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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(s817-nr) NREL's S817 Airfoil | NREL HAWT airfoil S817 tip 16.0% Dia=30 to 50 m Re=3.0E+6 Clmax(S)=1.10 Clmax(R)=1.08 Restrained max lift coef Max thickness 16% at 51.1% chord Max camber 2.8% at 41.1% chord | Remove Airfoil details Airfoil plotter |
(goe415-il) GOE 415 AIRFOIL | Gottingen 415 airfoil Max thickness 8.5% at 19.9% chord Max camber 3.7% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(ag03-il) AG03 (flat aft bottom) | Drela AG03 (flat aft bottom) airfoil Max thickness 6.2% at 25.7% chord Max camber 2% at 33.1% chord | Remove Airfoil details Airfoil plotter |
(joukowsk0021-jf) Joukovsky f=0% t=21% | Joukowski 21% symmetrical airfoil Max thickness 21% at 26.6% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe802-il) GOE 802 AIRFOIL | Gottingen 802 airfoil Max thickness 9.8% at 30% chord Max camber 6.1% at 40% chord | Remove Airfoil details Airfoil plotter |
(e543-il) EPPLER 543 AIRFOIL | Eppler E543 general aviation airfoil Max thickness 17.2% at 40.7% chord Max camber 1.9% at 31% chord | Remove Airfoil details Airfoil plotter |
(dae11-il) DAE-11 AIRFOIL | Drela DAE11 low Reynolds number airfoil Max thickness 12.8% at 32.8% chord Max camber 6.6% at 44.4% chord | Remove Airfoil details Airfoil plotter |
(vr9-il) BOEING-VERTOL VR-9 AIRFOIL | Boeing-Vertol VR-9 rotorcraft airfoil Max thickness 6.1% at 35% chord Max camber 0.3% at 35% chord | Remove Airfoil details Airfoil plotter |
(dae31-il) DAE-31 AIRFOIL | Drela DAE31 low Reynolds number airfoil Max thickness 11.1% at 29.3% chord Max camber 6.7% at 47% chord | Remove Airfoil details Airfoil plotter |
(e176-il) E176 (8.83%) | Eppler E176 low Reynolds number airfoil Max thickness 8.8% at 30.5% chord Max camber 2.9% at 44.2% chord | Remove Airfoil details Airfoil plotter |
(e169-il) E169 (14.4%) | Eppler E169 low Reynolds number airfoil Max thickness 14.4% at 26.5% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(c5d-il) LOCKHEED C-5A BL758.6 AIRFOIL | Lockheed-Georgia C-5A transonic wing airfoils Max thickness 11.1% at 40% chord Max camber 1.4% at 60% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (s817-nr,goe415-il,ag03-il,joukowsk0021-jf,goe802-il,e543-il,dae11-il,vr9-il,dae31-il,e176-il,e169-il,c5d-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s817-nr | 50,000 | 9 | 21.5 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s817-nr | 50,000 | 5 | 17.9 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s817-nr | 100,000 | 9 | 25.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s817-nr | 100,000 | 5 | 26.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s817-nr | 200,000 | 9 | 45.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s817-nr | 200,000 | 5 | 53 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s817-nr | 500,000 | 9 | 105.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s817-nr | 500,000 | 5 | 101.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s817-nr | 1,000,000 | 9 | 137.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s817-nr | 1,000,000 | 5 | 126 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe415-il | 50,000 | 9 | 34 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe415-il | 50,000 | 5 | 37.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe415-il | 100,000 | 9 | 52 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe415-il | 100,000 | 5 | 53.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe415-il | 200,000 | 9 | 68.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe415-il | 200,000 | 5 | 69.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe415-il | 500,000 | 9 | 92.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe415-il | 500,000 | 5 | 90.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe415-il | 1,000,000 | 9 | 109.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe415-il | 1,000,000 | 5 | 106.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag03-il | 50,000 | 9 | 32.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag03-il | 50,000 | 5 | 34.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag03-il | 100,000 | 9 | 46.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag03-il | 100,000 | 5 | 46.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag03-il | 200,000 | 9 | 60.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag03-il | 200,000 | 5 | 58.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag03-il | 500,000 | 9 | 78.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag03-il | 500,000 | 5 | 74.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag03-il | 1,000,000 | 9 | 92.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag03-il | 1,000,000 | 5 | 88 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 50,000 | 9 | 2.5 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 50,000 | 5 | 17.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 100,000 | 9 | 29.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 100,000 | 5 | 32.4 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 200,000 | 9 | 46.2 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 200,000 | 5 | 45.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 500,000 | 9 | 66.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 500,000 | 5 | 64.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 1,000,000 | 9 | 84.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 1,000,000 | 5 | 78.9 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe802-il | 50,000 | 9 | 17.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe802-il | 50,000 | 5 | 38.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe802-il | 100,000 | 9 | 55.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe802-il | 100,000 | 5 | 60.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe802-il | 200,000 | 9 | 79.