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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(fx74080-il) WORTMANN FX 74-080 | Wortmann FX 74-080 airfoil Max thickness 8.2% at 43.5% chord Max camber 4.3% at 46.7% chord | Remove Airfoil details Airfoil plotter |
(goe287-il) GOE 287 AIRFOIL | Gottingen 287 airfoil Max thickness 8.9% at 29.9% chord Max camber 4.9% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(goe478-il) GOE 478 AIRFOIL | Gottingen 478 airfoil Max thickness 13.4% at 29.6% chord Max camber 4.3% at 39.6% chord | Remove Airfoil details Airfoil plotter |
(goe481-il) GOE 481 AIRFOIL | Gottingen 481 airfoil Max thickness 13.4% at 9.6% chord Max camber 8.8% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(ah81131-il) AH 81-131 | Althaus AH 81-131 airfoil Max thickness 13.1% at 40.2% chord Max camber 2.8% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(goe403-il) GOE 403 AIRFOIL | Gottingen 403 airfoil Max thickness 6.7% at 29.9% chord Max camber 4.3% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(naca66-018-il) NACA 66-018 | NACA 66-018 airfoil Max thickness 18% at 45% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe229-il) GOE 229 (MVA H.39) AIRFOIL | Gottingen 229 (MVA H.39) airfoil Max thickness 19.3% at 29% chord Max camber 5.9% at 49.1% chord | Remove Airfoil details Airfoil plotter |
(goe423-il) GOE 423 AIRFOIL | Gottingen 423 airfoil Max thickness 16.9% at 39.7% chord Max camber 5.1% at 39.7% chord | Remove Airfoil details Airfoil plotter |
(goe407-il) GOE 407 AIRFOIL | Gottingen 407 airfoil Max thickness 9.5% at 29.9% chord Max camber 4.8% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(cp-120-050-gn) Cambered plate C=12% T=5% R=1.1 | HAWT pipe blade with coordinates based on top surface. Camber=12% Wall thickness=5% Radius=1.102 Max thickness 6.1% at 4% chord Max camber 9.9% at 47.9% chord | Remove Airfoil details Airfoil plotter |
(sa7025-il) SA7025 | Selig / Ashok Gopalarathnam SA7025 low Reynolds number airfoil Max thickness 8% at 29.2% chord Max camber 3.6% at 43.2% chord | Remove Airfoil details Airfoil plotter |
(usa49-il) USA 49 AIRFOIL | USA-49 airfoil Max thickness 7.3% at 30% chord Max camber 1.7% at 30% chord | Remove Airfoil details Airfoil plotter |
(goe177-il) GOE 177 AIRFOIL | Gottingen 177 airfoil Max thickness 7.7% at 20% chord Max camber 5% at 40% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (fx74080-il,goe287-il,goe478-il,goe481-il,ah81131-il,goe403-il,naca66-018-il,goe229-il,goe423-il,goe407-il,cp-120-050-gn,sa7025-il,usa49-il,goe177-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| fx74080-il | 50,000 | 9 | 24.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 50,000 | 5 | 27.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 100,000 | 9 | 39.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 100,000 | 5 | 58 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 200,000 | 9 | 80.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 200,000 | 5 | 87 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 500,000 | 9 | 134.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 500,000 | 5 | 131.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 1,000,000 | 9 | 173.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 1,000,000 | 5 | 164.5 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe287-il | 50,000 | 9 | 36.3 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe287-il | 50,000 | 5 | 38 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe287-il | 100,000 | 9 | 58.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe287-il | 100,000 | 5 | 59.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe287-il | 200,000 | 9 | 80 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe287-il | 200,000 | 5 | 77.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe287-il | 500,000 | 9 | 106.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe287-il | 500,000 | 5 | 94.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe287-il | 1,000,000 | 9 | 123 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe287-il | 1,000,000 | 5 | 106.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe478-il | 50,000 | 9 | 19.7 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe478-il | 50,000 | 5 | 31.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe478-il | 100,000 | 9 | 51.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe478-il | 100,000 | 5 | 53 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe478-il | 200,000 | 9 | 73.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe478-il | 200,000 | 5 | 71 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe478-il | 500,000 | 9 | 101.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe478-il | 500,000 | 5 | 95.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe478-il | 1,000,000 | 9 | 125.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe478-il | 1,000,000 | 5 | 114.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481-il | 50,000 | 9 | 7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481-il | 50,000 | 5 | 28.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481-il | 100,000 | 9 | 43 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481-il | 100,000 | 5 | 41.1 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481-il | 200,000 | 9 | 53.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481-il | 200,000 | 5 | 48.9 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481-il | 500,000 | 9 | 63.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481-il | 500,000 | 5 | 58.3 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481-il | 1,000,000 | 9 | 70.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481-il | 1,000,000 | 5 | 63.8 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81131-il | 50,000 | 9 | 23.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81131-il | 50,000 | 5 | 21.5 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81131-il | 100,000 | 9 | 37.5 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81131-il | 100,000 | 5 | 38.1 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81131-il | 200,000 | 9 | 72.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81131-il | 200,000 | 5 | 70.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81131-il | 500,000 | 9 | 110 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81131-il | 500,000 | 5 | 95.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81131-il | 1,000,000 | 9 | 126.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81131-il | 1,000,000 | 5 | 104.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe403-il | 50,000 | 9 | 42.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe403-il | 50,000 | 5 | 41.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe403-il | 100,000 | 9 | 59.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe403-il | 100,000 | 5 | 57.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe403-il | 200,000 | 9 | 75.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe403-il | 200,000 | 5 | 73 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe403-il | 500,000 | 9 | 98.