Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s1091-il-50000 Airfoil,s1091-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,46.0915 Max Cl/Cd alpha,6.25 Url,http://airfoiltools.com/polar/csv?polar=xf-s1091-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.000,-0.3007,0.11553,0.10864,-0.0219,1.0000,0.0908 -7.750,-0.3066,0.11570,0.10894,-0.0218,1.0000,0.0918 -7.500,-0.3145,0.11619,0.10958,-0.0217,1.0000,0.0922 -7.250,-0.3127,0.11393,0.10745,-0.0222,1.0000,0.0929 -7.000,-0.2942,0.10602,0.09951,-0.0191,1.0000,0.0967 -6.750,-0.2927,0.10374,0.09731,-0.0180,1.0000,0.0996 -6.500,-0.2917,0.10193,0.09560,-0.0178,1.0000,0.1027 -6.250,-0.2913,0.10097,0.09475,-0.0187,1.0000,0.1052 -6.000,-0.2898,0.10165,0.09554,-0.0230,1.0000,0.1067 -5.750,-0.2856,0.09704,0.09101,-0.0206,1.0000,0.1083 -5.500,-0.2810,0.09319,0.08722,-0.0176,1.0000,0.1120 -5.250,-0.2768,0.09107,0.08518,-0.0176,1.0000,0.1164 -5.000,-0.2673,0.09100,0.08517,-0.0230,1.0000,0.1208 -4.750,-0.2636,0.08748,0.08175,-0.0217,1.0000,0.1231 -4.500,-0.2610,0.08431,0.07866,-0.0188,1.0000,0.1279 -4.250,-0.2424,0.08389,0.07823,-0.0258,1.0000,0.1354 -4.000,-0.2406,0.08014,0.07458,-0.0231,1.0000,0.1383 -3.750,-0.2347,0.07748,0.07199,-0.0219,1.0000,0.1447 -3.500,-0.2147,0.07550,0.07001,-0.0271,1.0000,0.1520 -3.250,-0.2093,0.07261,0.06719,-0.0251,1.0000,0.1583 -3.000,-0.1872,0.07033,0.06486,-0.0297,1.0000,0.1671 -2.750,-0.1600,0.06839,0.06287,-0.0351,1.0000,0.1798 -2.500,-0.1565,0.06510,0.05968,-0.0320,1.0000,0.1864 -2.250,-0.1348,0.06255,0.05712,-0.0348,1.0000,0.1993 -2.000,-0.1124,0.06009,0.05465,-0.0374,1.0000,0.2141 -1.750,-0.0789,0.05811,0.05259,-0.0430,1.0000,0.2376 -1.500,-0.0625,0.05530,0.04981,-0.0430,1.0000,0.2548 -1.250,-0.0373,0.05307,0.04754,-0.0454,1.0000,0.2824 -1.000,-0.0181,0.05068,0.04518,-0.0458,1.0000,0.3141 -0.750,-0.0004,0.04847,0.04302,-0.0457,1.0000,0.3585 0.500,0.2700,0.03739,0.02968,-0.0842,1.0000,0.1475 0.750,0.3031,0.03598,0.02788,-0.0861,1.0000,0.1405 1.000,0.3362,0.03500,0.02627,-0.0876,1.0000,0.1352 1.250,0.3965,0.03384,0.02449,-0.0935,0.9893,0.1373 1.500,0.4545,0.03340,0.02351,-0.0988,0.9767,0.1656 1.750,0.5091,0.03258,0.02295,-0.1034,0.9642,0.3006 2.000,0.5592,0.03072,0.02198,-0.1071,0.9506,1.0000 2.250,0.6092,0.03157,0.02226,-0.1116,0.9338,1.0000 2.500,0.6515,0.03226,0.02266,-0.1148,0.9150,1.0000 2.750,0.6955,0.03283,0.02303,-0.1179,0.8959,1.0000 3.000,0.7466,0.03316,0.02322,-0.1218,0.8778,1.0000 3.250,0.7834,0.03356,0.02357,-0.1233,0.8564,1.0000 3.500,0.8333,0.03349,0.02349,-0.1262,0.8367,1.0000 3.750,0.8780,0.03333,0.02340,-0.1279,0.8155,1.0000 4.000,0.9324,0.03249,0.02263,-0.1303,0.7944,1.0000 4.250,0.9819,0.03157,0.02181,-0.1315,0.7718,1.0000 4.500,1.0369,0.03003,0.02045,-0.1326,0.7487,1.0000 4.750,1.0775,0.02905,0.01955,-0.1318,0.7209,1.0000 5.000,1.1171,0.02800,0.01854,-0.1305,0.6906,1.0000 5.250,1.1458,0.02755,0.01811,-0.1281,0.6559,1.0000 5.500,1.1756,0.02697,0.01756,-0.1257,0.6189,1.0000 5.750,1.1987,0.02678,0.01731,-0.1227,0.5778,1.0000 6.000,1.2204,0.02668,0.01707,-0.1196,0.5332,1.0000 6.250,1.2394,0.02689,0.01705,-0.1163,0.4843,1.0000 6.500,1.2572,0.02760,0.01745,-0.1132,0.4321,1.0000 6.750,1.2733,0.02887,0.01838,-0.1104,0.3805,1.0000 7.000,1.2905,0.03045,0.01965,-0.1080,0.3358,1.0000 7.250,1.3100,0.03211,0.02096,-0.1062,0.2999,1.0000 7.500,1.3307,0.03390,0.02258,-0.1048,0.2718,1.0000 7.750,1.3514,0.03597,0.02487,-0.1034,0.2510,1.0000 8.000,1.3733,0.03800,0.02696,-0.1023,0.2344,1.0000 8.250,1.3936,0.04003,0.02909,-0.1010,0.2201,1.0000 8.500,1.4136,0.04239,0.03166,-0.0998,0.2094,1.0000 8.750,1.4389,0.04495,0.03422,-0.0994,0.2014,1.0000 9.000,1.4495,0.04814,0.03813,-0.0971,0.1961,1.0000 9.250,1.4648,0.05123,0.04156,-0.0955,0.1911,1.0000 9.500,1.4799,0.05443,0.04499,-0.0942,0.1859,1.0000 9.750,1.4784,0.05820,0.04940,-0.0911,0.1818,1.0000 10.000,1.4826,0.06175,0.05332,-0.0889,0.1777,1.0000 10.250,1.4880,0.06576,0.05765,-0.0870,0.1754,1.0000 10.500,1.5002,0.07022,0.06226,-0.0860,0.1734,1.0000 10.750,1.4866,0.07545,0.06793,-0.0832,0.1733,1.0000 11.000,1.4017,0.08285,0.07593,-0.0775,0.1780,1.0000 11.250,1.3345,0.09147,0.08466,-0.0767,0.1819,1.0000 11.500,1.2874,0.10166,0.09487,-0.0802,0.1850,1.0000 11.750,1.2669,0.11056,0.10379,-0.0835,0.1870,1.0000