XFOIL Version 6.96 Calculated polar for: EPPLER 520 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.500 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.000 -1.0190 0.12917 0.12580 0.0097 1.0000 0.0041 -18.750 -1.0361 0.12121 0.11771 0.0052 1.0000 0.0040 -18.500 -1.0541 0.11323 0.10959 0.0007 1.0000 0.0040 -18.250 -1.0702 0.10581 0.10204 -0.0035 1.0000 0.0040 -18.000 -1.0882 0.09820 0.09429 -0.0077 1.0000 0.0040 -17.750 -1.1026 0.09147 0.08742 -0.0113 1.0000 0.0040 -17.500 -1.1143 0.08544 0.08126 -0.0144 1.0000 0.0041 -17.250 -1.1280 0.07922 0.07490 -0.0176 1.0000 0.0041 -17.000 -1.1373 0.07393 0.06949 -0.0202 1.0000 0.0042 -16.750 -1.1464 0.06886 0.06429 -0.0225 1.0000 0.0042 -16.500 -1.1509 0.06468 0.05999 -0.0243 1.0000 0.0044 -16.250 -1.1569 0.06041 0.05559 -0.0260 1.0000 0.0045 -16.000 -1.1589 0.05689 0.05196 -0.0272 1.0000 0.0047 -15.750 -1.1624 0.05330 0.04826 -0.0283 1.0000 0.0048 -15.500 -1.1631 0.05022 0.04507 -0.0290 1.0000 0.0048 -15.250 -1.1640 0.04725 0.04199 -0.0295 1.0000 0.0049 -15.000 -1.1612 0.04485 0.03949 -0.0297 1.0000 0.0052 -14.750 -1.1617 0.04221 0.03674 -0.0298 1.0000 0.0053 -14.500 -1.1598 0.03991 0.03436 -0.0297 1.0000 0.0056 -14.250 -1.1565 0.03783 0.03221 -0.0294 1.0000 0.0059 -14.000 -1.1510 0.03602 0.03033 -0.0290 1.0000 0.0063 -13.750 -1.1451 0.03428 0.02852 -0.0285 1.0000 0.0066 -13.500 -1.1379 0.03270 0.02685 -0.0280 1.0000 0.0069 -13.250 -1.1300 0.03121 0.02529 -0.0273 1.0000 0.0074 -13.000 -1.1222 0.02974 0.02377 -0.0266 1.0000 0.0078 -12.750 -1.1135 0.02837 0.02236 -0.0258 1.0000 0.0085 -12.500 -1.1001 0.02715 0.02108 -0.0258 0.9425 0.0093 -12.250 -1.0774 0.02610 0.01976 -0.0272 0.8767 0.0102 -11.750 -1.0597 0.02414 0.01756 -0.0242 0.8373 0.0122 -11.500 -1.0479 0.02330 0.01663 -0.0230 0.8265 0.0136 -11.250 -1.0367 0.02242 0.01567 -0.0217 0.8182 0.0148 -11.000 -1.0253 0.02156 0.01475 -0.0203 0.8110 0.0162 -10.750 -1.0127 0.02081 0.01393 -0.0190 0.8052 0.0179 -10.500 -0.9999 0.02008 0.01313 -0.0176 0.7996 0.0196 -10.250 -0.9880 0.01935 0.01236 -0.0159 0.7943 0.0217 -10.000 -0.9748 0.01873 0.01167 -0.0143 0.7899 0.0239 -9.750 -0.9618 0.01813 0.01103 -0.0125 0.7856 0.0265 -9.500 -0.9493 0.01758 0.01046 -0.0105 0.7817 0.0300 -9.250 -0.9337 0.01714 0.00996 -0.0088 0.7783 0.0332 -9.000 -0.9170 0.01659 0.00942 -0.0075 0.7751 0.0388 -8.750 -0.8981 0.01611 0.00893 -0.0064 0.7717 0.0446 -8.500 -0.8786 0.01564 0.00846 -0.0054 0.7685 0.0515 -8.250 -0.8587 0.01517 0.00799 -0.0045 0.7657 0.0596 -8.000 -0.8375 0.01476 0.00757 -0.0037 0.7631 0.0679 -7.750 -0.8158 0.01435 0.00717 -0.0030 0.7605 0.0781 -7.500 -0.7936 0.01393 0.00678 -0.0024 0.7576 0.0892 -7.250 -0.7712 0.01352 