FX 78-K-140/20 (fx78k140-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: FX 78-K-140/20 (fx78k140-il) Reynolds number: 500,000 Max Cl/Cd: 122.51 at α=6° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-fx78k140-il-500000-n5.txt Download as CSV file: xf-fx78k140-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: FX 78-K-140/20
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
------ -------- --------- --------- -------- -------- --------
-10.750 -0.2353 0.09118 0.08770 -0.0732 0.7235 0.0040
-10.500 -0.2240 0.08968 0.08621 -0.0748 0.7226 0.0048
-10.250 -0.2392 0.08192 0.07850 -0.0784 0.7219 0.0041
-10.000 -0.2346 0.07891 0.07552 -0.0806 0.7209 0.0044
-9.750 -0.2369 0.07444 0.07109 -0.0835 0.7198 0.0048
-9.500 -0.2444 0.06902 0.06573 -0.0874 0.7188 0.0052
-9.250 -0.2722 0.06053 0.05728 -0.0948 0.7172 0.0046
-8.750 -0.4420 0.03102 0.02680 -0.0837 0.7139 0.0045
-8.500 -0.4596 0.02508 0.02010 -0.0779 0.7128 0.0045
-8.250 -0.4409 0.02432 0.01921 -0.0769 0.7119 0.0048
-8.000 -0.4319 0.02182 0.01626 -0.0741 0.7110 0.0049
-7.750 -0.4044 0.02238 0.01687 -0.0745 0.7102 0.0056
-7.500 -0.3881 0.02084 0.01504 -0.0728 0.7091 0.0059
-7.250 -0.3678 0.01986 0.01383 -0.0716 0.7080 0.0064
-7.000 -0.3498 0.01841 0.01214 -0.0702 0.7067 0.0066
-6.750 -0.3290 0.01756 0.01117 -0.0692 0.7054 0.0074
-6.500 -0.3071 0.01674 0.01018 -0.0684 0.7043 0.0076
-6.250 -0.2841 0.01610 0.00943 -0.0676 0.7032 0.0080
-6.000 -0.2605 0.01556 0.00879 -0.0670 0.7022 0.0087
-5.750 -0.2355 0.01528 0.00844 -0.0667 0.7012 0.0096
-5.500 -0.2112 0.01482 0.00787 -0.0662 0.7002 0.0102
-5.250 -0.1897 0.01396 0.00689 -0.0651 0.6992 0.0112
-5.000 -0.1660 0.01348 0.00634 -0.0644 0.6982 0.0120
-4.750 -0.1414 0.01315 0.00594 -0.0640 0.6973 0.0131
-4.500 -0.1171 0.01280 0.00548 -0.0634 0.6964 0.0140
-4.250 -0.0923 0.01255 0.00520 -0.0629 0.6953 0.0159
-4.000 -0.0684 0.01222 0.00486 -0.0624 0.6940 0.0191
-3.750 -0.0435 0.01199 0.00462 -0.0620 0.6927 0.0222
-3.500 -0.0185 0.01176 0.00436 -0.0615 0.6914 0.0259
-3.250 0.0065 0.01155 0.00416 -0.0611 0.6902 0.0323
-3.000 0.0319 0.01136 0.00397 -0.0608 0.6891 0.0408
-2.750 0.0574 0.01121 0.00381 -0.0606 0.6880 0.0501
-2.500 0.0831 0.01105 0.00365 -0.0603 0.6869 0.0616
-2.250 0.1086 0.01088 0.00350 -0.0600 0.6858 0.0759
-2.000 0.1340 0.01069 0.00335 -0.0597 0.6848 0.0971
-1.750 0.1583 0.01044 0.00323 -0.0593 0.6838 0.1429
-1.500 0.1808 0.01008 0.00314 -0.0585 0.6827 0.2238
-1.250 0.2028 0.00978 0.00311 -0.0577 0.6812 0.3050
-1.000 0.2233 0.00942 0.00305 -0.0566 0.6796 0.4037
-0.750 0.2395 0.00891 0.00300 -0.0545 0.6781 0.5430
-0.500 0.2464 0.00820 0.00303 -0.0501 0.6764 0.7505
-0.250 0.2724 0.00801 0.00308 -0.0496 0.6750 0.8339
0.000 0.3080 0.00797 0.00313 -0.0513 0.6739 0.8819
0.250 0.3541 0.00798 0.00316 -0.0554 0.6729 0.9132
0.500 0.4063 0.00809 0.00326 -0.0607 0.6719 0.9393
0.750 0.4501 0.00816 0.00329 -0.0643 0.6709 0.9449
1.000 0.4824 0.00821 0.00329 -0.0655 0.6697 0.9500
1.250 0.5129 0.00828 0.00337 -0.0664 0.6682 0.9537
1.500 0.5475 0.00836 0.00346 -0.0682 0.6664 0.9556
1.750 0.5803 0.00842 0.00352 -0.0696 0.6644 0.9575
2.000 0.6125 0.00846 0.00356 -0.0708 0.6623 0.9597
2.250 0.6435 0.00847 0.00355 -0.0718 0.6601 0.9626
2.500 0.6709 0.00848 0.00357 -0.0720 0.6583 0.9668
2.750 0.7048 0.00850 0.00356 -0.0736 0.6567 0.9681
