Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca633018-il-500000 Airfoil,naca633018-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,72.9619 Max Cl/Cd alpha,6.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca633018-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.1912,0.10230,0.09809,-0.0077,1.0000,0.0263 -19.500,-1.1928,0.09821,0.09394,-0.0099,1.0000,0.0271 -19.250,-1.1929,0.09439,0.09005,-0.0118,1.0000,0.0281 -19.000,-1.1924,0.09070,0.08626,-0.0137,1.0000,0.0290 -18.750,-1.1913,0.08711,0.08254,-0.0154,1.0000,0.0298 -18.500,-1.1914,0.08358,0.07892,-0.0169,1.0000,0.0307 -18.250,-1.1915,0.08018,0.07549,-0.0182,1.0000,0.0316 -18.000,-1.1894,0.07697,0.07224,-0.0196,1.0000,0.0324 -17.750,-1.1862,0.07397,0.06918,-0.0209,1.0000,0.0332 -17.500,-1.1821,0.07115,0.06629,-0.0220,1.0000,0.0341 -17.250,-1.1777,0.06840,0.06345,-0.0230,1.0000,0.0350 -17.000,-1.1726,0.06577,0.06071,-0.0240,1.0000,0.0357 -16.750,-1.1668,0.06323,0.05806,-0.0250,1.0000,0.0362 -16.500,-1.1644,0.06071,0.05555,-0.0252,1.0000,0.0375 -16.250,-1.1593,0.05833,0.05314,-0.0258,1.0000,0.0385 -16.000,-1.1530,0.05609,0.05085,-0.0264,1.0000,0.0392 -15.750,-1.1459,0.05397,0.04868,-0.0268,1.0000,0.0401 -15.500,-1.1382,0.05197,0.04662,-0.0272,1.0000,0.0409 -15.250,-1.1298,0.05003,0.04461,-0.0276,1.0000,0.0419 -15.000,-1.1209,0.04822,0.04272,-0.0278,1.0000,0.0426 -14.750,-1.1109,0.04648,0.04090,-0.0281,1.0000,0.0433 -14.500,-1.1058,0.04455,0.03894,-0.0276,1.0000,0.0444 -14.250,-1.1004,0.04259,0.03697,-0.0275,1.0000,0.0455 -14.000,-1.0923,0.04087,0.03522,-0.0274,1.0000,0.0464 -13.750,-1.0828,0.03929,0.03361,-0.0273,1.0000,0.0475 -13.500,-1.0727,0.03781,0.03209,-0.0272,1.0000,0.0488 -13.250,-1.0621,0.03640,0.03064,-0.0270,1.0000,0.0498 -13.000,-1.0496,0.03516,0.02932,-0.0269,1.0000,0.0510 -12.750,-1.0386,0.03383,0.02794,-0.0265,1.0000,0.0518 -12.500,-1.0359,0.03194,0.02604,-0.0257,1.0000,0.0534 -12.250,-1.0292,0.03034,0.02442,-0.0251,1.0000,0.0545 -12.000,-1.0193,0.02900,0.02308,-0.0246,1.0000,0.0561 -11.750,-1.0092,0.02770,0.02174,-0.0240,1.0000,0.0572 -11.500,-0.9983,0.02647,0.02048,-0.0234,1.0000,0.0584 -11.250,-0.9866,0.02530,0.01928,-0.0229,1.0000,0.0595 -11.000,-0.9732,0.02425,0.01818,-0.0225,1.0000,0.0606 -10.750,-0.9525,0.02267,0.01654,-0.0246,0.9474,0.0628 -10.250,-0.9321,0.02060,0.01425,-0.0225,0.8862,0.0673 -10.000,-0.9235,0.01979,0.01334,-0.0206,0.8699,0.0694 -9.750,-0.9131,0.01910,0.01252,-0.0188,0.8564,0.0714 -9.500,-0.9094,0.01811,0.01148,-0.0162,0.8439,0.0752 -9.250,-0.9026,0.01730,0.01064,-0.0139,0.8324,0.0796 -9.000,-0.8943,0.01665,0.00993,-0.0114,0.8227,0.0848 -8.750,-0.8904,0.01598,0.00926,-0.0080,0.8129,0.0935 -8.500,-0.8804,0.01532,0.00865,-0.0057,0.8043,0.1083 -8.250,-0.8695,0.01457,0.00800,-0.0035,0.7963,0.1316 -8.000,-0.8560,0.01382,0.00738,-0.0018,0.7886,0.1611 -7.750,-0.8410,0.01308,0.00679,-0.0002,0.7812,0.1956 -7.500,-0.8252,0.01232,0.00622,0.0012,0.7743,0.2362 -7.250,-0.8075,0.01159,0.00569,0.0024,0.7670,0.2802 -7.000,-0.7882,0.01099,0.00524,0.0034,0.7610,0.3243 -6.750,-0.7661,0.01050,0.00492,0.0040,0.7540,0.3631 -6.500,-0.7418,0.01020,0.00467,0.0044,0.7476,0.3928 -6.250,-0.7159,0.01001,0.00449,0.0046,0.7417,0.4154 -6.000,-0.6889,0.00985,0.00434,0.0046,0.7353,0.4325 -5.750,-0.6620,0.00973,0.00419,0.0047,0.7295,0.4462 -5.500,-0.6344,0.00963,0.00407,0.0047,0.7236,0.4580 -5.250,-0.6064,0.00954,0.00395,0.0046,0.7173,0.4690 -5.000,-0.5785,0.00950,0.00384,0.0045,0.7118,0.4794 -4.750,-0.5503,0.00942,0.00376,0.0044,0.7061,0.4883 -4.500,-0.5220,0.00938,0.00370,0.0043,0.7002,0.5005 -4.250,-0.4940,0.00940,0.00365,0.0042,0.6949,0.5123 -4.000,-0.4655,0.00933,0.00360,0.0041,0.6891,0.5202 -3.750,-0.4366,0.00930,0.00353,0.0039,0.6833,0.5273 -3.500,-0.4082,0.00928,0.00347,0.0038,0.6784,0.5348 -3.250,-0.3792,0.00928,0.00345,0.0035,0.6729,0.5425 -3.000,-0.3502,0.00923,0.00337,0.0033,0.6673,0.5483 -2.750,-0.3214,0.00920,0.00331,0.0031,0.6622,0.5532 -2.500,-0.2922,0.00919,0.00327,0.0028,0.6571,0.5587 -2.250,-0.2630,0.00915,0.00320,0.0025,0.6517,0.5639 -2.000,-0.2340,0.00911,0.00316,0.0023,0.6467,0.5688 -1.750,-0.2048,0.00912,0.00313,0.0020,0.6417,0.5739 -1.500,-0.1754,0.00911,0.00308,0.0017,0.6363,0.5789 -1.250,-0.1464,0.00905,0.00305,0.0015,0.6316,0.5834 -1.000,-0.1172,0.00907,0.00303,0.0012,0.6269,0.5882 -0.750,-0.0877,0.00905,0.00301,0.0009,0.6216,0.5933 -0.500,-0.0585,0.00901,0.00298,0.0006,0.6167,0.5978 -0.250,-0.0294,0.00903,0.00298,0.0003,0.6123,0.6023 0.000,0.0000,0.00903,0.00299,0.0000,0.6074,0.6074 0.250,0.0294,0.00903,0.00298,-0.0003,0.6023,0.6123 0.500,0.0585,0.00901,0.00298,-0.0006,0.5978,0.6167 0.750,0.0877,0.00905,0.00301,-0.0009,0.5933,0.6217 1.000,0.1172,0.00907,0.00303,-0.0012,0.5882,0.6269 1.250,0.1464,0.00905,0.00305,-0.0015,0.5834,0.6316 1.500,0.1754,0.00911,0.00308,-0.0017,0.5789,0.6363 1.750,0.2048,0.00912,0.00313,-0.0020,0.5740,0.6417 2.000,0.2340,0.00911,0.00316,-0.0023,0.5687,0.6467 2.250,0.2630,0.00915,0.00320,-0.0025,0.5639,0.6517 2.500,0.2922,0.00919,0.00327,-0.0028,0.5587,0.6571 2.750,0.3214,0.00920,0.00331,-0.0031,0.5532,0.6622 3.000,0.3502,0.00923,0.00337,-0.0033,0.5482,0.6673 3.250,0.3792,0.00928,0.00345,-0.0035,0.5425,0.6729 3.500,0.4082,0.00928,0.00347,-0.0038,0.5348,0.6784 3.750,0.4366,0.00930,0.00353,-0.0039,0.5273,0.6834 4.000,0.4655,0.00933,0.00360,-0.0041,0.5203,0.6891 4.250,0.4940,0.00940,0.00365,-0.0042,0.5123,0.6949 4.500,0.5220,0.00938,0.00370,-0.0043,0.5005,0.7002 4.750,0.5503,0.00942,0.00376,-0.0044,0.4882,0.7061 5.000,0.5785,0.00950,0.00384,-0.0045,0.4794,0.7118 5.250,0.6065,0.00954,0.00396,-0.0046,0.4692,0.7173 