XFOIL Version 6.96 Calculated polar for: EPPLER 557 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 ------ -------- --------- --------- -------- -------- -------- -18.250 -0.7459 0.12666 0.12405 -0.0422 1.0000 0.0028 -18.000 -0.7738 0.11715 0.11442 -0.0468 1.0000 0.0027 -17.750 -0.8028 0.10778 0.10491 -0.0514 1.0000 0.0027 -17.500 -0.8236 0.10021 0.09722 -0.0550 1.0000 0.0026 -17.250 -0.8447 0.09287 0.08976 -0.0586 1.0000 0.0026 -17.000 -0.8619 0.08645 0.08323 -0.0617 1.0000 0.0027 -16.750 -0.8754 0.08088 0.07756 -0.0643 1.0000 0.0027 -16.500 -0.8875 0.07571 0.07230 -0.0667 1.0000 0.0027 -16.250 -0.8978 0.07100 0.06749 -0.0687 1.0000 0.0026 -16.000 -0.9064 0.06674 0.06315 -0.0704 1.0000 0.0027 -15.750 -0.9129 0.06290 0.05922 -0.0718 1.0000 0.0027 -15.500 -0.9184 0.05937 0.05562 -0.0729 1.0000 0.0027 -15.250 -0.9255 0.05577 0.05194 -0.0740 1.0000 0.0028 -15.000 -0.9278 0.05292 0.04903 -0.0746 1.0000 0.0028 -14.750 -0.9323 0.04997 0.04602 -0.0751 1.0000 0.0029 -14.500 -0.9365 0.04729 0.04328 -0.0752 1.0000 0.0030 -14.250 -0.9337 0.04425 0.04015 -0.0774 0.9994 0.0029 -14.000 -0.9229 0.04160 0.03743 -0.0803 0.9982 0.0030 -13.750 -0.9109 0.03909 0.03485 -0.0832 0.9967 0.0031 -13.500 -0.8989 0.03647 0.03216 -0.0863 0.9951 0.0031 -13.250 -0.8821 0.03431 0.02992 -0.0894 0.9937 0.0031 -13.000 -0.8713 0.03212 0.02767 -0.0912 0.9910 0.0033 -12.750 -0.8567 0.03006 0.02554 -0.0935 0.9880 0.0033 -12.500 -0.8380 0.02815 0.02357 -0.0964 0.9854 0.0034 -12.250 -0.8249 0.02631 0.02167 -0.0979 0.9811 0.0034 -12.000 -0.8127 0.02458 0.01987 -0.0991 0.9748 0.0035 -11.750 -0.8026 0.02292 0.01816 -0.0997 0.9667 0.0036 -11.500 -0.7784 0.02116 0.01633 -0.1029 0.9619 0.0036 -11.250 -0.7567 0.01975 0.01486 -0.1050 0.9550 0.0038 -11.000 -0.7278 0.01821 0.01324 -0.1087 0.9503 0.0039 -10.750 -0.6954 0.01707 0.01203 -0.1118 0.9475 0.0042 -10.500 -0.6670 0.01624 0.01116 -0.1135 0.9413 0.0044 -10.250 -0.6321 0.01546 0.01032 -0.1163 0.9368 0.0046 -10.000 -0.5927 0.01475 0.00956 -0.1199 0.9335 0.0050 -9.750 -0.5551 0.01412 0.00888 -0.1229 0.9276 0.0053 -9.500 -0.5130 0.01349 0.00819 -0.1269 0.9217 0.0059 -9.250 -0.4667 0.01291 0.00757 -0.1317 0.9162 0.0067 -9.000 -0.4267 0.01245 0.00705 -0.1350 0.9065 0.0074 -8.750 -0.3901 0.01200 0.00654 -0.1376 0.8952 0.0087 -8.500 -0.3575 0.01164 0.00612 -0.1391 0.8825 0.0102 -8.250 -0.3282 0.01133 0.00574 -0.1400 0.8690 0.0120 -8.000 -0.3008 0.01104 0.00539 -0.1403 0.8556 0.0141 -7.750 -0.2741 0.01077 0.00506 -0.1405 0.8429 0.0166 -7.500 -0.2475 0.01053 0.00477 -0.1406 0.8310 0.0195 -7.250 -0.2212 0.01027 0.00447 -0.1406 0.8190 0.0240 -7.000 -0.1948 