XFOIL Version 6.96 Calculated polar for: NACA 0021 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 -1.3373 0.07896 0.07414 -0.0364 1.0000 0.0448 -19.500 -1.3450 0.07492 0.07002 -0.0376 1.0000 0.0455 -19.250 -1.3515 0.07105 0.06608 -0.0387 1.0000 0.0462 -19.000 -1.3565 0.06740 0.06235 -0.0396 1.0000 0.0469 -18.750 -1.3589 0.06410 0.05898 -0.0404 1.0000 0.0475 -18.500 -1.3639 0.06056 0.05537 -0.0412 1.0000 0.0483 -18.250 -1.3679 0.05719 0.05194 -0.0419 1.0000 0.0491 -18.000 -1.3701 0.05404 0.04874 -0.0424 1.0000 0.0500 -17.750 -1.3705 0.05115 0.04578 -0.0429 1.0000 0.0509 -17.500 -1.3691 0.04849 0.04306 -0.0432 1.0000 0.0518 -17.250 -1.3657 0.04610 0.04062 -0.0434 1.0000 0.0526 -17.000 -1.3643 0.04355 0.03802 -0.0436 1.0000 0.0536 -16.750 -1.3616 0.04117 0.03560 -0.0436 1.0000 0.0547 -16.500 -1.3571 0.03902 0.03340 -0.0436 1.0000 0.0559 -16.250 -1.3511 0.03707 0.03140 -0.0434 1.0000 0.0571 -16.000 -1.3433 0.03532 0.02961 -0.0432 1.0000 0.0582 -15.750 -1.3375 0.03344 0.02770 -0.0428 1.0000 0.0596 -15.500 -1.3302 0.03176 0.02599 -0.0424 1.0000 0.0612 -15.250 -1.3212 0.03027 0.02447 -0.0419 1.0000 0.0627 -15.000 -1.3106 0.02895 0.02311 -0.0413 1.0000 0.0641 -14.750 -1.3016 0.02754 0.02168 -0.0406 1.0000 0.0657 -14.500 -1.2912 0.02629 0.02041 -0.0399 1.0000 0.0674 -14.250 -1.2794 0.02519 0.01928 -0.0390 1.0000 0.0690 -14.000 -1.2666 0.02421 0.01827 -0.0382 1.0000 0.0706 -13.750 -1.2553 0.02316 0.01721 -0.0371 1.0000 0.0724 -13.500 -1.2431 0.02223 0.01627 -0.0360 1.0000 0.0744 -13.250 -1.2294 0.02145 0.01547 -0.0349 1.0000 0.0762 -13.000 -1.2168 0.02067 0.01468 -0.0335 1.0000 0.0781 -12.750 -1.2058 0.01991 0.01392 -0.0318 1.0000 0.0804 -12.500 -1.1949 0.01928 0.01328 -0.0298 1.0000 0.0826 -12.000 -1.1649 0.01806 0.01206 -0.0272 0.9975 0.0874 -11.750 -1.1393 0.01745 0.01145 -0.0278 0.9946 0.0904 -11.500 -1.1125 0.01690 0.01090 -0.0286 0.9919 0.0932 -11.250 -1.0902 0.01633 0.01034 -0.0284 0.9863 0.0964 -11.000 -1.0650 0.01585 0.00986 -0.0287 0.9806 0.0999 -10.750 -1.0420 0.01534 0.00937 -0.0285 0.9739 0.1036 -10.500 -1.0202 0.01489 0.00892 -0.0279 0.9653 0.1075 -10.250 -0.9996 0.01449 0.00851 -0.0270 0.9558 0.1114 -10.000 -0.9807 0.01406 0.00809 -0.0257 0.9452 0.1162 -9.750 -0.9613 0.01372 0.00774 -0.0243 0.9335 0.1205 -9.500 -0.9428 0.01334 0.00737 -0.0228 0.9222 0.1257 -9.250 -0.9225 0.01306 0.00705 -0.0216 0.9097 0.1302 -9.000 -0.9029 0.01272 0.00672 -0.0202 0.8973 0.1357 -8.750 -0.8820 0.01246 0.00643 -0.0190 0.8846 0.1405 -8.500 -0.8616 0.01219 0.00614 -0.0177 0.8709 