SP4721LA (sp4721la-po) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: SP4721LA (sp4721la-po) Reynolds number: 500,000 Max Cl/Cd: 88.98 at α=7° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-sp4721la-po-500000.txt Download as CSV file: xf-sp4721la-po-500000.csv |
XFOIL Version 6.96
Calculated polar for: SP4721LA
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
------ -------- --------- --------- -------- -------- --------
-19.250 -0.5604 0.15977 0.15680 -0.0489 1.0007 0.0072
-19.000 -0.5876 0.14994 0.14685 -0.0530 1.0007 0.0070
-18.750 -0.6133 0.14095 0.13775 -0.0568 1.0007 0.0069
-18.500 -0.6395 0.13211 0.12881 -0.0605 1.0007 0.0068
-18.250 -0.6701 0.12246 0.11902 -0.0647 1.0007 0.0066
-18.000 -0.7031 0.11217 0.10856 -0.0692 1.0007 0.0065
-17.750 -0.7343 0.10232 0.09852 -0.0737 1.0007 0.0064
-17.500 -0.7582 0.09501 0.09104 -0.0766 1.0007 0.0064
-17.250 -0.7764 0.08929 0.08518 -0.0784 1.0007 0.0063
-17.000 -0.7914 0.08443 0.08022 -0.0796 1.0007 0.0063
-16.750 -0.8042 0.08016 0.07584 -0.0803 1.0007 0.0063
-16.500 -0.8151 0.07636 0.07194 -0.0807 1.0007 0.0063
-16.250 -0.8244 0.07294 0.06843 -0.0807 1.0007 0.0063
-16.000 -0.8321 0.06992 0.06532 -0.0805 1.0007 0.0063
-15.750 -0.8395 0.06707 0.06239 -0.0800 1.0007 0.0063
-15.500 -0.8453 0.06456 0.05980 -0.0793 1.0007 0.0063
-15.250 -0.8491 0.06209 0.05726 -0.0789 1.0005 0.0063
-15.000 -0.8389 0.05919 0.05427 -0.0815 0.9990 0.0063
-14.750 -0.8277 0.05649 0.05148 -0.0839 0.9973 0.0063
-14.500 -0.8139 0.05409 0.04900 -0.0863 0.9957 0.0063
-14.250 -0.7987 0.05179 0.04660 -0.0889 0.9942 0.0063
-14.000 -0.7816 0.04975 0.04448 -0.0914 0.9930 0.0064
-13.750 -0.7674 0.04788 0.04255 -0.0928 0.9898 0.0064
-13.500 -0.7500 0.04610 0.04070 -0.0947 0.9872 0.0065
-13.250 -0.7301 0.04445 0.03899 -0.0968 0.9852 0.0065
-13.000 -0.7079 0.04295 0.03742 -0.0992 0.9837 0.0066
-12.750 -0.6839 0.04154 0.03595 -0.1016 0.9824 0.0067
-12.500 -0.6572 0.04022 0.03458 -0.1044 0.9814 0.0068
-12.250 -0.6420 0.03899 0.03330 -0.1045 0.9753 0.0068
-12.000 -0.6140 0.03773 0.03198 -0.1071 0.9728 0.0069
-11.750 -0.5830 0.03651 0.03072 -0.1101 0.9711 0.0071
-11.500 -0.5517 0.03540 0.02956 -0.1131 0.9698 0.0072
-11.250 -0.5205 0.03438 0.02849 -0.1159 0.9689 0.0074
-11.000 -0.5077 0.03352 0.02761 -0.1149 0.9622 0.0076
-10.750 -0.4809 0.03254 0.02660 -0.1168 0.9596 0.0080
-10.500 -0.4507 0.03155 0.02560 -0.1193 0.9579 0.0085
-10.250 -0.4202 0.03055 0.02458 -0.1218 0.9564 0.0094
-10.000 -0.3917 0.02947 0.02352 -0.1242 0.9548 0.0116
-9.750 -0.3868 0.02854 0.02265 -0.1219 0.9451 0.0170
-9.500 -0.3638 0.02743 0.02163 -0.1231 0.9419 0.0256
-9.250 -0.3534 0.02660 0.02082 -0.1216 0.9339 0.0302
-9.000 -0.3354 0.02568 0.01992 -0.1215 0.9285 0.0340
-8.750 -0.3214 0.02486 0.01910 -0.1206 0.9222 0.0370