0.01001 0.00418 -0.1407 0.8073 0.0306 -6.750 -0.1680 0.00975 0.00391 -0.1408 0.7961 0.0388 -6.500 -0.1413 0.00949 0.00365 -0.1409 0.7854 0.0492 -6.250 -0.1144 0.00923 0.00340 -0.1410 0.7742 0.0631 -6.000 -0.0870 0.00894 0.00315 -0.1413 0.7641 0.0816 -5.750 -0.0598 0.00868 0.00291 -0.1414 0.7538 0.1025 -5.500 -0.0321 0.00840 0.00268 -0.1417 0.7434 0.1294 -5.250 -0.0041 0.00802 0.00241 -0.1422 0.7340 0.1704 -4.750 0.0527 0.00706 0.00185 -0.1435 0.7144 0.3072 -4.500 0.0807 0.00697 0.00177 -0.1437 0.7048 0.3326 -4.250 0.1091 0.00693 0.00172 -0.1438 0.6951 0.3481 -4.000 0.1372 0.00692 0.00167 -0.1438 0.6859 0.3591 -3.750 0.1653 0.00692 0.00164 -0.1439 0.6759 0.3673 -3.500 0.1936 0.00693 0.00161 -0.1439 0.6666 0.3772 -3.250 0.2215 0.00696 0.00160 -0.1439 0.6568 0.3904 -3.000 0.2500 0.00696 0.00160 -0.1440 0.6476 0.3989 -2.750 0.2779 0.00700 0.00158 -0.1440 0.6385 0.4022 -2.500 0.3061 0.00703 0.00156 -0.1441 0.6292 0.4047 -2.250 0.3342 0.00708 0.00155 -0.1441 0.6206 0.4070 -2.000 0.3623 0.00712 0.00154 -0.1441 0.6116 0.4096 -1.750 0.3905 0.00715 0.00154 -0.1441 0.6031 0.4124 -1.500 0.4184 0.00720 0.00155 -0.1441 0.5939 0.4150 -1.250 0.4467 0.00723 0.00155 -0.1441 0.5858 0.4176 -1.000 0.4744 0.00730 0.00157 -0.1441 0.5767 0.4202 -0.750 0.5025 0.00735 0.00159 -0.1441 0.5682 0.4227 -0.500 0.5301 0.00742 0.00161 -0.1440 0.5596 0.4252 -0.250 0.5583 0.00746 0.00164 -0.1441 0.5509 0.4280 0.000 0.5858 0.00754 0.00168 -0.1440 0.5421 0.4307 0.250 0.6138 0.00759 0.00172 -0.1440 0.5333 0.4333 0.500 0.6412 0.00768 0.00177 -0.1439 0.5246 0.4360 0.750 0.6689 0.00775 0.00182 -0.1438 0.5155 0.4386 1.000 0.6963 0.00784 0.00187 -0.1437 0.5070 0.4411 1.250 0.7237 0.00792 0.00194 -0.1437 0.4977 0.4442 1.500 0.7511 0.00801 0.00201 -0.1436 0.4884 0.4471 2.000 0.8052 0.00822 0.00217 -0.1432 0.4684 0.4528 2.250 0.8319 0.00834 0.00225 -0.1430 0.4583 0.4554 2.500 0.8584 0.00848 0.00235 -0.1428 0.4471 0.4580 2.750 0.8852 0.00858 0.00245 -0.1426 0.4365 0.4615 3.000 0.9116 0.00872 0.00256 -0.1423 0.4259 0.4650 3.250 0.9377 0.00887 0.00269 -0.1420 0.4148 0.4683 3.500 0.9641 0.00900 0.00280 -0.1417 0.4044 0.4713 4.250 1.0414 0.00949 0.00323 -0.1406 0.3705 0.4810 4.500 1.0667 0.00967 0.00338 -0.1402 0.3591 0.4851 4.750 1.0915 0.00988 0.00356 -0.1396 0.3466 0.4888 5.000 1.1158 0.01011 0.00375 -0.1390 0.3326 0.4923 5.250 1.1402 0.01032 0.00394 -0.1384 0.3194 0.4964 5.500 1.1643 0.01055 0.00415 -0.1378 0.3058 0.5005 5.750 1.1875 0.01083 0.00438 -0.1370 0.2901 0.5045 6.000 1.2101 0.01113 0.00462 -0.1361 0.2739 0.5084 6.250 1.2322 0.01145 0.00490 -0.1351 0.2574 0.5135 6.500 1.2533 0.01181 0.00519 -0.1340 