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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(r140-il) R140 (original) | R140 Quickee 500 airfoil (original) Max thickness 12% at 39.3% chord Max camber 0.5% at 42.3% 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 |
(rae69ck-il) RAE6-9CK AIRFOIL | RAE6-9CK transonic airfoil Max thickness 12.1% at 37.9% chord Max camber 1.3% at 75.7% chord | Remove Airfoil details Airfoil plotter |
(us1000root-il) US1000ROOT | Great Planes R/C Ultra-Sport 1000 airfoil Max thickness 18.6% at 27.1% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (r140-il,r140sm-il,rae69ck-il,us1000root-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| r140-il | 50,000 | 9 | 27.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140-il | 50,000 | 5 | 28.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140-il | 100,000 | 9 | 43.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140-il | 100,000 | 5 | 36.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140-il | 200,000 | 9 | 48.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140-il | 200,000 | 5 | 33.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140-il | 500,000 | 9 | 47.1 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140-il | 500,000 | 5 | 37.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| r140-il | 1,000,000 | 9 | 50.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| r140-il | 1,000,000 | 5 | 71.7 at α=6.25° | 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 | |
| rae69ck-il | 50,000 | 9 | 25.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rae69ck-il | 50,000 | 5 | 27 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rae69ck-il | 100,000 | 9 | 37.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rae69ck-il | 100,000 | 5 | 37.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rae69ck-il | 200,000 | 9 | 53.6 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rae69ck-il | 200,000 | 5 | 49.1 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rae69ck-il | 500,000 | 9 | 70.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rae69ck-il | 500,000 | 5 | 57.4 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rae69ck-il | 1,000,000 | 9 | 79 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rae69ck-il | 1,000,000 | 5 | 69.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| us1000root-il | 50,000 | 9 | 19 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| us1000root-il | 50,000 | 5 | 24.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| us1000root-il | 100,000 | 9 | 38.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| us1000root-il | 100,000 | 5 | 38.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| us1000root-il | 200,000 | 9 | 49.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| us1000root-il | 200,000 | 5 | 44.3 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| us1000root-il | 500,000 | 9 | 49.8 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| us1000root-il | 500,000 | 5 | 43.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| us1000root-il | 1,000,000 | 9 | 52.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| us1000root-il | 1,000,000 | 5 | 45.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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