0.1458 -8.250 -0.8412 0.01196 0.00589 -0.0163 0.8575 0.1514 -8.000 -0.8209 0.01177 0.00566 -0.0149 0.8438 0.1563 -7.750 -0.7993 0.01155 0.00543 -0.0138 0.8293 0.1625 -7.500 -0.7758 0.01137 0.00522 -0.0130 0.8161 0.1679 -7.250 -0.7530 0.01117 0.00500 -0.0120 0.8018 0.1748 -7.000 -0.7287 0.01101 0.00482 -0.0114 0.7877 0.1808 -6.750 -0.7053 0.01081 0.00461 -0.0106 0.7742 0.1881 -6.250 -0.6564 0.01049 0.00426 -0.0092 0.7460 0.2022 -6.000 -0.6314 0.01037 0.00411 -0.0087 0.7322 0.2091 -5.750 -0.6069 0.01022 0.00395 -0.0080 0.7177 0.2171 -5.500 -0.5812 0.01010 0.00382 -0.0076 0.7044 0.2243 -5.250 -0.5564 0.00997 0.00367 -0.0070 0.6904 0.2326 -5.000 -0.5305 0.00986 0.00355 -0.0066 0.6764 0.2406 -4.750 -0.5051 0.00973 0.00342 -0.0061 0.6634 0.2492 -4.250 -0.4536 0.00953 0.00320 -0.0052 0.6364 0.2671 -4.000 -0.4274 0.00946 0.00311 -0.0048 0.6233 0.2760 -3.750 -0.4015 0.00935 0.00301 -0.0044 0.6102 0.2856 -3.500 -0.3749 0.00928 0.00293 -0.0041 0.5980 0.2946 -3.250 -0.3491 0.00920 0.00284 -0.0036 0.5846 0.3048 -2.750 -0.2962 0.00907 0.00270 -0.0029 0.5600 0.3245 -2.250 -0.2427 0.00896 0.00259 -0.0023 0.5363 0.3439 -1.750 -0.1890 0.00887 0.00250 -0.0018 0.5131 0.3634 -1.500 -0.1618 0.00887 0.00247 -0.0016 0.5007 0.3723 -1.250 -0.1351 0.00881 0.00243 -0.0013 0.4902 0.3832 -1.000 -0.1079 0.00882 0.00242 -0.0010 0.4779 0.3923 -0.750 -0.0811 0.00877 0.00239 -0.0008 0.4677 0.4035 -0.250 -0.0270 0.00875 0.00237 -0.0002 0.4462 0.4248 0.000 0.0000 0.00878 0.00237 0.0000 0.4345 0.4345 0.250 0.0270 0.00875 0.00237 0.0002 0.4248 0.4462 0.750 0.0811 0.00877 0.00239 0.0008 0.4034 0.4678 1.000 0.1079 0.00882 0.00242 0.0010 0.3924 0.4779 1.250 0.1351 0.00881 0.00243 0.0013 0.3832 0.4901 1.500 0.1618 0.00887 0.00247 0.0016 0.3723 0.5008 1.750 0.1890 0.00887 0.00250 0.0018 0.3634 0.5131 2.250 0.2427 0.00896 0.00259 0.0023 0.3439 0.5363 2.750 0.2962 0.00907 0.00270 0.0029 0.3245 0.5600 3.250 0.3491 0.00920 0.00284 0.0036 0.3048 0.5846 3.500 0.3750 0.00928 0.00293 0.0040 0.2946 0.5979 3.750 0.4016 0.00935 0.00301 0.0043 0.2857 0.6103 4.000 0.4275 0.00946 0.00311 0.0048 0.2760 0.6234 4.250 0.4537 0.00952 0.00320 0.0052 0.2672 0.6365 4.750 0.5053 0.00973 0.00342 0.0060 0.2491 0.6634 5.000 0.5307 0.00986 0.00355 0.0065 0.2405 0.6765 5.250 0.5565 0.00997 0.00367 0.0070 0.2325 0.6904 5.500 0.5814 0.01010 0.00381 0.0075 0.2243 0.7043 5.750 0.6071 0.01022 0.00395 0.0080 0.2171 0.7176 6.000 0.6316 0.01037 0.00411 0.0086 0.2091 0.7323 6.250 0.6567 0.01049 0.00426 0.0092 0.2022 0.7460 6.750 0.7055 0.01081 