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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(ui1720-il) UNIVERSITY OF ILLINOIS UI-1720 AIRFOIL | University of Illinois UI-1720 high lift airfoil Max thickness 13.8% at 19% chord Max camber 4.6% at 21.2% chord | Remove Airfoil details Airfoil plotter |
(df102-il) DF102 | David Fraser DF 102 low Reynolds number airfoil Max thickness 11% at 29.1% chord Max camber 2.4% at 43.5% 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 |
(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 |
(hq010-il) HQ 0/10 AIRFOIL | Quabeck HQ 0/10 R/C sailplane airfoil Max thickness 10% at 33.9% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (ui1720-il,df102-il,hq159-il,ls421-il,hq010-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ui1720-il | 50,000 | 9 | 10.1 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ui1720-il | 50,000 | 5 | 17.9 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ui1720-il | 100,000 | 9 | 17.5 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ui1720-il | 100,000 | 5 | 29.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ui1720-il | 200,000 | 9 | 30.2 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ui1720-il | 200,000 | 5 | 44.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ui1720-il | 500,000 | 9 | 60.1 at α=15.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ui1720-il | 500,000 | 5 | 78 at α=15° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ui1720-il | 1,000,000 | 9 | 110.6 at α=16.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ui1720-il | 1,000,000 | 5 | 117.9 at α=14.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df102-il | 50,000 | 9 | 32.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df102-il | 50,000 | 5 | 32.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df102-il | 100,000 | 9 | 49.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df102-il | 100,000 | 5 | 45.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df102-il | 200,000 | 9 | 64.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df102-il | 200,000 | 5 | 56.3 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df102-il | 500,000 | 9 | 82.1 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df102-il | 500,000 | 5 | 75.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df102-il | 1,000,000 | 9 | 93.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df102-il | 1,000,000 | 5 | 93 at α=8° | 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 | |
| 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 | |
| hq010-il | 50,000 | 9 | 28 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq010-il | 50,000 | 5 | 27.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq010-il | 100,000 | 9 | 39.7 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq010-il | 100,000 | 5 | 36 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq010-il | 200,000 | 9 | 50.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq010-il | 200,000 | 5 | 41.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq010-il | 500,000 | 9 | 54.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq010-il | 500,000 | 5 | 56.9 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq010-il | 1,000,000 | 9 | 71 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq010-il | 1,000,000 | 5 | 70.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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