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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(hq108-il) HQ 1.0/8 AIRFOIL | Quabeck HQ 1.0/8 R/C sailplane airfoil Max thickness 8% at 35% chord Max camber 1% at 50% chord | Remove Airfoil details Airfoil plotter |
(r140sm-il) R140 12.04% (smoothed) | R140 Quickee 500 airfoil (smoothed) Max thickness 12% at 39.3% chord Max camber 0.4% at 39.3% chord | Remove Airfoil details Airfoil plotter |
(tsagi8-il) TSAGI 8% AIRFOIL | TSAGI 8% airfoil Max thickness 8% at 30% chord Max camber 1.3% at 30% chord | Remove Airfoil details Airfoil plotter |
(e180-il) E180 (8.59%) | Eppler E180 low Reynolds number airfoil Max thickness 8.6% at 33.5% chord Max camber 2% at 38.1% chord | Remove Airfoil details Airfoil plotter |
(hq1585-il) HQ 1.5/8.5 AIRFOIL | Quabeck HQ 1.5/8.5 R/C sailplane airfoil Max thickness 8.6% at 35% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hq108-il,r140sm-il,tsagi8-il,e180-il,hq1585-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hq108-il | 50,000 | 9 | 33.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 50,000 | 5 | 33.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 100,000 | 9 | 48 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 100,000 | 5 | 44.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 200,000 | 9 | 62.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 200,000 | 5 | 54.6 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 500,000 | 9 | 78.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 500,000 | 5 | 63.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 1,000,000 | 9 | 85 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 1,000,000 | 5 | 72.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140sm-il | 50,000 | 9 | 22.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140sm-il | 50,000 | 5 | 29.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140sm-il | 100,000 | 9 | 43 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140sm-il | 100,000 | 5 | 41.4 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140sm-il | 200,000 | 9 | 53.5 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140sm-il | 200,000 | 5 | 46.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140sm-il | 500,000 | 9 | 62 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140sm-il | 500,000 | 5 | 53.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140sm-il | 1,000,000 | 9 | 71.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140sm-il | 1,000,000 | 5 | 59.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tsagi8-il | 50,000 | 9 | 32.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tsagi8-il | 50,000 | 5 | 32.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tsagi8-il | 100,000 | 9 | 45.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tsagi8-il | 100,000 | 5 | 44.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tsagi8-il | 200,000 | 9 | 57.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tsagi8-il | 200,000 | 5 | 55.4 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tsagi8-il | 500,000 | 9 | 72.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tsagi8-il | 500,000 | 5 | 65.1 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| tsagi8-il | 1,000,000 | 9 | 76.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| tsagi8-il | 1,000,000 | 5 | 69.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e180-il | 50,000 | 9 | 35.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e180-il | 50,000 | 5 | 36.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e180-il | 100,000 | 9 | 52.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e180-il | 100,000 | 5 | 51.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e180-il | 200,000 | 9 | 71 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e180-il | 200,000 | 5 | 66 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e180-il | 500,000 | 9 | 93.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e180-il | 500,000 | 5 | 82.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e180-il | 1,000,000 | 9 | 109.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e180-il | 1,000,000 | 5 | 91.7 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1585-il | 50,000 | 9 | 35.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1585-il | 50,000 | 5 | 35.6 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1585-il | 100,000 | 9 | 51.4 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1585-il | 100,000 | 5 | 48.4 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1585-il | 200,000 | 9 | 67.2 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1585-il | 200,000 | 5 | 58.3 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1585-il | 500,000 | 9 | 84.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1585-il | 500,000 | 5 | 67.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1585-il | 1,000,000 | 9 | 85.3 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1585-il | 1,000,000 | 5 | 80.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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