XFOIL Version 6.96 Calculated polar for: NREL's S818 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 ------ -------- --------- --------- -------- -------- -------- -16.500 -0.6756 0.09642 0.09195 -0.0690 0.9881 0.0208 -16.250 -0.6672 0.09465 0.09019 -0.0694 0.9878 0.0223 -16.000 -0.6591 0.09284 0.08839 -0.0698 0.9874 0.0247 -15.750 -0.6496 0.09120 0.08676 -0.0702 0.9871 0.0270 -15.500 -0.6397 0.08960 0.08518 -0.0706 0.9868 0.0292 -15.250 -0.6287 0.08797 0.08356 -0.0712 0.9864 0.0318 -15.000 -0.6188 0.08621 0.08184 -0.0719 0.9860 0.0364 -14.750 -0.6091 0.08455 0.08021 -0.0723 0.9856 0.0403 -14.500 -0.5972 0.08294 0.07860 -0.0731 0.9852 0.0427 -14.250 -0.5839 0.08072 0.07644 -0.0751 0.9845 0.0506 -14.000 -0.5644 0.07821 0.07397 -0.0786 0.9835 0.0572 -13.750 -0.5405 0.07548 0.07125 -0.0831 0.9825 0.0633 -13.500 -0.5195 0.07246 0.06827 -0.0878 0.9816 0.0720 -13.250 -0.5002 0.06956 0.06542 -0.0921 0.9809 0.0830 -13.000 -0.5049 0.06769 0.06360 -0.0901 0.9778 0.0915 -12.750 -0.5016 0.06509 0.06106 -0.0910 0.9754 0.1029 -12.500 -0.5199 0.05987 0.05598 -0.0931 0.9734 0.1303 -12.250 -0.5423 0.05430 0.05049 -0.0955 0.9718 0.1536 -12.000 -0.5853 0.04634 0.04259 -0.0992 0.9700 0.1800 -11.750 -0.6289 0.03842 0.03463 -0.1033 0.9684 0.1962 -11.500 -0.6589 0.03532 0.03149 -0.1000 0.9633 0.1987 -11.250 -0.6962 0.02977 0.02586 -0.1008 0.9575 0.2058 -11.000 -0.7383 0.02471 0.02071 -0.0999 0.9497 0.2124 -10.750 -0.7753 0.02107 0.01699 -0.0967 0.9409 0.2154 -10.500 -0.8121 0.01851 0.01435 -0.0909 0.9269 0.2157 -10.000 -0.7927 0.01122 0.00713 -0.1013 0.9026 0.2934 -9.750 -0.7530 0.01079 0.00668 -0.1044 0.8963 0.2990 -9.500 -0.7039 0.01047 0.00630 -0.1090 0.8869 0.3032 -9.250 -0.6239 0.01032 0.00601 -0.1196 0.8712 0.3078 -9.000 -0.5756 0.01023 0.00570 -0.1242 0.8291 0.3110 -8.750 -0.5517 0.01026 0.00555 -0.1238 0.7898 0.3130 -8.500 -0.5296 0.01029 0.00542 -0.1231 0.7585 0.3143 -8.250 -0.5067 0.01030 0.00530 -0.1225 0.7314 0.3153 -8.000 -0.4825 0.01032 0.00519 -0.1221 0.7079 0.3165 -7.750 -0.4574 0.01034 0.00509 -0.1219 0.6865 0.3178 -7.500 -0.4318 0.01033 0.00498 -0.1217 0.6667 0.3187 -7.250 -0.4055 0.01032 0.00486 -0.1217 0.6487 0.3193 -7.000 -0.3789 0.01028 0.00472 -0.1218 0.6317 0.3196 -6.750 -0.3518 0.01024 0.00459 -0.1220 0.6158 0.3199 -6.500 -0.3246 0.01022 0.00447 -0.1222 