XFOIL Version 6.96 Calculated polar for: SIKORSKY GS-1 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 = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -14.250 -0.7192 0.06878 0.06558 -0.0782 1.0000 0.0376 -14.000 -0.7829 0.05602 0.05258 -0.0879 1.0000 0.0374 -13.750 -0.8184 0.04812 0.04450 -0.0940 1.0000 0.0373 -13.500 -0.8452 0.04214 0.03835 -0.0987 1.0000 0.0374 -13.250 -0.8736 0.03807 0.03414 -0.1002 1.0000 0.0374 -13.000 -0.9107 0.03645 0.03246 -0.0948 1.0000 0.0373 -12.750 -0.9326 0.03505 0.03095 -0.0900 1.0000 0.0374 -12.500 -0.9148 0.03274 0.02839 -0.0927 0.9968 0.0378 -12.250 -0.8896 0.03044 0.02584 -0.0961 0.9934 0.0383 -12.000 -0.8669 0.02825 0.02356 -0.0979 0.9894 0.0389 -11.750 -0.8381 0.02693 0.02219 -0.0998 0.9860 0.0394 -11.500 -0.8068 0.02577 0.02095 -0.1020 0.9835 0.0400 -11.250 -0.7740 0.02459 0.01967 -0.1043 0.9816 0.0406 -11.000 -0.7485 0.02355 0.01851 -0.1050 0.9765 0.0412 -10.750 -0.7177 0.02250 0.01734 -0.1066 0.9731 0.0419 -10.500 -0.6844 0.02153 0.01624 -0.1085 0.9708 0.0426 -10.250 -0.6489 0.02078 0.01533 -0.1107 0.9692 0.0433 -10.000 -0.6199 0.01934 0.01385 -0.1120 0.9659 0.0443 -9.750 -0.5908 0.01857 0.01307 -0.1128 0.9612 0.0451 -9.500 -0.5580 0.01787 0.01232 -0.1142 0.9579 0.0460 -9.250 -0.5238 0.01718 0.01156 -0.1159 0.9551 0.0471 -9.000 -0.4944 0.01658 0.01088 -0.1164 0.9502 0.0481 -8.750 -0.4666 0.01608 0.01028 -0.1165 0.9435 0.0489 -8.500 -0.4379 0.01517 0.00936 -0.1171 0.9385 0.0505 -8.250 -0.4129 0.01473 0.00890 -0.1166 0.9306 0.0518 -8.000 -0.3855 0.01428 0.00841 -0.1165 0.9236 0.0534 -7.750 -0.3587 0.01390 0.00793 -0.1162 0.9161 0.0549 -7.500 -0.3342 0.01332 0.00731 -0.1156 0.9074 0.0568 -7.250 -0.3080 0.01290 0.00688 -0.1153 0.8994 0.0589 -7.000 -0.2821 0.01258 0.00650 -0.1148 0.8902 0.0612 -6.750 -0.2561 0.01218 0.00604 -0.1143 0.8814 0.0640 -6.500 -0.2302 0.01185 0.00569 -0.1139 0.8718 0.0673 -6.250 -0.2034 0.01165 0.00541 -0.1135 0.8623 0.0707 -6.000 -0.1776 0.01126 0.00501 -0.1130 0.8526 0.0756 -5.750 -0.1511 0.01106 0.00475 -0.1126 0.8423 0.0801 -5.250 -0.0984 0.01055 0.00420 -0.1117 0.8217 0.0924 -5.000 -0.0714 0.01040 0.00401 -0.1113 0.8117 0.0996 -4.750 -0.0450 0.01020 0.00381 -0.1109 0.8006 0.1076 -4.500 -0.0182 0.01006 0.00364 -0.1105 0.7898 0.1157 -4.000 0.0354 0.00981 0.00335 -0.1098 0.7674 0.1331 -3.750 0.0626 0.00976 0.00323 -0.1094 0.7564 0.1411 -3.500 0.0891 0.00962 0.00309 -0.1090 0.7451 0.1507 -3.250 0.1159 0.00953 0.00297 -0.1086 0.7336 0.1598 -3.000 0.1428 0.00945 0.00286 -0.1082 0.7227 0.1695 -2.750 0.1694 0.00935 0.00275 -0.1078 0.7115 0.1797 -2.500 0.1964 0.00928 0.00266 -0.1075 0.7009 0.1904 -2.000 0.2500 0.00913 0.00253 -0.1067 0.6804 0.2190 -1.750 0.2767 0.00909 0.00248 -0.1064 0.6709 0.2371 -1.500 0.3037 0.00904 0.00246 -0.1060 0.6612 0.2571 -1.250 0.3305 0.00902 0.00245 -0.1057 0.6525 0.2777 -1.000 0.3575 0.00899 0.00245 -0.1054 0.6432 0.2973 -0.750 0.3844 0.00900 0.00245 -0.1050 0.6350 0.3157 -0.500 0.4116 0.00899 0.00246 -0.1047 0.6263 0.3332 -0.250 0.4384 0.00903 0.00248 -0.1043 0.6184 0.3502 0.000 0.4655 0.00900 0.00250 -0.1040 0.6099 0.3675 0.250 0.4921 0.00904 0.00253 -0.1036 0.6020 0.3850 0.500 0.5192 0.00901 0.00256 -0.1033 0.5941 0.4033 0.750 0.5457 0.00903 0.00259 -0.1029 0.5861 0.4234 1.000 0.5724 0.00902 0.00264 -0.1026 0.5784 0.4462 1.250 0.5987 0.00900 0.00269 -0.1021 0.5703 0.4738 1.500 