Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-raf27-il-100000 Airfoil,raf27-il Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,39.5032 Max Cl/Cd alpha,4.25 Url,http://airfoiltools.com/polar/csv?polar=xf-raf27-il-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.500,-0.6443,0.09158,0.08662,-0.0105,1.0000,0.1673 -9.250,-0.7829,0.06509,0.05965,-0.0280,1.0000,0.0811 -9.000,-0.8126,0.05769,0.05160,-0.0252,1.0000,0.0686 -8.750,-0.8123,0.05318,0.04688,-0.0235,1.0000,0.0678 -8.500,-0.8119,0.04915,0.04252,-0.0212,1.0000,0.0675 -8.250,-0.8079,0.04512,0.03816,-0.0190,1.0000,0.0667 -8.000,-0.8016,0.04129,0.03392,-0.0165,1.0000,0.0657 -7.750,-0.7922,0.03786,0.03005,-0.0140,1.0000,0.0652 -7.500,-0.7797,0.03487,0.02660,-0.0116,1.0000,0.0657 -7.250,-0.7652,0.03284,0.02404,-0.0091,1.0000,0.0683 -7.000,-0.7480,0.03003,0.02093,-0.0074,1.0000,0.0711 -6.750,-0.7270,0.02786,0.01862,-0.0061,1.0000,0.0742 -6.500,-0.7056,0.02625,0.01681,-0.0047,1.0000,0.0792 -6.250,-0.6836,0.02440,0.01483,-0.0035,1.0000,0.0852 -6.000,-0.6613,0.02290,0.01332,-0.0023,1.0000,0.0919 -5.750,-0.6406,0.02145,0.01191,-0.0009,1.0000,0.1013 -5.500,-0.6211,0.02011,0.01059,0.0009,1.0000,0.1126 -5.250,-0.6043,0.01887,0.00952,0.0029,1.0000,0.1303 -5.000,-0.5901,0.01745,0.00842,0.0054,1.0000,0.1667 -4.750,-0.5823,0.01561,0.00749,0.0088,1.0000,0.2855 -4.500,-0.5716,0.01460,0.00711,0.0120,1.0000,0.4046 -4.250,-0.5565,0.01409,0.00683,0.0146,1.0000,0.4813 -4.000,-0.5405,0.01368,0.00667,0.0173,1.0000,0.5467 -3.750,-0.5249,0.01342,0.00667,0.0204,1.0000,0.6120 -3.500,-0.5087,0.01328,0.00669,0.0235,1.0000,0.6695 -3.250,-0.4908,0.01316,0.00664,0.0262,1.0000,0.7153 -3.000,-0.4716,0.01309,0.00664,0.0287,1.0000,0.7573 -2.750,-0.4518,0.01314,0.00677,0.0315,1.0000,0.8019 -2.500,-0.4274,0.01332,0.00697,0.0335,1.0000,0.8439 -2.250,-0.3935,0.01357,0.00714,0.0334,1.0000,0.8779 -2.000,-0.3467,0.01392,0.00736,0.0304,1.0000,0.9047 -1.750,-0.2943,0.01426,0.00755,0.0261,1.0000,0.9276 -1.500,-0.2281,0.01459,0.00770,0.0189,1.0000,0.9434 -1.250,-0.1625,0.01476,0.00775,0.0116,1.0000,0.9585 -1.000,-0.0975,0.01477,0.00764,0.0040,1.0000,0.9737 -0.750,-0.0317,0.01461,0.00741,-0.0040,1.0000,0.9885 -0.500,0.0245,0.01432,0.00708,-0.0106,1.0000,1.0000 -0.250,0.0170,0.01415,0.00695,-0.0061,1.0000,1.0000 0.000,0.0000,0.01410,0.00692,0.0000,1.0000,1.0000 0.250,-0.0169,0.01415,0.00695,0.0061,1.0000,1.0000 0.500,-0.0244,0.01432,0.00708,0.0106,1.0000,1.0000 0.750,0.0319,0.01460,0.00741,0.0040,0.9884,1.0000 1.000,0.0975,0.01477,0.00764,-0.0040,0.9737,1.0000 1.250,0.1625,0.01476,0.00774,-0.0116,0.9585,1.0000 1.500,0.2283,0.01458,0.00770,-0.0190,0.9434,1.0000 1.750,0.2943,0.01426,0.00755,-0.0261,0.9277,1.0000 2.000,0.3466,0.01392,0.00736,-0.0304,0.9047,1.0000 2.250,0.3935,0.01358,0.00714,-0.0334,0.8782,1.0000 2.500,0.4275,0.01332,0.00697,-0.0335,0.8439,1.0000 2.750,0.4518,0.01314,0.00676,-0.0315,0.8017,1.0000 3.000,0.4717,0.01309,0.00664,-0.0287,0.7572,1.0000 3.250,0.4909,0.01316,0.00666,-0.0262,0.7154,1.0000 3.500,0.5089,0.01328,0.00670,-0.0235,0.6697,1.0000 3.750,0.5250,0.01342,0.00667,-0.0204,0.6121,1.0000 4.000,0.5405,0.01369,0.00667,-0.0173,0.5463,1.0000 4.250,0.5566,0.01409,0.00683,-0.0147,0.4814,1.0000 4.500,0.5717,0.01460,0.00711,-0.0120,0.4043,1.0000 4.750,0.5824,0.01561,0.00749,-0.0088,0.2857,1.0000 5.000,0.5900,0.01747,0.00843,-0.0054,0.1663,1.0000 5.250,0.6043,0.01886,0.00952,-0.0029,0.1302,1.0000 5.500,0.6211,0.02011,0.01060,-0.0009,0.1125,1.0000 5.750,0.6407,0.02145,0.01192,0.0009,0.1015,1.0000 6.000,0.6614,0.02291,0.01333,0.0022,0.0920,1.0000 6.250,0.6837,0.02440,0.01483,0.0035,0.0852,1.0000 6.500,0.7056,0.02624,0.01681,0.0047,0.0791,1.0000 6.750,0.7270,0.02786,0.01862,0.0061,0.0741,1.0000 7.000,0.7480,0.03004,0.02094,0.0074,0.0711,1.0000 7.250,0.7653,0.03289,0.02409,0.0091,0.0684,1.0000 7.500,0.7797,0.03487,0.02659,0.0116,0.0657,1.0000 7.750,0.7923,0.03786,0.03005,0.0140,0.0652,1.0000 8.000,0.8015,0.04129,0.03393,0.0165,0.0657,1.0000 8.250,0.8078,0.04513,0.03817,0.0190,0.0667,1.0000 8.500,0.8115,0.04913,0.04251,0.0213,0.0674,1.0000 8.750,0.8125,0.05321,0.04690,0.0235,0.0679,1.0000 9.000,0.8141,0.05792,0.05179,0.0250,0.0688,1.0000 9.250,0.8022,0.06649,0.06081,0.0267,0.0822,1.0000