Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca643618-il-100000 Airfoil,naca643618-il Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,31.8044 Max Cl/Cd alpha,10.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca643618-il-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -11.000,-0.3870,0.11883,0.11428,-0.0393,1.0000,0.1754 -10.750,-0.6421,0.07443,0.06950,-0.0751,0.9871,0.0953 -10.500,-0.6400,0.06913,0.06408,-0.0789,0.9799,0.0941 -10.250,-0.6466,0.06385,0.05856,-0.0826,0.9702,0.0926 -10.000,-0.6554,0.05889,0.05326,-0.0844,0.9588,0.0909 -9.750,-0.6583,0.05412,0.04803,-0.0858,0.9491,0.0892 -9.500,-0.6525,0.04951,0.04284,-0.0872,0.9407,0.0878 -9.250,-0.6417,0.04655,0.03949,-0.0872,0.9320,0.0878 -9.000,-0.6177,0.04411,0.03675,-0.0887,0.9251,0.0896 -8.750,-0.5827,0.04134,0.03356,-0.0918,0.9212,0.0918 -8.500,-0.5740,0.03980,0.03174,-0.0897,0.9104,0.0928 -8.250,-0.5383,0.03764,0.02912,-0.0920,0.9058,0.0949 -8.000,-0.5130,0.03587,0.02718,-0.0924,0.8992,0.0977 -7.750,-0.4871,0.03462,0.02594,-0.0926,0.8918,0.1013 -7.500,-0.4449,0.03310,0.02424,-0.0952,0.8882,0.1058 -7.250,-0.3977,0.03140,0.02251,-0.0987,0.8859,0.1123 -7.000,-0.3928,0.03106,0.02222,-0.0951,0.8744,0.1161 -6.750,-0.3513,0.02982,0.02090,-0.0974,0.8708,0.1247 -6.500,-0.3096,0.02865,0.01982,-0.0998,0.8680,0.1378 -6.250,-0.3092,0.02841,0.01978,-0.0957,0.8567,0.1452 -6.000,-0.2773,0.02730,0.01882,-0.0967,0.8523,0.1683 -5.750,-0.2474,0.02534,0.01743,-0.0984,0.8490,0.2281 -5.500,-0.2568,0.02418,0.01747,-0.0944,0.8366,0.3778 -5.250,-0.2201,0.02514,0.01865,-0.0942,0.8329,0.5260 -5.000,-0.2078,0.02630,0.01977,-0.0908,0.8244,0.5523 -4.750,-0.1862,0.02743,0.02088,-0.0882,0.8181,0.5741 -4.500,-0.1529,0.02850,0.02189,-0.0867,0.8148,0.5951 -4.250,-0.1426,0.02956,0.02292,-0.0829,0.8068,0.6091 -4.000,-0.1247,0.03038,0.02368,-0.0802,0.8000,0.6246 -3.750,-0.0921,0.03109,0.02429,-0.0790,0.7967,0.6416 -3.500,-0.0585,0.03215,0.02532,-0.0764,0.7945,0.6546 -3.250,-0.0772,0.03311,0.02630,-0.0701,0.7822,0.6632 -3.000,-0.0493,0.03372,0.02682,-0.0684,0.7790,0.6797 -2.750,-0.0174,0.03443,0.02749,-0.0660,0.7770,0.6927 -2.500,-0.0497,0.03545,0.02856,-0.0586,0.7645,0.7002 -2.250,-0.0202,0.03565,0.02868,-0.0577,0.7614,0.7104 -2.000,0.0198,0.03522,0.02811,-0.0598,0.7593,0.7185 -1.750,-0.0235,0.03678,0.02975,-0.0510,0.7473,0.7238 -1.500,0.0069,0.03666,0.02951,-0.0526,0.7442,0.7313 -1.250,0.0422,0.03642,0.02917,-0.0542,0.7420,0.7367 -1.000,0.0234,0.03780,0.03058,-0.0491,0.7343,0.7414 -0.750,0.0385,0.03826,0.03097,-0.0490,0.7291,0.7473 -0.500,0.0703,0.03831,0.03092,-0.0512,0.7262,0.7531 -0.250,0.0978,0.03839,0.03096,-0.0511,0.7241,0.7572 0.000,0.1350,0.03830,0.03080,-0.0526,0.7225,0.7620 0.250,0.1062,0.04068,0.03320,-0.0491,0.7139,0.7683 0.500,0.1238,0.04131,0.03380,-0.0491,0.7108,0.7728 0.750,0.1500,0.04159,0.03405,-0.0493,0.7080,0.7769 1.000,0.1886,0.04156,0.03397,-0.0512,0.7057,0.7822 1.250,0.1915,0.04317,0.03555,-0.0511,0.7009,0.7881 1.500,0.1908,0.04438,0.03680,-0.0488,0.6962,0.7922 1.750,0.2094,0.04510,0.03751,-0.0488,0.6929,0.7971 2.000,0.2447,0.04539,0.03776,-0.0507,0.6897,0.8031 2.250,0.2876,0.04529,0.03764,-0.0525,0.6873,0.8086 2.500,0.2638,0.04762,0.04004,-0.0489,0.6817,0.8145 2.750,0.2785,0.04871,0.04113,-0.0492,0.6771,0.8211 3.000,0.3050,0.04916,0.04159,-0.0495,0.6733,0.8269 