0.5995 0.3202 -6.250 -0.2970 0.01019 0.00435 -0.1224 0.5844 0.3205 -6.000 -0.2691 0.01017 0.00424 -0.1227 0.5706 0.3208 -5.750 -0.2410 0.01015 0.00413 -0.1231 0.5581 0.3210 -5.500 -0.2123 0.01011 0.00403 -0.1235 0.5471 0.3213 -5.250 -0.1838 0.01010 0.00394 -0.1239 0.5367 0.3216 -5.000 -0.1550 0.01007 0.00385 -0.1243 0.5264 0.3218 -4.750 -0.1261 0.01005 0.00377 -0.1247 0.5175 0.3220 -4.500 -0.0973 0.01004 0.00370 -0.1252 0.5081 0.3222 -4.250 -0.0682 0.01003 0.00363 -0.1256 0.5003 0.3224 -4.000 -0.0392 0.01002 0.00356 -0.1260 0.4920 0.3226 -3.750 -0.0100 0.00999 0.00349 -0.1265 0.4850 0.3231 -3.500 0.0194 0.00995 0.00342 -0.1271 0.4779 0.3238 -3.000 0.0782 0.00991 0.00331 -0.1281 0.4650 0.3252 -2.750 0.1075 0.00991 0.00327 -0.1286 0.4583 0.3258 -2.500 0.1367 0.00992 0.00324 -0.1291 0.4522 0.3264 -2.250 0.1662 0.00991 0.00321 -0.1296 0.4471 0.3271 -2.000 0.1955 0.00991 0.00319 -0.1300 0.4418 0.3277 -1.500 0.2540 0.00993 0.00317 -0.1309 0.4333 0.3290 -1.250 0.2832 0.00994 0.00317 -0.1313 0.4293 0.3296 -1.000 0.3121 0.00996 0.00317 -0.1316 0.4253 0.3303 -0.750 0.3408 0.00999 0.00318 -0.1319 0.4213 0.3310 -0.500 0.3697 0.01001 0.00319 -0.1323 0.4182 0.3317 -0.250 0.3987 0.01002 0.00320 -0.1326 0.4155 0.3324 0.000 0.4275 0.01004 0.00321 -0.1329 0.4124 0.3331 0.250 0.4560 0.01007 0.00323 -0.1331 0.4094 0.3338 0.500 0.4844 0.01011 0.00326 -0.1333 0.4064 0.3345 0.750 0.5126 0.01016 0.00330 -0.1335 0.4034 0.3351 1.000 0.5411 0.01019 0.00333 -0.1337 0.4014 0.3357 1.250 0.5696 0.01022 0.00337 -0.1340 0.3992 0.3363 1.500 0.5980 0.01026 0.00341 -0.1341 0.3968 0.3368 1.750 0.6261 0.01031 0.00346 -0.1343 0.3945 0.3372 2.000 0.6544 0.01036 0.00351 -0.1345 0.3923 0.3380 2.250 0.6826 0.01040 0.00357 -0.1347 0.3902 0.3393 2.500 0.7106 0.01047 0.00364 -0.1348 0.3880 0.3404 2.750 0.7385 0.01053 0.00372 -0.1349 0.3860 0.3416 3.000 0.7670 0.01058 0.00380 -0.1351 0.3849 0.3428 3.250 0.7953 0.01063 0.00388 -0.1353 0.3836 0.3439 3.500 0.8234 0.01068 0.00397 -0.1354 0.3822 0.3450 3.750 0.8514 0.01075 0.00406 -0.1355 0.3808 0.3461 4.000 0.8794 0.01082 0.00416 -0.1356 0.3793 0.3472 4.250 0.9071 0.01091 0.00427 -0.1357 0.3779 0.3483 4.500 0.9346 0.01100 0.00439 -0.1357 0.3763 0.3494 4.750 0.9617 0.01111 0.00451 -0.1356 0.3747 0.3503 5.000 0.9885 0.01123 0.00465 -0.1355 0.3729 0.3512 5.250 1.0151 