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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(k1-il) NYU/GRUMMAN K-1 AIRFOIL | NYU/Grumman K-1 transonic airfoil (GAC .75-.63-11.6) Max thickness 11.6% at 33% chord Max camber 1.9% at 75% chord | Remove Airfoil details Airfoil plotter |
(ht22-il) HT22 | Drela HT22 airfoil Max thickness 5.1% at 19.1% chord Max camber 1.1% at 22.7% chord | Remove Airfoil details Airfoil plotter |
(k2-il) GRUMMAN K-2 AIRFOIL | Grumman K-2 transonic airfoil (GAC .80-.53-10.3) Max thickness 10.3% at 38.9% chord Max camber 1.3% at 88.3% chord | Remove Airfoil details Airfoil plotter |
(m4-il) NACA M4 AIRFOIL | NACA/Munk M-4 airfoil Max thickness 6.3% at 30% chord Max camber 2.2% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (k1-il,ht22-il,k2-il,m4-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| k1-il | 50,000 | 9 | 30.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k1-il | 50,000 | 5 | 29.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k1-il | 100,000 | 9 | 39.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k1-il | 100,000 | 5 | 38.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k1-il | 200,000 | 9 | 53.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k1-il | 200,000 | 5 | 49.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k1-il | 500,000 | 9 | 73.9 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k1-il | 500,000 | 5 | 63.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k1-il | 1,000,000 | 9 | 80.7 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k1-il | 1,000,000 | 5 | 76.1 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht22-il | 50,000 | 9 | 25.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht22-il | 50,000 | 5 | 27.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht22-il | 100,000 | 9 | 35 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht22-il | 100,000 | 5 | 36.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht22-il | 200,000 | 9 | 46 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht22-il | 200,000 | 5 | 46.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht22-il | 500,000 | 9 | 60.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht22-il | 500,000 | 5 | 63.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht22-il | 1,000,000 | 9 | 75.5 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht22-il | 1,000,000 | 5 | 78.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k2-il | 50,000 | 9 | 21.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k2-il | 50,000 | 5 | 21.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k2-il | 100,000 | 9 | 28.9 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k2-il | 100,000 | 5 | 25.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k2-il | 200,000 | 9 | 29 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k2-il | 200,000 | 5 | 35.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k2-il | 500,000 | 9 | 44 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k2-il | 500,000 | 5 | 52.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k2-il | 1,000,000 | 9 | 60.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k2-il | 1,000,000 | 5 | 66.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m4-il | 50,000 | 9 | 33.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m4-il | 50,000 | 5 | 34 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m4-il | 100,000 | 9 | 45.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m4-il | 100,000 | 5 | 44.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m4-il | 200,000 | 9 | 57.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m4-il | 200,000 | 5 | 55.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m4-il | 500,000 | 9 | 71.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m4-il | 500,000 | 5 | 66.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m4-il | 1,000,000 | 9 | 80.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m4-il | 1,000,000 | 5 | 73.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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