XFOIL Version 6.96 Calculated polar for: LOCKHEED C-5A BL1256 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 1.000 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -17.000 -1.3346 0.05034 0.04736 -0.0529 1.0000 0.0118 -16.750 -1.3621 0.04396 0.04075 -0.0555 1.0000 0.0118 -16.500 -1.3747 0.04000 0.03661 -0.0562 1.0000 0.0119 -16.250 -1.3807 0.03703 0.03349 -0.0560 1.0000 0.0119 -16.000 -1.3824 0.03466 0.03099 -0.0553 1.0000 0.0121 -15.750 -1.3812 0.03272 0.02891 -0.0542 1.0000 0.0122 -15.500 -1.3775 0.03110 0.02718 -0.0527 1.0000 0.0123 -15.250 -1.3699 0.02971 0.02568 -0.0512 1.0000 0.0125 -15.000 -1.3578 0.02842 0.02429 -0.0502 1.0000 0.0126 -14.750 -1.3437 0.02725 0.02301 -0.0493 1.0000 0.0129 -14.500 -1.3281 0.02616 0.02182 -0.0484 1.0000 0.0131 -14.250 -1.3111 0.02516 0.02072 -0.0476 1.0000 0.0133 -14.000 -1.2931 0.02422 0.01968 -0.0469 1.0000 0.0135 -13.750 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0.9965 0.0200 -9.000 -0.8256 0.01358 0.00803 -0.0387 0.9944 0.0202 -8.750 -0.7941 0.01323 0.00764 -0.0397 0.9913 0.0204 -8.500 -0.7630 0.01279 0.00718 -0.0407 0.9864 0.0209 -8.250 -0.7307 0.01242 0.00680 -0.0418 0.9809 0.0214 -8.000 -0.6989 0.01209 0.00646 -0.0428 0.9723 0.0218 -7.750 -0.6681 0.01179 0.00613 -0.0435 0.9613 0.0223 -7.500 -0.6382 0.01151 0.00582 -0.0440 0.9469 0.0227 -7.250 -0.6103 0.01126 0.00551 -0.0440 0.9276 0.0231 -7.000 -0.5841 0.01105 0.00522 -0.0437 0.9042 0.0235 -6.750 -0.5581 0.01087 0.00494 -0.0432 0.8828 0.0239 -6.500 -0.5317 0.01069 0.00468 -0.0429 0.8661 0.0243 -6.250 -0.5048 0.01051 0.00443 -0.0427 0.8530 0.0245 -6.000 -0.4779 0.01029 0.00416 -0.0425 0.8412 0.0252 -5.750 -0.4508 0.01010 0.00394 -0.0424 0.8293 0.0260 -5.500 -0.4234 0.00993 0.00374 -0.0423 0.8181 0.0267 -5.250 -0.3958 0.00978 0.00356 -0.0422 0.8081 0.0275 -5.000 -0.3682 0.00963 0.00337 -0.0421 0.7982 0.0283 -4.750 -0.3405 0.00950 0.00319 -0.0421 0.7877 0.0290 -4.500 -0.3129 0.00935 0.00300 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-0.0424 0.5395 0.1445 0.500 0.2501 0.00791 0.00126 -0.0424 0.5038 0.1666 1.000 0.3020 0.00721 0.00124 -0.0426 0.4006 0.5423 1.250 0.3286 0.00730 0.00135 -0.0425 0.3544 0.6064 1.500 0.3523 0.00798 0.00161 -0.0421 0.2243 0.6343 1.750 0.3782 0.00836 0.00179 -0.0418 0.1587 0.6598 2.000 0.4056 0.00854 0.00190 -0.0417 0.1331 0.6754 2.250 0.4334 0.00864 0.00200 -0.0417 0.1227 0.6927 2.500 0.4612 0.00874 0.00211 -0.0417 0.1116 0.7109 2.750 0.4883 0.00892 0.00225 -0.0415 0.0898 0.7308 3.000 0.5157 0.00904 0.00239 -0.0414 0.0824 0.7505 3.250 0.5433 0.00914 0.00253 -0.0413 0.0770 0.7702 3.500 0.5707 0.00930 0.00268 -0.0411 0.0686 0.7850 3.750 0.5976 0.00950 0.00284 -0.0410 0.0553 0.7991 4.000 0.6248 0.00968 0.00300 -0.0408 0.0501 0.8089 4.250 0.6520 0.00986 0.00318 -0.0407 0.0474 0.8161 4.500 0.6791 0.01005 0.00337 -0.0405 0.0449 0.8237 4.750 0.7064 0.01022 0.00355 -0.0403 0.0437 0.8310 5.000 0.7333 0.01038 0.00374 -0.0401 0.0426 0.8392 5.250 0.7603 0.01057 0.00394 -0.0400 0.0412 0.8473 5.500 0.7868 0.01076 0.00415 -0.0397 0.0402 0.8557 6.000 0.8394 0.01120 0.00464 -0.0391 0.0383 0.8722 6.250 0.8653 0.01147 0.00493 -0.0388 0.0373 0.8808 6.500 0.8912 0.01166 0.00515 -0.0384 0.0368 0.8900 6.750 0.9172 0.01185 0.00538 -0.0380 0.0362 0.8986 7.000 0.9428 0.01206 0.00562 -0.0376 0.0356 0.9081 7.250 0.9678 0.01226 0.00587 -0.0371 0.0349 0.9181 7.500 0.9921 0.01247 0.00613 -0.0364 0.0341 0.9312 7.750 1.0154 0.01267 0.00638 -0.0354 0.0334 0.9514 8.000 1.0428 0.01292 0.00665 -0.0355 0.0326 1.0000 8.250 1.0682 0.01326 0.00698 -0.0352 0.0317 1.0000 8.500 1.0936 0.01358 0.00732 -0.0349 0.0310 1.0000 8.750 1.1192 0.01386 0.00762 -0.0347 0.0305 1.0000 9.000 1.1446 0.01415 0.00793 -0.0344 0.0297 1.0000 9.250 1.1698 0.01445 0.00824 -0.0340 0.0288 1.0000 9.500 1.1947 0.01475 0.00854 -0.0337 0.0277 1.0000 9.750 1.2191 0.01511 0.00888 -0.0333 0.0265 1.0000 10.000 1.2434 0.01545 0.00925 -0.0329 0.0256 1.0000 10.250 1.2673 0.01581 0.00963 -0.0324 0.0246 1.0000 10.500 1.2910 0.01618 0.01001 -0.0319 0.0235 1.0000 10.750 1.3141 0.01658 0.01041 -0.0313 0.0224 1.0000 11.000 1.3367 0.01701 0.01086 -0.0306 0.0215 1.0000 11.250 1.3589 0.01745 0.01133 -0.0299 0.0207 1.0000 11.500 1.3806 0.01792 0.01182 -0.0292 0.0199 1.0000 11.750 1.4017 0.01842 0.01234 -0.0283 0.0192 1.0000 12.000 1.4219 0.01896 0.01289 -0.0274 0.0185 1.0000 12.250 1.4417 0.01950 0.01348 -0.0264 0.0181 1.0000 12.500 1.4608 0.02006 0.01408 -0.0253 0.0177 1.0000 12.750 1.4785 0.02064 0.01471 -0.0240 0.0173 1.0000 13.000 1.4940 0.02125 0.01536 -0.0224 0.0169 1.0000 13.250 1.5087 0.02191 0.01608 -0.0207 0.0165 1.0000 13.500 1.5228 0.02264 0.01685 -0.0191 0.0163 1.0000 13.750 1.5360 0.02342 0.01768 -0.0174 0.0160 1.0000 14.000 1.5485 0.02429 0.01860 -0.0158 0.0157 1.0000 14.250 1.5600 0.02525 0.01962 -0.0142 0.0154 1.0000 14.500 1.5705 0.02632 0.02076 -0.0127 0.0152 1.0000 14.750 1.5814 0.02740 0.02192 -0.0114 0.0150 1.0000 15.000 1.5920 0.02854 0.02313 -0.0102 0.0149 1.0000 15.250 1.6017 0.02979 0.02446 -0.0090 0.0147 1.0000 15.500 1.6105 0.03117 0.02592 -0.0080 0.0146 1.0000 15.750 1.6185 0.03267 0.02750 -0.0070 0.0144 1.0000 16.000 1.6257 0.03429 0.02921 -0.0062 0.0143 1.0000 16.250 1.6318 0.03606 0.03107 -0.0055 0.0142 1.0000 16.500 1.6367 0.03799 0.03309 -0.0048 0.0140 1.0000 16.750 1.6406 0.04008 0.03527 -0.0044 0.0139 1.0000 17.000 1.6432 0.04236 0.03764 -0.0040 0.0138 1.0000 17.250 1.6445 0.04483 0.04021 -0.0038 0.0136 1.0000 17.500 1.6442 0.04756 0.04304 -0.0038 0.0135 1.0000 17.750 1.6424 0.05054 0.04611 -0.0039 0.0134 1.0000 18.000 1.6386 0.05384 0.04951 -0.0043 0.0132 1.0000 18.250 1.6332 0.05751 0.05329 -0.0050 0.0131 1.0000 18.500 1.6258 0.06158 0.05747 -0.0061 0.0130 1.0000 18.750 1.6159 0.06617 0.06218 -0.0075 0.0129 1.0000 19.000 1.6039 0.07128 0.06742 -0.0094 0.0128 1.0000 19.250 1.5882 0.07715 0.07342 -0.0118 0.0127 1.0000