3.250,0.3440,0.04924,0.04168,-0.0507,0.6704,0.8336 3.500,0.3349,0.05128,0.04376,-0.0491,0.6640,0.8411 3.750,0.3419,0.05234,0.04487,-0.0475,0.6592,0.8486 4.000,0.3751,0.05270,0.04525,-0.0486,0.6549,0.8577 4.250,0.4233,0.05222,0.04479,-0.0497,0.6518,0.8665 4.500,0.3909,0.05504,0.04769,-0.0463,0.6427,0.8758 4.750,0.4210,0.05525,0.04792,-0.0464,0.6377,0.8866 5.000,0.4693,0.05470,0.04741,-0.0475,0.6345,0.8981 5.250,0.4385,0.05731,0.05011,-0.0439,0.6238,0.9118 5.500,0.4744,0.05703,0.04988,-0.0440,0.6191,0.9291 5.750,0.4727,0.05861,0.05156,-0.0427,0.6095,0.9507 6.000,0.5160,0.05868,0.05173,-0.0456,0.6028,1.0000 6.250,0.5363,0.06034,0.05342,-0.0477,0.5931,1.0000 6.500,0.5789,0.06076,0.05387,-0.0508,0.5860,1.0000 6.750,0.6425,0.05998,0.05314,-0.0545,0.5828,1.0000 7.000,0.6422,0.06247,0.05567,-0.0551,0.5689,1.0000 7.250,0.7038,0.06136,0.05462,-0.0580,0.5658,1.0000 7.500,0.7033,0.06387,0.05718,-0.0582,0.5517,1.0000 7.750,0.7624,0.06244,0.05582,-0.0604,0.5487,1.0000 8.000,0.7625,0.06484,0.05827,-0.0602,0.5344,1.0000 8.250,0.8227,0.06276,0.05627,-0.0617,0.5317,1.0000 8.500,0.8244,0.06490,0.05846,-0.0612,0.5172,1.0000 8.750,0.8891,0.06166,0.05534,-0.0623,0.5148,1.0000 9.000,0.8950,0.06321,0.05695,-0.0615,0.5003,1.0000 9.250,0.9501,0.06009,0.05395,-0.0617,0.4958,1.0000 9.500,1.0369,0.05323,0.04729,-0.0623,0.4973,1.0000 9.750,1.1326,0.04486,0.03911,-0.0632,0.4978,1.0000 10.000,1.1401,0.04532,0.03967,-0.0614,0.4830,1.0000 10.250,1.1659,0.04388,0.03833,-0.0601,0.4695,1.0000 10.500,1.2194,0.03969,0.03427,-0.0597,0.4555,1.0000 10.750,1.2391,0.03896,0.03361,-0.0583,0.4359,1.0000 11.000,1.2425,0.03995,0.03465,-0.0564,0.4122,1.0000 11.250,1.2493,0.04071,0.03537,-0.0547,0.3806,1.0000 11.500,1.2619,0.04082,0.03513,-0.0528,0.3340,1.0000 11.750,1.2543,0.04323,0.03716,-0.0506,0.2885,1.0000 12.000,1.2407,0.04657,0.04016,-0.0487,0.2491,1.0000 12.250,1.2277,0.05013,0.04339,-0.0472,0.2154,1.0000 12.500,1.2179,0.05362,0.04657,-0.0459,0.1866,1.0000 12.750,1.2118,0.05686,0.04950,-0.0449,0.1631,1.0000 13.000,1.2109,0.05975,0.05221,-0.0441,0.1427,1.0000 13.250,1.2141,0.06228,0.05458,-0.0434,0.1267,1.0000 13.500,1.2214,0.06444,0.05660,-0.0427,0.1139,1.0000 13.750,1.2330,0.06620,0.05825,-0.0419,0.1037,1.0000 14.000,1.2505,0.06742,0.05923,-0.0412,0.0946,1.0000 14.250,1.2597,0.06967,0.06167,-0.0409,0.0884,1.0000 14.500,1.2818,0.07070,0.06255,-0.0402,0.0821,1.0000 14.750,1.2924,0.07291,0.06493,-0.0399,0.0776,1.0000 15.000,1.3237,0.07352,0.06534,-0.0393,0.0727,1.0000 15.250,1.3300,0.07627,0.06838,-0.0391,0.0699,1.0000 15.500,1.3408,0.07860,0.07082,-0.0390,0.0670,1.0000 15.750,1.3730,0.07978,0.07188,-0.0387,0.0638,1.0000 16.000,1.3712,0.08346,0.07591,-0.0387,0.0627,1.0000 16.250,1.3694,0.08731,0.08008,-0.0388,0.0616,1.0000 16.500,1.3654,0.09140,0.08445,-0.0392,0.0606,1.0000 16.750,1.3604,0.09561,0.08891,-0.0398,0.0597,1.0000 17.000,1.3559,0.09982,0.09333,-0.0406,0.0588,1.0000 17.250,1.3579,0.10332,0.09694,-0.0413,0.0577,1.0000 17.500,1.3679,0.10634,0.09999,-0.0418,0.0564,1.0000 17.750,1.3573,0.11171,0.10556,-0.0433,0.0559,1.0000 18.000,1.3357,0.11804,0.11218,-0.0458,0.0559,1.0000 18.250,1.3132,0.12487,0.11928,-0.0488,0.0559,1.0000 18.500,1.0900,0.17394,0.16953,-0.0809,0.0656,1.0000 18.750,1.0975,0.17700,0.17260,-0.0823,0.0647,1.0000