Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-goe239-il-50000 Airfoil,goe239-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,17.3201 Max Cl/Cd alpha,3.75 Url,http://airfoiltools.com/polar/csv?polar=xf-goe239-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.500,-0.2594,0.12217,0.11520,-0.0338,1.0000,0.1817 -9.250,-0.2705,0.12217,0.11533,-0.0334,1.0000,0.1869 -9.000,-0.2965,0.12433,0.11767,-0.0324,1.0000,0.1883 -8.750,-0.2640,0.11621,0.10950,-0.0307,1.0000,0.1949 -8.500,-0.2698,0.11500,0.10839,-0.0291,1.0000,0.2004 -8.250,-0.2940,0.11637,0.10992,-0.0271,1.0000,0.2035 -8.000,-0.3263,0.11850,0.11223,-0.0239,1.0000,0.2044 -7.750,-0.2852,0.10979,0.10344,-0.0233,1.0000,0.2118 -7.500,-0.2981,0.10923,0.10300,-0.0208,1.0000,0.2173 -7.250,-0.3276,0.11057,0.10450,-0.0175,1.0000,0.2198 -7.000,-0.3594,0.11243,0.10655,-0.0168,1.0000,0.2209 -6.750,-0.3230,0.10469,0.09874,-0.0132,1.0000,0.2309 -6.500,-0.3455,0.10507,0.09927,-0.0114,1.0000,0.2358 -6.250,-0.3584,0.10376,0.09808,-0.0110,1.0000,0.2388 -6.000,-0.3479,0.10006,0.09440,-0.0074,1.0000,0.2460 -5.750,-0.3649,0.10023,0.09470,-0.0087,1.0000,0.2532 -5.500,-0.3652,0.09715,0.09170,-0.0069,1.0000,0.2569 -5.250,-0.3639,0.09483,0.08943,-0.0044,1.0000,0.2634 -5.000,-0.3735,0.09453,0.08924,-0.0093,1.0000,0.2716 -4.750,-0.3717,0.09130,0.08608,-0.0045,1.0000,0.2757 -4.500,-0.3716,0.09115,0.08597,-0.0112,1.0000,0.2877 -4.250,-0.3730,0.08781,0.08271,-0.0054,1.0000,0.2914 -4.000,-0.3480,0.08493,0.07980,-0.0114,0.9941,0.3069 -3.750,-0.3075,0.08106,0.07584,-0.0188,0.9826,0.3240 -3.500,-0.2665,0.07740,0.07209,-0.0267,0.9710,0.3404 -3.250,-0.2304,0.07403,0.06865,-0.0327,0.9592,0.3572 -3.000,-0.1998,0.07107,0.06563,-0.0364,0.9475,0.3771 -2.750,0.0123,0.05039,0.04300,-0.1024,0.9426,0.1855 -2.500,0.0725,0.04622,0.03820,-0.1121,0.9328,0.1853 -2.250,0.1366,0.04264,0.03378,-0.1213,0.9247,0.1894 -2.000,0.1851,0.04151,0.03237,-0.1260,0.9149,0.2027 -1.750,0.2219,0.04078,0.03149,-0.1286,0.9038,0.2158 -1.500,0.2712,0.04006,0.03058,-0.1328,0.8955,0.2427 -1.250,0.3032,0.04002,0.03049,-0.1342,0.8844,0.2752 -1.000,0.3352,0.04011,0.03064,-0.1352,0.8743,0.3258 -0.750,0.3765,0.03959,0.03019,-0.1374,0.8661,0.4198 -0.500,0.3986,0.03976,0.03039,-0.1369,0.8557,0.4781 -0.250,0.4415,0.03945,0.03008,-0.1391,0.8483,0.5369 0.000,0.4562,0.04011,0.03079,-0.1377,0.8372,0.5747 0.250,0.4893,0.04015,0.03089,-0.1385,0.8289,0.6256 0.500,0.5158,0.04047,0.03123,-0.1390,0.8191,0.6627 0.750,0.5406,0.04070,0.03162,-0.1391,0.8097,0.7057 1.000,0.5635,0.04013,0.03160,-0.1376,0.8010,1.0000 1.250,0.5880,0.04149,0.03261,-0.1391,0.7898,1.0000 1.500,0.6303,0.04208,0.03279,-0.1419,0.7812,1.0000 1.750,0.6528,0.04320,0.03368,-0.1419,0.7704,1.0000 2.000,0.6712,0.04451,0.03481,-0.1414,0.7597,1.0000 2.250,0.7182,0.04447,0.03456,-0.1436,0.7517,1.0000 2.500,0.7254,0.04626,0.03627,-0.1419,0.7394,1.0000 2.750,0.7437,0.04756,0.03749,-0.1412,0.7284,1.0000 3.000,0.7908,0.04725,0.03707,-0.1428,0.7202,1.0000 3.250,0.7970,0.04923,0.03901,-0.1411,0.7074,1.0000 3.500,0.8109,0.05083,0.04058,-0.1400,0.6957,1.0000 3.750,0.8641,0.04989,0.03959,-0.1416,0.6883,1.0000 4.000,0.8669,0.05225,0.04194,-0.1397,0.6749,1.0000 4.250,0.8729,0.05452,0.04422,-0.1381,0.6625,1.0000 4.500,0.8958,0.05565,0.04534,-0.1376,0.6520,1.0000 4.750,0.9284,0.05599,0.04570,-0.1375,0.6424,1.0000 5.000,0.9253,0.05918,0.04892,-0.1358,0.6295,1.0000 5.250,0.9356,0.06144,0.05120,-0.1347,0.6186,1.0000 5.500,0.9712,0.06163,0.05143,-0.1347,0.6101,1.0000 5.750,0.9546,0.06630,0.05613,-0.1329,0.5978,1.0000 6.000,0.9690,0.06843,0.05832,-0.1321,0.5885,1.0000 6.250,0.9795,0.07091,0.06084,-0.1314,0.5790,1.0000 6.500,0.9667,0.07568,0.06565,-0.1304,0.5706,1.0000 6.750,0.9742,0.07871,0.06874,-0.1300,0.5633,1.0000 7.000,0.9758,0.08234,0.07241,-0.1294,0.5565,1.0000 7.250,0.9591,0.08755,0.07767,-0.1290,0.5511,1.0000 7.500,0.9569,0.09184,0.08202,-0.1290,0.5485,1.0000 7.750,0.9402,0.09762,0.08786,-0.1295,0.5513,1.0000 8.000,0.9351,0.10261,0.09292,-0.1302,0.5554,1.0000 8.250,0.9507,0.10670,0.09712,-0.1315,0.5593,1.0000 8.500,0.8571,0.12048,0.11098,-0.1368,0.6554,1.0000 8.750,0.8633,0.12259,0.11315,-0.1360,0.6429,1.0000