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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(lrn1015-il) NASA LRN 1015 (NASA TM 102840) | LRN 1015 airfoil used on the Northrop Grumman RQ-4 Global Hawk airfoil Max thickness 15.2% at 40% chord Max camber 4.9% at 44% chord | Remove Airfoil details Airfoil plotter |
(fx79k144-il) WORTMANN FX 79-K-144/17 AIRFOIL | Wortmann FX 79-K-144/17 sailplane airfoil Max thickness 14.4% at 43.5% chord Max camber 2.8% at 40.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (lrn1015-il,fx79k144-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| lrn1015-il | 50,000 | 9 | 21.9 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1015-il | 50,000 | 5 | 20.2 at α=11° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1015-il | 100,000 | 9 | 39.8 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1015-il | 100,000 | 5 | 34 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1015-il | 200,000 | 9 | 70.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1015-il | 200,000 | 5 | 72.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1015-il | 500,000 | 9 | 127.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1015-il | 500,000 | 5 | 112.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1015-il | 1,000,000 | 9 | 154.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1015-il | 1,000,000 | 5 | 134.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79k144-il | 50,000 | 9 | 24.2 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79k144-il | 50,000 | 5 | 22.6 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79k144-il | 100,000 | 9 | 44.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79k144-il | 100,000 | 5 | 42.7 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79k144-il | 200,000 | 9 | 75.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79k144-il | 200,000 | 5 | 65 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79k144-il | 500,000 | 9 | 91.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79k144-il | 500,000 | 5 | 89 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79k144-il | 1,000,000 | 9 | 110.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79k144-il | 1,000,000 | 5 | 102.7 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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