Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-clarky-il-500000 Airfoil,clarky-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,98.6585 Max Cl/Cd alpha,3.75 Url,http://airfoiltools.com/polar/csv?polar=xf-clarky-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.250,-0.3940,0.08504,0.08280,-0.0444,1.0000,0.0381 -9.000,-0.4033,0.08275,0.08056,-0.0431,1.0000,0.0387 -8.750,-0.4929,0.04594,0.04332,-0.0802,0.9855,0.0348 -8.500,-0.4974,0.03456,0.03116,-0.0866,0.9772,0.0344 -8.250,-0.4759,0.02994,0.02595,-0.0893,0.9733,0.0352 -8.000,-0.4463,0.02768,0.02325,-0.0914,0.9710,0.0358 -7.750,-0.4301,0.02331,0.01843,-0.0916,0.9643,0.0365 -7.500,-0.4024,0.02155,0.01653,-0.0925,0.9600,0.0373 -7.250,-0.3722,0.02018,0.01500,-0.0935,0.9568,0.0379 -7.000,-0.3479,0.01919,0.01389,-0.0931,0.9498,0.0386 -6.750,-0.3205,0.01829,0.01288,-0.0932,0.9443,0.0394 -6.500,-0.2942,0.01724,0.01167,-0.0930,0.9387,0.0399 -6.250,-0.2696,0.01629,0.01057,-0.0923,0.9311,0.0403 -6.000,-0.2426,0.01543,0.00958,-0.0921,0.9257,0.0408 -5.750,-0.2181,0.01471,0.00876,-0.0913,0.9173,0.0413 -5.500,-0.1915,0.01408,0.00802,-0.0910,0.9110,0.0419 -5.250,-0.1658,0.01361,0.00747,-0.0904,0.9029,0.0426 -5.000,-0.1391,0.01312,0.00689,-0.0900,0.8960,0.0430 -4.750,-0.1139,0.01244,0.00613,-0.0894,0.8877,0.0436 -4.500,-0.0885,0.01171,0.00534,-0.0889,0.8804,0.0446 -4.250,-0.0629,0.01125,0.00485,-0.0884,0.8713,0.0457 -4.000,-0.0363,0.01091,0.00444,-0.0879,0.8630,0.0469 -3.750,-0.0102,0.01061,0.00411,-0.0875,0.8528,0.0482 -3.500,0.0167,0.01036,0.00381,-0.0871,0.8441,0.0499 -3.250,0.0438,0.01016,0.00354,-0.0868,0.8350,0.0516 -3.000,0.0703,0.00985,0.00319,-0.0864,0.8255,0.0547 -2.750,0.0975,0.00965,0.00296,-0.0861,0.8168,0.0589 -2.500,0.1243,0.00942,0.00275,-0.0857,0.8067,0.0669 -2.250,0.1510,0.00915,0.00254,-0.0854,0.7976,0.0936 -2.000,0.1774,0.00887,0.00238,-0.0851,0.7876,0.1350 -1.750,0.2037,0.00859,0.00228,-0.0848,0.7769,0.1935 -1.500,0.2303,0.00838,0.00221,-0.0846,0.7675,0.2491 -1.250,0.2571,0.00820,0.00215,-0.0844,0.7583,0.2986 -1.000,0.2836,0.00799,0.00210,-0.0841,0.7496,0.3576 -0.750,0.3095,0.00774,0.00206,-0.0838,0.7404,0.4367 -0.500,0.3338,0.00732,0.00205,-0.0831,0.7305,0.5667 -0.250,0.3551,0.00684,0.00209,-0.0816,0.7213,0.7347 0.000,0.3760,0.00652,0.00219,-0.0794,0.7115,0.8796 0.250,0.4107,0.00654,0.00224,-0.0804,0.7020,0.9451 0.500,0.4534,0.00663,0.00225,-0.0833,0.6921,0.9765 0.750,0.5065,0.00669,0.00224,-0.0886,0.6803,0.9953 1.000,0.5439,0.00675,0.00222,-0.0907,0.6684,1.0000 1.250,0.5687,0.00682,0.00222,-0.0901,0.6567,1.0000 1.500,0.5934,0.00691,0.00222,-0.0894,0.6450,1.0000 1.750,0.6180,0.00699,0.00225,-0.0887,0.6323,1.0000 2.000,0.6426,0.00708,0.00228,-0.0880,0.6193,1.0000 2.250,0.6670,0.00719,0.00232,-0.0872,0.6053,1.0000 2.500,0.6912,0.00732,0.00237,-0.0864,0.5901,1.0000 2.750,0.7151,0.00746,0.00244,-0.0855,0.5739,1.0000 3.000,0.7389,0.00761,0.00251,-0.0847,0.5572,1.0000 