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 = 1.000 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.750 -0.8751 0.11957 0.11690 -0.0318 1.0000 0.0020 -19.500 -0.8890 0.11364 0.11082 -0.0341 1.0000 0.0020 -19.250 -0.9061 0.10746 0.10444 -0.0360 1.0000 0.0020 -19.000 -0.9068 0.10385 0.10080 -0.0375 1.0000 0.0021 -18.750 -0.9246 0.09801 0.09470 -0.0387 0.9999 0.0020 -18.500 -0.8851 0.09171 0.08754 -0.0517 0.7549 0.0021 -18.250 -0.8886 0.08834 0.08388 -0.0523 0.7022 0.0022 -18.000 -0.8909 0.08488 0.08020 -0.0531 0.6834 0.0022 -17.750 -0.8925 0.08161 0.07671 -0.0536 0.6703 0.0021 -17.500 -0.8836 0.07955 0.07462 -0.0547 0.6581 0.0022 -17.250 -0.8817 0.07679 0.07169 -0.0551 0.6488 0.0023 -17.000 -0.8757 0.07448 0.06929 -0.0558 0.6415 0.0023 -16.750 -0.8673 0.07250 0.06724 -0.0563 0.6355 0.0023 -16.500 -0.8632 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0.5888 0.0031 -11.250 -0.6259 0.04201 0.03530 -0.0541 0.5877 0.0032 -11.000 -0.6181 0.04057 0.03383 -0.0535 0.5867 0.0033 -10.750 -0.6046 0.03954 0.03277 -0.0533 0.5857 0.0033 -10.500 -0.5989 0.03800 0.03118 -0.0526 0.5847 0.0033 -10.250 -0.5901 0.03670 0.02986 -0.0519 0.5837 0.0035 -10.000 -0.5786 0.03559 0.02871 -0.0515 0.5827 0.0035 -9.750 -0.5735 0.03405 0.02713 -0.0506 0.5818 0.0037 -9.500 -0.5632 0.03292 0.02597 -0.0499 0.5808 0.0038 -9.250 -0.5504 0.03196 0.02500 -0.0495 0.5801 0.0039 -9.000 -0.5415 0.03074 0.02376 -0.0487 0.5795 0.0039 -8.750 -0.5305 0.02970 0.02271 -0.0481 0.5790 0.0042 -8.500 -0.5238 0.02846 0.02144 -0.0470 0.5785 0.0043 -8.250 -0.5150 0.02735 0.02031 -0.0461 0.5778 0.0046 -8.000 -0.5082 0.02613 0.01906 -0.0449 0.5771 0.0049 -7.750 -0.4995 0.02504 0.01795 -0.0439 0.5763 0.0048 -7.500 -0.4916 0.02391 0.01680 -0.0428 0.5757 0.0049 -7.250 -0.4858 0.02266 0.01553 -0.0415 0.5749 0.0052 -7.000 -0.4793 0.02145 0.01429 -0.0402 0.5741 0.0056 -6.750 -0.4725 0.02027 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0.00822 0.00233 -0.0382 0.5628 0.4936 -1.750 -0.0589 0.00821 0.00232 -0.0388 0.5624 0.4945 -1.500 -0.0290 0.00820 0.00231 -0.0395 0.5620 0.4953 -1.250 0.0008 0.00820 0.00230 -0.0402 0.5616 0.4962 -1.000 0.0306 0.00820 0.00230 -0.0408 0.5612 0.4971 -0.750 0.0605 0.00821 0.00230 -0.0415 0.5607 0.4980 -0.500 0.0903 0.00821 0.00230 -0.0422 0.5602 0.4990 -0.250 0.1202 0.00822 0.00231 -0.0429 0.5596 0.4999 0.000 0.1500 0.00823 0.00232 -0.0435 0.5590 0.5007 0.250 0.1799 0.00824 0.00233 -0.0442 0.5585 0.5014 0.500 0.2097 0.00826 0.00235 -0.0449 0.5581 0.5020 0.750 0.2396 0.00827 0.00237 -0.0455 0.5576 0.5026 1.000 0.2694 0.00828 0.00240 -0.0462 0.5572 0.5033 1.250 0.2991 0.00828 0.00243 -0.0468 0.5567 0.5043 1.500 0.3289 0.00829 0.00247 -0.0475 0.5562 0.5053 1.750 0.3586 0.00831 0.00251 -0.0481 0.5558 0.5063 2.000 0.3884 0.00833 0.00256 -0.0488 0.5551 0.5073 2.250 0.4181 0.00834 0.00261 -0.0494 0.5543 0.5083 2.500 0.4477 0.00836 0.00265 -0.0500 0.5532 0.5092 2.750 0.4773 0.00837 0.00269 -0.0506 0.5514 0.5100 3.000 0.5066 0.00841 0.00273 -0.0512 0.5487 0.5108 3.250 0.5360 0.00834 0.00273 -0.0517 0.5455 0.5117 3.500 0.5653 0.00829 