Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
| Open full size plan in new window | Open paginated plan in new window | |
| Download PDF file | SVG image as text file | |
| Clear all | ||
(goe08k-il) GOE 8K AIRFOIL | Gottingen 8K airfoil Max thickness 14.9% at 50% chord Max camber 6.1% at 50% 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 |
(goe515-il) GOE 515 AIRFOIL | Gottingen 515 airfoil Max thickness 8.5% at 30% chord Max camber 2.8% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe445-il) GOE 445 AIRFOIL | Gottingen 445 airfoil Max thickness 6.4% at 40% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (goe08k-il,s834-nr,goe515-il,goe445-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe08k-il | 50,000 | 9 | 18 at α=14° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe08k-il | 50,000 | 5 | 15.7 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe08k-il | 100,000 | 9 | 26.9 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe08k-il | 100,000 | 5 | 24.1 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe08k-il | 200,000 | 9 | 44.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe08k-il | 200,000 | 5 | 43.5 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe08k-il | 500,000 | 9 | 103.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe08k-il | 500,000 | 5 | 96.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe08k-il | 1,000,000 | 9 | 143.1 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe08k-il | 1,000,000 | 5 | 122 at α=3.25° | 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 | |
| goe515-il | 50,000 | 9 | 37.6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe515-il | 50,000 | 5 | 37.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe515-il | 100,000 | 9 | 56.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe515-il | 100,000 | 5 | 54.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe515-il | 200,000 | 9 | 77.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe515-il | 200,000 | 5 | 71 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe515-il | 500,000 | 9 | 103.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe515-il | 500,000 | 5 | 88 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe515-il | 1,000,000 | 9 | 119 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe515-il | 1,000,000 | 5 | 95.1 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe445-il | 50,000 | 9 | 18.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe445-il | 50,000 | 5 | 19.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe445-il | 100,000 | 9 | 24.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe445-il | 100,000 | 5 | 30.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe445-il | 200,000 | 9 | 42.4 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe445-il | 200,000 | 5 | 39 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe445-il | 500,000 | 9 | 49.1 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe445-il | 500,000 | 5 | 38 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe445-il | 1,000,000 | 9 | 46.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe445-il | 1,000,000 | 5 | 42.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||