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 = 0.500 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -14.000 -1.0964 0.04664 0.04325 -0.0521 1.0000 0.0173 -13.750 -1.1143 0.04190 0.03828 -0.0530 1.0000 0.0174 -13.500 -1.1200 0.03906 0.03527 -0.0524 1.0000 0.0175 -13.250 -1.1205 0.03691 0.03297 -0.0510 1.0000 0.0177 -13.000 -1.1135 0.03512 0.03104 -0.0500 1.0000 0.0179 -12.750 -1.1034 0.03346 0.02924 -0.0492 1.0000 0.0182 -12.500 -1.0915 0.03189 0.02752 -0.0483 1.0000 0.0185 -12.250 -1.0782 0.03035 0.02581 -0.0474 1.0000 0.0188 -12.000 -1.0637 0.02886 0.02413 -0.0466 1.0000 0.0192 -11.750 -1.0481 0.02742 0.02251 -0.0457 1.0000 0.0196 -11.500 -1.0312 0.02609 0.02098 -0.0449 1.0000 0.0200 -11.250 -1.0130 0.02490 0.01960 -0.0441 1.0000 0.0203 -11.000 -0.9941 0.02384 0.01840 -0.0433 1.0000 0.0206 -10.750 -0.9739 0.02305 0.01755 -0.0426 1.0000 0.0210 -10.500 -0.9527 0.02242 0.01686 -0.0419 1.0000 0.0213 -10.250 -0.9311 0.02182 0.01621 -0.0412 1.0000 0.0216 -10.000 -0.9096 0.02123 0.01554 -0.0404 1.0000 0.0220 -9.750 -0.8882 0.02062 0.01486 -0.0396 1.0000 0.0224 -9.500 -0.8669 0.01999 0.01414 -0.0387 1.0000 0.0228 -9.250 -0.8456 0.01936 0.01342 -0.0378 1.0000 0.0232 -9.000 -0.8242 0.01875 0.01272 -0.0369 1.0000 0.0237 -8.750 -0.8027 0.01816 0.01202 -0.0359 1.0000 0.0241 -8.500 -0.7812 0.01760 0.01137 -0.0349 1.0000 0.0244 -8.250 -0.7551 0.01695 0.01066 -0.0350 0.9987 0.0248 -8.000 -0.7227 0.01638 0.01006 -0.0363 0.9956 0.0253 -7.750 -0.6895 0.01594 0.00960 -0.0378 0.9923 0.0259 -7.500 -0.6567 0.01554 0.00916 -0.0391 0.9873 0.0265 -7.250 -0.6225 0.01510 0.00869 -0.0406 0.9823 0.0272 -7.000 -0.5911 0.01468 0.00822 -0.0416 0.9745 0.0279 -6.750 -0.5591 0.01428 0.00775 -0.0426 0.9668 0.0287 -6.500 -0.5268 0.01393 0.00734 -0.0437 0.9579 0.0294 -6.250 -0.4965 0.01345 0.00687 -0.0444 0.9461 0.0304 -6.000 -0.4660 0.01314 0.00655 -0.0450 0.9328 0.0313 -5.750 -0.4369 0.01280 0.00616 -0.0453 0.9169 0.0320 -5.500 -0.4094 0.01246 0.00575 -0.0452 0.8999 0.0327 -5.250 -0.3827 0.01215 0.00537 -0.0449 0.8843 0.0334 -5.000 -0.3562 0.01188 0.00501 -0.0446 0.8708 0.0341 -4.750 -0.3295 0.01164 0.00469 -0.0443 0.8585 0.0347 -4.500 -0.3032 0.01130 0.00432 -0.0440 0.8467 0.0357 -4.250 -0.2763 0.01105 0.00404 -0.0438 0.8360 0.0368 -4.000 -0.2491 0.01085 0.00380 -0.0436 0.8266 0.0380 -3.750 -0.2218 