0.00272 -0.0522 0.5414 0.5125 3.750 0.5945 0.00825 0.00271 -0.0527 0.5372 0.5135 4.000 0.6235 0.00825 0.00272 -0.0531 0.5327 0.5144 4.250 0.6531 0.00822 0.00275 -0.0537 0.5269 0.5153 4.500 0.6817 0.00820 0.00274 -0.0541 0.5187 0.5161 4.750 0.7109 0.00820 0.00278 -0.0545 0.5081 0.5167 5.000 0.7391 0.00823 0.00281 -0.0549 0.4914 0.5172 5.250 0.7568 0.00889 0.00309 -0.0534 0.4084 0.5178 5.500 0.7708 0.00986 0.00368 -0.0515 0.3265 0.5188 5.750 0.7870 0.01062 0.00418 -0.0500 0.2665 0.5197 6.250 0.8229 0.01176 0.00501 -0.0475 0.1877 0.5216 6.500 0.8399 0.01232 0.00543 -0.0460 0.1547 0.5226 6.750 0.8535 0.01297 0.00591 -0.0441 0.1197 0.5236 7.000 0.8687 0.01350 0.00635 -0.0423 0.0963 0.5246 7.250 0.8838 0.01397 0.00676 -0.0405 0.0801 0.5255 7.500 0.8955 0.01438 0.00713 -0.0380 0.0683 0.5264 7.750 0.9067 0.01484 0.00756 -0.0356 0.0581 0.5272 8.000 0.9195 0.01534 0.00805 -0.0335 0.0501 0.5281 8.250 0.9317 0.01589 0.00859 -0.0315 0.0431 0.5289 8.500 0.9430 0.01650 0.00919 -0.0294 0.0370 0.5296 8.750 0.9555 0.01711 0.00981 -0.0277 0.0328 0.5304 9.000 0.9664 0.01783 0.01053 -0.0259 0.0288 0.5311 9.250 0.9779 0.01858 0.01130 -0.0244 0.0261 0.5317 9.500 0.9879 0.01948 0.01221 -0.0228 0.0231 0.5323 9.750 0.9992 0.02039 0.01316 -0.0217 0.0210 0.5330 10.000 1.0095 0.02145 0.01424 -0.0205 0.0191 0.5341 10.250 1.0212 0.02248 0.01532 -0.0197 0.0175 0.5352 10.500 1.0332 0.02354 0.01642 -0.0189 0.0163 0.5364 10.750 1.0434 0.02475 0.01766 -0.0181 0.0147 0.5377 11.000 1.0552 0.02588 0.01883 -0.0174 0.0138 0.5388 11.250 1.0669 0.02703 0.02003 -0.0168 0.0130 0.5399 11.500 1.0763 0.02835 0.02136 -0.0161 0.0111 0.5409 11.750 1.0876 0.02955 0.02261 -0.0155 0.0107 0.5420 12.000 1.0990 0.03076 0.02386 -0.0149 0.0100 0.5430 12.250 1.1095 0.03204 0.02518 -0.0144 0.0093 0.5439 12.500 1.1200 0.03334 0.02651 -0.0138 0.0090 0.5449 12.750 1.1294 0.03471 0.02790 -0.0133 0.0080 0.5458 13.000 1.1398 0.03606 0.02930 -0.0128 0.0079 0.5466 13.250 1.1499 0.03743 0.03071 -0.0124 0.0074 0.5475 13.750 1.1694 0.04030 0.03369 -0.0117 0.0068 0.5497 14.000 1.1782 0.04185 0.03529 -0.0113 0.0063 0.5510 14.250 1.1868 0.04348 0.03698 -0.0111 0.0060 0.5524 14.500 1.1971 0.04499 0.03854 -0.0109 0.0057 0.5538 14.750 1.2060 0.04666 0.04027 -0.0108 0.0057 0.5550 15.000 1.2151 0.04834 0.04202 -0.0107 0.0054 0.5565 15.250 1.2240 0.05007 0.04381 -0.0106 0.0052 0.5580 15.500 1.2322 0.05191 0.04572 -0.0106 0.0050 0.5595 15.750 1.2399 0.05381 0.04769 -0.0107 0.0048 0.5610 16.000 1.2476 0.05578 0.04971 -0.0108 0.0046 0.5623 16.500 1.2607 0.06007 0.05412 -0.0112 0.0041 0.5654 16.750 1.2664 0.06238 0.05651 -0.0115 0.0040 0.5672 17.000 1.2727 0.06464 0.05885 -0.0119 0.0038 0.5690 17.250 1.2783 0.06706 0.06135 -0.0124 0.0037 0.5708 17.500 1.2827 0.06965 0.06402 -0.0129 0.0035 0.5727 17.750 1.2871 0.07230 0.06675 -0.0135 0.0033 0.5745 18.000 1.2902 0.07518 0.06970 -0.0143 0.0032 0.5764 18.250 1.2924 0.07820 0.07281 -0.0151 0.0031 0.5779 18.750 1.2947 0.08479 0.07958 -0.0173 0.0028 0.5819 19.000 1.2945 0.08840 0.08329 -0.0186 0.0027 0.5842 19.250 1.2943 0.09204 0.08702 -0.0200 0.0026 0.5865