Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
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(ht12-il) HT12 | Drela HT12 airfoil Max thickness 5% at 18.6% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(c5b-il) LOCKHEED C-5A BL488.2 AIRFOIL | Lockheed-Georgia C-5A transonic wing airfoils Max thickness 11.5% at 40% chord Max camber 1.2% at 70% chord | Remove Airfoil details Airfoil plotter |
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Polars for (ht12-il,c5b-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ht12-il | 50,000 | 9 | 21.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 50,000 | 5 | 20.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 100,000 | 9 | 26.8 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 100,000 | 5 | 26.8 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 200,000 | 9 | 32.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 200,000 | 5 | 35.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 500,000 | 9 | 45.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 500,000 | 5 | 50.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 1,000,000 | 9 | 58.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 1,000,000 | 5 | 64.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5b-il | 50,000 | 9 | 30.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5b-il | 50,000 | 5 | 29.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5b-il | 100,000 | 9 | 46.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5b-il | 100,000 | 5 | 42.6 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5b-il | 200,000 | 9 | 64.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5b-il | 200,000 | 5 | 50.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5b-il | 500,000 | 9 | 73.8 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5b-il | 500,000 | 5 | 61.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5b-il | 1,000,000 | 9 | 78.5 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5b-il | 1,000,000 | 5 | 77.1 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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