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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(m685-il) M6 (85%) | NACA/Munk M6 (85%) Max thickness 10.2% at 30% chord Max camber 1.9% at 30% chord | Remove Airfoil details Airfoil plotter |
(m6-il) NACA M6 AIRFOIL | NACA/Munk M-6 airfoil Max thickness 12% at 30% chord Max camber 2.2% at 30% chord | Remove Airfoil details Airfoil plotter |
(m9-il) NACA M9 AIRFOIL | NACA/Munk M-9 airfoil Max thickness 10.4% at 15% chord Max camber 7.2% at 30% 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 |
(m8-il) NACA M8 AIRFOIL | NACA/Munk M-8 airfoil Max thickness 11.7% at 15% chord Max camber 8% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (m685-il,m6-il,m9-il,vr1-il,m8-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| m685-il | 50,000 | 9 | 33.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m685-il | 50,000 | 5 | 34.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m685-il | 100,000 | 9 | 50.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m685-il | 100,000 | 5 | 49.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m685-il | 200,000 | 9 | 66.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m685-il | 200,000 | 5 | 62.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m685-il | 500,000 | 9 | 84.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m685-il | 500,000 | 5 | 70.7 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m685-il | 1,000,000 | 9 | 85.4 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m685-il | 1,000,000 | 5 | 75.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m6-il | 50,000 | 9 | 30.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m6-il | 50,000 | 5 | 32 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m6-il | 100,000 | 9 | 48.8 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m6-il | 100,000 | 5 | 48.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m6-il | 200,000 | 9 | 66.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m6-il | 200,000 | 5 | 63.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m6-il | 500,000 | 9 | 87.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m6-il | 500,000 | 5 | 76.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m6-il | 1,000,000 | 9 | 97 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m6-il | 1,000,000 | 5 | 83.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m9-il | 50,000 | 9 | 15.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m9-il | 50,000 | 5 | 30.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m9-il | 100,000 | 9 | 43.5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m9-il | 100,000 | 5 | 49.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m9-il | 200,000 | 9 | 63.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m9-il | 200,000 | 5 | 63.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m9-il | 500,000 | 9 | 80.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m9-il | 500,000 | 5 | 81.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m9-il | 1,000,000 | 9 | 99.5 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m9-il | 1,000,000 | 5 | 99.7 at α=8.5° | 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 | |
| m8-il | 50,000 | 9 | 8.5 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m8-il | 50,000 | 5 | 26.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m8-il | 100,000 | 9 | 40.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m8-il | 100,000 | 5 | 46.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m8-il | 200,000 | 9 | 60.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m8-il | 200,000 | 5 | 62.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m8-il | 500,000 | 9 | 83 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m8-il | 500,000 | 5 | 79.6 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m8-il | 1,000,000 | 9 | 96.6 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m8-il | 1,000,000 | 5 | 99.1 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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