Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca23021-il-50000-n5 Airfoil,naca23021-il Reynolds number,50000 Ncrit,5 Mach,0 Max Cl/Cd,24.8044 Max Cl/Cd alpha,5.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca23021-il-50000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -15.750,-0.7483,0.09471,0.08494,-0.0521,1.0000,0.1191 -15.500,-0.7589,0.08966,0.07983,-0.0538,1.0000,0.1213 -15.250,-0.7566,0.08672,0.07687,-0.0543,1.0000,0.1239 -15.000,-0.7807,0.08007,0.07001,-0.0567,1.0000,0.1265 -14.750,-0.8059,0.07371,0.06337,-0.0587,1.0000,0.1291 -14.500,-0.8101,0.07021,0.05976,-0.0591,1.0000,0.1319 -14.250,-0.8003,0.06853,0.05814,-0.0586,1.0000,0.1354 -14.000,-0.8044,0.06524,0.05472,-0.0587,1.0000,0.1393 -13.750,-0.8081,0.06209,0.05143,-0.0586,1.0000,0.1433 -13.500,-0.7974,0.06066,0.05011,-0.0578,1.0000,0.1478 -13.250,-0.7989,0.05794,0.04726,-0.0574,1.0000,0.1528 -13.000,-0.7929,0.05613,0.04551,-0.0566,1.0000,0.1579 -12.750,-0.7904,0.05409,0.04346,-0.0557,1.0000,0.1639 -12.500,-0.7881,0.05210,0.04148,-0.0546,1.0000,0.1702 -12.250,-0.7851,0.05034,0.03975,-0.0534,1.0000,0.1771 -12.000,-0.7837,0.04852,0.03796,-0.0519,1.0000,0.1843 -11.750,-0.7831,0.04683,0.03630,-0.0502,1.0000,0.1925 -11.500,-0.7823,0.04532,0.03486,-0.0482,1.0000,0.2007 -11.250,-0.7851,0.04369,0.03320,-0.0459,1.0000,0.2101 -11.000,-0.7853,0.04252,0.03219,-0.0432,1.0000,0.2189 -10.750,-0.7902,0.04118,0.03086,-0.0399,1.0000,0.2290 -10.500,-0.7949,0.04016,0.02992,-0.0363,1.0000,0.2389 -10.250,-0.8015,0.03920,0.02904,-0.0322,1.0000,0.2489 -10.000,-0.8130,0.03826,0.02808,-0.0272,1.0000,0.2596 -9.750,-0.8225,0.03767,0.02761,-0.0219,1.0000,0.2692 -9.500,-0.8386,0.03694,0.02685,-0.0157,1.0000,0.2797 -9.250,-0.8460,0.03645,0.02646,-0.0105,1.0000,0.2909 -9.000,-0.8534,0.03591,0.02596,-0.0054,1.0000,0.3029 -8.750,-0.8617,0.03530,0.02531,-0.0001,1.0000,0.3160 -8.500,-0.8616,0.03500,0.02513,0.0041,1.0000,0.3287 -8.250,-0.8628,0.03458,0.02474,0.0084,1.0000,0.3418 -8.000,-0.8637,0.03414,0.02426,0.0126,1.0000,0.3554 -7.750,-0.8500,0.03395,0.02416,0.0146,0.9978,0.3690 -7.500,-0.8153,0.03370,0.02389,0.0127,0.9893,0.3861 -7.250,-0.7816,0.03341,0.02355,0.0110,0.9799,0.4024 -7.000,-0.7510,0.03303,0.02307,0.0097,0.9698,0.4184 -6.750,-0.7108,0.03299,0.02306,0.0074,0.9616,0.4335 -6.500,-0.6799,0.03284,0.02293,0.0066,0.9504,0.4478 -6.250,-0.6472,0.03267,0.02273,0.0055,0.9403,0.4646 -6.000,-0.6162,0.03245,0.02246,0.0047,0.9295,0.4823 -5.750,-0.5826,0.03250,0.02256,0.0040,0.9186,0.4973 -5.500,-0.5430,0.03237,0.02244,0.0020,0.9093,0.5113 -5.250,-0.5194,0.03190,0.02186,0.0023,0.8966,0.5253 -5.000,-0.4719,0.03188,0.02189,-0.0006,0.8886,0.5366 -4.750,-0.4471,0.03150,0.02145,-0.0002,0.8759,0.5496 -4.500,-0.4037,0.03135,0.02132,-0.0025,0.8672,0.5614 -4.250,-0.3784,0.03108,0.02102,-0.0019,0.8545,0.5738 -4.000,-0.3393,0.03084,0.02077,-0.0034,0.8452,0.5864 -3.750,-0.3126,0.03068,0.02060,-0.0029,0.8321,0.5981 -3.500,-0.2770,0.03035,0.02023,-0.0038,0.8226,0.6118 -3.250,-0.2485,0.03031,0.02022,-0.0034,0.8092,0.6226 -3.000,-0.2160,0.02987,0.01970,-0.0038,0.7995,0.6373 -2.750,-0.1850,0.02999,0.01987,-0.0037,0.7856,0.6472 -2.500,-0.1514,0.02955,0.01936,-0.0041,0.7762,0.6617 -2.250,-0.1220,0.02970,0.01955,-0.0037,0.7612,0.6717 -2.000,-0.0913,0.02939,0.01918,-0.0036,0.7504,0.6856 -1.750,-0.0588,0.02946,0.01927,-0.0035,0.7361,0.6962 -1.500,-0.0330,0.02931,0.01908,-0.0027,0.7228,0.7094 -1.250,0.0050,0.02927,0.01901,-0.0034,0.7101,0.7205 -1.000,0.0281,0.02927,0.01899,-0.0021,0.6948,0.7332 -0.750,0.0655,0.02921,0.01887,-0.0028,0.6823,0.7445 -0.250,0.1203,0.02937,0.01898,-0.0014,0.6523,0.7692 0.000,0.1569,0.02934,0.01886,-0.0020,0.6396,0.7803 0.250,0.1786,0.02953,0.01905,-0.0007,0.6240,0.7941 0.500,0.2150,0.02971,0.01919,-0.0015,0.6099,0.8040 0.750,0.2385,0.02970,0.01910,-0.0003,0.5968,0.8189 1.000,0.2767,0.03005,0.01944,-0.0017,0.5812,0.8272 1.250,0.3011,0.03003,0.01933,-0.0007,0.5693,0.8418 1.500,0.3414,0.03033,0.01961,-0.0025,0.5537,0.8495 1.750,0.3620,0.03049,0.01974,-0.0013,0.5407,0.8640 2.000,0.4082,0.03063,0.01975,-0.0041,0.5274,0.8708 2.250,0.4271,0.03089,0.02005,-0.0028,0.5135,0.8852 2.500,0.4724,0.03115,0.02024,-0.0059,0.4995,0.8918 2.750,0.5031,0.03130,0.02032,-0.0065,0.4871,0.9037 3.000,0.5392,0.03164,0.02067,-0.0084,0.4733,0.9124 3.250,0.5739,0.03175,0.02062,-0.0096,0.4627,0.9232 3.500,0.6074,0.03218,0.02113,-0.0114,0.4489,0.9326 3.750,0.6387,0.03241,0.02126,-0.0123,0.4387,0.9438 4.000,0.6762,0.03280,0.02170,-0.0147,0.4262,0.9522 4.250,0.7092,0.03312,0.02196,-0.0162,0.4162,0.9626 4.500,0.7458,0.03352,0.02240,-0.0186,0.4049,0.9713 4.750,0.7825,0.03387,0.02271,-0.0209,0.3956,0.9803 5.000,0.8169,0.03439,0.02330,-0.0232,0.3851,0.9895 5.250,0.8565,0.03466,0.02349,-0.0260,0.3762,0.9972 5.500,0.8696,0.03529,0.02424,-0.0246,0.3673,1.0000 5.750,0.8813,0.03553,0.02440,-0.0223,0.3605,1.0000 6.000,0.8861,0.03608,0.02499,-0.0192,0.3534,1.0000 6.250,0.8885,0.03666,0.02562,-0.0157,0.3460,1.0000 6.500,0.9011,0.03683,0.02566,-0.0133,0.3394,1.0000 6.750,0.8982,0.03761,0.02654,-0.0091,0.3326,1.0000 7.000,0.8982,0.03820,0.02716,-0.0052,0.3257,1.0000 7.250,0.9123,0.03829,0.02709,-0.0030,0.3193,1.0000 7.500,0.9008,0.03934,0.02828,0.0024,0.3131,1.0000 7.750,0.8975,0.04005,0.02902,0.0067,0.3069,1.0000 8.000,0.9112,0.04018,0.02901,0.0089,0.3010,1.0000 8.250,0.8959,0.04135,0.03028,0.0146,0.2956,1.0000 8.500,0.8815,0.04241,0.03140,0.0200,0.2904,1.0000 8.750,0.8866,0.04288,0.03181,0.0231,0.2848,1.0000 9.000,0.8856,0.04375,0.03267,0.0265,0.2796,1.0000 9.250,0.8646,0.04576,0.03481,0.0312,0.2741,1.0000 9.500,0.8669,0.04670,0.03573,0.0337,0.2679,1.0000 9.750,0.8727,0.04759,0.03658,0.0357,0.2620,1.0000 10.000,0.8456,0.05097,0.04014,0.0387,0.2561,1.0000 10.250,0.8542,0.05175,0.04089,0.0401,0.2494,1.0000 10.500,0.8396,0.05472,0.04394,0.0416,0.2429,1.0000 10.750,0.8164,0.05890,0.04826,0.0424,0.2358,1.0000 11.000,0.8368,0.05869,0.04793,0.0434,0.2292,1.0000 11.250,0.7746,0.06825,0.05781,0.0421,0.2210,1.0000 11.500,0.8065,0.06658,0.05603,0.0434,0.2154,1.0000 11.750,0.7279,0.07998,0.06974,0.0395,0.2047,1.0000 12.000,0.7673,0.07691,0.06657,0.0414,0.2003,1.0000 12.250,0.7085,0.08863,0.07848,0.0375,0.1884,1.0000 12.750,0.7105,0.09413,0.08401,0.0365,0.1731,1.0000 13.000,0.6838,0.10172,0.09165,0.0339,0.1618,1.0000 13.500,0.6901,0.10707,0.09697,0.0326,0.1484,1.0000 14.000,0.6803,0.11584,0.10571,0.0298,0.1363,1.0000 14.250,0.6396,0.12799,0.11790,0.0249,0.1279,1.0000 14.500,0.6553,0.12863,0.11851,0.0250,0.1263,1.0000