.750 -0.0098 0.00942 0.00265 -0.0798 0.6194 0.1013 -3.500 0.0165 0.00931 0.00255 -0.0794 0.6075 0.1113 -3.250 0.0422 0.00921 0.00247 -0.0789 0.5962 0.1255 -3.000 0.0684 0.00908 0.00239 -0.0786 0.5864 0.1429 -2.750 0.0946 0.00899 0.00232 -0.0782 0.5777 0.1597 -2.500 0.1211 0.00890 0.00227 -0.0779 0.5684 0.1767 -2.250 0.1473 0.00883 0.00223 -0.0775 0.5594 0.1936 -2.000 0.1741 0.00879 0.00220 -0.0772 0.5496 0.2080 -1.750 0.2004 0.00876 0.00218 -0.0768 0.5395 0.2213 -1.500 0.2268 0.00876 0.00217 -0.0765 0.5276 0.2330 -1.250 0.2535 0.00877 0.00217 -0.0762 0.5166 0.2444 -1.000 0.2795 0.00879 0.00218 -0.0757 0.5050 0.2563 -0.750 0.3064 0.00881 0.00218 -0.0755 0.4937 0.2650 -0.500 0.3326 0.00885 0.00220 -0.0751 0.4820 0.2756 -0.250 0.3584 0.00891 0.00223 -0.0747 0.4683 0.2856 0.000 0.3842 0.00896 0.00226 -0.0742 0.4531 0.2979 0.250 0.4093 0.00903 0.00231 -0.0737 0.4359 0.3135 0.500 0.4337 0.00912 0.00237 -0.0730 0.4161 0.3322 0.750 0.4576 0.00921 0.00244 -0.0722 0.3953 0.3569 1.000 0.4811 0.00928 0.00252 -0.0714 0.3759 0.3899 1.250 0.5045 0.00931 0.00262 -0.0706 0.3598 0.4348 1.500 0.5287 0.00932 0.00270 -0.0700 0.3477 0.4808 1.750 0.5533 0.00934 0.00280 -0.0694 0.3388 0.5205 2.000 0.5783 0.00932 0.00288 -0.0689 0.3321 0.5647 2.500 0.6281 0.00933 0.00308 -0.0677 0.3213 0.6467 2.750 0.6532 0.00932 0.00319 -0.0672 0.3174 0.6883 3.000 0.6780 0.00934 0.00330 -0.0666 0.3135 0.7277 3.250 0.7027 0.00939 0.00343 -0.0659 0.3096 0.7592 3.500 0.7271 0.00947 0.00357 -0.0653 0.3054 0.7893 3.750 0.7522 0.00949 0.00369 -0.0647 0.3031 0.8188 4.000 0.7770 0.00955 0.00383 -0.0640 0.3003 0.8454 4.250 0.8014 0.00963 0.00397 -0.0633 0.2976 0.8683 4.500 0.8243 0.00972 0.00412 -0.0622 0.2949 0.8959 4.750 0.8457 0.00984 0.00430 -0.0608 0.2917 0.9250 5.000 0.8685 0.01003 0.00449 -0.0598 0.2871 0.9483 5.250 0.8969 0.01018 0.00465 -0.0599 0.2836 0.9651 5.500 0.9280 0.01038 0.00484 -0.0608 0.2790 0.9783 5.750 0.9610 0.01061 0.00504 -0.0621 0.2749 0.9865 6.000 0.9934 0.01085 0.00526 -0.0633 0.2709 0.9939 6.250 1.0294 0.01106 0.00546 -0.0653 0.2680 0.9984 6.500 1.0515 0.01121 0.00560 -0.0643 0.2647 1.0000 6.750 1.0672 0.01136 0.00575 -0.0621 0.2612 1.0000 7.000 1.0853 0.01156 0.00593 -0.0603 0.2579 1.0000 7.250 1.1039 0.01180 0.00615 -0.0588 0.2539 1.0000 7.500 1.1250 0.01200 0.00635 -0.0577 0.2510 1.0000 7.750 1.1465 0.01221 0.00657 -0.0567 0.2480 1.0000 8.000 1.1676 