FX 78-K-140 A/20 (fx78k140a20-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5
| Details | Polar file |
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Airfoil: FX 78-K-140 A/20 (fx78k140a20-il) Reynolds number: 1,000,000 Max Cl/Cd: 142.92 at α=5.5° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-fx78k140a20-il-1000000-n5.txt Download as CSV file: xf-fx78k140a20-il-1000000-n5.csv |
XFOIL Version 6.96
Calculated polar for: FX 78-K-140 A/20
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
------ -------- --------- --------- -------- -------- --------
-11.500 -0.5800 0.03146 0.02797 -0.1132 0.7049 0.0024
-11.250 -0.5885 0.02845 0.02468 -0.1101 0.7038 0.0024
-11.000 -0.5785 0.02686 0.02294 -0.1086 0.7028 0.0024
-10.750 -0.5834 0.02382 0.01951 -0.1053 0.7018 0.0023
-10.500 -0.5768 0.02169 0.01708 -0.1029 0.7008 0.0026
-10.250 -0.5612 0.02059 0.01581 -0.1016 0.6999 0.0026
-10.000 -0.5478 0.01915 0.01414 -0.0998 0.6989 0.0027
-9.750 -0.5272 0.01856 0.01343 -0.0991 0.6979 0.0026
-9.500 -0.5079 0.01769 0.01245 -0.0981 0.6967 0.0031
-9.250 -0.4839 0.01742 0.01215 -0.0978 0.6959 0.0033
-9.000 -0.4614 0.01692 0.01159 -0.0972 0.6950 0.0035
-8.750 -0.4453 0.01553 0.00993 -0.0955 0.6942 0.0032
-8.500 -0.4201 0.01534 0.00973 -0.0954 0.6933 0.0037
-8.250 -0.3980 0.01469 0.00894 -0.0946 0.6923 0.0039
-8.000 -0.3740 0.01430 0.00849 -0.0942 0.6914 0.0042
-7.750 -0.3515 0.01369 0.00776 -0.0935 0.6904 0.0043
-7.500 -0.3257 0.01353 0.00757 -0.0934 0.6892 0.0046
-7.250 -0.3012 0.01317 0.00715 -0.0930 0.6882 0.0046
-7.000 -0.2790 0.01250 0.00639 -0.0922 0.6872 0.0056
-6.750 -0.2549 0.01207 0.00588 -0.0917 0.6863 0.0058
-6.500 -0.2294 0.01186 0.00565 -0.0915 0.6855 0.0062
-6.250 -0.2039 0.01163 0.00537 -0.0913 0.6845 0.0068
-6.000 -0.1779 0.01147 0.00517 -0.0912 0.6836 0.0073
-5.750 -0.1532 0.01112 0.00476 -0.0908 0.6827 0.0075
-5.500 -0.1284 0.01079 0.00437 -0.0904 0.6818 0.0080
-5.250 -0.1036 0.01046 0.00400 -0.0900 0.6808 0.0086
-5.000 -0.0782 0.01020 0.00374 -0.0897 0.6798 0.0099
-4.750 -0.0525 0.00998 0.00350 -0.0894 0.6788 0.0106
-4.500 -0.0265 0.00979 0.00326 -0.0892 0.6777 0.0118
-4.250 -0.0010 0.00956 0.00304 -0.0890 0.6766 0.0153
-4.000 0.0251 0.00939 0.00286 -0.0888 0.6754 0.0175
-3.750 0.0514 0.00925 0.00270 -0.0887 0.6745 0.0201
-3.500 0.0775 0.00908 0.00255 -0.0885 0.6735 0.0252
-3.250 0.1037 0.00895 0.00241 -0.0884 0.6725 0.0311
-3.000 0.1300 0.00881 0.00229 -0.0883 0.6715 0.0397
-2.750 0.1562 0.00869 0.00218 -0.0882 0.6704 0.0479
-2.500 0.1824 0.00857 0.00209 -0.0880 0.6692 0.0608
-2.250 0.2087 0.00844 0.00200 -0.0879 0.6683 0.0743
-1.750 0.2603 0.00812 0.00186 -0.0876 0.6659 0.1275
-1.500 0.2847 0.00787 0.00179 -0.0872 0.6645 0.1846
-1.250 0.3086 0.00761 0.00174 -0.0867 0.6633 0.2544
-1.000 0.3327 0.00738 0.00168 -0.0862 0.6620 0.3188
-0.750 0.3565 0.00715 0.00164 -0.0857 0.6608 0.3863
-0.500 0.3776 0.00681 0.00158 -0.0846 0.6596 0.4875
-0.250 0.3930 0.00629 0.00151 -0.0823 0.6582 0.6364
0.000 0.4037 0.00590 0.00167 -0.0785 0.6568 0.8062
0.250 0.4288 0.00603 0.00180 -0.0779 0.6556 0.8395
0.500 0.4546 0.00612 0.00191 -0.0775 0.6543 0.8525
0.750 0.4807 0.00622 0.00203 -0.0772 0.6529 0.8624
1.000 0.5061 0.00631 0.00213 -0.0767 0.6509 0.8713
1.250 0.5336 0.00633 0.00216 -0.0767 0.6487 0.8750
1.500 0.5609 0.00635 0.00218 -0.0768 0.6465 0.8779
1.750 0.5881 0.00638 0.00220 -0.0768 0.6446 0.8800
2.000 0.6152 0.00641 0.00220 -0.0769 0.6426 0.8813