3.000 0.7377 0.00856 0.00366 -0.0751 0.6543 0.9698
3.250 0.7699 0.00862 0.00377 -0.0765 0.6512 0.9719
3.500 0.8012 0.00866 0.00386 -0.0776 0.6486 0.9744
3.750 0.8310 0.00869 0.00391 -0.0784 0.6462 0.9775
4.000 0.8611 0.00871 0.00394 -0.0792 0.6440 0.9802
4.250 0.8939 0.00875 0.00404 -0.0806 0.6415 0.9818
4.500 0.9257 0.00883 0.00420 -0.0820 0.6373 0.9840
4.750 0.9568 0.00889 0.00432 -0.0831 0.6342 0.9866
5.000 0.9867 0.00892 0.00440 -0.0839 0.6312 0.9892
5.250 1.0192 0.00896 0.00450 -0.0854 0.6272 0.9909
5.500 1.0513 0.00894 0.00454 -0.0867 0.6165 0.9930
5.750 1.0823 0.00897 0.00461 -0.0878 0.6014 0.9953
6.000 1.1124 0.00908 0.00471 -0.0888 0.5787 0.9979
6.250 1.1182 0.01021 0.00530 -0.0858 0.4844 1.0000
6.500 1.1041 0.01155 0.00633 -0.0790 0.4267 1.0000
6.750 1.0757 0.01310 0.00765 -0.0701 0.3845 1.0000
7.000 1.0507 0.01477 0.00916 -0.0625 0.3530 1.0000
7.250 1.0312 0.01683 0.01094 -0.0565 0.3044 1.0000
7.500 1.0170 0.01891 0.01271 -0.0517 0.2499 1.0000
7.750 0.9987 0.02138 0.01475 -0.0467 0.1747 1.0000
8.000 0.9820 0.02394 0.01683 -0.0423 0.0939 1.0000
8.250 0.9772 0.02591 0.01853 -0.0392 0.0400 1.0000
8.500 0.9790 0.02753 0.01997 -0.0369 0.0117 1.0000
8.750 0.9932 0.02836 0.02084 -0.0360 0.0109 1.0000
9.000 1.0057 0.02937 0.02189 -0.0348 0.0088 1.0000
9.250 1.0167 0.03051 0.02309 -0.0335 0.0070 1.0000
9.500 1.0257 0.03183 0.02446 -0.0321 0.0056 1.0000
9.750 1.0405 0.03271 0.02539 -0.0314 0.0053 1.0000
10.000 1.0529 0.03383 0.02655 -0.0304 0.0045 1.0000
10.250 1.0615 0.03526 0.02808 -0.0291 0.0047 1.0000
10.500 1.0730 0.03646 0.02933 -0.0282 0.0038 1.0000
10.750 1.0758 0.03841 0.03136 -0.0266 0.0032 1.0000
11.000 1.0832 0.04004 0.03307 -0.0253 0.0032 1.0000
11.250 1.0908 0.04168 0.03478 -0.0242 0.0031 1.0000
11.500 1.1023 0.04298 0.03613 -0.0235 0.0033 1.0000
11.750 1.1070 0.04489 0.03814 -0.0222 0.0031 1.0000
12.000 1.1110 0.04693 0.04028 -0.0209 0.0028 1.0000
12.250 1.1197 0.04855 0.04196 -0.0201 0.0029 1.0000
12.500 1.1251 0.05046 0.04395 -0.0191 0.0031 1.0000
12.750 1.1295 0.05251 0.04611 -0.0178 0.0028 1.0000
13.000 1.1366 0.05433 0.04802 -0.0168 0.0027 1.0000
13.250 1.1445 0.05609 0.04986 -0.0160 0.0027 1.0000
13.500 1.1515 0.05794 0.05183 -0.0151 0.0028 1.0000
13.750 1.1560 0.05996 0.05400 -0.0134 0.0026 1.0000
14.000 1.1637 0.06182 0.05597 -0.0125 0.0027 1.0000
14.250 1.1707 0.06379 0.05806 -0.0118 0.0025 1.0000
14.500 1.1772 0.06584 0.06022 -0.0111 0.0027 1.0000
14.750 1.1811 0.06824 0.06280 -0.0100 0.0026 1.0000
15.000 1.1822 0.07111 0.06590 -0.0086 0.0025 1.0000
15.250 1.1831 0.07405 0.06900 -0.0081 0.0025 1.0000
15.500 1.1806 0.07755 0.07272 -0.0075 0.0024 1.0000
15.750 1.1826 0.08034 0.07560 -0.0079 0.0025 1.0000
16.000 1.1852 0.08316 0.07846 -0.0089 0.0021 1.0000
16.250 1.1755 0.08783 0.08340 -0.0084 0.0022 1.0000
16.500 1.1746 0.09127 0.08694 -0.0092 0.0021 1.0000
16.750 1.1495 0.09876 0.09482 -0.0093 0.0023 1.0000
17.000 1.1259 0.10630 0.10264 -0.0106 0.0025 1.0000
17.250 1.1003 0.11468 0.11128 -0.0129 0.0026 1.0000
17.500 1.1385 0.11144 0.10781 -0.0140 0.0020 1.0000
17.750 1.1452 0.11407 0.11042 -0.0159 0.0019 1.0000
18.000 1.0720 0.13237 0.12938 -0.0209 0.0024 1.0000
18.250 1.0419 0.14350 0.14075 -0.0263 0.0024 1.0000
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