Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s820-nr-1000000-n5 Airfoil,s820-nr Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,109.839 Max Cl/Cd alpha,3.75 Url,http://airfoiltools.com/polar/csv?polar=xf-s820-nr-1000000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -11.500,-0.2859,0.08197,0.07937,-0.0962,0.7902,0.0047 -11.250,-0.2955,0.07369,0.07104,-0.1018,0.7870,0.0047 -11.000,-0.3148,0.06681,0.06408,-0.1054,0.7838,0.0047 -10.750,-0.3296,0.06218,0.05937,-0.1074,0.7806,0.0047 -10.500,-0.3486,0.05761,0.05470,-0.1083,0.7771,0.0047 -10.250,-0.3637,0.05411,0.05109,-0.1082,0.7736,0.0047 -10.000,-0.3778,0.05103,0.04789,-0.1073,0.7703,0.0047 -9.750,-0.3933,0.04794,0.04469,-0.1057,0.7673,0.0047 -9.500,-0.4039,0.04557,0.04221,-0.1035,0.7642,0.0047 -9.250,-0.4165,0.04326,0.03977,-0.1003,0.7611,0.0047 -9.000,-0.4255,0.04130,0.03767,-0.0967,0.7583,0.0047 -8.000,-0.4390,0.02609,0.02139,-0.0838,0.7485,0.0027 -7.750,-0.4271,0.02311,0.01810,-0.0819,0.7465,0.0026 -7.500,-0.4093,0.02060,0.01530,-0.0805,0.7446,0.0025 -7.250,-0.3880,0.01841,0.01283,-0.0796,0.7428,0.0024 -7.000,-0.3651,0.01683,0.01105,-0.0790,0.7411,0.0024 -6.750,-0.3420,0.01579,0.00988,-0.0784,0.7395,0.0024 -6.500,-0.3198,0.01486,0.00885,-0.0777,0.7376,0.0024 -6.250,-0.2995,0.01395,0.00784,-0.0767,0.7355,0.0024 -6.000,-0.2788,0.01330,0.00711,-0.0758,0.7334,0.0024 -5.750,-0.2582,0.01270,0.00644,-0.0749,0.7314,0.0024 -5.500,-0.2378,0.01211,0.00576,-0.0739,0.7296,0.0024 -5.250,-0.2157,0.01167,0.00526,-0.0732,0.7278,0.0024 -5.000,-0.1929,0.01124,0.00478,-0.0727,0.7262,0.0025 -4.750,-0.1690,0.01087,0.00437,-0.0723,0.7246,0.0025 -4.500,-0.1446,0.01052,0.00399,-0.0720,0.7228,0.0026 -4.250,-0.1194,0.01022,0.00365,-0.0718,0.7209,0.0027 -4.000,-0.0936,0.00999,0.00338,-0.0718,0.7190,0.0028 -3.750,-0.0681,0.00970,0.00305,-0.0716,0.7170,0.0032 -3.500,-0.0416,0.00952,0.00284,-0.0717,0.7151,0.0039 -3.250,-0.0147,0.00937,0.00266,-0.0718,0.7134,0.0047 -3.000,0.0124,0.00921,0.00250,-0.0719,0.7118,0.0072 -2.750,0.0394,0.00902,0.00236,-0.0721,0.7102,0.0178 -2.500,0.0501,0.00689,0.00165,-0.0707,0.7082,0.4186 -2.250,0.0727,0.00617,0.00156,-0.0704,0.7063,0.6089 -2.000,0.1016,0.00617,0.00157,-0.0708,0.7044,0.6244 -1.750,0.1306,0.00617,0.00154,-0.0712,0.7025,0.6287 -1.500,0.1597,0.00617,0.00149,-0.0717,0.7006,0.6309 -1.250,0.1888,0.00619,0.00146,-0.0722,0.6988,0.6331 -1.000,0.2181,0.00619,0.00144,-0.0727,0.6972,0.6350 -0.750,0.2474,0.00620,0.00143,-0.0733,0.6955,0.6368 -0.500,0.2765,0.00619,0.00142,-0.0738,0.6935,0.6386 -0.250,0.3056,0.00619,0.00142,-0.0742,0.6914,0.6406 0.000,0.3346,0.00619,0.00142,-0.0747,0.6894,0.6428 0.250,0.3636,0.00621,0.00142,-0.0752,0.6875,0.6450 0.500,0.3926,0.00623,0.00143,-0.0757,0.6856,0.6472 0.750,0.4216,0.00626,0.00145,-0.0762,0.6837,0.6493 1.000,0.4507,0.00628,0.00147,-0.0767,0.6817,0.6511 1.250,0.4796,0.00628,0.00150,-0.0772,0.6795,0.6531 1.500,0.5083,0.00629,0.00153,-0.0776,0.6763,0.6551 1.750,0.5364,0.00631,0.00154,-0.0779,0.6711,0.6572 2.000,0.5644,0.00632,0.00156,-0.0782,0.6622,0.6597 2.250,0.5917,0.00635,0.00157,-0.0783,0.6518,0.6621 2.500,0.6189,0.00641,0.00159,-0.0784,0.6424,0.6645 2.750,0.6467,0.00646,0.00165,-0.0786,0.6330,0.6665 3.000,0.6737,0.00651,0.00171,-0.0787,0.6233,0.6687 3.250,0.7003,0.00659,0.00178,-0.0788,0.6131,0.6709 