BOEING-VERTOL VR-8 AIRFOIL WITH TAB (vr8b-il) Xfoil prediction polar at RE=200,000 Ncrit=9
| Details | Polar file |
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Airfoil: BOEING-VERTOL VR-8 AIRFOIL WITH TAB (vr8b-il) Reynolds number: 200,000 Max Cl/Cd: 46.99 at α=3.75° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-vr8b-il-200000.txt Download as CSV file: xf-vr8b-il-200000.csv |
XFOIL Version 6.96
Calculated polar for: BOEING-VERTOL VR-8 AIRFOIL WITH TAB
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-9.750 -0.6773 0.12276 0.11957 0.0438 1.0000 0.0277
-9.500 -0.6743 0.11847 0.11531 0.0415 1.0000 0.0288
-7.500 -0.6644 0.07499 0.07189 0.0037 1.0000 0.0343
-7.250 -0.6550 0.07144 0.06831 0.0023 1.0000 0.0360
-7.000 -0.6444 0.06666 0.06341 -0.0012 1.0000 0.0384
-6.750 -0.6253 0.06263 0.05873 -0.0069 1.0000 0.0428
-6.500 -0.5711 0.04231 0.03883 -0.0122 1.0000 0.0456
-6.250 -0.5566 0.03872 0.03519 -0.0129 1.0000 0.0497
-5.750 -0.5609 0.04369 0.03928 -0.0126 1.0000 0.0592
-5.500 -0.5365 0.04075 0.03575 -0.0139 1.0000 0.0699
-5.250 -0.5141 0.03736 0.03250 -0.0147 1.0000 0.0747
-5.000 -0.4878 0.03422 0.02889 -0.0157 1.0000 0.0852
-4.750 -0.4606 0.03184 0.02638 -0.0163 1.0000 0.0931
-4.500 -0.4337 0.02907 0.02339 -0.0172 1.0000 0.1059
-4.250 -0.3913 0.02258 0.01567 -0.0154 1.0000 0.0501
-4.000 -0.3581 0.02020 0.01268 -0.0149 1.0000 0.0439
-3.750 -0.3274 0.01856 0.01087 -0.0151 1.0000 0.0425
-3.500 -0.2970 0.01718 0.00934 -0.0154 1.0000 0.0430
-3.250 -0.2682 0.01505 0.00720 -0.0158 1.0000 0.0453
-3.000 -0.2385 0.01391 0.00606 -0.0163 1.0000 0.0458
-2.750 -0.2086 0.01300 0.00517 -0.0170 1.0000 0.0472
-2.500 -0.1785 0.01233 0.00451 -0.0179 1.0000 0.0495
-2.250 -0.1444 0.01189 0.00404 -0.0197 0.9908 0.0539
-2.000 -0.1041 0.01150 0.00357 -0.0224 0.9727 0.0592
-1.750 -0.0783 0.01124 0.00342 -0.0217 0.9448 0.0918
-1.500 -0.0613 0.00896 0.00333 -0.0203 0.9183 0.6387
-1.250 -0.0517 0.00856 0.00333 -0.0149 0.8845 0.7575
-1.000 -0.0421 0.00839 0.00322 -0.0093 0.8496 0.8232
-0.750 -0.0279 0.00830 0.00311 -0.0051 0.8247 0.8829
-0.500 -0.0100 0.00824 0.00296 -0.0018 0.8053 0.9561
-0.250 0.0281 0.00813 0.00269 -0.0037 0.7856 1.0000
0.000 0.0553 0.00820 0.00258 -0.0036 0.7681 1.0000
0.250 0.0810 0.00829 0.00239 -0.0029 0.7350 1.0000
0.500 0.1080 0.00840 0.00223 -0.0026 0.6992 1.0000
0.750 0.1366 0.00849 0.00216 -0.0028 0.6794 1.0000
1.000 0.1655 0.00859 0.00211 -0.0030 0.6623 1.0000
1.250 0.1946 0.00868 0.00210 -0.0034 0.6475 1.0000
1.500 0.2239 0.00878 0.00212 -0.0037 0.6335 1.0000
1.750 0.2531 0.00889 0.00215 -0.0041 0.6191 1.0000
2.000 0.2824 0.00900 0.00219 -0.0044 0.6023 1.0000
2.250 0.3118 0.00911 0.00228 -0.0048 0.5838 1.0000
2.500 0.3412 0.00922 0.00236 -0.0052 0.5655 1.0000
2.750 0.3707 0.00935 0.00247 -0.0056 0.5473 1.0000
3.000 0.4002 0.00948 0.00260 -0.0060 0.5273 1.0000
3.250 0.4296 0.00964 0.00276 -0.0064 0.5002 1.0000
3.500 0.4590 0.00986 0.00291 -0.0069 0.4572 1.0000
3.750 0.4882 0.01039 0.00308 -0.0075 0.3549 1.0000
4.000 0.5170 0.01200 0.00372 -0.0092 0.1515 1.0000
4.250 0.5458 0.01319 0.00446 -0.0103 0.0584 1.0000
4.500 0.5749 0.01376 0.00506 -0.0107 0.0519 1.0000
4.750 0.6038 0.01432 0.00573 -0.0112 0.0498 1.0000
5.000 0.6324 0.01498 0.00649 -0.0116 0.0481 1.0000
5.250 0.6602 0.01581 0.00738 -0.0120 0.0456 1.0000
5.500 0.6872 0.01689 0.00853 -0.0123 0.0444 1.0000
5.750 0.7131 0.01825 0.00993 -0.0123 0.0436 1.0000
6.000 0.7390 0.01973 0.01146 -0.0121 0.0424 1.0000
6.250 0.7661 0.02081 0.01267 -0.0119 0.0407 1.0000
6.500 0.7927 0.02244 0.01445 -0.0116 0.0396 1.0000
6.750 0.8190 0.02383 0.01597 -0.0115 0.0365 1.0000
7.000 0.8454 0.02627 0.01868 -0.0110 0.0363 1.0000
7.250 0.8710 0.03055 0.02360 -0.0100 0.0393 1.0000
13.250 0.6429 0.15188 0.14872 -0.0436 0.0483 1.0000
13.500 0.6449 0.15441 0.15126 -0.0441 0.0458 1.0000
13.750 0.8571 0.17806 0.17471 -0.0721 0.0332 1.0000
14.000 0.8558 0.18366 0.18027 -0.0783 0.0304 1.0000
14.250 0.6495 0.16428 0.16113 -0.0461 0.0421 1.0000
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Polar data table (+)
Polar graphs
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