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 = 1.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -17.000 -0.8148 0.09196 0.08939 -0.0635 1.0000 0.0282 -16.750 -0.8463 0.08311 0.08041 -0.0690 1.0000 0.0284 -16.500 -0.8725 0.07545 0.07263 -0.0739 1.0000 0.0285 -16.250 -0.8935 0.06896 0.06603 -0.0782 1.0000 0.0287 -16.000 -0.9175 0.06258 0.05955 -0.0822 1.0000 0.0287 -15.750 -0.9378 0.05679 0.05366 -0.0859 1.0000 0.0287 -15.500 -0.9578 0.05119 0.04796 -0.0894 1.0000 0.0288 -15.250 -0.9726 0.04616 0.04283 -0.0928 1.0000 0.0289 -15.000 -0.9885 0.04113 0.03770 -0.0960 1.0000 0.0289 -14.750 -1.0014 0.03635 0.03280 -0.0994 1.0000 0.0290 -14.500 -1.0161 0.03166 0.02799 -0.1031 1.0000 0.0290 -14.250 -1.0584 0.02922 0.02545 -0.0986 1.0000 0.0290 -14.000 -1.0563 0.02787 0.02400 -0.0973 0.9990 0.0291 -13.750 -1.0315 0.02550 0.02147 -0.1009 0.9958 0.0295 -13.500 -1.0044 0.02363 0.01951 -0.1039 0.9932 0.0300 -13.250 -0.9794 0.02247 0.01830 -0.1052 0.9896 0.0303 -13.000 -0.9513 0.02150 0.01728 -0.1067 0.9869 0.0307 -12.750 -0.9209 0.02070 0.01642 -0.1083 0.9848 0.0311 -12.500 -0.8894 0.01993 0.01560 -0.1100 0.9832 0.0316 -12.250 -0.8572 0.01915 0.01475 -0.1118 0.9819 0.0321 -12.000 -0.8301 0.01845 0.01397 -0.1124 0.9784 0.0325 -11.750 -0.8005 0.01778 0.01323 -0.1134 0.9753 0.0328 -11.500 -0.7682 0.01716 0.01255 -0.1149 0.9731 0.0332 -11.250 -0.7364 0.01652 0.01183 -0.1162 0.9706 0.0335 -11.000 -0.7059 0.01544 0.01069 -0.1178 0.9680 0.0343 -10.750 -0.6827 0.01487 0.01009 -0.1173 0.9609 0.0348 -10.500 -0.6535 0.01438 0.00955 -0.1179 0.9561 0.0354 -10.250 -0.6256 0.01397 0.00910 -0.1181 0.9505 0.0361 -10.000 -0.6006 0.01359 0.00868 -0.1176 0.9427 0.0367 -9.750 -0.5729 0.01321 0.00822 -0.1177 0.9365 0.0373 -9.500 -0.5488 0.01289 0.00785 -0.1170 0.9279 0.0378 -9.000 -0.4997 0.01198 0.00681 -0.1159 0.9111 0.0394 -8.750 -0.4737 0.01164 0.00642 -0.1156 0.9029 0.0403 -8.500 -0.4482 0.01136 0.00610 -0.1151 0.8935 0.0413 -8.250 -0.4219 0.01111 0.00578 -0.1147 0.8848 0.0423 -8.000 -0.3956 0.01091 0.00552 -0.1143 0.8750 0.0432 -7.750 -0.3703 0.01053 0.00509 -0.1138 0.8658 0.0450 -7.500 -0.3442 0.01029 0.00481 -0.1133 0.8557 0.0466 -7.250 -0.3175 0.01010 0.00456 -0.1130 0.8464 0.0482 -7.000 -0.2912 0.00988 0.00428 -0.1125 0.8363 0.0500 -6.750 -0.2649 0.00963 0.00401 -0.1121 0.8268 0.0526 -6.500 -0.2381 0.00949 0.00380 -0.1118 0.8169 0.0550 -6.250 -0.2116 0.00925 0.00355 -0.1114 0.8071 0.0584 -5.750 -0.1580 0.00891 0.00316 -0.1107 0.7868 0.0661 -5.500 -0.1310 0.00880 