Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca23021-il-100000-n5 Airfoil,naca23021-il Reynolds number,100000 Ncrit,5 Mach,0 Max Cl/Cd,35.6752 Max Cl/Cd alpha,7.25 Url,http://airfoiltools.com/polar/csv?polar=xf-naca23021-il-100000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.250,-0.8719,0.11812,0.11073,-0.0405,1.0000,0.0692 -19.000,-0.9300,0.10450,0.09665,-0.0485,1.0000,0.0699 -18.750,-0.9181,0.10305,0.09526,-0.0487,1.0000,0.0707 -18.500,-0.9196,0.09940,0.09156,-0.0502,1.0000,0.0716 -18.250,-0.9259,0.09503,0.08709,-0.0521,1.0000,0.0725 -18.000,-0.9338,0.09050,0.08241,-0.0540,1.0000,0.0735 -17.750,-0.9422,0.08596,0.07771,-0.0558,1.0000,0.0746 -17.500,-0.9507,0.08152,0.07306,-0.0574,1.0000,0.0757 -17.250,-0.9531,0.07805,0.06946,-0.0584,1.0000,0.0768 -17.000,-0.9462,0.07596,0.06740,-0.0587,1.0000,0.0780 -16.750,-0.9425,0.07343,0.06483,-0.0591,1.0000,0.0792 -16.500,-0.9406,0.07067,0.06199,-0.0597,1.0000,0.0805 -16.250,-0.9389,0.06791,0.05911,-0.0601,1.0000,0.0820 -16.000,-0.9379,0.06510,0.05612,-0.0604,1.0000,0.0836 -15.750,-0.9302,0.06324,0.05431,-0.0603,1.0000,0.0850 -15.500,-0.9244,0.06118,0.05224,-0.0603,1.0000,0.0866 -15.250,-0.9196,0.05900,0.04999,-0.0603,1.0000,0.0885 -15.000,-0.9148,0.05684,0.04772,-0.0601,1.0000,0.0906 -14.750,-0.9083,0.05493,0.04579,-0.0598,1.0000,0.0925 -14.500,-0.9019,0.05311,0.04397,-0.0594,1.0000,0.0945 -14.250,-0.8964,0.05120,0.04203,-0.0590,1.0000,0.0969 -14.000,-0.8903,0.04936,0.04008,-0.0585,1.0000,0.0998 -13.750,-0.8847,0.04761,0.03838,-0.0578,1.0000,0.1021 -13.500,-0.8796,0.04584,0.03660,-0.0571,1.0000,0.1050 -13.250,-0.8738,0.04416,0.03485,-0.0563,1.0000,0.1085 -13.000,-0.8698,0.04246,0.03317,-0.0552,1.0000,0.1116 -12.750,-0.8664,0.04078,0.03150,-0.0540,1.0000,0.1152 -12.500,-0.8615,0.03927,0.02991,-0.0527,1.0000,0.1196 -12.250,-0.8610,0.03763,0.02834,-0.0510,1.0000,0.1233 -12.000,-0.8590,0.03620,0.02690,-0.0491,1.0000,0.1280 -11.750,-0.8585,0.03484,0.02555,-0.0467,1.0000,0.1327 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-6.750,-0.5908,0.02166,0.01310,-0.0152,0.9068,0.3865 -6.500,-0.5684,0.02138,0.01276,-0.0140,0.8940,0.3980 -6.250,-0.5342,0.02101,0.01244,-0.0150,0.8866,0.4096 -6.000,-0.5116,0.02077,0.01217,-0.0138,0.8739,0.4206 -5.750,-0.4801,0.02045,0.01185,-0.0142,0.8656,0.4342 -5.500,-0.4577,0.02025,0.01170,-0.0129,0.8530,0.4474 -5.250,-0.4285,0.01997,0.01141,-0.0128,0.8439,0.4631 -5.000,-0.4056,0.01980,0.01125,-0.0116,0.8311,0.4766 -4.750,-0.3755,0.01953,0.01100,-0.0115,0.8216,0.4891 -4.500,-0.3523,0.01936,0.01078,-0.0104,0.8085,0.5015 -4.250,-0.3212,0.01910,0.01054,-0.0105,0.7986,0.5121 -4.000,-0.2982,0.01895,0.01034,-0.0093,0.7849,0.5242 -3.750,-0.2674,0.01874,0.01014,-0.0094,0.7746,0.5348 -3.500,-0.2443,0.01861,0.00995,-0.0082,0.7605,0.5474 -3.250,-0.2151,0.01845,0.00984,-0.0080,0.7489,0.5580 -3.000,-0.1901,0.01832,0.00964,-0.0071,0.7355,0.5705 -2.750,-0.1626,0.01823,0.00958,-0.0066,0.7222,0.5813 -2.500,-0.1360,0.01811,0.00938,-0.0059,0.7093,0.5939 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2.500,0.3858,0.01984,0.01065,0.0075,0.4428,0.8417 2.750,0.4179,0.02018,0.01100,0.0069,0.4304,0.8499 3.000,0.4401,0.02040,0.01113,0.0081,0.4207,0.8636 3.250,0.4733,0.02076,0.01152,0.0072,0.4082,0.8708 3.500,0.4981,0.02105,0.01170,0.0079,0.3981,0.8826 3.750,0.5288,0.02138,0.01206,0.0073,0.3853,0.8908 4.000,0.5570,0.02171,0.01233,0.0072,0.3741,0.9005 4.250,0.5845,0.02203,0.01261,0.0071,0.3620,0.9098 4.500,0.6160,0.02239,0.01296,0.0063,0.3501,0.9178 4.750,0.6414,0.02273,0.01321,0.0065,0.3396,0.9279 5.000,0.6763,0.02312,0.01361,0.0048,0.3279,0.9343 5.500,0.7390,0.02388,0.01431,0.0026,0.3077,0.9498 5.750,0.7694,0.02430,0.01465,0.0016,0.2992,0.9580 6.000,0.8023,0.02470,0.01510,0.0001,0.2902,0.9650 6.250,0.8345,0.02515,0.01547,-0.0015,0.2821,0.9722 6.500,0.8663,0.02558,0.01596,-0.0029,0.2729,0.9795 6.750,0.8989,0.02606,0.01637,-0.0047,0.2647,0.9862 7.000,0.9316,0.02653,0.01691,-0.0065,0.2564,0.9929 7.250,0.9643,0.02703,0.01738,-0.0084,0.2487,0.9990 7.500,0.9714,0.02738,0.01776,-0.0054,0.2432,1.0000 7.750,0.9711,0.02769,0.01811,-0.0010,0.2380,1.0000 8.000,0.9652,0.02800,0.01841,0.0043,0.2338,1.0000 8.250,0.9583,0.02834,0.01871,0.0098,0.2301,1.0000 8.500,0.9568,0.02873,0.01917,0.0142,0.2255,1.0000 8.750,0.9551,0.02920,0.01967,0.0185,0.2205,1.0000 9.000,0.9531,0.02977,0.02021,0.0226,0.2155,1.0000 9.250,0.9543,0.03042,0.02090,0.0260,0.2093,1.0000 9.500,0.9547,0.03118,0.02168,0.0293,0.2029,1.0000 9.750,0.9565,0.03206,0.02256,0.0321,0.1967,1.0000 10.000,0.9598,0.03303,0.02358,0.0344,0.1900,1.0000 10.250,0.9622,0.03418,0.02473,0.0366,0.1837,1.0000 10.500,0.9656,0.03544,0.02605,0.0383,0.1761,1.0000 10.750,0.9675,0.03691,0.02754,0.0399,0.1687,1.0000 11.000,0.9679,0.03864,0.02928,0.0413,0.1606,1.0000 11.250,0.9683,0.04053,0.03122,0.0423,0.1518,1.0000 11.500,0.9665,0.04275,0.03346,0.0432,0.1432,1.0000 11.750,0.9624,0.04532,0.03605,0.0438,0.1348,1.0000 12.000,0.9568,0.04821,0.03895,0.0441,0.1268,1.0000 12.250,0.9506,0.05135,0.04213,0.0441,0.1195,1.0000 12.500,0.9423,0.05487,0.04568,0.0438,0.1137,1.0000 12.750,0.9329,0.05870,0.04955,0.0433,0.1087,1.0000 13.000,0.9233,0.06272,0.05362,0.0425,0.1048,1.0000 13.250,0.9139,0.06687,0.05782,0.0416,0.1013,1.0000 13.500,0.9036,0.07125,0.06223,0.0405,0.0987,1.0000 13.750,0.8970,0.07525,0.06631,0.0395,0.0963,1.0000 14.000,0.8906,0.07929,0.07041,0.0384,0.0942,1.0000 14.250,0.8847,0.08333,0.07449,0.0372,0.0925,1.0000 14.500,0.8801,0.08720,0.07838,0.0360,0.0911,1.0000 14.750,0.8784,0.09070,0.08191,0.0350,0.0897,1.0000 15.000,0.8780,0.09406,0.08533,0.0340,0.0885,1.0000 15.250,0.8786,0.09731,0.08863,0.0330,0.0873,1.0000