-8.500 -0.3065 0.02403 0.01829 -0.1199 0.9145 0.0400
-8.250 -0.2803 0.02316 0.01739 -0.1213 0.9109 0.0427
-8.000 -0.2663 0.02231 0.01655 -0.1207 0.9006 0.0450
-7.750 -0.2366 0.02145 0.01566 -0.1228 0.8961 0.0485
-7.500 -0.2149 0.02070 0.01488 -0.1234 0.8861 0.0507
-7.250 -0.1839 0.01971 0.01386 -0.1262 0.8798 0.0538
-7.000 -0.1577 0.01892 0.01305 -0.1278 0.8696 0.0568
-6.750 -0.1267 0.01816 0.01222 -0.1302 0.8614 0.0597
-6.500 -0.0961 0.01723 0.01127 -0.1331 0.8517 0.0645
-6.000 -0.0299 0.01556 0.00952 -0.1394 0.8327 0.0773
-5.750 0.0040 0.01468 0.00862 -0.1428 0.8218 0.0859
-5.500 0.0419 0.01371 0.00762 -0.1472 0.8117 0.0988
-5.250 0.0813 0.01274 0.00665 -0.1519 0.8008 0.1216
-5.000 0.1216 0.01175 0.00577 -0.1567 0.7899 0.1680
-4.750 0.1824 0.00930 0.00401 -0.1684 0.7798 0.4325
-4.500 0.2128 0.00936 0.00402 -0.1690 0.7681 0.4514
-4.250 0.2424 0.00947 0.00406 -0.1695 0.7563 0.4624
-4.000 0.2716 0.00962 0.00414 -0.1697 0.7446 0.4703
-3.500 0.3295 0.00992 0.00422 -0.1703 0.7196 0.4825
-3.250 0.3569 0.01014 0.00442 -0.1701 0.7069 0.4873
-3.000 0.3845 0.01043 0.00462 -0.1700 0.6940 0.4932
-2.750 0.4110 0.01082 0.00494 -0.1695 0.6809 0.5004
-2.500 0.4353 0.01136 0.00551 -0.1683 0.6679 0.5061
-2.250 0.4624 0.01177 0.00583 -0.1680 0.6558 0.5118
-2.000 0.4890 0.01199 0.00598 -0.1678 0.6446 0.5152
-1.750 0.5160 0.01208 0.00601 -0.1677 0.6334 0.5163
-1.500 0.5439 0.01211 0.00598 -0.1679 0.6234 0.5172
-1.000 0.5998 0.01222 0.00595 -0.1683 0.6051 0.5189
-0.500 0.6561 0.01233 0.00594 -0.1689 0.5894 0.5209
-0.250 0.6841 0.01241 0.00594 -0.1692 0.5821 0.5221
0.000 0.7127 0.01246 0.00595 -0.1696 0.5755 0.5233
0.250 0.7411 0.01252 0.00595 -0.1699 0.5690 0.5246
0.500 0.7695 0.01263 0.00597 -0.1703 0.5633 0.5260
0.750 0.7985 0.01266 0.00599 -0.1708 0.5581 0.5274
1.000 0.8272 0.01273 0.00602 -0.1712 0.5529 0.5286
1.250 0.8558 0.01287 0.00607 -0.1716 0.5482 0.5297
1.500 0.8844 0.01289 0.00609 -0.1720 0.5438 0.5312
1.750 0.9123 0.01294 0.00616 -0.1722 0.5396 0.5324
2.000 0.9399 0.01304 0.00627 -0.1724 0.5354 0.5335
2.250 0.9677 0.01319 0.00639 -0.1726 0.5313 0.5347
2.500 0.9959 0.01334 0.00654 -0.1729 0.5275 0.5361
2.750 1.0234 0.01343 0.00666 -0.1730 0.5240 0.5375
3.000 1.0511 0.01354 0.00678 -0.1732 0.5206 0.5390
3.250 1.0791 0.01367 0.00690 -0.1734 0.5174 0.5408
3.500 1.1079 0.01385 0.00705 -0.1739 0.5143 0.5427
3.750 1.1368 0.01403 0.00721 -0.1743 0.5109 0.5445
4.000 1.1623 0.01412 0.00733 -0.1741 0.5068 0.5460
4.250 1.1868 0.01416 0.00739 -0.1736 0.5014 0.5477
4.500 1.2128 0.01433 0.00752 -0.1735 0.4962 0.5492
4.750 1.2378 0.01445 0.00770 -0.1731 0.4924 0.5506
5.000 1.2620 0.01455 0.00788 -0.1726 0.4886 0.5521
5.250 1.2862 0.01469 0.00804 -0.1721 0.4847 0.5537
5.500 1.3108 0.01487 0.00821 -0.1716 0.4809 0.5554
5.750 1.3278 0.01499 0.00837 -0.1697 0.4743 0.5571