0.2401 0.5188 6.750 1.2734 0.01217 0.00550 -0.1326 0.2228 0.5235 7.000 1.2922 0.01255 0.00582 -0.1310 0.2055 0.5282 7.250 1.3106 0.01292 0.00615 -0.1293 0.1905 0.5336 7.500 1.3288 0.01332 0.00651 -0.1277 0.1764 0.5390 7.750 1.3463 0.01375 0.00689 -0.1259 0.1622 0.5448 8.000 1.3632 0.01421 0.00731 -0.1240 0.1480 0.5519 8.500 1.3974 0.01511 0.00817 -0.1205 0.1249 0.5657 8.750 1.4136 0.01559 0.00863 -0.1186 0.1142 0.5728 9.000 1.4291 0.01611 0.00913 -0.1167 0.1036 0.5801 9.250 1.4434 0.01669 0.00968 -0.1146 0.0930 0.5886 9.500 1.4571 0.01730 0.01027 -0.1124 0.0837 0.5974 9.750 1.4721 0.01784 0.01084 -0.1105 0.0771 0.6078 10.000 1.4859 0.01845 0.01147 -0.1085 0.0705 0.6185 10.250 1.4982 0.01915 0.01218 -0.1063 0.0638 0.6290 10.500 1.5118 0.01980 0.01286 -0.1044 0.0589 0.6406 10.750 1.5233 0.02058 0.01366 -0.1023 0.0536 0.6529 11.000 1.5358 0.02132 0.01445 -0.1004 0.0493 0.6670 11.250 1.5455 0.02225 0.01542 -0.0982 0.0444 0.6836 11.500 1.5569 0.02310 0.01634 -0.0964 0.0407 0.7021 11.750 1.5659 0.02415 0.01744 -0.0943 0.0369 0.7228 12.000 1.5757 0.02517 0.01855 -0.0925 0.0335 0.7470 12.250 1.5839 0.02634 0.01980 -0.0906 0.0304 0.7778 12.500 1.5921 0.02749 0.02109 -0.0888 0.0276 0.8256 12.750 1.5942 0.02852 0.02237 -0.0860 0.0256 1.0000 13.000 1.6017 0.02992 0.02382 -0.0844 0.0233 1.0000 13.250 1.6074 0.03153 0.02545 -0.0829 0.0212 1.0000 13.500 1.6138 0.03314 0.02710 -0.0815 0.0192 1.0000 13.750 1.6184 0.03498 0.02898 -0.0801 0.0176 1.0000 14.000 1.6242 0.03678 0.03082 -0.0790 0.0161 1.0000 14.250 1.6279 0.03884 0.03292 -0.0779 0.0146 1.0000 14.500 1.6326 0.04089 0.03502 -0.0770 0.0137 1.0000 14.750 1.6364 0.04310 0.03729 -0.0762 0.0126 1.0000 15.000 1.6387 0.04552 0.03977 -0.0756 0.0116 1.0000 15.250 1.6419 0.04795 0.04227 -0.0750 0.0109 1.0000 15.500 1.6442 0.05056 0.04493 -0.0747 0.0102 1.0000 15.750 1.6455 0.05335 0.04780 -0.0744 0.0096 1.0000 16.000 1.6459 0.05635 0.05086 -0.0743 0.0090 1.0000 16.250 1.6471 0.05933 0.05391 -0.0743 0.0085 1.0000 16.500 1.6472 0.06254 0.05720 -0.0745 0.0080 1.0000 16.750 1.6462 0.06598 0.06072 -0.0749 0.0076 1.0000 17.000 1.6437 0.06973 0.06455 -0.0754 0.0071 1.0000 17.250 1.6425 0.07337 0.06827 -0.0761 0.0068 1.0000 17.500 1.6407 0.07719 0.07218 -0.0769 0.0064 1.0000 17.750 1.6377 0.08126 0.07634 -0.0779 0.0061 1.0000 18.000 1.6337 0.08557 0.08074 -0.0790 0.0057 1.0000 18.250 1.6286 0.09013 0.08538 -0.0804 0.0054 1.0000 18.500 1.6238 0.09473 0.09008 -0.0819 0.0052 1.0000 18.750 1.6192 0.09936 0.09481 -0.0835 0.0050 1.0000 19.000 1.6138 0.10418 0.09972 -0.0854 0.0047 1.0000 19.250 1.6080 0.10912 0.10476 -0.0873 0.0045 1.0000