2.250 0.6424 0.00642 0.00222 -0.0770 0.6405 0.8822
2.500 0.6697 0.00643 0.00225 -0.0771 0.6378 0.8827
2.750 0.6969 0.00645 0.00228 -0.0773 0.6353 0.8832
3.000 0.7238 0.00646 0.00229 -0.0773 0.6326 0.8838
3.250 0.7507 0.00649 0.00231 -0.0774 0.6301 0.8844
3.500 0.7776 0.00652 0.00235 -0.0775 0.6277 0.8848
3.750 0.8046 0.00655 0.00241 -0.0776 0.6248 0.8851
4.000 0.8315 0.00658 0.00248 -0.0777 0.6215 0.8855
4.250 0.8579 0.00660 0.00251 -0.0776 0.6173 0.8859
4.500 0.8845 0.00664 0.00257 -0.0777 0.6142 0.8863
4.750 0.9114 0.00668 0.00265 -0.0778 0.6106 0.8867
5.000 0.9379 0.00672 0.00274 -0.0778 0.6063 0.8872
5.250 0.9634 0.00677 0.00281 -0.0776 0.6006 0.8876
5.500 0.9847 0.00689 0.00288 -0.0765 0.5776 0.8882
5.750 1.0064 0.00705 0.00301 -0.0756 0.5616 0.8888
6.000 1.0153 0.00758 0.00334 -0.0721 0.5137 0.8900
6.250 1.0071 0.00869 0.00408 -0.0655 0.4370 0.8917
6.500 0.9869 0.01019 0.00514 -0.0571 0.3523 0.8937
6.750 0.9935 0.01123 0.00600 -0.0545 0.3102 0.8949
7.000 0.9922 0.01393 0.00832 -0.0536 0.2277 0.8964
7.250 0.9807 0.01755 0.01133 -0.0523 0.1150 0.8979
7.750 0.9988 0.02070 0.01408 -0.0509 0.0331 0.8993
8.250 1.0289 0.02299 0.01626 -0.0504 0.0067 0.9004
8.500 1.0478 0.02388 0.01719 -0.0505 0.0052 0.9009
8.750 1.0668 0.02476 0.01811 -0.0506 0.0044 0.9015
9.000 1.0861 0.02559 0.01896 -0.0507 0.0041 0.9022
9.250 1.1028 0.02655 0.01995 -0.0505 0.0034 0.9029
9.500 1.1161 0.02773 0.02119 -0.0500 0.0029 0.9036
9.750 1.1323 0.02867 0.02217 -0.0497 0.0027 0.9043
10.000 1.1450 0.02985 0.02341 -0.0489 0.0025 0.9050
10.250 1.1617 0.03073 0.02432 -0.0487 0.0021 0.9056
10.500 1.1717 0.03211 0.02578 -0.0477 0.0024 0.9064
10.750 1.1893 0.03296 0.02666 -0.0476 0.0018 0.9070
11.000 1.1977 0.03456 0.02836 -0.0466 0.0021 0.9078
11.250 1.2128 0.03562 0.02944 -0.0463 0.0018 0.9086
11.500 1.2257 0.03685 0.03070 -0.0458 0.0016 0.9094
11.750 1.2339 0.03852 0.03247 -0.0449 0.0017 0.9103
12.000 1.2419 0.04019 0.03423 -0.0440 0.0017 0.9112
12.250 1.2512 0.04179 0.03590 -0.0432 0.0017 0.9120
12.500 1.2598 0.04347 0.03760 -0.0425 0.0013 0.9129
13.000 1.2626 0.04823 0.04260 -0.0401 0.0012 0.9149
13.250 1.2684 0.05026 0.04472 -0.0394 0.0012 0.9161
13.500 1.2707 0.05266 0.04725 -0.0384 0.0012 0.9174
13.750 1.2802 0.05443 0.04911 -0.0381 0.0012 0.9187
14.000 1.2869 0.05645 0.05122 -0.0376 0.0011 0.9202
14.250 1.2895 0.05891 0.05379 -0.0368 0.0012 0.9218
14.500 1.2941 0.06122 0.05621 -0.0362 0.0011 0.9234
14.750 1.2960 0.06381 0.05892 -0.0356 0.0012 0.9252
15.000 1.2978 0.06650 0.06175 -0.0349 0.0011 0.9271
15.250 1.3024 0.06898 0.06432 -0.0348 0.0011 0.9297
15.500 1.3023 0.07198 0.06748 -0.0343 0.0011 0.9328
15.750 1.3015 0.07521 0.07088 -0.0339 0.0011 0.9360
16.000 1.3006 0.07852 0.07434 -0.0338 0.0011 0.9401
16.250 1.3015 0.08185 0.07781 -0.0342 0.0011 0.9459
16.500 1.2990 0.08569 0.08183 -0.0347 0.0011 0.9529
16.750 1.2910 0.09059 0.08695 -0.0353 0.0011 0.9610
17.000 1.2930 0.09439 0.09086 -0.0371 0.0011 0.9835
17.250 1.2843 0.09932 0.09593 -0.0371 0.0011 0.9998
17.500 1.2709 0.10538 0.10222 -0.0386 0.0011 1.0000
17.750 1.2538 0.11184 0.10890 -0.0401 0.0011 1.0000
18.000 1.2412 0.11787 0.11509 -0.0421 0.0011 1.0000
18.250 1.2377 0.12244 0.11973 -0.0440 0.0011 1.0000
18.500 1.2099 0.13174 0.12930 -0.0475 0.0011 1.0000
18.750 1.2004 0.13783 0.13550 -0.0505 0.0011 1.0000
19.000 1.1790 0.14666 0.14452 -0.0548 0.0011 1.0000
19.250 1.1652 0.15419 0.15219 -0.0590 0.0011 1.0000
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