USA 40 B AIRFOIL (usa40b-il)
USA 40 B AIRFOIL - USA-40B airfoil
| Details | Dat file | Parser | |
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(usa40b-il) USA 40 B AIRFOIL USA-40B airfoil Max thickness 13.6% at 20% chord. Max camber 4% at 40% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Lednicer format |
USA 40 B AIRFOIL
17. 17.
0.0000000 0.0000000
0.0125200 0.0306900
0.0250300 0.0439800
0.0500400 0.0632600
0.0750500 0.0765500
0.1000600 0.0872300
0.1500700 0.1000900
0.2000700 0.1054600
0.3000700 0.1057900
0.4000700 0.0999200
0.5000600 0.0903500
0.6000500 0.0768800
0.7000400 0.0605100
0.8000300 0.0434400
0.9000200 0.0233700
0.9500100 0.0126300
1.0000000 0.0000000
0.0000000 0.0000000
0.0124900 -.0190100
0.0249800 -.0240200
0.0499800 -.0287300
0.0749800 -.0307500
0.0999800 -.0320700
0.1499800 -.0327000
0.1999800 -.0308400
0.2999800 -.0262100
0.3999900 -.0198800
0.4999900 -.0133500
0.6000000 -.0061200
0.7000000 0.0015100
0.8000100 0.0071400
0.9000000 0.0060700
0.9500000 0.0026300
1.0000000 0.0000000
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Polars for USA 40 B AIRFOIL (usa40b-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| usa40b-il | 50,000 | 9 | 25.1 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40b-il | 50,000 | 5 | 31.2 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40b-il | 100,000 | 9 | 39.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40b-il | 100,000 | 5 | 45.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40b-il | 200,000 | 9 | 56.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40b-il | 200,000 | 5 | 62 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40b-il | 500,000 | 9 | 85.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40b-il | 500,000 | 5 | 88.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40b-il | 1,000,000 | 9 | 111.1 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40b-il | 1,000,000 | 5 | 112 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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