0.00300 -0.1104 0.7764 0.0704 -5.250 -0.1043 0.00862 0.00281 -0.1100 0.7653 0.0763 -5.000 -0.0772 0.00850 0.00267 -0.1097 0.7542 0.0819 -4.750 -0.0505 0.00839 0.00253 -0.1093 0.7426 0.0884 -4.500 -0.0234 0.00826 0.00240 -0.1090 0.7306 0.0960 -4.250 0.0038 0.00818 0.00229 -0.1087 0.7188 0.1033 -4.000 0.0306 0.00810 0.00219 -0.1084 0.7065 0.1114 -3.750 0.0578 0.00802 0.00210 -0.1081 0.6945 0.1198 -3.500 0.0852 0.00799 0.00203 -0.1078 0.6832 0.1262 -3.250 0.1120 0.00793 0.00196 -0.1074 0.6720 0.1353 -3.000 0.1397 0.00789 0.00190 -0.1072 0.6617 0.1420 -2.750 0.1668 0.00784 0.00184 -0.1069 0.6521 0.1513 -2.500 0.1943 0.00780 0.00178 -0.1067 0.6424 0.1593 -2.250 0.2216 0.00776 0.00174 -0.1064 0.6338 0.1688 -2.000 0.2491 0.00771 0.00169 -0.1062 0.6252 0.1792 -1.750 0.2763 0.00768 0.00166 -0.1059 0.6169 0.1911 -1.500 0.3039 0.00762 0.00163 -0.1057 0.6090 0.2068 -1.250 0.3309 0.00759 0.00162 -0.1054 0.6010 0.2261 -1.000 0.3587 0.00751 0.00161 -0.1052 0.5938 0.2470 -0.750 0.3858 0.00750 0.00162 -0.1049 0.5859 0.2663 -0.500 0.4135 0.00748 0.00163 -0.1048 0.5788 0.2841 -0.250 0.4409 0.00747 0.00164 -0.1045 0.5710 0.2999 0.000 0.4682 0.00749 0.00165 -0.1043 0.5637 0.3148 0.250 0.4960 0.00748 0.00167 -0.1041 0.5563 0.3301 0.750 0.5506 0.00750 0.00173 -0.1036 0.5412 0.3609 1.000 0.5776 0.00753 0.00177 -0.1032 0.5331 0.3763 1.250 0.6049 0.00754 0.00181 -0.1030 0.5257 0.3941 1.500 0.6319 0.00756 0.00185 -0.1027 0.5175 0.4135 1.750 0.6588 0.00758 0.00191 -0.1024 0.5099 0.4348 2.250 0.7119 0.00759 0.00204 -0.1017 0.4942 0.4966 2.500 0.7385 0.00755 0.00211 -0.1013 0.4868 0.5400 2.750 0.7635 0.00751 0.00221 -0.1007 0.4790 0.6076 3.000 0.7857 0.00717 0.00233 -0.0994 0.4722 0.7654 3.250 0.8291 0.00694 0.00250 -0.1025 0.4633 0.9835 3.500 0.8613 0.00704 0.00258 -0.1033 0.4564 1.0000 3.750 0.8866 0.00717 0.00267 -0.1027 0.4492 1.0000 4.000 0.9118 0.00730 0.00276 -0.1020 0.4421 1.0000 4.250 0.9374 0.00742 0.00286 -0.1015 0.4341 1.0000 4.500 0.9621 0.00758 0.00296 -0.1008 0.4245 1.0000 4.750 0.9872 0.00773 0.00307 -0.1001 0.4148 1.0000 5.000 1.0122 0.00788 0.00319 -0.0995 0.4061 1.0000 5.250 1.0367 0.00806 0.00332 -0.0987 0.3957 1.0000 5.500 1.0618 0.00821 0.00345 -0.0981 0.3866 1.0000 5.750 1.0855 0.00843 0.00361 -0.0973 0.3760 1.0000 6.000 1.1105 0.00858 0.00374 -0.0967 0.3665 1.0000 6.250 1.1344 0.00879 0.00391 -0.0959 0.3568 1.0000 6.500 1.1574 0.00903 0.00409 -0.0949 0.3444 1.0000 6.750 1.1813 0.00922 0.00426 -0.0941 0.3333 1.0000 7.000 1.2038 0.00948 0.00446 -0.0931 0.3201 