XFOIL Version 6.96 Calculated polar for: BOEING-VERTOL VR-8 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.050 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -7.750 -0.5086 0.09234 0.08576 0.0146 1.0000 0.3635 -7.500 -0.5069 0.08967 0.08316 0.0159 1.0000 0.3892 -7.250 -0.4970 0.08651 0.08004 0.0176 1.0000 0.4177 -7.000 -0.4802 0.08287 0.07641 0.0194 1.0000 0.4482 -6.500 -0.4574 0.07687 0.07047 0.0234 1.0000 0.5144 -5.500 -0.5099 0.04825 0.04079 -0.0240 1.0000 0.1847 -5.250 -0.4864 0.04293 0.03486 -0.0247 1.0000 0.1496 -5.000 -0.4629 0.03941 0.03026 -0.0240 1.0000 0.1284 -4.750 -0.4411 0.03581 0.02648 -0.0231 1.0000 0.1228 -4.500 -0.4186 0.03312 0.02334 -0.0220 1.0000 0.1220 -4.250 -0.3947 0.03068 0.02049 -0.0209 1.0000 0.1214 -4.000 -0.3691 0.02842 0.01778 -0.0196 1.0000 0.1188 -3.750 -0.3432 0.02647 0.01547 -0.0184 1.0000 0.1185 -3.500 -0.3170 0.02472 0.01359 -0.0172 1.0000 0.1204 -3.250 -0.2912 0.02328 0.01205 -0.0159 1.0000 0.1249 -3.000 -0.2669 0.02195 0.01074 -0.0147 1.0000 0.1358 -2.750 -0.2439 0.02075 0.00955 -0.0135 1.0000 0.1492 -2.500 -0.0847 0.01652 0.00789 -0.0277 1.0000 1.0000 -2.250 -0.0760 0.01614 0.00734 -0.0257 1.0000 1.0000 -2.000 -0.0690 0.01585 0.00691 -0.0233 1.0000 1.0000 -1.750 -0.0632 0.01566 0.00656 -0.0206 1.0000 1.0000 -1.500 -0.0578 0.01558 0.00635 -0.0177 1.0000 1.0000 -1.250 -0.0537 0.01562 0.00626 -0.0147 1.0000 1.0000 -1.000 -0.0514 0.01579 0.00629 -0.0114 1.0000 1.0000 -0.750 -0.0482 0.01605 0.00641 -0.0084 1.0000 1.0000 -0.500 -0.0421 0.01638 0.00657 -0.0061 1.0000 1.0000 -0.250 -0.0331 0.01674 0.00678 -0.0043 1.0000 1.0000 0.000 -0.0220 0.01713 0.00703 -0.0029 1.0000 1.0000 0.250 -0.0093 0.01755 0.00730 -0.0018 1.0000 1.0000 0.500 0.0046 0.01800 0.00764 -0.0010 1.0000 1.0000 0.750 0.0193 0.01848 0.00802 -0.0003 1.0000 1.0000 1.000 0.0347 0.01899 0.00844 0.0002 1.0000 1.0000 1.250 0.0766 0.01984 0.00924 -0.0043 0.9887 1.0000 1.500 0.1212 0.02072 0.01010 -0.0092 0.9756 1.0000 1.750 0.1645 0.02155 0.01095 -0.0136 0.9624 1.0000 2.000 0.2308 0.02232 0.01185 -0.0216 0.9399 1.0000 2.250 0.3073 0.02250 0.01221 -0.0300 0.9071 1.0000 2.500 0.3754 0.02247 0.01241 -0.0367 0.8831 1.0000 2.750 0.4208 0.02252 0.01270 -0.0392 0.8608 1.0000 3.000 0.4631 0.02262 0.01301 -0.0411 0.8419 1.0000 3.250 0.5021 0.02263 0.01324 -0.0418 0.8218 1.0000 3.500 0.5379 0.02235 0.01324 -0.0410 0.7956 1.0000 3.750 0.5623 0.02253 0.01363 -0.0392 0.7726 1.0000 4.000 0.5893 0.02245 0.01377 -0.0370 0.7478 1.0000 4.250 0.6127 0.02167 0.01311 -0.0321 0.7072 1.0000 4.500 0.6298 0.02099 0.01251 -0.0266 0.6584 1.0000 4.750 0.6441 0.02015 0.01168 -0.0205 0.5933 1.0000 5.000 0.6521 0.01966 0.01109 -0.0141 0.4697 1.0000 5.250 0.6476 0.02284 0.01199 -0.0086 0.1842 1.0000 5.500 0.6625 0.02501 0.01376 -0.0066 0.1491 1.0000 5.750 0.6827 0.02670 0.01539 -0.0050 0.1317 1.0000 6.000 0.7070 0.02843 0.01708 -0.0038 0.1203 1.0000 6.250 0.7360 0.03035 0.01913 -0.0029 0.1139 1.0000 6.500 0.7666 0.03302 0.02175 -0.0025 0.1102 1.0000 6.750 0.7937 0.03565 0.02482 -0.0016 0.1088 1.0000 7.000 0.8179 0.03875 0.02838 -0.0005 0.1084 1.0000 7.250 0.8372 0.04190 0.03211 0.0008 0.1068 1.0000 7.500 0.8527 0.04529 0.03605 0.0022 0.1048 1.0000 7.750 0.8659 0.04944 0.04069 0.0035 0.1065 1.0000 8.000 0.8780 0.05404 0.04563 0.0045 0.1090 1.0000 8.250 0.8777 0.05861 0.05094 0.0057 0.1139 1.0000 8.500 0.8698 0.06415 0.05697 0.0061 0.1192 1.0000 8.750 0.8717 0.06938 0.06236 0.0062 0.1225 1.0000 9.000 0.8370 0.07581 0.06919 0.0040 0.1325 1.0000 9.250 0.8184 0.08186 0.07532 0.0019 0.1411 1.0000 9.500 0.7805 0.08990 0.08328 -0.0052 0.1471 1.0000 9.750 0.6649 0.09107 0.08470 -0.0054 0.1489 1.0000