5.500,0.6344,0.00963,0.00407,-0.0047,0.4580,0.7236 5.750,0.6620,0.00973,0.00419,-0.0047,0.4462,0.7295 6.000,0.6890,0.00985,0.00434,-0.0046,0.4325,0.7353 6.250,0.7159,0.01001,0.00449,-0.0046,0.4155,0.7417 6.500,0.7418,0.01020,0.00467,-0.0044,0.3928,0.7476 6.750,0.7661,0.01050,0.00492,-0.0040,0.3629,0.7541 7.000,0.7882,0.01100,0.00524,-0.0034,0.3242,0.7610 7.250,0.8075,0.01160,0.00569,-0.0024,0.2800,0.7670 7.500,0.8252,0.01233,0.00622,-0.0012,0.2360,0.7743 7.750,0.8410,0.01309,0.00679,0.0002,0.1953,0.7812 8.000,0.8561,0.01382,0.00738,0.0017,0.1612,0.7886 8.250,0.8695,0.01457,0.00800,0.0035,0.1315,0.7963 8.500,0.8805,0.01532,0.00865,0.0057,0.1081,0.8042 8.750,0.8905,0.01598,0.00927,0.0080,0.0934,0.8130 9.000,0.8947,0.01664,0.00992,0.0113,0.0849,0.8227 9.250,0.9027,0.01730,0.01064,0.0138,0.0795,0.8324 9.500,0.9097,0.01811,0.01147,0.0162,0.0752,0.8438 9.750,0.9134,0.01909,0.01251,0.0187,0.0714,0.8564 10.000,0.9238,0.01979,0.01333,0.0205,0.0695,0.8697 10.250,0.9326,0.02058,0.01423,0.0224,0.0673,0.8861 10.500,0.9395,0.02147,0.01522,0.0244,0.0653,0.9086 10.750,0.9531,0.02263,0.01650,0.0245,0.0629,0.9471 11.000,0.9741,0.02421,0.01813,0.0224,0.0606,1.0000 11.250,0.9869,0.02530,0.01927,0.0228,0.0596,1.0000 11.500,0.9990,0.02644,0.02046,0.0234,0.0584,1.0000 11.750,1.0100,0.02767,0.02171,0.0239,0.0572,1.0000 12.000,1.0206,0.02893,0.02300,0.0244,0.0559,1.0000 12.250,1.0299,0.03031,0.02441,0.0250,0.0550,1.0000 12.500,1.0367,0.03190,0.02599,0.0256,0.0533,1.0000 12.750,1.0399,0.03376,0.02788,0.0264,0.0520,1.0000 13.000,1.0512,0.03507,0.02924,0.0267,0.0509,1.0000 13.250,1.0623,0.03642,0.03065,0.0270,0.0501,1.0000 13.500,1.0739,0.03774,0.03202,0.0271,0.0487,1.0000 13.750,1.0839,0.03923,0.03355,0.0272,0.0475,1.0000 14.000,1.0932,0.04083,0.03518,0.0273,0.0464,1.0000 14.250,1.1012,0.04255,0.03692,0.0274,0.0454,1.0000 14.500,1.1072,0.04446,0.03885,0.0275,0.0444,1.0000 14.750,1.1124,0.04641,0.04082,0.0279,0.0432,1.0000 15.000,1.1220,0.04813,0.04262,0.0277,0.0427,1.0000 15.250,1.1311,0.04994,0.04452,0.0274,0.0419,1.0000 15.500,1.1394,0.05188,0.04653,0.0271,0.0410,1.0000 15.750,1.1473,0.05388,0.04859,0.0267,0.0401,1.0000 16.000,1.1546,0.05600,0.05076,0.0262,0.0391,1.0000 16.250,1.1608,0.05826,0.05306,0.0256,0.0383,1.0000 16.500,1.1659,0.06062,0.05545,0.0251,0.0375,1.0000 16.750,1.1686,0.06310,0.05793,0.0248,0.0363,1.0000 17.000,1.1745,0.06567,0.06062,0.0238,0.0356,1.0000 17.250,1.1795,0.06826,0.06331,0.0230,0.0350,1.0000 17.500,1.1839,0.07103,0.06617,0.0219,0.0341,1.0000 17.750,1.1883,0.07385,0.06905,0.0207,0.0331,1.0000 18.000,1.1915,0.07685,0.07211,0.0194,0.0323,1.0000 18.250,1.1935,0.08004,0.07536,0.0181,0.0315,1.0000 18.500,1.1930,0.08346,0.07878,0.0168,0.0306,1.0000 18.750,1.1935,0.08694,0.08237,0.0152,0.0298,1.0000