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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(sd7090-il) SD7090 (10%) | Selig/Donovan SD7090 low Reynolds number airfoil Max thickness 10% at 29.3% chord Max camber 1.5% at 43.6% chord | Remove Airfoil details Airfoil plotter |
(fx69pr281-il) FX 69-PR-281 | Wortmann FX 69-PR-281 airfoil Max thickness 28.1% at 22.2% chord Max camber 5.6% at 50% chord | Remove Airfoil details Airfoil plotter |
(fx69h098-il) BELL/WORTMANN FX 69-H-098 AIRFOIL | Bell/Wortmann FX 69-H-098 rotorcraft airfoil Max thickness 9.9% at 28.2% chord Max camber 1.7% at 22.5% chord | Remove Airfoil details Airfoil plotter |
(goe05k-il) GOE 5K AIRFOIL | Gottingen 5K airfoil Max thickness 3.7% at 50% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(giiil-il) GIII BL387 AIRFOIL | Grumman/Gulfstream GIII transonic airfoils Max thickness 8.5% at 35.1% chord Max camber 1.6% at 25.1% chord | Remove Airfoil details Airfoil plotter |
(giiie-il) GIII BL126 AIRFOIL | Grumman/Gulfstream GIII transonic airfoils Max thickness 8.8% at 44.9% chord Max camber 1.2% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(glennmartin3-il) Glenn Martin 3 | Glenn Martin 3 airfoil Max thickness 13.8% at 30% chord Max camber 4.6% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (sd7090-il,fx69pr281-il,fx69h098-il,goe05k-il,giiil-il,giiie-il,glennmartin3-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| sd7090-il | 50,000 | 9 | 30.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7090-il | 50,000 | 5 | 34.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7090-il | 100,000 | 9 | 47.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7090-il | 100,000 | 5 | 47.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7090-il | 200,000 | 9 | 62.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7090-il | 200,000 | 5 | 60.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7090-il | 500,000 | 9 | 83.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7090-il | 500,000 | 5 | 78.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7090-il | 1,000,000 | 9 | 99 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7090-il | 1,000,000 | 5 | 92.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69pr281-il | 50,000 | 9 | 3.4 at α=-5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69pr281-il | 50,000 | 5 | 6.4 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69pr281-il | 100,000 | 9 | 21.5 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69pr281-il | 100,000 | 5 | 26.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69pr281-il | 200,000 | 9 | 41.1 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69pr281-il | 200,000 | 5 | 35 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69pr281-il | 500,000 | 9 | 49.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69pr281-il | 500,000 | 5 | 47.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69pr281-il | 1,000,000 | 9 | 64.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69pr281-il | 1,000,000 | 5 | 61.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69h098-il | 50,000 | 9 | 27.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69h098-il | 50,000 | 5 | 31.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69h098-il | 100,000 | 9 | 43.7 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69h098-il | 100,000 | 5 | 45.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69h098-il | 200,000 | 9 | 59.7 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69h098-il | 200,000 | 5 | 59.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69h098-il | 500,000 | 9 | 81.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69h098-il | 500,000 | 5 | 79 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx69h098-il | 1,000,000 | 9 | 98.4 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx69h098-il | 1,000,000 | 5 | 93.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe05k-il | 50,000 | 9 | 20.5 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe05k-il | 50,000 | 5 | 21.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe05k-il | 100,000 | 9 | 25.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe05k-il | 100,000 | 5 | 27.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe05k-il | 200,000 | 9 | 33.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe05k-il | 200,000 | 5 | 39.8 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe05k-il | 500,000 | 9 | 71.3 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe05k-il | 500,000 | 5 | 82.4 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe05k-il | 1,000,000 | 9 | 95.1 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe05k-il | 1,000,000 | 5 | 95.1 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiil-il | 50,000 | 9 | 31.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiil-il | 50,000 | 5 | 31.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiil-il | 100,000 | 9 | 45 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiil-il | 100,000 | 5 | 42.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiil-il | 200,000 | 9 | 57.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiil-il | 200,000 | 5 | 51.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiil-il | 500,000 | 9 | 72.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiil-il | 500,000 | 5 | 67.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiil-il | 1,000,000 | 9 | 82 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiil-il | 1,000,000 | 5 | 82.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiie-il | 50,000 | 9 | 32.9 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiie-il | 50,000 | 5 | 32.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiie-il | 100,000 | 9 | 47.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiie-il | 100,000 | 5 | 44.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiie-il | 200,000 | 9 | 61.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiie-il | 200,000 | 5 | 55.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiie-il | 500,000 | 9 | 76.7 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiie-il | 500,000 | 5 | 60.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| giiie-il | 1,000,000 | 9 | 81.7 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| giiie-il | 1,000,000 | 5 | 72.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| glennmartin3-il | 50,000 | 9 | 32.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| glennmartin3-il | 50,000 | 5 | 29.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| glennmartin3-il | 100,000 | 9 | 41.6 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| glennmartin3-il | 100,000 | 5 | 38.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| glennmartin3-il | 200,000 | 9 | 54.8 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| glennmartin3-il | 200,000 | 5 | 47.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| glennmartin3-il | 500,000 | 9 | 62.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| glennmartin3-il | 500,000 | 5 | 62.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| glennmartin3-il | 1,000,000 | 9 | 78.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| glennmartin3-il | 1,000,000 | 5 | 78.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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