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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(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 |
(pw98mod-pw) PW98-mod | Peter Wick. Modified PW51 with higher camber and therefore a higher clmax Max thickness 8.4% at 27.5% chord Max camber 1.8% at 27.5% chord | Remove Airfoil details Airfoil plotter |
(fx84w140-il) FX 84-W-140 | Wortmann FX 84-W-140 airfoil for use on wind turbines (W) Max thickness 14.1% at 37.1% chord Max camber 4.2% at 40.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (fx77w270-il,pw98mod-pw,fx84w140-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| 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 | |
| pw98mod-pw | 50,000 | 9 | 26.5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 100,000 | 9 | 45.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 200,000 | 9 | 59 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 500,000 | 9 | 71.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 1,000,000 | 9 | 81.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 2,000,000 | 9 | 90.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| pw98mod-pw | 5,000,000 | 9 | 106.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 50,000 | 9 | 5.9 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 50,000 | 5 | 17.2 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w140-il | 100,000 | 9 | 46.3 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 100,000 | 5 | 50.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w140-il | 200,000 | 9 | 79.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 200,000 | 5 | 79.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w140-il | 500,000 | 9 | 118.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 500,000 | 5 | 113.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w140-il | 1,000,000 | 9 | 147.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w140-il | 1,000,000 | 5 | 136.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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