0.00641 -0.0018 0.7550 0.1022 -7.000 -0.7483 0.01313 0.00605 -0.0013 0.7525 0.1168 -6.750 -0.7255 0.01272 0.00570 -0.0008 0.7500 0.1344 -6.500 -0.7025 0.01231 0.00536 -0.0003 0.7477 0.1558 -6.250 -0.6785 0.01194 0.00505 0.0001 0.7453 0.1756 -6.000 -0.6544 0.01156 0.00476 0.0004 0.7429 0.1980 -5.750 -0.6300 0.01118 0.00447 0.0007 0.7404 0.2223 -5.250 -0.5803 0.01051 0.00395 0.0012 0.7355 0.2721 -5.000 -0.5553 0.01018 0.00371 0.0015 0.7334 0.3002 -4.750 -0.5299 0.00986 0.00348 0.0017 0.7312 0.3299 -4.500 -0.5040 0.00955 0.00327 0.0018 0.7286 0.3583 -4.250 -0.4781 0.00925 0.00308 0.0019 0.7260 0.3883 -4.000 -0.4519 0.00898 0.00290 0.0020 0.7235 0.4184 -3.750 -0.4254 0.00873 0.00273 0.0020 0.7209 0.4473 -3.500 -0.3988 0.00851 0.00258 0.0021 0.7185 0.4757 -3.250 -0.3719 0.00830 0.00247 0.0022 0.7158 0.5041 -3.000 -0.3445 0.00813 0.00239 0.0021 0.7125 0.5304 -2.750 -0.3167 0.00800 0.00232 0.0021 0.7093 0.5541 -2.500 -0.2887 0.00791 0.00227 0.0020 0.7063 0.5735 -2.250 -0.2605 0.00786 0.00223 0.0019 0.7036 0.5896 -2.000 -0.2318 0.00781 0.00222 0.0018 0.7005 0.6036 -1.750 -0.2029 0.00778 0.00220 0.0015 0.6968 0.6156 -1.500 -0.1741 0.00776 0.00219 0.0013 0.6932 0.6260 -1.250 -0.1453 0.00775 0.00217 0.0012 0.6897 0.6348 -1.000 -0.1163 0.00775 0.00215 0.0009 0.6861 0.6432 -0.750 -0.0872 0.00774 0.00217 0.0007 0.6816 0.6497 -0.500 -0.0581 0.00774 0.00215 0.0004 0.6772 0.6564 -0.250 -0.0292 0.00774 0.00214 0.0003 0.6733 0.6619 0.000 0.0000 0.00774 0.00216 0.0000 0.6680 0.6676 0.250 0.0293 0.00775 0.00214 -0.0003 0.6624 0.6732 0.500 0.0581 0.00774 0.00215 -0.0005 0.6568 0.6773 0.750 0.0872 0.00774 0.00217 -0.0007 0.6493 0.6817 1.000 0.1163 0.00775 0.00215 -0.0009 0.6424 0.6862 1.250 0.1453 0.00775 0.00217 -0.0012 0.6343 0.6897 1.500 0.1742 0.00776 0.00219 -0.0014 0.6260 0.6932 1.750 0.2030 0.00778 0.00220 -0.0015 0.6158 0.6968 2.000 0.2319 0.00781 0.00222 -0.0018 0.6038 0.7005 2.250 0.2605 0.00786 0.00223 -0.0019 0.5896 0.7036 2.500 0.2887 0.00791 0.00227 -0.0020 0.5732 0.7063 2.750 0.3168 0.00800 0.00232 -0.0021 0.5541 0.7093 3.000 0.3446 0.00813 0.00239 -0.0021 0.5307 0.7125 3.250 0.3720 0.00830 0.00247 -0.0022 0.5044 0.7158 3.500 0.3989 0.00851 0.00258 -0.0021 0.4759 0.7185 3.750 0.4255 0.00873 0.00273 -0.0021 0.4475 0.7209 4.000 0.4520 0.00897 0.00290 -0.0020 0.4187 0.7235 4.250 0.4782 0.00925 0.00308 -0.0019 0.3882 0.7260 4.500 0.5042 0.00955 0.00327 -0.0018 0.3584 0.7286 4.750 0.5300 0.00986 0.00348 -0.0017 0.3293 0.7312 5.000 0.5554 0.01019 0.00371 -0.0015 0.2996 0.7334 5.250 0.5803 0.01052 0.00396 -0.0013 0.2707 0.7355 5.500 0.6053 0.01085 0.00421 -0.0010 0.2462 0.7378 5.750 0.6302 0.01118 0.00447 -0.0008 