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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(hq158-il) HQ 1.5/8 AIRFOIL | Quabeck HQ 1.5/8 R/C sailplane airfoil Max thickness 8% at 32.5% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(goe670-il) GOE 670 AIRFOIL | Gottingen 670 airfoil Max thickness 9% at 30% chord Max camber 3.4% at 40% chord | Remove Airfoil details Airfoil plotter |
(esa40-il) ESA40 | Evans Simitar Airfoil ESA40 for R/C tailless aircraft Max thickness 10.7% at 27.1% chord Max camber 2% at 12% chord | Remove Airfoil details Airfoil plotter |
(hq159b-il) HQ 1.5/9 B AIRFOIL | Quabeck HQ 1.5/9 B R/C sailplane airfoil Max thickness 9% at 37.1% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(hq109-il) HQ 1.0/9 AIRFOIL | Quabeck HQ 1.0/9 R/C sailplane airfoil Max thickness 9% at 35% chord Max camber 1% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hq158-il,goe670-il,esa40-il,hq159b-il,hq109-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hq158-il | 50,000 | 9 | 35.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq158-il | 50,000 | 5 | 35.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq158-il | 100,000 | 9 | 51.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq158-il | 100,000 | 5 | 49 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq158-il | 200,000 | 9 | 68.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq158-il | 200,000 | 5 | 60.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq158-il | 500,000 | 9 | 86.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq158-il | 500,000 | 5 | 70 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq158-il | 1,000,000 | 9 | 92 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq158-il | 1,000,000 | 5 | 77.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 50,000 | 9 | 35.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 50,000 | 5 | 37.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 100,000 | 9 | 57.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 100,000 | 5 | 54.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 200,000 | 9 | 78.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 200,000 | 5 | 70.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 500,000 | 9 | 101.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 500,000 | 5 | 81.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 1,000,000 | 9 | 114.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 1,000,000 | 5 | 97.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| esa40-il | 50,000 | 9 | 16 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| esa40-il | 50,000 | 5 | 21.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| esa40-il | 100,000 | 9 | 25.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| esa40-il | 100,000 | 5 | 32.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| esa40-il | 200,000 | 9 | 39.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| esa40-il | 200,000 | 5 | 47.3 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| esa40-il | 500,000 | 9 | 66.3 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| esa40-il | 500,000 | 5 | 69.6 at α=10.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| esa40-il | 1,000,000 | 9 | 87.5 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| esa40-il | 1,000,000 | 5 | 86.4 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159b-il | 50,000 | 9 | 35.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159b-il | 50,000 | 5 | 35.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159b-il | 100,000 | 9 | 51.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159b-il | 100,000 | 5 | 49.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159b-il | 200,000 | 9 | 67.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159b-il | 200,000 | 5 | 60.6 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159b-il | 500,000 | 9 | 84.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159b-il | 500,000 | 5 | 68 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159b-il | 1,000,000 | 9 | 86.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159b-il | 1,000,000 | 5 | 80.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq109-il | 50,000 | 9 | 32.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq109-il | 50,000 | 5 | 33.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq109-il | 100,000 | 9 | 48 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq109-il | 100,000 | 5 | 45 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq109-il | 200,000 | 9 | 62.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq109-il | 200,000 | 5 | 55.3 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq109-il | 500,000 | 9 | 79.5 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq109-il | 500,000 | 5 | 66.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq109-il | 1,000,000 | 9 | 82.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq109-il | 1,000,000 | 5 | 75.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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