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe802-il | 200,000 | 5 | 79.6 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe802-il | 500,000 | 9 | 110.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe802-il | 500,000 | 5 | 104.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe802-il | 1,000,000 | 9 | 132 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe802-il | 1,000,000 | 5 | 123 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 50,000 | 9 | 21.3 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 50,000 | 5 | 17.9 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 100,000 | 9 | 42.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 100,000 | 5 | 35.3 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 200,000 | 9 | 56.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 200,000 | 5 | 58.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 500,000 | 9 | 86.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 500,000 | 5 | 82.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 1,000,000 | 9 | 108.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 1,000,000 | 5 | 98.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae11-il | 50,000 | 9 | 6.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae11-il | 50,000 | 5 | 13.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae11-il | 100,000 | 9 | 31.3 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae11-il | 100,000 | 5 | 32.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae11-il | 200,000 | 9 | 79 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae11-il | 200,000 | 5 | 83.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae11-il | 500,000 | 9 | 135.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae11-il | 500,000 | 5 | 132.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae11-il | 1,000,000 | 9 | 177.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae11-il | 1,000,000 | 5 | 165 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 50,000 | 9 | 24.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 50,000 | 5 | 23.8 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 100,000 | 9 | 31.2 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 100,000 | 5 | 27.4 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 200,000 | 9 | 34.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 200,000 | 5 | 32.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 500,000 | 9 | 39.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 500,000 | 5 | 42.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 1,000,000 | 9 | 52.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 1,000,000 | 5 | 55.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 50,000 | 9 | 10 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 50,000 | 5 | 25.9 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 100,000 | 9 | 56.4 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 100,000 | 5 | 57.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 200,000 | 9 | 91.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 200,000 | 5 | 90.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 500,000 | 9 | 139.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 500,000 | 5 | 128.8 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 1,000,000 | 9 | 173.7 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 1,000,000 | 5 | 151.5 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e176-il | 50,000 | 9 | 37.7 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e176-il | 50,000 | 5 | 38.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e176-il | 100,000 | 9 | 59.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e176-il | 100,000 | 5 | 58.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e176-il | 200,000 | 9 | 81.1 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e176-il | 200,000 | 5 | 78.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e176-il | 500,000 | 9 | 110.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e176-il | 500,000 | 5 | 103.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e176-il | 1,000,000 | 9 | 132.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e176-il | 1,000,000 | 5 | 119.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 50,000 | 9 | 16.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 50,000 | 5 | 27 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 100,000 | 9 | 39.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 100,000 | 5 | 41.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 200,000 | 9 | 56.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 200,000 | 5 | 55.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 500,000 | 9 | 77.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 500,000 | 5 | 71.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 9 | 92.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 5 | 79.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5d-il | 50,000 | 9 | 30.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5d-il | 50,000 | 5 | 31 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5d-il | 100,000 | 9 | 48.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5d-il | 100,000 | 5 | 44.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5d-il | 200,000 | 9 | 66.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5d-il | 200,000 | 5 | 53.6 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5d-il | 500,000 | 9 | 75.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5d-il | 500,000 | 5 | 62.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| c5d-il | 1,000,000 | 9 | 79.9 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| c5d-il | 1,000,000 | 5 | 78.3 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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