Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-r140-il-50000 Airfoil,r140-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,27.1077 Max Cl/Cd alpha,5.5 Url,http://airfoiltools.com/polar/csv?polar=xf-r140-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.500,-0.4915,0.10439,0.09776,-0.0075,1.0000,0.3400 -9.250,-0.5942,0.08743,0.08114,-0.0343,1.0000,0.1721 -9.000,-0.6224,0.07935,0.07302,-0.0390,1.0000,0.1355 -8.750,-0.6574,0.07589,0.06949,-0.0376,1.0000,0.1283 -8.500,-0.6972,0.07437,0.06772,-0.0343,1.0000,0.1305 -8.250,-0.6972,0.06737,0.06049,-0.0333,1.0000,0.1057 -8.000,-0.6953,0.06273,0.05568,-0.0313,1.0000,0.0956 -7.750,-0.7015,0.05919,0.05174,-0.0279,1.0000,0.0881 -7.500,-0.7017,0.05536,0.04766,-0.0249,1.0000,0.0840 -7.250,-0.7099,0.05275,0.04421,-0.0196,1.0000,0.0781 -7.000,-0.6995,0.04890,0.04023,-0.0175,1.0000,0.0765 -6.750,-0.6920,0.04555,0.03654,-0.0143,1.0000,0.0753 -6.500,-0.6820,0.04240,0.03299,-0.0111,1.0000,0.0747 -6.250,-0.6676,0.03952,0.02970,-0.0085,1.0000,0.0747 -6.000,-0.6498,0.03677,0.02649,-0.0060,1.0000,0.0764 -5.750,-0.6273,0.03391,0.02345,-0.0044,1.0000,0.0825 -5.500,-0.6027,0.03148,0.02092,-0.0031,1.0000,0.0969 -5.250,-0.5867,0.02921,0.01887,-0.0011,1.0000,0.1355 -5.000,-0.5605,0.02650,0.01637,0.0004,1.0000,0.1855 -4.750,-0.5499,0.02429,0.01459,0.0034,1.0000,0.2335 -4.500,-0.5512,0.02197,0.01330,0.0080,1.0000,0.3167 -4.250,-0.5701,0.02096,0.01431,0.0199,1.0000,0.6562 -4.000,-0.2193,0.03183,0.02234,-0.0087,1.0000,0.9181 -3.750,-0.1815,0.03086,0.02109,-0.0121,1.0000,0.9337 -3.500,-0.1462,0.02991,0.01992,-0.0153,1.0000,0.9479 -3.250,-0.1103,0.02895,0.01877,-0.0187,1.0000,0.9614 -3.000,-0.0728,0.02798,0.01756,-0.0226,1.0000,0.9745 -2.750,-0.0335,0.02699,0.01642,-0.0270,1.0000,0.9869 -2.500,0.0108,0.02595,0.01524,-0.0325,1.0000,0.9996 -2.250,0.0169,0.02564,0.01494,-0.0307,1.0000,1.0000 -2.000,0.0180,0.02548,0.01481,-0.0281,1.0000,1.0000 -1.750,0.0144,0.02546,0.01482,-0.0248,1.0000,1.0000 -1.500,0.0060,0.02556,0.01491,-0.0209,1.0000,1.0000 -1.250,-0.0054,0.02572,0.01509,-0.0166,1.0000,1.0000 -1.000,-0.0178,0.02587,0.01524,-0.0124,1.0000,1.0000 -0.750,-0.0301,0.02596,0.01531,-0.0082,1.0000,1.0000 -0.500,-0.0420,0.02596,0.01530,-0.0042,1.0000,1.0000 -0.250,-0.0535,0.02590,0.01521,-0.0001,1.0000,1.0000 0.000,-0.0640,0.02580,0.01507,0.0040,1.0000,1.0000 0.250,-0.0723,0.02570,0.01492,0.0079,1.0000,1.0000 0.500,-0.0775,0.02565,0.01480,0.0115,1.0000,1.0000 0.750,-0.0787,0.02569,0.01476,0.0146,1.0000,1.0000 1.000,-0.0760,0.02583,0.01482,0.0171,1.0000,1.0000 1.500,-0.0115,0.02722,0.01615,0.0112,0.9837,1.0000 1.750,0.0181,0.02790,0.01682,0.0088,0.9747,1.0000 2.000,0.0493,0.02872,0.01764,0.0063,0.9664,1.0000 2.250,0.0748,0.02944,0.01836,0.0049,0.9581,1.0000 2.500,0.0985,0.03019,0.01914,0.0039,0.9504,1.0000 2.750,0.1304,0.03115,0.02021,0.0015,0.9421,1.0000 3.000,0.1496,0.03184,0.02095,0.0014,0.9328,1.0000 3.250,0.1746,0.03270,0.02189,0.0003,0.9233,1.0000 3.500,0.2041,0.03364,0.02295,-0.0015,0.9126,1.0000 3.750,0.2353,0.03458,0.02405,-0.0035,0.9004,1.0000 4.000,0.2645,0.03545,0.02516,-0.0049,0.8860,1.0000 4.250,0.2921,0.03633,0.02623,-0.0061,0.8718,1.0000 4.500,0.3190,0.03728,0.02738,-0.0071,0.8589,1.0000 4.750,0.3448,0.03822,0.02855,-0.0079,0.8454,1.0000 5.000,0.3738,0.03912,0.02973,-0.0089,0.8285,1.0000 5.250,0.4189,0.03965,0.03077,-0.0114,0.8034,1.0000 5.500,0.6392,0.02358,0.01438,-0.0064,0.2407,1.0000 5.750,0.6222,0.02667,0.01626,0.0002,0.1486,1.0000 6.000,0.6158,0.02930,0.01834,0.0055,0.1121,1.0000 6.250,0.6390,0.03180,0.02069,0.0075,0.0878,1.0000 6.500,0.6936,0.03483,0.02381,0.0055,0.0770,1.0000 6.750,0.7310,0.03833,0.02752,0.0049,0.0720,1.0000 7.000,0.7515,0.04073,0.03041,0.0069,0.0698,1.0000 7.250,0.7682,0.04339,0.03349,0.0092,0.0681,1.0000 7.500,0.7809,0.04620,0.03669,0.0118,0.0667,1.0000 7.750,0.7909,0.04931,0.04019,0.0145,0.0673,1.0000 8.000,0.7967,0.05256,0.04382,0.0176,0.0685,1.0000 8.250,0.8016,0.05621,0.04776,0.0203,0.0705,1.0000 8.500,0.8148,0.06109,0.05267,0.0214,0.0727,1.0000 8.750,0.7944,0.06274,0.05514,0.0271,0.0774,1.0000 9.000,0.7837,0.06655,0.05924,0.0302,0.0814,1.0000 9.250,0.7913,0.07115,0.06395,0.0315,0.0874,1.0000 9.500,0.7570,0.07368,0.06681,0.0354,0.0899,1.0000 9.750,0.7291,0.07700,0.07024,0.0380,0.0919,1.0000 10.000,0.7058,0.08110,0.07440,0.0385,0.0942,1.0000 10.250,0.6949,0.08615,0.07952,0.0376,0.1013,1.0000 10.500,0.6561,0.09270,0.08608,0.0330,0.1036,1.0000 10.750,0.6392,0.10192,0.09527,0.0272,0.1228,1.0000