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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(s7055-il) S7055 (10.5%) Flat-Bottomed | Selig S7055 low Reynolds number airfoil Max thickness 10.5% at 31.8% chord Max camber 3.3% at 38.6% chord | Remove Airfoil details Airfoil plotter |
(sc20706-il) NASA SC(2)-0706 AIRFOIL | NASA SC(2)-0706 airfoil (NASA TP-2969) Max thickness 6% at 34% chord Max camber 1.6% at 82% chord | Remove Airfoil details Airfoil plotter |
(s7075-il) S7075 (9%) | Selig S7075 low Reynolds number airfoil Max thickness 9% at 29% chord Max camber 2.8% at 46.8% chord | Remove Airfoil details Airfoil plotter |
(strand-il) STRAND AIRFOIL | Strand high lift airfoil Max thickness 15.4% at 26.1% chord Max camber 4.1% at 32.1% chord | Remove Airfoil details Airfoil plotter |
(sc20503-il) NASA SC(2)-0503 AIRFOIL | NASA SC(2)-0503 airfoil (NASA TP-2969) Max thickness 3% at 32% chord Max camber 0.8% at 82% chord | Remove Airfoil details Airfoil plotter |
(sd2030-il) SD2030-086-88 | Selig/Donovan SD2030 low Reynolds number airfoil Max thickness 8.6% at 35.5% chord Max camber 2.2% at 45.3% chord | Remove Airfoil details Airfoil plotter |
(sc20612-il) NASA SC(2)-0612 AIRFOIL | NASA SC(2)-0612 airfoil (NASA TP-2969) Max thickness 12% at 37% chord Max camber 1.9% at 81% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s7055-il,sc20706-il,s7075-il,strand-il,sc20503-il,sd2030-il,sc20612-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s7055-il | 50,000 | 9 | 31.1 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7055-il | 50,000 | 5 | 36.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7055-il | 100,000 | 9 | 54.3 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7055-il | 100,000 | 5 | 56.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7055-il | 200,000 | 9 | 77.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7055-il | 200,000 | 5 | 75.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7055-il | 500,000 | 9 | 107.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7055-il | 500,000 | 5 | 99.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7055-il | 1,000,000 | 9 | 129.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7055-il | 1,000,000 | 5 | 116.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20706-il | 50,000 | 9 | 24 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20706-il | 50,000 | 5 | 25.3 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20706-il | 100,000 | 9 | 38.2 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20706-il | 100,000 | 5 | 33.3 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20706-il | 200,000 | 9 | 40.6 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20706-il | 200,000 | 5 | 44.1 at α=0.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20706-il | 500,000 | 9 | 67 at α=0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20706-il | 500,000 | 5 | 55.8 at α=-0.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20706-il | 1,000,000 | 9 | 96.6 at α=-0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20706-il | 1,000,000 | 5 | 68 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7075-il | 50,000 | 9 | 38.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7075-il | 50,000 | 5 | 40.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7075-il | 100,000 | 9 | 59.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7075-il | 100,000 | 5 | 57.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7075-il | 200,000 | 9 | 81.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7075-il | 200,000 | 5 | 74 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7075-il | 500,000 | 9 | 108 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7075-il | 500,000 | 5 | 91.6 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s7075-il | 1,000,000 | 9 | 123 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s7075-il | 1,000,000 | 5 | 101.8 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| strand-il | 50,000 | 9 | 5.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| strand-il | 50,000 | 5 | 8.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| strand-il | 100,000 | 9 | 7.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| strand-il | 100,000 | 5 | 14.2 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| strand-il | 200,000 | 9 | 15.5 at α=15.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| strand-il | 200,000 | 5 | 26.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| strand-il | 500,000 | 9 | 92.4 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| strand-il | 500,000 | 5 | 101.6 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| strand-il | 1,000,000 | 9 | 141.7 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| strand-il | 1,000,000 | 5 | 147.1 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20503-il | 50,000 | 9 | 19.4 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20503-il | 50,000 | 5 | 19.4 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20503-il | 100,000 | 9 | 26.5 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20503-il | 100,000 | 5 | 24 at α=1° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20503-il | 200,000 | 9 | 52.3 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20503-il | 200,000 | 5 | 32.1 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20503-il | 500,000 | 9 | 50.2 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20503-il | 500,000 | 5 | 35.3 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20503-il | 1,000,000 | 9 | 71.3 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20503-il | 1,000,000 | 5 | 42.8 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 50,000 | 9 | 37.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 50,000 | 5 | 37.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 100,000 | 9 | 56.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 100,000 | 5 | 52.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 200,000 | 9 | 77.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 200,000 | 5 | 68.9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 500,000 | 9 | 104.8 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 500,000 | 5 | 81 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 1,000,000 | 9 | 112.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 1,000,000 | 5 | 87.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 50,000 | 9 | 24.5 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 50,000 | 5 | 23.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 100,000 | 9 | 29.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 100,000 | 5 | 31.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 200,000 | 9 | 40.5 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 200,000 | 5 | 44.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 500,000 | 9 | 63.6 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 500,000 | 5 | 65 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 1,000,000 | 9 | 77.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 1,000,000 | 5 | 79.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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