Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s809-nr-1000000-n5 Airfoil,s809-nr Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,89.8056 Max Cl/Cd alpha,5 Url,http://airfoiltools.com/polar/csv?polar=xf-s809-nr-1000000-n5 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,-0.8632,0.07022,0.06476,-0.0562,0.6299,0.0023 -16.250,-0.8546,0.06832,0.06279,-0.0566,0.6258,0.0024 -16.000,-0.8482,0.06653,0.06082,-0.0561,0.6222,0.0022 -15.750,-0.8358,0.06481,0.05913,-0.0572,0.6186,0.0026 -15.500,-0.8258,0.06325,0.05746,-0.0572,0.6153,0.0026 -15.000,-0.8040,0.06040,0.05444,-0.0571,0.6101,0.0026 -14.750,-0.7918,0.05901,0.05299,-0.0573,0.6082,0.0028 -14.500,-0.7812,0.05774,0.05163,-0.0568,0.6060,0.0026 -14.250,-0.7690,0.05643,0.05027,-0.0569,0.6040,0.0026 -14.000,-0.7584,0.05514,0.04890,-0.0565,0.6022,0.0026 -13.750,-0.7434,0.05398,0.04771,-0.0568,0.6002,0.0029 -13.500,-0.7308,0.05282,0.04649,-0.0567,0.5983,0.0029 -13.000,-0.7059,0.05051,0.04407,-0.0562,0.5954,0.0031 -12.750,-0.6958,0.04920,0.04272,-0.0558,0.5944,0.0030 -12.500,-0.6830,0.04805,0.04153,-0.0557,0.5932,0.0031 -12.250,-0.6730,0.04674,0.04017,-0.0553,0.5921,0.0031 -12.000,-0.6614,0.04550,0.03890,-0.0551,0.5910,0.0031 -11.750,-0.6480,0.04443,0.03779,-0.0549,0.5899,0.0032 -11.500,-0.6401,0.04299,0.03632,-0.0543,0.5888,0.0031 -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,-0.4725,0.02027,0.01310,-0.0389,0.5735,0.0061 -6.500,-0.4658,0.01908,0.01188,-0.0375,0.5728,0.0070 -6.250,-0.4617,0.01778,0.01056,-0.0358,0.5721,0.0090 -6.000,-0.4621,0.01645,0.00922,-0.0335,0.5715,0.0119 -5.750,-0.4545,0.01515,0.00789,-0.0330,0.5709,0.0152 -5.500,-0.4396,0.01421,0.00693,-0.0329,0.5702,0.0253 -5.250,-0.4256,0.01325,0.00609,-0.0324,0.5696,0.0628 -5.000,-0.4405,0.00889,0.00295,-0.0304,0.5690,0.3793 -4.750,-0.4153,0.00826,0.00258,-0.0309,0.5684,0.4470 -4.500,-0.3861,0.00821,0.00259,-0.0315,0.5677,0.4685 -4.250,-0.3562,0.00830,0.00268,-0.0322,0.5671,0.4824 -4.000,-0.3263,0.00836,0.00268,-0.0329,0.5665,0.4866 -3.750,-0.2966,0.00836,0.00262,-0.0335,0.5658,0.4876 -3.500,-0.2670,0.00836,0.00256,-0.0342,0.5651,0.4883 -3.250,-0.2374,0.00833,0.00251,-0.0348,0.5645,0.4892 -3.000,-0.2077,0.00829,0.00246,-0.0355,0.5642,0.4902 -2.750,-0.1780,0.00826,0.00242,-0.0362,0.5639,0.4911 -2.500,-0.1483,0.00824,0.00238,-0.0368,0.5636,0.4920 -2.250,-0.1185,0.00823,0.00235,-0.0375,0.5632,0.4928 -2.000,-0.0887,0.00822,0.00233,-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