3.500,0.7266,0.00669,0.00186,-0.0787,0.6004,0.6733 3.750,0.7513,0.00684,0.00197,-0.0784,0.5789,0.6757 4.000,0.7725,0.00712,0.00212,-0.0774,0.5428,0.6781 4.250,0.7893,0.00759,0.00237,-0.0755,0.4923,0.6803 4.500,0.8020,0.00820,0.00274,-0.0730,0.4355,0.6826 4.750,0.8139,0.00881,0.00313,-0.0703,0.3820,0.6852 5.000,0.8284,0.00927,0.00344,-0.0681,0.3437,0.6881 5.250,0.8382,0.00980,0.00379,-0.0651,0.3012,0.6910 5.500,0.8482,0.01022,0.00409,-0.0620,0.2714,0.6938 5.750,0.8592,0.01071,0.00447,-0.0592,0.2428,0.6962 6.000,0.8726,0.01115,0.00484,-0.0569,0.2205,0.6989 6.250,0.8847,0.01165,0.00526,-0.0544,0.1963,0.7017 6.500,0.8981,0.01214,0.00568,-0.0523,0.1750,0.7046 6.750,0.9122,0.01263,0.00611,-0.0504,0.1574,0.7075 7.000,0.9258,0.01316,0.00658,-0.0484,0.1400,0.7102 7.250,0.9403,0.01367,0.00705,-0.0467,0.1252,0.7131 7.500,0.9549,0.01419,0.00754,-0.0450,0.1124,0.7164 7.750,0.9688,0.01477,0.00808,-0.0433,0.0982,0.7199 8.000,0.9835,0.01535,0.00863,-0.0418,0.0872,0.7233 8.250,0.9989,0.01591,0.00918,-0.0404,0.0780,0.7263 8.500,1.0122,0.01658,0.00982,-0.0387,0.0659,0.7297 8.750,1.0282,0.01714,0.01039,-0.0375,0.0599,0.7333 9.000,1.0417,0.01785,0.01106,-0.0360,0.0502,0.7370 9.250,1.0556,0.01857,0.01175,-0.0346,0.0419,0.7405 9.500,1.0709,0.01920,0.01241,-0.0335,0.0364,0.7443 9.750,1.0837,0.02001,0.01320,-0.0320,0.0283,0.7488 10.000,1.0958,0.02087,0.01403,-0.0305,0.0207,0.7533 10.250,1.1092,0.02168,0.01484,-0.0293,0.0164,0.7579 10.500,1.1220,0.02253,0.01571,-0.0280,0.0124,0.7630 10.750,1.1354,0.02337,0.01657,-0.0268,0.0094,0.7681 11.000,1.1498,0.02415,0.01740,-0.0257,0.0082,0.7734 11.250,1.1618,0.02511,0.01838,-0.0245,0.0054,0.7799 11.500,1.1759,0.02593,0.01928,-0.0235,0.0049,0.7863 11.750,1.1887,0.02685,0.02025,-0.0224,0.0039,0.7938 12.000,1.2021,0.02775,0.02121,-0.0214,0.0031,0.8012 12.250,1.2144,0.02874,0.02227,-0.0204,0.0026,0.8100 12.500,1.2272,0.02970,0.02331,-0.0194,0.0019,0.8197 12.750,1.2391,0.03072,0.02442,-0.0184,0.0016,0.8321 13.000,1.2487,0.03191,0.02570,-0.0172,0.0008,0.8478 13.250,1.2591,0.03299,0.02691,-0.0160,0.0007,0.8708 13.500,1.2704,0.03397,0.02818,-0.0150,0.0007,0.9519 13.750,1.2831,0.03525,0.02953,-0.0147,0.0005,1.0000 14.000,1.2936,0.03658,0.03092,-0.0140,0.0005,1.0000 14.250,1.3036,0.03799,0.03239,-0.0133,0.0004,1.0000 14.500,1.3113,0.03962,0.03410,-0.0125,0.0003,1.0000 14.750,1.3212,0.04109,0.03563,-0.0119,0.0003,1.0000 15.000,1.3290,0.04276,0.03737,-0.0112,0.0003,1.0000 15.250,1.3326,0.04492,0.03964,-0.0104,0.0002,1.0000 15.500,1.3399,0.04675,0.04154,-0.0099,0.0001,1.0000 15.750,1.3464,0.04870,0.04357,-0.0095,0.0001,1.0000 16.000,1.3503,0.05096,0.04594,-0.0091,0.0001,1.0000 16.250,1.3561,0.05306,0.04813,-0.0089,0.0001,1.0000 16.500,1.3589,0.05556,0.05072,-0.0086,0.0001,1.0000 16.750,1.3604,0.05830,0.05357,-0.0085,0.0001,1.0000 17.000,1.3638,0.06085,0.05621,-0.0086,0.0001,1.0000 17.250,1.3652,0.06371,0.05917,-0.0088,0.0001,1.0000 17.500,1.3651,0.06683,0.06239,-0.0091,0.0001,1.0000 17.750,1.3624,0.07042,0.06610,-0.0096,0.0001,1.0000 18.000,1.3577,0.07438,0.07020,-0.0104,0.0001,1.0000 18.250,1.3508,0.07884,0.07479,-0.0115,0.0001,1.0000 18.500,1.3501,0.08243,0.07847,-0.0126,0.0001,1.0000 18.750,1.3397,0.08769,0.08388,-0.0143,0.0001,1.0000 19.000,1.3321,0.09269,0.08900,-0.0162,0.0001,1.0000