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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(marske7-il) RONCZ LOW DRAG FLYING WING AIRFOIL | Roncz/Marske-7 low drag flying wing airfoil Max thickness 12.1% at 42.8% chord Max camber 2.8% at 39.1% chord | Remove Airfoil details Airfoil plotter |
(s813-nr) NREL's S813 Airfoil | NREL HAWT airfoil S813 tip Max thickness 16% at 40.4% chord Max camber 2.3% at 54.4% chord | Remove Airfoil details Airfoil plotter |
(hq3014-il) HQ 3.0/14 AIRFOIL | Quabeck HQ 3.0/14 R/C sailplane airfoil Max thickness 14% at 35% chord Max camber 3% at 50% chord | Remove Airfoil details Airfoil plotter |
(s819-nr) NREL's S819 Airfoil | NREL HAWT airfoil S819 primary 21.0% Dia=10 to 20 m Re=1.0E+6 Clmax(S)=1.20 Clmax(R)=1.16 Restrained max lift coef Max thickness 21.1% at 28.4% chord Max camber 1.3% at 77.3% chord | Remove Airfoil details Airfoil plotter |
(s821-nr) NREL's S821 Airfoil | NREL HAWT airfoil S821 root 24.0% Dia=10 to 20 m Re=8.0E+5 Clmax(S)=1.40 Clmax(R)=1.35 Restrained max lift coef Max thickness 24.2% at 24.6% chord Max camber 2.6% at 77.6% chord | Remove Airfoil details Airfoil plotter |
(s834-nr) NREL's S834 Airfoil | NREL HAWT airfoil S834 tip 15.0% Dia=1 to 3 m Re=4.0E+5 Clmax(S)=1.00 Clmax(R)=1.02 High max lift coef Max thickness 15% at 39.5% chord Max camber 1.6% at 60% chord | Remove Airfoil details Airfoil plotter |
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Polars for (marske7-il,s813-nr,hq3014-il,s819-nr,s821-nr,s834-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| marske7-il | 50,000 | 9 | 27.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| marske7-il | 50,000 | 5 | 24 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| marske7-il | 100,000 | 9 | 43.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| marske7-il | 100,000 | 5 | 43.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| marske7-il | 200,000 | 9 | 72 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| marske7-il | 200,000 | 5 | 67.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| marske7-il | 500,000 | 9 | 103.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| marske7-il | 500,000 | 5 | 90.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| marske7-il | 1,000,000 | 9 | 120.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| marske7-il | 1,000,000 | 5 | 96.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s813-nr | 50,000 | 9 | 23.5 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s813-nr | 50,000 | 5 | 20.4 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s813-nr | 100,000 | 9 | 35.2 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s813-nr | 100,000 | 5 | 34.4 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s813-nr | 200,000 | 9 | 64.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s813-nr | 200,000 | 5 | 65.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s813-nr | 500,000 | 9 | 104.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s813-nr | 500,000 | 5 | 96.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s813-nr | 1,000,000 | 9 | 130.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s813-nr | 1,000,000 | 5 | 115.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 50,000 | 9 | 30.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 50,000 | 5 | 33 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 100,000 | 9 | 54.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 100,000 | 5 | 53.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 200,000 | 9 | 77.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 200,000 | 5 | 70.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 500,000 | 9 | 99.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 500,000 | 5 | 85.4 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 1,000,000 | 9 | 113.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 1,000,000 | 5 | 96.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s819-nr | 50,000 | 9 | 7.9 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s819-nr | 50,000 | 5 | 22.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s819-nr | 100,000 | 9 | 38.4 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s819-nr | 100,000 | 5 | 40.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s819-nr | 200,000 | 9 | 55.6 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s819-nr | 200,000 | 5 | 54.8 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s819-nr | 500,000 | 9 | 77.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s819-nr | 500,000 | 5 | 72.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s819-nr | 1,000,000 | 9 | 93.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s819-nr | 1,000,000 | 5 | 84.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s821-nr | 50,000 | 9 | 4.8 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s821-nr | 50,000 | 5 | 19.4 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s821-nr | 100,000 | 9 | 35.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s821-nr | 100,000 | 5 | 37.4 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s821-nr | 200,000 | 9 | 52.8 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s821-nr | 200,000 | 5 | 51.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s821-nr | 500,000 | 9 | 72.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s821-nr | 500,000 | 5 | 66 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s821-nr | 1,000,000 | 9 | 87.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s821-nr | 1,000,000 | 5 | 75.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s834-nr | 50,000 | 9 | 29.8 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s834-nr | 50,000 | 5 | 26.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s834-nr | 100,000 | 9 | 47.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s834-nr | 100,000 | 5 | 44.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s834-nr | 200,000 | 9 | 70.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s834-nr | 200,000 | 5 | 55.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s834-nr | 500,000 | 9 | 81.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s834-nr | 500,000 | 5 | 74.4 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s834-nr | 1,000,000 | 9 | 102.7 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s834-nr | 1,000,000 | 5 | 83.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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