Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca66-018-il-200000 Airfoil,naca66-018-il Reynolds number,200000 Ncrit,9 Mach,0 Max Cl/Cd,30.9937 Max Cl/Cd alpha,6.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca66-018-il-200000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -14.250,-0.3440,0.11372,0.11030,-0.0700,0.9633,0.0929 -14.000,-0.7117,0.05922,0.05464,-0.0859,0.9781,0.0462 -13.750,-0.7205,0.05399,0.04923,-0.0864,0.9747,0.0452 -13.500,-0.8495,0.06165,0.05655,-0.0762,0.9834,0.0485 -13.250,-0.8583,0.06464,0.05938,-0.0763,0.9744,0.0549 -13.000,-0.8971,0.05026,0.04379,-0.0729,0.9692,0.0406 -12.750,-0.8928,0.04845,0.04165,-0.0721,0.9619,0.0403 -12.500,-0.8803,0.04554,0.03846,-0.0720,0.9563,0.0403 -12.250,-0.8555,0.04175,0.03442,-0.0731,0.9522,0.0408 -12.000,-0.8276,0.03918,0.03164,-0.0742,0.9483,0.0411 -11.750,-0.7970,0.03702,0.02927,-0.0753,0.9449,0.0414 -11.500,-0.7657,0.03530,0.02743,-0.0763,0.9408,0.0420 -11.250,-0.7326,0.03388,0.02587,-0.0774,0.9371,0.0424 -11.000,-0.7009,0.03278,0.02468,-0.0782,0.9337,0.0436 -10.750,-0.6712,0.03183,0.02363,-0.0787,0.9301,0.0449 -10.500,-0.6441,0.03103,0.02270,-0.0788,0.9260,0.0462 -10.250,-0.6127,0.03022,0.02183,-0.0793,0.9226,0.0479 -10.000,-0.5834,0.02950,0.02120,-0.0796,0.9195,0.0499 -9.750,-0.5616,0.02890,0.02058,-0.0790,0.9159,0.0520 -9.500,-0.5418,0.02830,0.01993,-0.0783,0.9119,0.0543 -9.250,-0.5253,0.02752,0.01919,-0.0772,0.9083,0.0566 -9.000,-0.5120,0.02682,0.01852,-0.0758,0.9049,0.0600 -8.750,-0.4977,0.02629,0.01790,-0.0743,0.9020,0.0640 -8.500,-0.4892,0.02533,0.01702,-0.0726,0.8984,0.0685 -8.000,-0.4702,0.02379,0.01550,-0.0689,0.8915,0.0860 -7.750,-0.4696,0.02266,0.01460,-0.0657,0.8883,0.1139 -7.500,-0.4850,0.02103,0.01362,-0.0605,0.8850,0.2109 -7.250,-0.5040,0.01954,0.01273,-0.0549,0.8802,0.3104 -7.000,-0.5243,0.01839,0.01204,-0.0483,0.8754,0.3926 -6.750,-0.5430,0.01752,0.01166,-0.0410,0.8717,0.4767 -6.500,-0.4796,0.02003,0.01496,-0.0435,0.8719,0.6272 -6.250,-0.5093,0.01911,0.01396,-0.0349,0.8683,0.6492 -6.000,-0.5291,0.01960,0.01445,-0.0272,0.8638,0.6641 -5.750,-0.5285,0.02052,0.01532,-0.0221,0.8607,0.6784 -5.500,-0.4712,0.02236,0.01708,-0.0258,0.8603,0.6912 -5.250,-0.3123,0.02786,0.02238,-0.0418,0.8653,0.6997 -5.000,-0.2536,0.02929,0.02370,-0.0458,0.8652,0.7013 -4.750,-0.2521,0.02954,0.02392,-0.0422,0.8620,0.7135 -4.500,-0.2071,0.03028,0.02458,-0.0446,0.8610,0.7160 -4.250,-0.1598,0.03099,0.02521,-0.0475,0.8602,0.7180 -4.000,-0.1618,0.03119,0.02539,-0.0433,0.8575,0.7302 -3.750,-0.1204,0.03161,0.02575,-0.0455,0.8569,0.7327 -3.500,-0.0764,0.03204,0.02612,-0.0482,0.8563,0.7348 -3.250,-0.0401,0.03238,0.02642,-0.0498,0.8555,0.7384 -3.000,-0.0407,0.03244,0.02646,-0.0457,0.8535,0.7495 -2.750,0.0013,0.03261,0.02659,-0.0481,0.8528,0.7515 -2.500,0.0370,0.03278,0.02673,-0.0497,0.8520,0.7547 -2.250,0.0131,0.03351,0.02749,-0.0421,0.8485,0.7665 -2.000,0.0426,0.03403,0.02801,-0.0429,0.8463,0.7689 -1.750,0.0607,0.03459,0.02858,-0.0417,0.8437,0.7730 -1.500,0.0233,0.03507,0.02907,-0.0311,0.8389,0.7841 -1.250,0.0693,0.03508,0.02907,-0.0346,0.8380,0.7859 -1.000,-0.0647,0.03644,0.03048,-0.0063,0.8282,0.8009 -0.750,-0.0334,0.03673,0.03077,-0.0073,0.8255,0.8028 -0.500,-0.1307,0.03609,0.03011,0.0147,0.8188,0.8170 -0.250,-0.0519,0.03642,0.03043,0.0050,0.8185,0.8161 0.000,-0.0042,0.03624,0.03024,0.0008,0.8175,0.8179 0.250,0.0443,0.03642,0.03044,-0.0036,0.8155,0.8189 0.500,0.1254,0.03612,0.03014,-0.0138,0.8166,0.8192 0.750,0.0307,0.03673,0.03077,0.0078,0.8025,0.8257 1.000,0.0642,0.03648,0.03052,0.0064,0.8007,0.8282 1.250,-0.0725,0.03502,0.02900,0.0352,0.7856,0.8382 1.500,-0.0291,0.03499,0.02899,0.0321,0.7837,0.8392 1.750,0.0191,0.03497,0.02898,0.0281,0.7824,0.8399 2.000,-0.0415,0.03409,0.02808,0.0427,0.7687,0.8461 2.250,-0.0117,0.03364,0.02762,0.0420,0.7663,0.8482 2.500,0.0189,0.03318,0.02717,0.0410,0.7638,0.8498 2.750,-0.0035,0.03256,0.02653,0.0484,0.7512,0.8530 3.000,0.0387,0.03238,0.02639,0.0459,0.7491,0.8537 3.250,0.0778,0.03220,0.02626,0.0439,0.7464,0.8544 3.500,0.0751,0.03200,0.02608,0.0484,0.7346,0.8564 3.750,0.1184,0.03159,0.02572,0.0458,0.7324,0.8570 4.000,0.1650,0.03112,0.02532,0.0427,0.7309,0.8575 4.250,0.1587,0.03099,0.02521,0.0477,0.7177,0.8602 4.500,0.2056,0.03029,0.02459,0.0448,0.7157,0.8609 4.750,0.2569,0.02946,0.02385,0.0414,0.7144,0.8615 5.000,0.2528,0.02933,0.02374,0.0459,0.7011,0.8652 5.250,0.3100,0.02795,0.02248,0.0421,0.6994,0.8654 5.500,0.4779,0.02218,0.01691,0.0248,0.6910,0.8599 5.750,0.5315,0.02046,0.01526,0.0217,0.6783,0.8604 6.000,0.5296,0.01960,0.01445,0.0272,0.6636,0.8638 6.250,0.5094,0.01912,0.01398,0.0349,0.6489,0.8683 6.500,0.4789,0.02003,0.01496,0.0435,0.6264,0.8720 6.750,0.5427,0.01751,0.01164,0.0410,0.4756,0.8718 7.000,0.5246,0.01837,0.01202,0.0482,0.3928,0.8754 7.250,0.5037,0.01956,0.01273,0.0549,0.3091,0.8800 7.500,0.4847,0.02104,0.01363,0.0605,0.2096,0.8851 7.750,0.4697,0.02267,0.01460,0.0657,0.1129,0.8884 8.000,0.4702,0.02380,0.01551,0.0689,0.0852,0.8915 8.250,0.4779,0.02464,0.01630,0.0710,0.0746,0.8949 8.500,0.4896,0.02533,0.01701,0.0726,0.0683,0.8984 8.750,0.4978,0.02630,0.01791,0.0743,0.0639,0.9020 9.000,0.5123,0.02684,0.01853,0.0757,0.0602,0.9050 9.250,0.5263,0.02750,0.01918,0.0771,0.0570,0.9083 9.500,0.5424,0.02830,0.01993,0.0782,0.0541,0.9120 9.750,0.5626,0.02889,0.02058,0.0789,0.0520,0.9158 10.000,0.5847,0.02951,0.02120,0.0794,0.0498,0.9194 10.250,0.6114,0.03016,0.02181,0.0794,0.0481,0.9228 10.500,0.6453,0.03105,0.02272,0.0786,0.0461,0.9259 10.750,0.6715,0.03182,0.02362,0.0787,0.0448,0.9302 11.000,0.7002,0.03274,0.02464,0.0783,0.0434,0.9339 11.250,0.7333,0.03392,0.02594,0.0773,0.0427,0.9371 11.500,0.7658,0.03529,0.02742,0.0763,0.0418,0.9409 11.750,0.7964,0.03697,0.02924,0.0754,0.0413,0.9452 12.000,0.8260,0.03907,0.03155,0.0744,0.0411,0.9487 12.250,0.8521,0.04156,0.03427,0.0735,0.0408,0.9529 12.500,0.8646,0.04384,0.03688,0.0743,0.0411,0.9596 12.750,0.8574,0.04748,0.04117,0.0761,0.0421,0.9664 13.000,0.8551,0.05129,0.04542,0.0766,0.0426,0.9729 13.250,0.8468,0.05643,0.05103,0.0766,0.0444,0.9783 13.500,0.8508,0.06124,0.05605,0.0756,0.0460,0.9836 13.750,0.7208,0.05393,0.04917,0.0863,0.0452,0.9747 14.000,0.7138,0.05905,0.05445,0.0858,0.0461,0.9781 14.250,0.3437,0.11350,0.11008,0.0699,0.0929,0.9631