0.00461 0.0105 0.1881 0.7742 7.000 0.7290 0.01101 0.00482 0.0113 0.1807 0.7877 7.250 0.7534 0.01117 0.00500 0.0119 0.1748 0.8018 7.500 0.7761 0.01137 0.00522 0.0129 0.1679 0.8161 7.750 0.7997 0.01156 0.00543 0.0137 0.1623 0.8293 8.000 0.8214 0.01177 0.00566 0.0148 0.1562 0.8438 8.250 0.8418 0.01196 0.00589 0.0162 0.1512 0.8574 8.500 0.8622 0.01219 0.00614 0.0175 0.1457 0.8708 8.750 0.8826 0.01246 0.00643 0.0189 0.1405 0.8845 9.000 0.9036 0.01272 0.00672 0.0201 0.1356 0.8972 9.250 0.9232 0.01306 0.00705 0.0214 0.1302 0.9095 9.500 0.9436 0.01334 0.00736 0.0227 0.1258 0.9220 9.750 0.9621 0.01372 0.00774 0.0242 0.1205 0.9334 10.000 0.9816 0.01406 0.00809 0.0255 0.1161 0.9451 10.250 1.0006 0.01448 0.00851 0.0268 0.1114 0.9556 10.500 1.0210 0.01489 0.00892 0.0277 0.1076 0.9652 10.750 1.0429 0.01534 0.00936 0.0283 0.1035 0.9738 11.000 1.0658 0.01584 0.00985 0.0285 0.0998 0.9806 11.250 1.0911 0.01632 0.01033 0.0283 0.0964 0.9863 11.500 1.1135 0.01690 0.01089 0.0284 0.0931 0.9920 11.750 1.1404 0.01744 0.01143 0.0276 0.0903 0.9947 12.000 1.1660 0.01804 0.01204 0.0270 0.0874 0.9975 12.500 1.1956 0.01926 0.01326 0.0297 0.0826 1.0000 12.750 1.2068 0.01988 0.01389 0.0316 0.0803 1.0000 13.000 1.2180 0.02065 0.01466 0.0333 0.0780 1.0000 13.250 1.2308 0.02142 0.01544 0.0346 0.0762 1.0000 13.500 1.2446 0.02220 0.01624 0.0358 0.0743 1.0000 13.750 1.2570 0.02313 0.01718 0.0369 0.0724 1.0000 14.000 1.2683 0.02417 0.01824 0.0379 0.0705 1.0000 14.250 1.2814 0.02515 0.01924 0.0388 0.0690 1.0000 14.500 1.2933 0.02625 0.02037 0.0395 0.0673 1.0000 14.750 1.3038 0.02749 0.02163 0.0403 0.0656 1.0000 15.000 1.3129 0.02890 0.02305 0.0410 0.0640 1.0000 15.250 1.3236 0.03021 0.02441 0.0415 0.0626 1.0000 15.500 1.3327 0.03170 0.02593 0.0420 0.0611 1.0000 15.750 1.3401 0.03338 0.02764 0.0425 0.0595 1.0000 16.000 1.3460 0.03525 0.02954 0.0428 0.0581 1.0000 16.250 1.3541 0.03699 0.03132 0.0430 0.0570 1.0000 16.500 1.3602 0.03893 0.03331 0.0432 0.0558 1.0000 16.750 1.3647 0.04108 0.03550 0.0432 0.0547 1.0000 17.000 1.3675 0.04346 0.03792 0.0432 0.0535 1.0000 17.250 1.3693 0.04598 0.04049 0.0430 0.0525 1.0000 17.500 1.3728 0.04836 0.04293 0.0428 0.0517 1.0000 17.750 1.3741 0.05103 0.04566 0.0424 0.0508 1.0000 18.000 1.3739 0.05392 0.04861 0.0420 0.0499 1.0000 18.250 1.3718 0.05705 0.05180 0.0414 0.0490 1.0000 18.500 1.3679 0.06042 0.05523 0.0407 0.0482 1.0000 18.750 1.3634 0.06391 0.05878 0.0400 0.0475 1.0000 19.000 1.3608 0.06724 0.06218 0.0392 0.0469 1.0000 19.250 1.3559 0.07090 0.06592 0.0382 0.0462 1.0000