XFOIL Version 6.96 Calculated polar for: NREL's S809 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 ------ -------- --------- --------- -------- -------- -------- -17.750 -0.7334 0.11450 0.11152 -0.0393 1.0000 0.0034 -17.500 -0.7171 0.11401 0.11112 -0.0407 1.0000 0.0035 -17.250 -0.7688 0.10115 0.09787 -0.0445 1.0000 0.0035 -17.000 -0.7793 0.09607 0.09267 -0.0463 1.0000 0.0035 -16.750 -0.7913 0.09034 0.08675 -0.0481 0.9846 0.0035 -16.500 -0.7891 0.07979 0.07559 -0.0592 0.9031 0.0035 -16.250 -0.7895 0.07706 0.07208 -0.0597 0.7330 0.0036 -16.000 -0.7967 0.07284 0.06737 -0.0592 0.7122 0.0034 -15.500 -0.7888 0.06843 0.06278 -0.0607 0.6800 0.0038 -15.250 -0.7847 0.06577 0.05985 -0.0602 0.6715 0.0037 -15.000 -0.7775 0.06382 0.05774 -0.0603 0.6627 0.0038 -14.750 -0.7697 0.06193 0.05573 -0.0605 0.6565 0.0040 -14.500 -0.7572 0.06047 0.05407 -0.0599 0.6506 0.0039 -14.250 -0.7447 0.05914 0.05259 -0.0596 0.6454 0.0039 -14.000 -0.7300 0.05811 0.05142 -0.0590 0.6415 0.0040 -13.750 -0.7181 0.05671 0.04992 -0.0591 0.6377 0.0043 -13.500 -0.7036 0.05570 0.04880 -0.0588 0.6341 0.0043 -13.250 -0.6868 0.05507 0.04806 -0.0579 0.6312 0.0044 -12.750 -0.6571 0.05328 0.04610 -0.0572 0.6261 0.0045 -12.500 -0.6426 0.05236 0.04512 -0.0568 0.6239 0.0047 -12.250 -0.6288 0.05143 0.04412 -0.0563 0.6218 0.0047 -12.000 -0.6154 0.05043 0.04305 -0.0559 0.6199 0.0048 -11.750 -0.6010 0.04940 0.04197 -0.0558 0.6180 0.0049 -11.500 -0.5903 0.04826 0.04079 -0.0552 0.6162 0.0049 -11.250 -0.5788 0.04710 0.03959 -0.0549 0.6146 0.0052 -11.000 -0.5685 0.04586 0.03833 -0.0544 0.6131 0.0055 -10.750 -0.5549 0.04483 0.03726 -0.0542 0.6118 0.0056 -10.500 -0.5449 0.04354 0.03594 -0.0537 0.6106 0.0058 -10.250 -0.5346 0.04230 0.03466 -0.0532 0.6094 0.0060 -10.000 -0.5239 0.04106 0.03339 -0.0528 0.6082 0.0060 -9.750 -0.5163 0.03961 0.03190 -0.0522 0.6071 0.0064 -9.500 -0.5070 0.03832 0.03058 -0.0516 0.6059 0.0066 -9.250 -0.4969 0.03711 0.02933 -0.0511 0.6049 0.0065 -9.000 -0.4868 0.03590 0.02808 -0.0505 0.6038 0.0068 -8.750 -0.4785 0.03459 0.02672 -0.0498 0.6027 0.0068 -8.500 -0.4709 0.03328 0.02538 -0.0490 0.6017 0.0074 -8.250 -0.4630 0.03202 0.02409 -0.0481 0.6007 0.0078 -8.000 -0.4555 0.03080 0.02283 -0.0472 0.5998 0.0091 -7.750 -0.4463 0.02972 0.02171 -0.0463 0.5989 0.0092 -7.500 -0.4395 0.02850 0.02044 -0.0452 0.5981 0.0101 -7.250 -0.4332 0.02728 0.01919 -0.0441 0.5971 0.0121 -7.000 -0.4276 0.02602 0.01791 -0.0429 0.5960 0.0149 -6.750 -0.4218 0.02475 0.01665 -0.0416 0.5953 0.0192 -6.500 -0.4189 0.02333 0.01525 -0.0401 0.5945 0.0282 -6.250 -0.4218 0.02157 0.01355 -0.0382 0.5937 0.0459 -6.000 -0.4437 0.01879 