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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(a18sm-il) A18 (smoothed) | Archer A18 F1C free flight airfoil (smoothed) Max thickness 7.3% at 27.1% chord Max camber 3.8% at 49.3% chord | Remove Airfoil details Airfoil plotter |
(vr1-il) BOEING-VERTOL VR-1 AIRFOIL | Boeing-Vertol VR-1 rotorcraft airfoil Max thickness 11% at 35.3% chord Max camber 1.5% at 43.3% chord | Remove Airfoil details Airfoil plotter |
(vr7b-il) BOEING-VERTOL VR-7 AIRFOIL WITH TAB | Boeing-Vertol VR-7 rotorcraft airfoil with tab Max thickness 12% at 33% chord Max camber 3% at 29% chord | Remove Airfoil details Airfoil plotter |
(hq1510-il) HQ 1.5/10 AIRFOIL | Quabeck HQ 1.5/10 R/C sailplane airfoil Max thickness 10% at 35% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(ls413-il) NASA/LANGLEY LS(1)-0413 (GA(W)-2) AIRFOIL | NASA/Langley LS(1)-0413 (GA(W)-2) general aviation airfoil Max thickness 12.9% at 37.5% chord Max camber 2.4% at 65% chord | Remove Airfoil details Airfoil plotter |
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Polars for (a18sm-il,vr1-il,vr7b-il,hq1510-il,ls413-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| a18sm-il | 50,000 | 9 | 44.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| a18sm-il | 50,000 | 5 | 44.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| a18sm-il | 100,000 | 9 | 65.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| a18sm-il | 100,000 | 5 | 63.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| a18sm-il | 200,000 | 9 | 87 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| a18sm-il | 200,000 | 5 | 81.7 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| a18sm-il | 500,000 | 9 | 114.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| a18sm-il | 500,000 | 5 | 102.7 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| a18sm-il | 1,000,000 | 9 | 132.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| a18sm-il | 1,000,000 | 5 | 116 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr1-il | 50,000 | 9 | 30.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr1-il | 50,000 | 5 | 30 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr1-il | 100,000 | 9 | 46.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr1-il | 100,000 | 5 | 44.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr1-il | 200,000 | 9 | 63.5 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr1-il | 200,000 | 5 | 53.6 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr1-il | 500,000 | 9 | 72.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr1-il | 500,000 | 5 | 61.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr1-il | 1,000,000 | 9 | 77.8 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr1-il | 1,000,000 | 5 | 75.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr7b-il | 50,000 | 9 | 30.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr7b-il | 50,000 | 5 | 33.3 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr7b-il | 100,000 | 9 | 52.1 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr7b-il | 100,000 | 5 | 53.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr7b-il | 200,000 | 9 | 72.9 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr7b-il | 200,000 | 5 | 71.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr7b-il | 500,000 | 9 | 99.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr7b-il | 500,000 | 5 | 92.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr7b-il | 1,000,000 | 9 | 118.1 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr7b-il | 1,000,000 | 5 | 105.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1510-il | 50,000 | 9 | 34.3 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1510-il | 50,000 | 5 | 35.1 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1510-il | 100,000 | 9 | 51.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1510-il | 100,000 | 5 | 49.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1510-il | 200,000 | 9 | 68.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1510-il | 200,000 | 5 | 61.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1510-il | 500,000 | 9 | 88.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1510-il | 500,000 | 5 | 73.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1510-il | 1,000,000 | 9 | 92.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1510-il | 1,000,000 | 5 | 81 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls413-il | 50,000 | 9 | 35.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls413-il | 50,000 | 5 | 33.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls413-il | 100,000 | 9 | 53 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls413-il | 100,000 | 5 | 48.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls413-il | 200,000 | 9 | 69.5 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls413-il | 200,000 | 5 | 65.7 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls413-il | 500,000 | 9 | 96.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls413-il | 500,000 | 5 | 82.5 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls413-il | 1,000,000 | 9 | 112.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls413-il | 1,000,000 | 5 | 86.4 at α=0.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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