1.0000 7.250 1.2257 0.00976 0.00468 -0.0920 0.3065 1.0000 7.500 1.2470 0.01006 0.00492 -0.0908 0.2932 1.0000 7.750 1.2677 0.01038 0.00518 -0.0895 0.2792 1.0000 8.000 1.2874 0.01073 0.00546 -0.0880 0.2635 1.0000 8.250 1.3056 0.01112 0.00577 -0.0863 0.2466 1.0000 8.500 1.3209 0.01154 0.00610 -0.0841 0.2280 1.0000 8.750 1.3337 0.01205 0.00650 -0.0814 0.2067 1.0000 9.000 1.3425 0.01272 0.00702 -0.0781 0.1792 1.0000 9.250 1.3444 0.01372 0.00777 -0.0739 0.1407 1.0000 9.500 1.3437 0.01486 0.00868 -0.0694 0.1052 1.0000 9.750 1.3499 0.01574 0.00945 -0.0662 0.0866 1.0000 10.000 1.3595 0.01650 0.01015 -0.0635 0.0762 1.0000 10.250 1.3711 0.01718 0.01081 -0.0613 0.0696 1.0000 10.500 1.3817 0.01794 0.01155 -0.0590 0.0641 1.0000 10.750 1.3951 0.01858 0.01221 -0.0572 0.0608 1.0000 11.000 1.4052 0.01943 0.01305 -0.0550 0.0571 1.0000 11.250 1.4181 0.02015 0.01380 -0.0533 0.0548 1.0000 11.500 1.4297 0.02097 0.01464 -0.0515 0.0524 1.0000 11.750 1.4385 0.02201 0.01568 -0.0496 0.0498 1.0000 12.000 1.4500 0.02291 0.01662 -0.0480 0.0483 1.0000 12.250 1.4617 0.02384 0.01759 -0.0466 0.0468 1.0000 12.500 1.4709 0.02498 0.01875 -0.0450 0.0451 1.0000 12.750 1.4774 0.02635 0.02014 -0.0433 0.0434 1.0000 13.000 1.4871 0.02755 0.02139 -0.0420 0.0422 1.0000 13.250 1.4974 0.02874 0.02263 -0.0409 0.0410 1.0000 13.500 1.5051 0.03017 0.02409 -0.0397 0.0398 1.0000 13.750 1.5111 0.03179 0.02574 -0.0385 0.0387 1.0000 14.000 1.5138 0.03377 0.02777 -0.0373 0.0376 1.0000 14.250 1.5211 0.03542 0.02948 -0.0364 0.0368 1.0000 14.500 1.5293 0.03702 0.03114 -0.0357 0.0357 1.0000 14.750 1.5339 0.03902 0.03319 -0.0350 0.0351 1.0000 15.000 1.5382 0.04110 0.03532 -0.0344 0.0340 1.0000 15.250 1.5389 0.04363 0.03789 -0.0338 0.0331 1.0000 15.500 1.5372 0.04646 0.04078 -0.0333 0.0323 1.0000 15.750 1.5425 0.04861 0.04300 -0.0330 0.0318 1.0000 16.000 1.5465 0.05095 0.04541 -0.0328 0.0311 1.0000 16.250 1.5484 0.05355 0.04809 -0.0327 0.0305 1.0000 16.500 1.5485 0.05642 0.05101 -0.0326 0.0299 1.0000 16.750 1.5476 0.05946 0.05411 -0.0327 0.0292 1.0000 17.000 1.5423 0.06312 0.05783 -0.0330 0.0285 1.0000 17.250 1.5366 0.06691 0.06169 -0.0334 0.0280 1.0000 17.500 1.5395 0.06964 0.06451 -0.0337 0.0275 1.0000 17.750 1.5399 0.07275 0.06769 -0.0341 0.0269 1.0000 18.000 1.5381 0.07622 0.07124 -0.0347 0.0264 1.0000 18.250 1.5367 0.07969 0.07476 -0.0354 0.0258 1.0000 18.500 1.5329 0.08352 0.07866 -0.0363 0.0254 1.0000 18.750 1.5275 0.08766 0.08286 -0.0373 0.0249 1.0000 19.000 1.5176 0.09254 0.08781 -0.0388 0.0243 1.0000