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe403-il | 500,000 | 5 | 92.9 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe403-il | 1,000,000 | 9 | 116.1 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe403-il | 1,000,000 | 5 | 107.9 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca66-018-il | 50,000 | 9 | 20.9 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca66-018-il | 50,000 | 5 | 15.3 at α=11° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca66-018-il | 100,000 | 9 | 31.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca66-018-il | 100,000 | 5 | 18.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca66-018-il | 200,000 | 9 | 31 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca66-018-il | 200,000 | 5 | 34.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca66-018-il | 500,000 | 9 | 57.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca66-018-il | 500,000 | 5 | 50.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca66-018-il | 1,000,000 | 9 | 72 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca66-018-il | 1,000,000 | 5 | 57.9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe229-il | 50,000 | 9 | 10.8 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe229-il | 50,000 | 5 | 21.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe229-il | 100,000 | 9 | 45.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe229-il | 100,000 | 5 | 38.5 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe229-il | 200,000 | 9 | 53.8 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe229-il | 200,000 | 5 | 40.9 at α=-0.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe229-il | 500,000 | 9 | 54.8 at α=-0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe229-il | 500,000 | 5 | 47.1 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe229-il | 1,000,000 | 9 | 59.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe229-il | 1,000,000 | 5 | 59.2 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 50,000 | 9 | 4.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 50,000 | 5 | 14.4 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 100,000 | 9 | 22.8 at α=0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 100,000 | 5 | 40.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 200,000 | 9 | 69.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 200,000 | 5 | 70.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 500,000 | 9 | 105.9 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 500,000 | 5 | 101.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 1,000,000 | 9 | 133.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 1,000,000 | 5 | 124.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe407-il | 50,000 | 9 | 27.9 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe407-il | 50,000 | 5 | 37.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe407-il | 100,000 | 9 | 56.2 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe407-il | 100,000 | 5 | 57.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe407-il | 200,000 | 9 | 79.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe407-il | 200,000 | 5 | 75.2 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe407-il | 500,000 | 9 | 106.5 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe407-il | 500,000 | 5 | 95.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe407-il | 1,000,000 | 9 | 121.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe407-il | 1,000,000 | 5 | 114.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 50,000 | 9 | 25.2 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| cp-120-050-gn | 50,000 | 5 | 20.4 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 50,000 | 1 | 19.1 at α=6° | Mach=0 Ncrit=1 | Xfoil prediction | Details | |
| cp-120-050-gn | 100,000 | 9 | 32.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| cp-120-050-gn | 100,000 | 5 | 29.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 100,000 | 1 | 27 at α=3.75° | Mach=0 Ncrit=1 | Xfoil prediction | Details | |
| cp-120-050-gn | 200,000 | 9 | 42.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| cp-120-050-gn | 200,000 | 5 | 39.1 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 200,000 | 1 | 34.6 at α=6.5° | Mach=0 Ncrit=1 | Xfoil prediction | Details | |
| cp-120-050-gn | 500,000 | 9 | 42.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| cp-120-050-gn | 500,000 | 5 | 42.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 500,000 | 1 | 46 at α=5.75° | Mach=0 Ncrit=1 | Xfoil prediction | Details | |
| cp-120-050-gn | 1,000,000 | 9 | 43.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| cp-120-050-gn | 1,000,000 | 5 | 53.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| cp-120-050-gn | 1,000,000 | 1 | 56.4 at α=4.75° | Mach=0 Ncrit=1 | Xfoil prediction | Details | |
| sa7025-il | 50,000 | 9 | 38.1 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7025-il | 50,000 | 5 | 41.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7025-il | 100,000 | 9 | 60.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7025-il | 100,000 | 5 | 60.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7025-il | 200,000 | 9 | 83.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7025-il | 200,000 | 5 | 77.9 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7025-il | 500,000 | 9 | 111.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7025-il | 500,000 | 5 | 98.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7025-il | 1,000,000 | 9 | 129.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7025-il | 1,000,000 | 5 | 112.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 9 | 33.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 5 | 33.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 9 | 43.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 5 | 42.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 9 | 52.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 5 | 48.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 9 | 59.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 5 | 65.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 9 | 78 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 5 | 75.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 50,000 | 9 | 39.1 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 50,000 | 5 | 41.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 100,000 | 9 | 58.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 100,000 | 5 | 57.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 200,000 | 9 | 74.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 200,000 | 5 | 71.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 500,000 | 9 | 91.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 500,000 | 5 | 79.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 1,000,000 | 9 | 99.9 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 1,000,000 | 5 | 89.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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