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 |
(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 |
(ht05-il) HT05 | Drela HT05 airfoil Max thickness 4.8% at 17.1% chord Max camber 0% at 63.3% chord | Remove Airfoil details Airfoil plotter |
(ls421-il) NASA/LANGLEY LS(1)-0421 AIRFOIL | NASA/Langley LS(1)-0421 general aviation airfoil Max thickness 20.9% at 40% chord Max camber 2.4% at 65% chord | Remove Airfoil details Airfoil plotter |
(hq3014-il) HQ 3.0/14 AIRFOIL | Quabeck HQ 3.0/14 R/C sailplane airfoil Max thickness 14% at 35% chord Max camber 3% at 50% chord | Remove Airfoil details Airfoil plotter |
(hq159-il) HQ 1.5/9 AIRFOIL | Quabeck HQ 1.5/9 R/C sailplane airfoil Max thickness 9% at 35% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(joukowsk-il) 12% JOUKOWSKI AIRFOIL | 12% Joukowski airfoil Max thickness 11.8% at 25% chord Max camber 0% at 9.5% chord | Remove Airfoil details Airfoil plotter |
(joukowsk0021-jf) Joukovsky f=0% t=21% | Joukowski 21% symmetrical airfoil Max thickness 21% at 26.6% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(joukowsk0018-jf) Joukovsky f=0% t=18% | Joukowski 18% symmetrical airfoil Max thickness 18% at 27.1% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(ls421mod-il) NASA/LANGLEY LS(1)-0421MOD AIRFOIL | NASA/Langley LS(1)-0421MOD general aviation airfoil Max thickness 21% at 32.5% chord Max camber 2.3% at 30% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (k1-il,ht22-il,k2-il,m4-il,k3-il,ht05-il,ls421-il,hq3014-il,hq159-il,joukowsk-il,joukowsk0021-jf,joukowsk0018-jf,ls421mod-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 | |
| 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 | |
| ht05-il | 50,000 | 9 | 19.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht05-il | 50,000 | 5 | 19.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht05-il | 100,000 | 9 | 24.8 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht05-il | 100,000 | 5 | 26.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht05-il | 200,000 | 9 | 31.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht05-il | 200,000 | 5 | 34.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht05-il | 500,000 | 9 | 44.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht05-il | 500,000 | 5 | 49.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht05-il | 1,000,000 | 9 | 57.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht05-il | 1,000,000 | 5 | 63.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421-il | 50,000 | 9 | 23.8 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421-il | 50,000 | 5 | 18.4 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421-il | 100,000 | 9 | 33.1 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421-il | 100,000 | 5 | 30.7 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421-il | 200,000 | 9 | 52.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421-il | 200,000 | 5 | 56.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421-il | 500,000 | 9 | 89.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421-il | 500,000 | 5 | 81.5 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421-il | 1,000,000 | 9 | 111.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421-il | 1,000,000 | 5 | 91.2 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 50,000 | 9 | 30.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 50,000 | 5 | 33 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 100,000 | 9 | 54.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 100,000 | 5 | 53.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 200,000 | 9 | 77.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 200,000 | 5 | 70.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 500,000 | 9 | 99.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 500,000 | 5 | 85.4 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3014-il | 1,000,000 | 9 | 113.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3014-il | 1,000,000 | 5 | 96.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159-il | 50,000 | 9 | 35.1 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159-il | 50,000 | 5 | 35.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159-il | 100,000 | 9 | 51.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159-il | 100,000 | 5 | 49.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159-il | 200,000 | 9 | 68.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159-il | 200,000 | 5 | 61.7 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159-il | 500,000 | 9 | 88.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159-il | 500,000 | 5 | 72.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq159-il | 1,000,000 | 9 | 92.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq159-il | 1,000,000 | 5 | 79.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk-il | 50,000 | 9 | 22.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk-il | 50,000 | 5 | 26.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk-il | 100,000 | 9 | 34.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk-il | 100,000 | 5 | 37.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk-il | 200,000 | 9 | 47.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk-il | 200,000 | 5 | 48.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk-il | 500,000 | 9 | 65.9 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk-il | 500,000 | 5 | 65.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk-il | 1,000,000 | 9 | 80.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk-il | 1,000,000 | 5 | 79.4 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 50,000 | 9 | 2.5 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 50,000 | 5 | 17.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 100,000 | 9 | 29.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 100,000 | 5 | 32.4 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 200,000 | 9 | 46.2 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 200,000 | 5 | 45.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 500,000 | 9 | 66.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 500,000 | 5 | 64.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0021-jf | 1,000,000 | 9 | 84.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0021-jf | 1,000,000 | 5 | 78.9 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0018-jf | 50,000 | 9 | 14.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0018-jf | 50,000 | 5 | 23 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0018-jf | 100,000 | 9 | 34.1 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0018-jf | 100,000 | 5 | 36.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0018-jf | 200,000 | 9 | 49.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0018-jf | 200,000 | 5 | 49.8 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0018-jf | 500,000 | 9 | 70.6 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0018-jf | 500,000 | 5 | 67.2 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| joukowsk0018-jf | 1,000,000 | 9 | 86.4 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| joukowsk0018-jf | 1,000,000 | 5 | 81 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 50,000 | 9 | 7.2 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 50,000 | 5 | 18.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 100,000 | 9 | 37.2 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 100,000 | 5 | 38.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 200,000 | 9 | 51.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 200,000 | 5 | 56 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 500,000 | 9 | 80.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 500,000 | 5 | 77.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 1,000,000 | 9 | 100 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 1,000,000 | 5 | 90.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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