0.2222 0.7404 6.000 0.6546 0.01156 0.00476 -0.0005 0.1981 0.7429 6.250 0.6789 0.01193 0.00505 -0.0002 0.1761 0.7453 6.500 0.7028 0.01231 0.00536 0.0002 0.1559 0.7477 6.750 0.7258 0.01272 0.00570 0.0007 0.1344 0.7500 7.000 0.7487 0.01313 0.00605 0.0012 0.1169 0.7525 7.250 0.7715 0.01352 0.00641 0.0017 0.1020 0.7550 7.500 0.7941 0.01393 0.00678 0.0023 0.0891 0.7576 7.750 0.8163 0.01435 0.00717 0.0029 0.0780 0.7605 8.000 0.8381 0.01476 0.00757 0.0036 0.0680 0.7631 8.250 0.8591 0.01518 0.00799 0.0044 0.0592 0.7657 8.500 0.8792 0.01565 0.00846 0.0053 0.0513 0.7685 8.750 0.8987 0.01612 0.00894 0.0063 0.0444 0.7716 9.000 0.9177 0.01659 0.00942 0.0073 0.0387 0.7751 9.250 0.9346 0.01714 0.00996 0.0086 0.0332 0.7783 9.500 0.9503 0.01759 0.01046 0.0103 0.0298 0.7817 9.750 0.9628 0.01814 0.01103 0.0123 0.0263 0.7855 10.000 0.9760 0.01873 0.01166 0.0141 0.0236 0.7898 10.250 0.9891 0.01935 0.01236 0.0157 0.0216 0.7943 10.500 1.0007 0.02010 0.01315 0.0174 0.0194 0.7996 10.750 1.0139 0.02081 0.01393 0.0188 0.0179 0.8052 11.000 1.0265 0.02156 0.01475 0.0201 0.0162 0.8110 11.250 1.0378 0.02242 0.01566 0.0215 0.0148 0.8181 11.500 1.0492 0.02329 0.01662 0.0228 0.0135 0.8265 11.750 1.0609 0.02414 0.01757 0.0241 0.0122 0.8373 12.250 1.0784 0.02613 0.01980 0.0270 0.0104 0.8766 12.500 1.1014 0.02717 0.02109 0.0256 0.0094 0.9420 12.750 1.1150 0.02838 0.02236 0.0256 0.0085 1.0000 13.000 1.1240 0.02972 0.02375 0.0263 0.0078 1.0000 13.250 1.1315 0.03123 0.02531 0.0271 0.0074 1.0000 13.500 1.1403 0.03264 0.02679 0.0277 0.0070 1.0000 13.750 1.1470 0.03426 0.02850 0.0283 0.0067 1.0000 14.000 1.1535 0.03595 0.03025 0.0287 0.0062 1.0000 14.250 1.1582 0.03785 0.03222 0.0291 0.0059 1.0000 14.500 1.1622 0.03988 0.03433 0.0294 0.0057 1.0000 14.750 1.1643 0.04213 0.03667 0.0295 0.0054 1.0000 15.000 1.1654 0.04460 0.03923 0.0295 0.0050 1.0000 15.250 1.1662 0.04725 0.04199 0.0292 0.0049 1.0000 15.500 1.1655 0.05018 0.04502 0.0287 0.0049 1.0000 15.750 1.1644 0.05330 0.04826 0.0280 0.0046 1.0000 16.000 1.1615 0.05682 0.05189 0.0269 0.0045 1.0000 16.250 1.1588 0.06044 0.05563 0.0256 0.0045 1.0000 16.500 1.1538 0.06457 0.05987 0.0240 0.0044 1.0000 16.750 1.1478 0.06899 0.06441 0.0221 0.0042 1.0000 17.000 1.1397 0.07390 0.06945 0.0199 0.0042 1.0000 17.250 1.1290 0.07943 0.07512 0.0172 0.0042 1.0000 17.500 1.1196 0.08491 0.08072 0.0144 0.0040 1.0000 17.750 1.1041 0.09163 0.08758 0.0109 0.0041 1.0000 18.000 1.0903 0.09826 0.09435 0.0073 0.0040 1.0000 18.250 1.0734 0.10565 0.10188 0.0032 0.0041 1.0000 18.500 1.0558 0.11337 0.10974 -0.0011 0.0040 1.0000 18.750 1.0389 0.12115 0.11765 -0.0055 0.0040 1.0000 19.000 1.0216 0.12919 0.12581 -0.0101 0.0039 1.0000