0.01246 0.00681 -0.0557 0.2441 1.0000 8.250 1.1878 0.01276 0.00709 -0.0546 0.2395 1.0000 8.500 1.2083 0.01306 0.00738 -0.0536 0.2358 1.0000 8.750 1.2298 0.01333 0.00766 -0.0528 0.2324 1.0000 9.000 1.2506 0.01365 0.00797 -0.0519 0.2275 1.0000 9.250 1.2694 0.01406 0.00835 -0.0507 0.2220 1.0000 9.500 1.2898 0.01441 0.00871 -0.0498 0.2172 1.0000 9.750 1.3082 0.01487 0.00913 -0.0487 0.2094 1.0000 10.000 1.3257 0.01539 0.00962 -0.0475 0.2010 1.0000 10.250 1.3411 0.01602 0.01020 -0.0460 0.1905 1.0000 10.500 1.3556 0.01672 0.01084 -0.0445 0.1800 1.0000 10.750 1.3706 0.01742 0.01151 -0.0432 0.1707 1.0000 11.000 1.3840 0.01822 0.01227 -0.0417 0.1620 1.0000 11.250 1.3974 0.01905 0.01306 -0.0402 0.1537 1.0000 11.500 1.4112 0.01986 0.01386 -0.0389 0.1465 1.0000 11.750 1.4227 0.02085 0.01480 -0.0374 0.1386 1.0000 12.000 1.4360 0.02174 0.01569 -0.0362 0.1314 1.0000 12.250 1.4468 0.02281 0.01673 -0.0348 0.1244 1.0000 12.500 1.4583 0.02386 0.01776 -0.0335 0.1179 1.0000 12.750 1.4692 0.02497 0.01887 -0.0322 0.1123 1.0000 13.000 1.4788 0.02621 0.02009 -0.0310 0.1062 1.0000 13.250 1.4888 0.02744 0.02132 -0.0298 0.1011 1.0000 13.500 1.4970 0.02884 0.02271 -0.0286 0.0962 1.0000 13.750 1.5064 0.03018 0.02406 -0.0275 0.0923 1.0000 14.000 1.5159 0.03156 0.02546 -0.0266 0.0892 1.0000 14.250 1.5234 0.03312 0.02703 -0.0256 0.0863 1.0000 14.500 1.5327 0.03457 0.02851 -0.0247 0.0841 1.0000 14.750 1.5422 0.03605 0.03002 -0.0240 0.0826 1.0000 15.000 1.5509 0.03761 0.03163 -0.0233 0.0811 1.0000 15.250 1.5581 0.03934 0.03339 -0.0226 0.0795 1.0000 15.500 1.5637 0.04125 0.03534 -0.0219 0.0779 1.0000 15.750 1.5691 0.04321 0.03733 -0.0213 0.0763 1.0000 16.000 1.5766 0.04500 0.03919 -0.0208 0.0753 1.0000 16.250 1.5827 0.04697 0.04121 -0.0204 0.0742 1.0000 16.500 1.5881 0.04904 0.04333 -0.0200 0.0730 1.0000 16.750 1.5912 0.05137 0.04571 -0.0197 0.0718 1.0000 17.000 1.5926 0.05390 0.04829 -0.0193 0.0705 1.0000 17.250 1.5931 0.05658 0.05101 -0.0191 0.0692 1.0000 17.500 1.5944 0.05921 0.05371 -0.0190 0.0683 1.0000 17.750 1.5964 0.06182 0.05639 -0.0189 0.0675 1.0000 18.000 1.5977 0.06451 0.05915 -0.0189 0.0667 1.0000 18.250 1.5976 0.06738 0.06209 -0.0190 0.0658 1.0000 18.500 1.5951 0.07058 0.06536 -0.0191 0.0649 1.0000 18.750 1.5914 0.07397 0.06882 -0.0194 0.0639 1.0000 19.000 1.5863 0.07758 0.07249 -0.0197 0.0629 1.0000 19.250 1.5793 0.08141 0.07639 -0.0202 0.0618 1.0000