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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(hs1620-il) HAM-STD HS1-620 AIRFOIL | HS1 family of prop airfoils from US Patent No. 4 Max thickness 20% at 34% chord Max camber 4.1% at 44% chord | Remove Airfoil details Airfoil plotter |
(hq309-il) HQ 3.0/9 AIRFOIL | Quabeck HQ 3.0/9 R/C sailplane airfoil Max thickness 9% at 35% chord Max camber 3% at 50% chord | Remove Airfoil details Airfoil plotter |
(hq3010-il) HQ 3.0/10 AIRFOIL | Quabeck HQ 3.0/10 R/C sailplane airfoil Max thickness 10% at 35% chord Max camber 3% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hs1620-il,hq309-il,hq3010-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hs1620-il | 50,000 | 9 | 16 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hs1620-il | 50,000 | 5 | 25.2 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hs1620-il | 100,000 | 9 | 43.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hs1620-il | 100,000 | 5 | 38.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hs1620-il | 200,000 | 9 | 59.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hs1620-il | 200,000 | 5 | 51.2 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hs1620-il | 500,000 | 9 | 72.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hs1620-il | 500,000 | 5 | 57.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hs1620-il | 1,000,000 | 9 | 76.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hs1620-il | 1,000,000 | 5 | 70.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq309-il | 50,000 | 9 | 39.2 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq309-il | 50,000 | 5 | 41.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq309-il | 100,000 | 9 | 61.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq309-il | 100,000 | 5 | 59.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq309-il | 200,000 | 9 | 84.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq309-il | 200,000 | 5 | 78.4 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq309-il | 500,000 | 9 | 114.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq309-il | 500,000 | 5 | 96.3 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq309-il | 1,000,000 | 9 | 132.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq309-il | 1,000,000 | 5 | 101.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3010-il | 50,000 | 9 | 37.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3010-il | 50,000 | 5 | 39.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3010-il | 100,000 | 9 | 60 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3010-il | 100,000 | 5 | 58.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3010-il | 200,000 | 9 | 83.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3010-il | 200,000 | 5 | 77.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3010-il | 500,000 | 9 | 113.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3010-il | 500,000 | 5 | 92.8 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3010-il | 1,000,000 | 9 | 126 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3010-il | 1,000,000 | 5 | 99.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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