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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(fx78k140a20-il) FX 78-K-140 A/20 | Wortmann FX 78-K-140 airfoil for use with flaps (K) A/20 Max thickness 14.1% at 43.5% chord Max camber 4.4% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(rg14a147-il) RG 14A-1.4/7.0 AIRFOIL | Rolf Girsberger RG 14A-1.4/7.0 airfoil Max thickness 7% at 29.7% chord Max camber 1.4% at 34.3% chord | Remove Airfoil details Airfoil plotter |
(fx77w270s-il) FX 77-W-270S | Wortmann FX 77-W-270S airfoil for use on wind turbines (W) Max thickness 27.1% at 33.9% chord Max camber 4.2% at 27.9% chord | Remove Airfoil details Airfoil plotter |
(fx78k161-il) FX 78-K-161 | Wortmann FX 78-K-161 airfoil for use with flaps (K) Max thickness 16.2% at 40.2% chord Max camber 2.8% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(fx74cl6140-il) FX 74-CL6-140 | Wortmann FX 74-CL6-140 airfoil Max thickness 14.1% at 30.9% chord Max camber 7.1% at 33.9% chord | Remove Airfoil details Airfoil plotter |
(fx84w127-il) FX 84-W-127 | Wortmann FX 84-W-127 airfoil for use on wind turbines (W) Max thickness 12.8% at 33.9% chord Max camber 3.7% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(fx62k153-il) FX 62-K-153/20 AIRFOIL | Wortmann FX 62-K-153/20 airfoil Max thickness 15.3% at 40.2% chord Max camber 4.1% at 62.9% chord | Remove Airfoil details Airfoil plotter |
(fx68h120-il) FX 68-H-120 | Wortmann FX 68-H-120 airfoil Max thickness 11.8% at 25% chord Max camber 2.3% at 33.9% chord | Remove Airfoil details Airfoil plotter |
(fx74cl5140-il) FX74_CL5_140 | Wortmann FX 74-CL5-140 high lift airfoil Max thickness 14% at 30.9% chord Max camber 9.9% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(fx77w270-il) FX 77-W-270 | Wortmann FX 77-W-270 airfoil for use on wind turbines (W) Max thickness 27.1% at 33.9% chord Max camber 4.3% at 27.9% chord | Remove Airfoil details Airfoil plotter |
(fx84w175-il) FX 84-W-175 | Wortmann FX 84-W-175 airfoil for use on wind turbines (W) Max thickness 17.6% at 37.1% chord Max camber 4.4% at 43.5% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (fx78k140a20-il,rg14a147-il,fx77w270s-il,fx78k161-il,fx74cl6140-il,fx84w127-il,fx62k153-il,fx68h120-il,fx74cl5140-il,fx77w270-il,fx84w175-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| fx78k140a20-il | 50,000 | 9 | 16.8 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140a20-il | 50,000 | 5 | 15.8 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140a20-il | 100,000 | 9 | 25.4 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140a20-il | 100,000 | 5 | 27.8 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140a20-il | 200,000 | 9 | 54.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140a20-il | 200,000 | 5 | 57.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140a20-il | 500,000 | 9 | 118.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140a20-il | 500,000 | 5 | 111.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140a20-il | 1,000,000 | 9 | 147.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140a20-il | 1,000,000 | 5 | 142.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg14a147-il | 50,000 | 9 | 33.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg14a147-il | 50,000 | 5 | 34.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg14a147-il | 100,000 | 9 | 48.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg14a147-il | 100,000 | 5 | 45.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg14a147-il | 200,000 | 9 | 62.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg14a147-il | 200,000 | 5 | 56.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg14a147-il | 500,000 | 9 | 78.9 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg14a147-il | 500,000 | 5 | 67.8 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg14a147-il | 1,000,000 | 9 | 88 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg14a147-il | 1,000,000 | 5 | 76.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270s-il | 50,000 | 9 | 1.6 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270s-il | 50,000 | 5 | 2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270s-il | 100,000 | 9 | 1.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270s-il | 100,000 | 5 | 9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270s-il | 200,000 | 9 | 10.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270s-il | 200,000 | 5 | 34.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270s-il | 500,000 | 9 | 62.1 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270s-il | 500,000 | 5 | 73.4 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270s-il | 1,000,000 | 9 | 101.7 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270s-il | 1,000,000 | 5 | 106.5 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 9 | 15.1 at α=13.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 5 | 13.4 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 9 | 23.2 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 5 | 24.5 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 9 | 65.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 5 | 43.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 9 | 81.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 5 | 81 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 9 | 102.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 5 | 98.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 50,000 | 9 | 5.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 50,000 | 5 | 18.9 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 100,000 | 9 | 19.9 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 100,000 | 5 | 40.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 200,000 | 9 | 48.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 200,000 | 5 | 72 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 500,000 | 9 | 114.8 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 500,000 | 5 | 120.5 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 1,000,000 | 9 | 157.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 1,000,000 | 5 | 158.6 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w127-il | 50,000 | 9 | 25.8 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w127-il | 50,000 | 5 | 24.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w127-il | 100,000 | 9 | 53.8 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w127-il | 100,000 | 5 | 54.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w127-il | 200,000 | 9 | 80.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w127-il | 200,000 | 5 | 79.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w127-il | 500,000 | 9 | 115.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w127-il | 500,000 | 5 | 110.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w127-il | 1,000,000 | 9 | 142.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w127-il | 1,000,000 | 5 | 131.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx62k153-il | 50,000 | 9 | 26.9 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx62k153-il | 50,000 | 5 | 23 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx62k153-il | 100,000 | 9 | 45.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx62k153-il | 100,000 | 5 | 44.1 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx62k153-il | 200,000 | 9 | 77.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx62k153-il | 200,000 | 5 | 79.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx62k153-il | 500,000 | 9 | 124.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx62k153-il | 500,000 | 5 | 122.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx62k153-il | 1,000,000 | 9 | 161.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx62k153-il | 1,000,000 | 5 | 151.3 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx68h120-il | 50,000 | 9 | 28.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx68h120-il | 50,000 | 5 | 29.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx68h120-il | 100,000 | 9 | 40.2 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx68h120-il | 100,000 | 5 | 41 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx68h120-il | 200,000 | 9 | 54.5 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx68h120-il | 200,000 | 5 | 54.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx68h120-il | 500,000 | 9 | 74.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx68h120-il | 500,000 | 5 | 73.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx68h120-il | 1,000,000 | 9 | 91.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx68h120-il | 1,000,000 | 5 | 88.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 50,000 | 9 | 6.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 50,000 | 5 | 18.3 at α=1° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 9 | 33.1 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 5 | 46.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 9 | 72.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 5 | 73.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 9 | 118.8 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 5 | 115.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 9 | 156.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 5 | 149.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 50,000 | 9 | 1.4 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 50,000 | 5 | 2.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 100,000 | 9 | 1.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 100,000 | 5 | 12.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 200,000 | 9 | 15.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 200,000 | 5 | 39.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 500,000 | 9 | 76.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 500,000 | 5 | 80.5 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 1,000,000 | 9 | 103.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 1,000,000 | 5 | 94 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 50,000 | 9 | 4.5 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 50,000 | 5 | 10.3 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 100,000 | 9 | 26.6 at α=14° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 100,000 | 5 | 34.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 200,000 | 9 | 68.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 200,000 | 5 | 69.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 500,000 | 9 | 108.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 500,000 | 5 | 100.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 1,000,000 | 9 | 135.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 1,000,000 | 5 | 124 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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