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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(ah81k144wfklappe-il) AH 81-K-144 W-F KLAPPE | Althaus AH 81-K-144 W-F KLAPPE airfoil for use with flaps (K) Max thickness 22% at 17% chord Max camber 1.1% at 56.5% chord | Remove Airfoil details Airfoil plotter |
(ah94156-il) AH 94-156 | Althaus AH 94-156 airfoil Max thickness 15.6% at 39.6% chord Max camber 3.6% at 41.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (ah81k144wfklappe-il,ah94156-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ah81k144wfklappe-il | 50,000 | 9 | 4.2 at α=-2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 50,000 | 5 | 2.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 100,000 | 9 | 3.8 at α=-1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 100,000 | 5 | 10 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 200,000 | 9 | 10.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 200,000 | 5 | 35.4 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 500,000 | 9 | 68.9 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 500,000 | 5 | 66.7 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 1,000,000 | 9 | 89.7 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 1,000,000 | 5 | 68.5 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94156-il | 50,000 | 9 | 6.3 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94156-il | 50,000 | 5 | 16.7 at α=13° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94156-il | 100,000 | 9 | 40.2 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94156-il | 100,000 | 5 | 36.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94156-il | 200,000 | 9 | 72.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94156-il | 200,000 | 5 | 64.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94156-il | 500,000 | 9 | 103.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94156-il | 500,000 | 5 | 95.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94156-il | 1,000,000 | 9 | 125.1 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94156-il | 1,000,000 | 5 | 115.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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