6.000 1.3408 0.01513 0.00850 -0.1669 0.4650 0.5589
6.250 1.3589 0.01535 0.00872 -0.1653 0.4554 0.5606
6.500 1.3799 0.01559 0.00895 -0.1642 0.4486 0.5623
6.750 1.4016 0.01584 0.00920 -0.1634 0.4429 0.5639
7.000 1.4237 0.01600 0.00945 -0.1626 0.4364 0.5658
7.250 1.4435 0.01631 0.00976 -0.1614 0.4299 0.5675
7.500 1.4645 0.01656 0.01008 -0.1604 0.4230 0.5693
7.750 1.4832 0.01690 0.01043 -0.1590 0.4147 0.5711
8.000 1.5025 0.01724 0.01080 -0.1578 0.4057 0.5730
8.250 1.5188 0.01770 0.01124 -0.1561 0.3947 0.5748
8.500 1.5364 0.01814 0.01168 -0.1546 0.3810 0.5767
8.750 1.5514 0.01871 0.01221 -0.1528 0.3643 0.5784
9.000 1.5618 0.01953 0.01293 -0.1504 0.3395 0.5798
9.250 1.5618 0.02090 0.01411 -0.1465 0.3007 0.5814
9.500 1.5559 0.02275 0.01574 -0.1420 0.2616 0.5827
9.750 1.5533 0.02453 0.01737 -0.1383 0.2343 0.5841
10.000 1.5562 0.02606 0.01885 -0.1354 0.2161 0.5856
10.250 1.5606 0.02756 0.02032 -0.1329 0.2022 0.5873
10.500 1.5669 0.02899 0.02174 -0.1307 0.1906 0.5891
10.750 1.5736 0.03046 0.02321 -0.1287 0.1808 0.5910
11.000 1.5777 0.03218 0.02492 -0.1266 0.1704 0.5928
11.250 1.5814 0.03402 0.02673 -0.1246 0.1591 0.5944
11.500 1.5854 0.03590 0.02859 -0.1228 0.1492 0.5959
11.750 1.5877 0.03801 0.03069 -0.1210 0.1404 0.5971
12.000 1.5938 0.03986 0.03259 -0.1197 0.1336 0.5989
12.250 1.5966 0.04206 0.03481 -0.1183 0.1277 0.6004
12.500 1.6027 0.04400 0.03682 -0.1171 0.1227 0.6020
12.750 1.6056 0.04629 0.03915 -0.1159 0.1170 0.6036
13.000 1.6073 0.04877 0.04165 -0.1147 0.1123 0.6053
13.250 1.6116 0.05105 0.04400 -0.1138 0.1079 0.6072
13.500 1.6126 0.05370 0.04668 -0.1128 0.1030 0.6091
13.750 1.6128 0.05649 0.04951 -0.1118 0.0987 0.6109
14.000 1.6151 0.05909 0.05217 -0.1111 0.0947 0.6125
14.500 1.6142 0.06507 0.05822 -0.1097 0.0864 0.6155
14.750 1.6159 0.06786 0.06108 -0.1092 0.0825 0.6172
15.000 1.6139 0.07106 0.06432 -0.1087 0.0779 0.6187
15.250 1.6122 0.07429 0.06759 -0.1082 0.0743 0.6203
15.500 1.6128 0.07726 0.07063 -0.1079 0.0708 0.6220
15.750 1.6116 0.08046 0.07387 -0.1076 0.0672 0.6239
16.000 1.6097 0.08378 0.07723 -0.1073 0.0640 0.6258
16.250 1.6102 0.08680 0.08031 -0.1072 0.0610 0.6278
16.500 1.6099 0.08991 0.08346 -0.1070 0.0578 0.6296
16.750 1.6071 0.09340 0.08697 -0.1070 0.0546 0.6313
17.000 1.6078 0.09644 0.09009 -0.1071 0.0514 0.6333
17.250 1.6067 0.09973 0.09342 -0.1072 0.0480 0.6351
17.500 1.6054 0.10305 0.09678 -0.1074 0.0451 0.6369
17.750 1.6045 0.10632 0.10010 -0.1077 0.0414 0.6389
18.000 1.6018 0.10982 0.10363 -0.1080 0.0379 0.6409
18.250 1.5991 0.11337 0.10720 -0.1085 0.0334 0.6429
18.500 1.5968 0.11688 0.11074 -0.1090 0.0301 0.6450
18.750 1.5934 0.12057 0.11443 -0.1097 0.0264 0.6469
19.000 1.5899 0.12433 0.11823 -0.1106 0.0222 0.6492
19.250 1.5857 0.12817 0.12211 -0.1116 0.0182 0.6515
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