0.01092 -0.0346 0.5930 0.0883 -5.750 -0.4612 0.01623 0.00841 -0.0322 0.5923 0.1260 -5.500 -0.4888 0.01201 0.00493 -0.0293 0.5915 0.3287 -5.250 -0.4725 0.01078 0.00427 -0.0292 0.5907 0.4616 -5.000 -0.4429 0.01101 0.00452 -0.0298 0.5900 0.4817 -4.750 -0.4132 0.01127 0.00472 -0.0303 0.5892 0.4920 -4.500 -0.3833 0.01152 0.00493 -0.0309 0.5885 0.4981 -4.250 -0.3542 0.01147 0.00480 -0.0315 0.5878 0.4994 -4.000 -0.3251 0.01141 0.00467 -0.0321 0.5871 0.5005 -3.750 -0.2959 0.01135 0.00453 -0.0327 0.5864 0.5015 -3.500 -0.2666 0.01130 0.00441 -0.0334 0.5858 0.5023 -3.250 -0.2374 0.01125 0.00429 -0.0340 0.5851 0.5031 -3.000 -0.2081 0.01119 0.00421 -0.0346 0.5845 0.5039 -2.750 -0.1788 0.01116 0.00415 -0.0352 0.5839 0.5047 -2.500 -0.1495 0.01113 0.00410 -0.0358 0.5833 0.5055 -2.250 -0.1200 0.01112 0.00406 -0.0364 0.5827 0.5063 -2.000 -0.0906 0.01112 0.00403 -0.0371 0.5822 0.5071 -1.750 -0.0611 0.01112 0.00401 -0.0377 0.5816 0.5079 -1.500 -0.0316 0.01113 0.00400 -0.0384 0.5810 0.5089 -1.250 -0.0020 0.01116 0.00401 -0.0390 0.5804 0.5100 -1.000 0.0275 0.01116 0.00401 -0.0397 0.5799 0.5110 -0.750 0.0570 0.01115 0.00400 -0.0403 0.5793 0.5121 -0.500 0.0864 0.01115 0.00400 -0.0409 0.5787 0.5130 -0.250 0.1160 0.01115 0.00400 -0.0416 0.5782 0.5140 0.000 0.1455 0.01116 0.00401 -0.0423 0.5777 0.5149 0.250 0.1751 0.01117 0.00403 -0.0429 0.5772 0.5158 0.500 0.2046 0.01119 0.00405 -0.0436 0.5767 0.5166 0.750 0.2342 0.01121 0.00408 -0.0442 0.5761 0.5174 1.000 0.2636 0.01122 0.00412 -0.0448 0.5756 0.5183 1.250 0.2929 0.01123 0.00419 -0.0455 0.5750 0.5193 1.500 0.3223 0.01126 0.00426 -0.0461 0.5745 0.5203 1.750 0.3517 0.01129 0.00434 -0.0467 0.5737 0.5212 2.000 0.3810 0.01132 0.00442 -0.0473 0.5729 0.5220 2.250 0.4104 0.01136 0.00451 -0.0479 0.5721 0.5229 2.500 0.4397 0.01139 0.00458 -0.0484 0.5710 0.5238 2.750 0.4690 0.01142 0.00464 -0.0490 0.5697 0.5247 3.000 0.4984 0.01144 0.00470 -0.0496 0.5684 0.5257 3.250 0.5278 0.01149 0.00478 -0.0502 0.5672 0.5268 3.500 0.5572 0.01153 0.00485 -0.0507 0.5654 0.5280 3.750 0.5856 0.01152 0.00491 -0.0511 0.5625 0.5291 4.000 0.6137 0.01144 0.00491 -0.0514 0.5583 0.5301 4.250 0.6423 0.01135 0.00485 -0.0517 0.5536 0.5310 4.500 0.6710 0.01128 0.00478 -0.0521 0.5490 0.5318 4.750 0.6985 0.01119 0.00480 -0.0522 0.5428 0.5326 5.000 0.7262 0.01104 0.00471 -0.0523 0.5356 0.5335 5.250 0.7540 0.01097 0.00475 -0.0526 0.5279 0.5345 5.500 0.7816 0.01090 0.00475 -0.0527 0.5198 0.5354 5.750 0.8089 0.01084 0.00478 -0.0528 0.5052 0.5364 6.000 0.8280 0.01095 0.00466 -0.0514 0.4383 0.5375 6.250 0.8359 0.01198 0.00528 -0.0484 0.3593 0.5386 6.500 0.8458 0.01291 0.00595 -0.0459 0.2986 0.5396 6.750 0.8559 0.01376 0.00658 -0.0434 0.2485 0.5406 7.000 0.8655 0.01454 0.00718 -0.0408 0.2073 0.5416 7.250 0.8733 0.01528 0.00777 -0.0380 0.1719 0.5425 7.500 0.8762 0.01595 0.00832 -0.0342 0.1440 0.5434 7.750 0.8799 0.01676 0.00902 -0.0308 0.1195 0.5443 8.000 0.8860 0.01758 0.00977 -0.0281 0.0997 0.5453 8.250 0.8919 0.01847 0.01060 -0.0255 0.0835 0.5461 8.500 0.8990 0.01939 0.01149 -0.0234 0.0714 0.5470 8.750 0.9068 0.02037 0.01246 -0.0216 0.0621 0.5477 9.000 0.9145 0.02145 0.01355 -0.0200 0.0541 0.5487 9.250 0.9228 0.02260 0.01472 -0.0188 0.0474 0.5497 9.500 0.9320 0.02379 0.01594 -0.0177 0.0412 0.5508 9.750 0.9410 0.02505 0.01722 -0.0168 0.0362 0.5520 10.000 0.9507 0.02631 0.01850 -0.0160 0.0319 0.5531 10.250 0.9605 0.02758 0.01982 -0.0152 0.0287 0.5543 10.500 0.9714 0.02880 0.02109 -0.0145 0.0264 0.5556 10.750 0.9805 0.03015 0.02246 -0.0138 0.0240 0.5568 11.000 0.9911 0.03142 0.02378 -0.0132 0.0221 0.5580 11.250 1.0010 0.03275 0.02515 -0.0126 0.0202 0.5591 11.500 1.0102 0.03414 0.02658 -0.0119 0.0191 0.5602 11.750 1.0198 0.03552 0.02800 -0.0114 0.0177 0.5613 12.000 1.0300 0.03688 0.02944 -0.0109 0.0166 0.5624 12.250 1.0394 0.03832 0.03092 -0.0104 0.0158 0.5633 12.500 1.0479 0.03983 0.03250 -0.0099 0.0150 0.5646 12.750 1.0550 0.04152 0.03424 -0.0095 0.0142 0.5657 13.000 1.0647 0.04301 0.03583 -0.0092 0.0137 0.5670 13.250 1.0740 0.04459 0.03749 -0.0089 0.0129 0.5684 13.500 1.0831 0.04620 0.03917 -0.0087 0.0124 0.5697 13.750 1.0915 0.04793 0.04096 -0.0085 0.0118 0.5712 14.000 1.0985 0.04983 0.04293 -0.0084 0.0113 0.5726 14.250 1.1040 0.05192 0.04509 -0.0083 0.0109 0.5742 14.500 1.1147 0.05355 0.04680 -0.0084 0.0102 0.5760 14.750 1.1211 0.05564 0.04898 -0.0084 0.0100 0.5775 15.250 1.1358 0.05978 0.05328 -0.0088 0.0091 0.5808 15.500 1.1427 0.06193 0.05551 -0.0091 0.0088 0.5825 15.750 1.1467 0.06449 0.05815 -0.0094 0.0084 0.5842 16.000 1.1522 0.06692 0.06067 -0.0099 0.0080 0.5860 16.250 1.1563 0.06959 0.06345 -0.0104 0.0078 0.5879 16.500 1.1644 0.07180 0.06577 -0.0110 0.0072 0.5899 16.750 1.1678 0.07466 0.06873 -0.0117 0.0069 0.5918 17.000 1.1732 0.07729 0.07143 -0.0125 0.0065 0.5937 17.250 1.1753 0.08045 0.07469 -0.0135 0.0063 0.5956 17.500 1.1751 0.08400 0.07833 -0.0146 0.0060 0.5976 17.750 1.1765 0.08741 0.08187 -0.0159 0.0058 0.5998 18.000 1.1770 0.09103 0.08562 -0.0172 0.0056 0.6021 18.250 1.1764 0.09487 0.08958 -0.0188 0.0055 0.6044 18.500 1.1740 0.09910 0.09394 -0.0206 0.0054 0.6067 18.750 1.1731 0.10316 0.09812 -0.0224 0.0051 0.6090 19.000 1.1693 0.10779 0.10288 -0.0246 0.0050 0.6112 19.250 1.1670 0.11219 0.10741 -0.0268 0.0048 0.6138