0.01065 0.00357 -0.0435 0.8167 0.0394 -3.500 -0.1943 0.01049 0.00336 -0.0433 0.8078 0.0409 -3.250 -0.1669 0.01027 0.00312 -0.0432 0.7988 0.0429 -3.000 -0.1394 0.01009 0.00293 -0.0431 0.7898 0.0451 -2.750 -0.1118 0.00995 0.00275 -0.0430 0.7802 0.0473 -2.500 -0.0840 0.00981 0.00258 -0.0429 0.7714 0.0498 -2.250 -0.0563 0.00966 0.00244 -0.0429 0.7633 0.0536 -2.000 -0.0282 0.00953 0.00231 -0.0429 0.7561 0.0587 -1.750 -0.0003 0.00940 0.00221 -0.0428 0.7480 0.0673 -1.500 0.0277 0.00927 0.00212 -0.0428 0.7378 0.0800 -1.250 0.0555 0.00917 0.00204 -0.0427 0.7257 0.0947 -1.000 0.0835 0.00908 0.00197 -0.0427 0.7143 0.1091 -0.750 0.1118 0.00899 0.00191 -0.0427 0.7055 0.1222 -0.250 0.1682 0.00880 0.00181 -0.0428 0.6861 0.1561 0.000 0.1961 0.00870 0.00176 -0.0428 0.6708 0.1833 0.250 0.2234 0.00844 0.00167 -0.0428 0.6523 0.2603 0.500 0.2480 0.00733 0.00157 -0.0429 0.6340 0.6062 0.750 0.2753 0.00728 0.00161 -0.0426 0.6153 0.6531 1.000 0.3025 0.00731 0.00164 -0.0424 0.5910 0.6822 1.250 0.3294 0.00741 0.00168 -0.0421 0.5623 0.7019 1.500 0.3565 0.00750 0.00174 -0.0418 0.5361 0.7199 1.750 0.3825 0.00771 0.00183 -0.0413 0.4900 0.7391 2.000 0.4073 0.00808 0.00198 -0.0408 0.4201 0.7585 2.250 0.4321 0.00852 0.00217 -0.0402 0.3534 0.7787 2.500 0.4549 0.00924 0.00247 -0.0395 0.2433 0.7938 2.750 0.4788 0.00981 0.00276 -0.0390 0.1695 0.8073 3.000 0.5045 0.01010 0.00296 -0.0385 0.1395 0.8216 3.250 0.5305 0.01034 0.00315 -0.0381 0.1232 0.8343 3.500 0.5571 0.01053 0.00332 -0.0378 0.1093 0.8434 3.750 0.5830 0.01081 0.00351 -0.0375 0.0909 0.8515 4.000 0.6092 0.01105 0.00371 -0.0371 0.0819 0.8607 4.250 0.6354 0.01124 0.00391 -0.0368 0.0744 0.8693 4.500 0.6615 0.01147 0.00413 -0.0364 0.0662 0.8785 4.750 0.6868 0.01171 0.00434 -0.0359 0.0591 0.8871 5.000 0.7124 0.01195 0.00457 -0.0354 0.0552 0.8966 5.250 0.7370 0.01220 0.00483 -0.0347 0.0523 0.9068 5.500 0.7616 0.01243 0.00509 -0.0340 0.0508 0.9177 5.750 0.7859 0.01266 0.00536 -0.0333 0.0492 0.9301 6.000 0.8101 0.01292 0.00564 -0.0325 0.0476 0.9451 6.250 0.8368 0.01323 0.00596 -0.0324 0.0460 0.9660 6.500 0.8651 0.01365 0.00638 -0.0328 0.0442 1.0000 6.750 0.8911 0.01396 0.00672 -0.0326 0.0434 1.0000 7.000 0.9170 0.01428 0.00706 -0.0324 0.0422 1.0000 7.250 0.9425 0.01463 0.00742 -0.0321 0.0409 1.0000 7.500 0.9676 0.01501 0.00781 -0.0318 0.0398 1.0000 7.750 0.9920 