0.6248 0.00898 0.00275 -0.1017 0.5628 0.5097 1.750 0.6505 0.00890 0.00282 -0.1011 0.5547 0.5585 2.000 0.6747 0.00879 0.00290 -0.1003 0.5472 0.6358 2.250 0.6911 0.00822 0.00307 -0.0974 0.5397 0.8767 2.500 0.7508 0.00828 0.00314 -0.1040 0.5302 1.0000 2.750 0.7761 0.00836 0.00321 -0.1033 0.5222 1.0000 3.000 0.8007 0.00852 0.00328 -0.1025 0.5146 1.0000 3.250 0.8261 0.00862 0.00337 -0.1019 0.5068 1.0000 3.500 0.8511 0.00877 0.00346 -0.1012 0.4992 1.0000 3.750 0.8763 0.00891 0.00357 -0.1006 0.4918 1.0000 4.000 0.9013 0.00904 0.00368 -0.0999 0.4838 1.0000 4.250 0.9261 0.00922 0.00381 -0.0992 0.4766 1.0000 4.500 0.9515 0.00935 0.00393 -0.0986 0.4691 1.0000 4.750 0.9758 0.00956 0.00408 -0.0979 0.4619 1.0000 5.000 1.0009 0.00968 0.00421 -0.0972 0.4534 1.0000 5.250 1.0243 0.00990 0.00436 -0.0963 0.4438 1.0000 5.500 1.0487 0.01003 0.00451 -0.0955 0.4337 1.0000 5.750 1.0722 0.01024 0.00467 -0.0946 0.4248 1.0000 6.000 1.0959 0.01042 0.00484 -0.0938 0.4149 1.0000 6.250 1.1192 0.01063 0.00503 -0.0929 0.4053 1.0000 6.500 1.1416 0.01086 0.00522 -0.0918 0.3952 1.0000 6.750 1.1650 0.01105 0.00542 -0.0909 0.3856 1.0000 7.000 1.1864 0.01132 0.00564 -0.0897 0.3755 1.0000 7.250 1.2085 0.01154 0.00586 -0.0886 0.3642 1.0000 7.500 1.2297 0.01180 0.00609 -0.0874 0.3524 1.0000 7.750 1.2495 0.01210 0.00635 -0.0859 0.3409 1.0000 8.000 1.2692 0.01240 0.00663 -0.0845 0.3291 1.0000 8.250 1.2879 0.01269 0.00691 -0.0828 0.3170 1.0000 8.500 1.3043 0.01304 0.00722 -0.0807 0.3042 1.0000 8.750 1.3195 0.01343 0.00757 -0.0785 0.2907 1.0000 9.000 1.3338 0.01388 0.00797 -0.0762 0.2750 1.0000 9.250 1.3467 0.01440 0.00843 -0.0737 0.2565 1.0000 9.500 1.3572 0.01505 0.00897 -0.0710 0.2351 1.0000 9.750 1.3649 0.01586 0.00965 -0.0679 0.2096 1.0000 10.000 1.3658 0.01704 0.01061 -0.0641 0.1729 1.0000 10.250 1.3588 0.01870 0.01197 -0.0596 0.1277 1.0000 10.500 1.3555 0.02028 0.01338 -0.0559 0.1010 1.0000 10.750 1.3579 0.02163 0.01466 -0.0530 0.0880 1.0000 11.000 1.3628 0.02291 0.01592 -0.0506 0.0803 1.0000 11.250 1.3674 0.02427 0.01728 -0.0484 0.0748 1.0000 11.500 1.3745 0.02553 0.01858 -0.0465 0.0708 1.0000 11.750 1.3801 0.02696 0.02003 -0.0447 0.0674 1.0000 12.000 1.3812 0.02879 0.02186 -0.0428 0.0643 1.0000 12.250 1.3902 0.03010 0.02325 -0.0415 0.0621 1.0000 12.500 1.3961 0.03171 0.02491 -0.0402 0.0599 1.0000 12.750 1.3981 0.03370 0.02694 -0.0388 0.0578 1.0000 13.000 1.3976 0.03601 0.02929 -0.0376 0.0559 1.0000 13.250 1.4041 0.03778 0.03114 -0.0367 0.0545 1.0000 13.500 1.4089 0.03976 0.03319 -0.0359 0.0527 1.0000 13.750 1.4112 0.04205 0.03553 -0.0352 0.0515 1.0000 14.000 1.4098 0.04479 0.03832 -0.0346 0.0502 1.0000 14.250 1.4064 0.04784 0.04143 -0.0341 0.0489 1.0000 14.500 1.4118 0.05003 0.04371 -0.0338 0.0478 1.0000 14.750 1.4151 0.05249 0.04625 -0.0336 0.0465 1.0000 15.000 1.4166 0.05520 0.04902 -0.0335 0.0455 1.0000 15.250 1.4167 0.05814 0.05200 -0.0335 0.0444 1.0000 15.500 1.4126 0.06162 0.05553 -0.0336 0.0435 1.0000 15.750 1.4108 0.06488 0.05887 -0.0338 0.0425 1.0000 16.000 1.4139 0.06763 0.06171 -0.0340 0.0417 1.0000 16.250 1.4159 0.07056 0.06472 -0.0344 0.0407 1.0000 16.500 1.4167 0.07370 0.06792 -0.0348 0.0399 1.0000 16.750 1.4174 0.07690 0.07118 -0.0354 0.0390 1.0000 17.000 1.4157 0.08039 0.07470 -0.0360 0.0382 1.0000 17.250 1.4126 0.08403 0.07838 -0.0366 0.0373 1.0000 17.500 1.4152 0.08714 0.08160 -0.0374 0.0365 1.0000