3.250,0.7624,0.00779,0.00261,-0.0838,0.5390,1.0000 3.500,0.7857,0.00799,0.00271,-0.0828,0.5188,1.0000 3.750,0.8090,0.00820,0.00284,-0.0819,0.4959,1.0000 4.000,0.8315,0.00848,0.00299,-0.0808,0.4690,1.0000 4.250,0.8536,0.00880,0.00315,-0.0797,0.4386,1.0000 4.500,0.8757,0.00914,0.00334,-0.0787,0.4111,1.0000 4.750,0.8987,0.00945,0.00355,-0.0778,0.3891,1.0000 5.000,0.9220,0.00976,0.00376,-0.0770,0.3723,1.0000 5.250,0.9457,0.01004,0.00398,-0.0763,0.3590,1.0000 5.500,0.9697,0.01032,0.00421,-0.0756,0.3484,1.0000 5.750,0.9940,0.01057,0.00444,-0.0750,0.3396,1.0000 6.000,1.0185,0.01082,0.00468,-0.0745,0.3319,1.0000 6.250,1.0426,0.01108,0.00492,-0.0739,0.3237,1.0000 6.500,1.0671,0.01132,0.00517,-0.0733,0.3159,1.0000 6.750,1.0910,0.01160,0.00543,-0.0727,0.3073,1.0000 7.000,1.1155,0.01183,0.00567,-0.0721,0.2979,1.0000 7.250,1.1388,0.01212,0.00594,-0.0715,0.2876,1.0000 7.500,1.1627,0.01238,0.00619,-0.0708,0.2767,1.0000 7.750,1.1866,0.01263,0.00644,-0.0702,0.2648,1.0000 8.000,1.2096,0.01293,0.00672,-0.0695,0.2509,1.0000 8.250,1.2317,0.01328,0.00703,-0.0687,0.2337,1.0000 8.500,1.2520,0.01375,0.00740,-0.0676,0.2092,1.0000 8.750,1.2691,0.01442,0.00789,-0.0660,0.1778,1.0000 9.000,1.2847,0.01519,0.00850,-0.0643,0.1507,1.0000 9.250,1.2999,0.01594,0.00914,-0.0624,0.1304,1.0000 9.500,1.3150,0.01659,0.00973,-0.0605,0.1159,1.0000 9.750,1.3299,0.01726,0.01035,-0.0587,0.1043,1.0000 10.000,1.3447,0.01794,0.01099,-0.0568,0.0940,1.0000 10.250,1.3602,0.01858,0.01163,-0.0551,0.0853,1.0000 10.500,1.3747,0.01929,0.01232,-0.0534,0.0759,1.0000 10.750,1.3868,0.02016,0.01312,-0.0514,0.0621,1.0000 11.000,1.3917,0.02153,0.01429,-0.0487,0.0373,1.0000 11.250,1.3923,0.02324,0.01587,-0.0456,0.0223,1.0000 11.500,1.3998,0.02452,0.01720,-0.0434,0.0198,1.0000 11.750,1.4079,0.02581,0.01857,-0.0415,0.0183,1.0000 12.000,1.4163,0.02711,0.01997,-0.0397,0.0173,1.0000 12.250,1.4223,0.02865,0.02159,-0.0380,0.0164,1.0000 12.500,1.4251,0.03050,0.02353,-0.0361,0.0157,1.0000 12.750,1.4237,0.03282,0.02595,-0.0343,0.0151,1.0000 13.000,1.4287,0.03464,0.02789,-0.0330,0.0148,1.0000 13.250,1.4317,0.03673,0.03008,-0.0319,0.0145,1.0000 13.500,1.4329,0.03907,0.03254,-0.0308,0.0141,1.0000 13.750,1.4323,0.04167,0.03524,-0.0299,0.0138,1.0000 14.000,1.4303,0.04452,0.03820,-0.0293,0.0135,1.0000 14.250,1.4269,0.04763,0.04141,-0.0288,0.0133,1.0000 14.500,1.4220,0.05103,0.04492,-0.0285,0.0130,1.0000 14.750,1.4153,0.05481,0.04879,-0.0286,0.0128,1.0000 15.000,1.4066,0.05897,0.05306,-0.0288,0.0126,1.0000 15.250,1.3959,0.06349,0.05768,-0.0293,0.0124,1.0000 15.500,1.3832,0.06838,0.06268,-0.0300,0.0122,1.0000 15.750,1.3730,0.07302,0.06742,-0.0307,0.0120,1.0000 16.000,1.3700,0.07690,0.07141,-0.0315,0.0119,1.0000 16.250,1.3662,0.08095,0.07557,-0.0325,0.0117,1.0000 16.500,1.3615,0.08517,0.07990,-0.0335,0.0116,1.0000 16.750,1.3564,0.08948,0.08431,-0.0346,0.0114,1.0000 17.000,1.3510,0.09382,0.08876,-0.0358,0.0113,1.0000