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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(bacj-il) BOEING AIRFOIL J (no closed TE) | Boeing Commercial Airplane Company airfoil J Max thickness 10.1% at 40% chord Max camber 1.7% at 78% chord | Remove Airfoil details Airfoil plotter |
(b707d-il) BOEING 707 .54 SPAN AIRFOIL | Boeing Commercial Airplane Company model 707 airfoils Max thickness 9% at 40% chord Max camber 1.8% at 30% chord | Remove Airfoil details Airfoil plotter |
(b707e-il) BOEING 707 .99 SPAN AIRFOIL | Boeing Commercial Airplane Company model 707 airfoils Max thickness 9% at 42% chord Max camber 1.8% at 34% chord | Remove Airfoil details Airfoil plotter |
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Polars for (bacj-il,b707d-il,b707e-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| bacj-il | 50,000 | 9 | 20.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| bacj-il | 50,000 | 5 | 20.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| bacj-il | 100,000 | 9 | 27 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| bacj-il | 100,000 | 5 | 25 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| bacj-il | 200,000 | 9 | 31.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| bacj-il | 200,000 | 5 | -1 at α=-100° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| bacj-il | 500,000 | 9 | 51.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| bacj-il | 1,000,000 | 9 | 61.3 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 50,000 | 9 | 36.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 50,000 | 5 | 35.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707d-il | 100,000 | 9 | 53.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 100,000 | 5 | 47.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707d-il | 200,000 | 9 | 70.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 200,000 | 5 | 52.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707d-il | 500,000 | 9 | 80.1 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 500,000 | 5 | 62.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707d-il | 1,000,000 | 9 | 75.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707d-il | 1,000,000 | 5 | 76.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707e-il | 50,000 | 9 | 37 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707e-il | 50,000 | 5 | 35.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707e-il | 100,000 | 9 | 53.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707e-il | 100,000 | 5 | 48.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707e-il | 200,000 | 9 | 67.7 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707e-il | 200,000 | 5 | 53.6 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707e-il | 500,000 | 9 | 65.5 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707e-il | 500,000 | 5 | 64.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| b707e-il | 1,000,000 | 9 | 77.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| b707e-il | 1,000,000 | 5 | 75.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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