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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(e850-il) EPPLER E850 AIRFOIL | Eppler E850 propeller airfoil Max thickness 8% at 36.6% chord Max camber 1.8% at 71% chord | Remove Airfoil details Airfoil plotter |
(e68-il) EPPLER 68 AIRFOIL | Eppler E68 low Reynolds number airfoil Max thickness 13.1% at 32% chord Max camber 3.3% at 50.9% chord | Remove Airfoil details Airfoil plotter |
(e71-il) E71 (5.15%) | Eppler E71 low Reynolds number airfoil Max thickness 5.2% at 25.7% chord Max camber 4.4% at 54% chord | Remove Airfoil details Airfoil plotter |
(e855-il) EPPLER 855 AIRFOIL | Eppler E855 propeller airfoil Max thickness 15.7% at 32.2% chord Max camber 3.7% at 50.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e850-il,e68-il,e71-il,e855-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e850-il | 50,000 | 9 | 23.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e850-il | 50,000 | 5 | 26.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e850-il | 100,000 | 9 | 38.3 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e850-il | 100,000 | 5 | 41.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e850-il | 200,000 | 9 | 64.8 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e850-il | 200,000 | 5 | 62.2 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e850-il | 500,000 | 9 | 97.5 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e850-il | 500,000 | 5 | 77.6 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e850-il | 1,000,000 | 9 | 105.8 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e850-il | 1,000,000 | 5 | 81.7 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 50,000 | 9 | 33.7 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 50,000 | 5 | 32.7 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 100,000 | 9 | 56.8 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 100,000 | 5 | 56.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 200,000 | 9 | 82.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 200,000 | 5 | 78.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 500,000 | 9 | 114.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 500,000 | 5 | 102.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 1,000,000 | 9 | 136.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 1,000,000 | 5 | 114.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e71-il | 50,000 | 9 | 48.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e71-il | 50,000 | 5 | 49.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e71-il | 100,000 | 9 | 75.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e71-il | 100,000 | 5 | 74 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e71-il | 200,000 | 9 | 108.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e71-il | 200,000 | 5 | 103.5 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e71-il | 500,000 | 9 | 162.3 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e71-il | 500,000 | 5 | 143.6 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e71-il | 1,000,000 | 9 | 205 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e71-il | 1,000,000 | 5 | 139 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e855-il | 50,000 | 9 | 5.7 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e855-il | 50,000 | 5 | 23 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e855-il | 100,000 | 9 | 47 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e855-il | 100,000 | 5 | 52.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e855-il | 200,000 | 9 | 76.4 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e855-il | 200,000 | 5 | 77.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e855-il | 500,000 | 9 | 112 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e855-il | 500,000 | 5 | 106.9 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e855-il | 1,000,000 | 9 | 140.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e855-il | 1,000,000 | 5 | 122.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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