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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(hobie-il) HOBIE | Hobie Hawk airfoil (Hobie Hawk R/C sailplane) Max thickness 8.5% at 25% chord Max camber 4% at 45% chord | Remove Airfoil details Airfoil plotter |
(k3-il) GRUMMAN K-3 AIRFOIL | Grumman K-3 transonic airfoil (GAC .70-.83-17.5) Max thickness 17.3% at 33.1% chord Max camber 2.6% at 74.7% chord | Remove Airfoil details Airfoil plotter |
(s2046-il) S2046 | Selig S2046 low Reynolds number airfoil Max thickness 9% at 26.2% chord Max camber 2.6% at 55.1% chord | Remove Airfoil details Airfoil plotter |
(s2048-il) S2048 | Selig S2048 low Reynolds number airfoil Max thickness 8.6% at 35.4% chord Max camber 1.7% at 60.1% chord | Remove Airfoil details Airfoil plotter |
(tempest1-il) HAWKER TEMPEST 37.5% SEMISPAN AIRFOIL | Hawker Tempest 37.5% semispan airfoil (NPL?) Max thickness 14.5% at 38.3% chord Max camber 1% at 40.4% chord | Remove Airfoil details Airfoil plotter |
(tempest2-il) HAWKER TEMPEST 61% SEMISPAN AIRFOIL | Hawker Tempest 61% semispan airfoil (NPL?) Max thickness 12% at 37.3% chord Max camber 0.9% at 39.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hobie-il,k3-il,s2046-il,s2048-il,tempest1-il,tempest2-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hobie-il | 50,000 | 9 | 40.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hobie-il | 50,000 | 5 | 41.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hobie-il | 100,000 | 9 | 59.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hobie-il | 100,000 | 5 | 60.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hobie-il | 200,000 | 9 | 78.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hobie-il | 200,000 | 5 | 76.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hobie-il | 500,000 | 9 | 100.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hobie-il | 500,000 | 5 | 93 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hobie-il | 1,000,000 | 9 | 115.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hobie-il | 1,000,000 | 5 | 102.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3-il | 50,000 | 9 | 24.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3-il | 50,000 | 5 | 23 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3-il | 100,000 | 9 | 30.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3-il | 100,000 | 5 | 33.3 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3-il | 200,000 | 9 | 49.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3-il | 200,000 | 5 | 50.1 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3-il | 500,000 | 9 | 79.4 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3-il | 500,000 | 5 | 65.9 at α=0.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3-il | 1,000,000 | 9 | 94.2 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3-il | 1,000,000 | 5 | 70.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2046-il | 50,000 | 9 | 38.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2046-il | 50,000 | 5 | 40.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2046-il | 100,000 | 9 | 58 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2046-il | 100,000 | 5 | 55.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2046-il | 200,000 | 9 | 77.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2046-il | 200,000 | 5 | 70.6 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2046-il | 500,000 | 9 | 101.9 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2046-il | 500,000 | 5 | 84.8 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2046-il | 1,000,000 | 9 | 108.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2046-il | 1,000,000 | 5 | 93.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 9 | 37.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 5 | 37.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 9 | 55.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 5 | 52.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 9 | 75.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 5 | 67.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 9 | 100.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 5 | 78.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 9 | 110.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 5 | 88.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest1-il | 50,000 | 9 | 30.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest1-il | 50,000 | 5 | 30.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest1-il | 100,000 | 9 | 49.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest1-il | 100,000 | 5 | 47.7 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest1-il | 200,000 | 9 | 67 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest1-il | 200,000 | 5 | 53.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest1-il | 500,000 | 9 | 71.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest1-il | 500,000 | 5 | 62.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest1-il | 1,000,000 | 9 | 81.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest1-il | 1,000,000 | 5 | 68.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest2-il | 50,000 | 9 | 32.6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest2-il | 50,000 | 5 | 32 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest2-il | 100,000 | 9 | 49.9 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest2-il | 100,000 | 5 | 47.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest2-il | 200,000 | 9 | 65.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest2-il | 200,000 | 5 | 55 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest2-il | 500,000 | 9 | 71.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest2-il | 500,000 | 5 | 61.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tempest2-il | 1,000,000 | 9 | 79.5 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tempest2-il | 1,000,000 | 5 | 69.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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