0.01136 0.00479 -0.1353 0.3711 0.3520 5.500 1.0415 0.01150 0.00495 -0.1351 0.3694 0.3527 5.750 1.0694 0.01158 0.00508 -0.1352 0.3687 0.3546 6.000 1.0970 0.01166 0.00522 -0.1353 0.3676 0.3565 6.250 1.1246 0.01173 0.00535 -0.1353 0.3643 0.3581 6.500 1.1497 0.01189 0.00549 -0.1349 0.3555 0.3599 6.750 1.1762 0.01201 0.00563 -0.1348 0.3482 0.3615 7.000 1.2022 0.01215 0.00578 -0.1345 0.3427 0.3630 7.250 1.2268 0.01234 0.00597 -0.1340 0.3374 0.3644 7.500 1.2528 0.01247 0.00614 -0.1338 0.3321 0.3656 7.750 1.2771 0.01267 0.00633 -0.1332 0.3238 0.3668 8.000 1.3012 0.01287 0.00654 -0.1327 0.3169 0.3677 8.250 1.3238 0.01316 0.00680 -0.1319 0.3039 0.3691 8.500 1.3417 0.01368 0.00720 -0.1304 0.2752 0.3710 8.750 1.3500 0.01472 0.00798 -0.1275 0.2313 0.3725 9.000 1.3583 0.01571 0.00880 -0.1246 0.1989 0.3741 9.250 1.3672 0.01667 0.00961 -0.1218 0.1701 0.3756 9.500 1.3773 0.01755 0.01039 -0.1193 0.1489 0.3771 9.750 1.3877 0.01841 0.01118 -0.1169 0.1309 0.3787 10.000 1.3979 0.01929 0.01200 -0.1146 0.1157 0.3801 10.250 1.4079 0.02018 0.01285 -0.1123 0.1031 0.3815 10.500 1.4168 0.02115 0.01378 -0.1099 0.0917 0.3827 10.750 1.4258 0.02214 0.01474 -0.1077 0.0828 0.3837 11.000 1.4353 0.02314 0.01575 -0.1056 0.0753 0.3855 11.250 1.4444 0.02421 0.01683 -0.1037 0.0690 0.3878 11.500 1.4511 0.02547 0.01810 -0.1016 0.0627 0.3901 11.750 1.4592 0.02671 0.01936 -0.0998 0.0576 0.3923 12.000 1.4642 0.02822 0.02089 -0.0979 0.0526 0.3943 12.250 1.4714 0.02966 0.02236 -0.0964 0.0488 0.3963 12.500 1.4755 0.03141 0.02415 -0.0948 0.0451 0.3979 12.750 1.4802 0.03323 0.02599 -0.0935 0.0421 0.3993 13.250 1.4864 0.03749 0.03035 -0.0913 0.0366 0.4029 13.500 1.4899 0.03974 0.03267 -0.0906 0.0346 0.4053 13.750 1.4914 0.04230 0.03529 -0.0900 0.0323 0.4075 14.000 1.4906 0.04522 0.03825 -0.0895 0.0302 0.4095 14.250 1.4923 0.04797 0.04108 -0.0892 0.0288 0.4117 14.500 1.4919 0.05103 0.04421 -0.0891 0.0272 0.4137 14.750 1.4893 0.05443 0.04766 -0.0891 0.0255 0.4155 15.250 1.4880 0.06107 0.05445 -0.0895 0.0233 0.4204 15.500 1.4858 0.06469 0.05814 -0.0899 0.0221 0.4233 15.750 1.4830 0.06843 0.06197 -0.0904 0.0211 0.4263 16.000 1.4821 0.07201 0.06561 -0.0909 0.0203 0.4290 16.250 1.4815 0.07558 0.06926 -0.0915 0.0195 0.4315 16.750 1.4777 0.08324 0.07706 -0.0931 0.0178 0.4366 17.000 1.4766 0.08704 0.08092 -0.0940 0.0170 0.4397