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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(sa7035-il) SA7035 | Selig / Ashok Gopalarathnam SA7035 Max thickness 9.2% at 27.9% chord Max camber 2.4% at 41.9% chord | Remove Airfoil details Airfoil plotter |
(fx75141-il) WORTMANN FX 75-141 | Wortmann FX 75-141 airfoil Max thickness 14.1% at 37.1% chord Max camber 3.4% at 53.3% chord | Remove Airfoil details Airfoil plotter |
(daytonwrightt1-il) Dayton-Wright T-1 | Dayton-Wright T-1 airfoil Max thickness 13.4% at 30% chord Max camber 4.4% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe326-il) GOE 326 (PFALZ 55) AIRFOIL | Gottingen 326 (Pfalz 55) airfoil Max thickness 8.2% at 29.9% chord Max camber 4.7% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(goe428-il) GOE 428 AIRFOIL | Gottingen 428 airfoil Max thickness 7.9% at 30% chord Max camber 5.2% at 40% chord | Remove Airfoil details Airfoil plotter |
(s1221-il) S1221 w/o flap | Selig S1221 airfoil Max thickness 12.1% at 21.8% chord Max camber 4.9% at 49.1% chord | Remove Airfoil details Airfoil plotter |
(goe137-il) GOE 137 (MVA H.15) AIRFOIL | Gottingen 137 (MVA H.15) airfoil Max thickness 8.6% at 29.9% chord Max camber 4.4% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(goe399-il) GOE 399 AIRFOIL | Gottingen 399 airfoil Max thickness 6.9% at 29.9% chord Max camber 4.2% at 39.9% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (sa7035-il,fx75141-il,daytonwrightt1-il,goe326-il,goe428-il,s1221-il,goe137-il,goe399-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| sa7035-il | 50,000 | 9 | 33.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7035-il | 50,000 | 5 | 37.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7035-il | 100,000 | 9 | 52.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7035-il | 100,000 | 5 | 53.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7035-il | 200,000 | 9 | 71.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7035-il | 200,000 | 5 | 68 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7035-il | 500,000 | 9 | 94.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7035-il | 500,000 | 5 | 87.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sa7035-il | 1,000,000 | 9 | 111.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sa7035-il | 1,000,000 | 5 | 101.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75141-il | 50,000 | 9 | 30.3 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75141-il | 50,000 | 5 | 26.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75141-il | 100,000 | 9 | 54.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75141-il | 100,000 | 5 | 53.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75141-il | 200,000 | 9 | 83.8 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75141-il | 200,000 | 5 | 77.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75141-il | 500,000 | 9 | 111.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75141-il | 500,000 | 5 | 103.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75141-il | 1,000,000 | 9 | 134.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75141-il | 1,000,000 | 5 | 120.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| daytonwrightt1-il | 50,000 | 9 | 20.9 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| daytonwrightt1-il | 50,000 | 5 | 33.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| daytonwrightt1-il | 100,000 | 9 | 51.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| daytonwrightt1-il | 100,000 | 5 | 50.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| daytonwrightt1-il | 200,000 | 9 | 71.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| daytonwrightt1-il | 200,000 | 5 | 65.7 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| daytonwrightt1-il | 500,000 | 9 | 95.4 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| daytonwrightt1-il | 500,000 | 5 | 84.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| daytonwrightt1-il | 1,000,000 | 9 | 109.9 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| daytonwrightt1-il | 1,000,000 | 5 | 103.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe326-il | 50,000 | 9 | 32.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe326-il | 50,000 | 5 | 40 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe326-il | 100,000 | 9 | 56.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe326-il | 100,000 | 5 | 59.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe326-il | 200,000 | 9 | 77.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe326-il | 200,000 | 5 | 77.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe326-il | 500,000 | 9 | 104.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe326-il | 500,000 | 5 | 100.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe326-il | 1,000,000 | 9 | 123.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe326-il | 1,000,000 | 5 | 116.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 50,000 | 9 | 38.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 50,000 | 5 | 40.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 100,000 | 9 | 58.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 100,000 | 5 | 60.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 200,000 | 9 | 77.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 200,000 | 5 | 78.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 500,000 | 9 | 104.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 500,000 | 5 | 102.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 1,000,000 | 9 | 125 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 1,000,000 | 5 | 121.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 50,000 | 9 | 27.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 50,000 | 5 | 36.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 100,000 | 9 | 45.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 100,000 | 5 | 54.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 200,000 | 9 | 70 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 200,000 | 5 | 76.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 500,000 | 9 | 107.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 500,000 | 5 | 110 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 1,000,000 | 9 | 137.9 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 1,000,000 | 5 | 135.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe137-il | 50,000 | 9 | 35.2 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe137-il | 50,000 | 5 | 39.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe137-il | 100,000 | 9 | 56.9 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe137-il | 100,000 | 5 | 59.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe137-il | 200,000 | 9 | 78.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe137-il | 200,000 | 5 | 77.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe137-il | 500,000 | 9 | 104.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe137-il | 500,000 | 5 | 97.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe137-il | 1,000,000 | 9 | 120.7 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe137-il | 1,000,000 | 5 | 109.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe399-il | 50,000 | 9 | 40.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe399-il | 50,000 | 5 | 41.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe399-il | 100,000 | 9 | 59.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe399-il | 100,000 | 5 | 60.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe399-il | 200,000 | 9 | 79.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe399-il | 200,000 | 5 | 76.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe399-il | 500,000 | 9 | 104.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe399-il | 500,000 | 5 | 98.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe399-il | 1,000,000 | 9 | 124.1 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe399-il | 1,000,000 | 5 | 112.4 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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