0.01544 0.00824 -0.0314 0.0388 1.0000 8.000 1.0155 0.01596 0.00876 -0.0309 0.0377 1.0000 8.250 1.0390 0.01647 0.00929 -0.0303 0.0369 1.0000 8.500 1.0634 0.01685 0.00972 -0.0299 0.0362 1.0000 8.750 1.0873 0.01726 0.01018 -0.0294 0.0354 1.0000 9.000 1.1109 0.01769 0.01065 -0.0289 0.0345 1.0000 9.250 1.1342 0.01813 0.01112 -0.0283 0.0336 1.0000 9.500 1.1571 0.01859 0.01161 -0.0278 0.0327 1.0000 9.750 1.1790 0.01912 0.01215 -0.0271 0.0319 1.0000 10.000 1.1998 0.01974 0.01279 -0.0262 0.0311 1.0000 10.250 1.2218 0.02021 0.01334 -0.0255 0.0303 1.0000 10.500 1.2431 0.02073 0.01393 -0.0247 0.0295 1.0000 10.750 1.2639 0.02126 0.01451 -0.0238 0.0286 1.0000 11.000 1.2845 0.02177 0.01506 -0.0230 0.0278 1.0000 11.250 1.3043 0.02230 0.01562 -0.0221 0.0270 1.0000 11.500 1.3217 0.02296 0.01629 -0.0208 0.0262 1.0000 11.750 1.3381 0.02359 0.01701 -0.0194 0.0256 1.0000 12.000 1.3540 0.02426 0.01776 -0.0179 0.0248 1.0000 12.250 1.3692 0.02498 0.01855 -0.0164 0.0242 1.0000 12.500 1.3839 0.02575 0.01938 -0.0150 0.0236 1.0000 12.750 1.3978 0.02657 0.02027 -0.0136 0.0231 1.0000 13.000 1.4110 0.02747 0.02122 -0.0123 0.0226 1.0000 13.250 1.4227 0.02851 0.02232 -0.0110 0.0222 1.0000 13.500 1.4329 0.02972 0.02360 -0.0096 0.0219 1.0000 13.750 1.4428 0.03100 0.02498 -0.0084 0.0216 1.0000 14.000 1.4519 0.03238 0.02648 -0.0073 0.0213 1.0000 14.250 1.4602 0.03388 0.02809 -0.0062 0.0210 1.0000 14.500 1.4678 0.03549 0.02980 -0.0053 0.0206 1.0000 14.750 1.4748 0.03720 0.03162 -0.0046 0.0203 1.0000 15.000 1.4810 0.03904 0.03356 -0.0040 0.0200 1.0000 15.250 1.4868 0.04097 0.03559 -0.0035 0.0197 1.0000 15.500 1.4918 0.04303 0.03773 -0.0032 0.0194 1.0000 15.750 1.4952 0.04530 0.04010 -0.0030 0.0191 1.0000 16.000 1.4968 0.04785 0.04274 -0.0030 0.0188 1.0000 16.250 1.4961 0.05076 0.04575 -0.0032 0.0186 1.0000 16.500 1.4922 0.05413 0.04922 -0.0036 0.0184 1.0000 16.750 1.4881 0.05764 0.05287 -0.0042 0.0182 1.0000 17.000 1.4822 0.06153 0.05690 -0.0052 0.0181 1.0000 17.250 1.4746 0.06583 0.06135 -0.0065 0.0180 1.0000 17.500 1.4650 0.07062 0.06629 -0.0082 0.0179 1.0000 17.750 1.4531 0.07597 0.07180 -0.0104 0.0178 1.0000 18.000 1.4385 0.08198 0.07797 -0.0131 0.0177 1.0000 18.250 1.4205 0.08887 0.08502 -0.0165 0.0177 1.0000 18.500 1.3986 0.09670 0.09303 -0.0205 0.0176 1.0000 18.750 1.3717 0.10581 0.10232 -0.0254 0.0176 1.0000