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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(kc135a-il) KC-135 BL52.44 AIRFOIL | Boeing KC-135 transonic airfoils Max thickness 15.5% at 35% chord Max camber 1.3% at 20% chord | Remove Airfoil details Airfoil plotter |
(vr14-il) BOEING-VERTOL VR-14 AIRFOIL | Boeing-Vertol/Dadone VR-14 rotorcraft airfoil Max thickness 8% at 35% chord Max camber 1.7% at 20% chord | Remove Airfoil details Airfoil plotter |
(s2048-il) S2048 | Selig S2048 low Reynolds number airfoil Max thickness 8.6% at 35.4% chord Max camber 1.7% at 60.1% chord | Remove Airfoil details Airfoil plotter |
(s1221-flap-il) S1221 w/ 4 deg flap | Selig S1221 airfoil with 4 deg flap Max thickness 12.1% at 21.8% chord Max camber 5.3% at 52.9% chord | Remove Airfoil details Airfoil plotter |
(vr9-il) BOEING-VERTOL VR-9 AIRFOIL | Boeing-Vertol VR-9 rotorcraft airfoil Max thickness 6.1% at 35% chord Max camber 0.3% at 35% chord | Remove Airfoil details Airfoil plotter |
(ag04-il) AG04 | Drela AG04 airfoil Max thickness 6.4% at 22.5% chord Max camber 1.7% at 41.5% chord | Remove Airfoil details Airfoil plotter |
(v13009-il) BOEING VERTOL V(1.95)3009-1.25 AIRFOIL | Boeing-Vertol V(1.9)3006-1.25 rotorcraft airfoil Max thickness 9% at 30.1% chord Max camber 1.3% at 20.1% chord | Remove Airfoil details Airfoil plotter |
(hq1512-il) HQ 1.5/12 AIRFOIL | Quabeck HQ 1.5/12 R/C sailplane airfoil Max thickness 12% at 35% chord Max camber 1.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(ys915-il) YS-915 | YS915 hydrofoil (Shen / Eppler) Max thickness 9.1% at 36.1% chord Max camber 1.8% at 65.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (kc135a-il,vr14-il,s2048-il,s1221-flap-il,vr9-il,ag04-il,v13009-il,hq1512-il,ys915-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| kc135a-il | 50,000 | 9 | 24.9 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 50,000 | 5 | 27.7 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 100,000 | 9 | 47.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 100,000 | 5 | 47.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 200,000 | 9 | 68.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 200,000 | 5 | 62.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 500,000 | 9 | 88.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 500,000 | 5 | 73.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 1,000,000 | 9 | 97.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 1,000,000 | 5 | 82.5 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr14-il | 50,000 | 9 | 29.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr14-il | 50,000 | 5 | 29 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr14-il | 100,000 | 9 | 40.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr14-il | 100,000 | 5 | 40.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr14-il | 200,000 | 9 | 50.7 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr14-il | 200,000 | 5 | 54.3 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr14-il | 500,000 | 9 | 74.3 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr14-il | 500,000 | 5 | 73.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr14-il | 1,000,000 | 9 | 91.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr14-il | 1,000,000 | 5 | 87.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 9 | 37.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 5 | 37.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 9 | 55.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 5 | 52.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 9 | 75.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 5 | 67.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 9 | 100.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 5 | 78.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 9 | 110.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 5 | 88.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-flap-il | 50,000 | 9 | 31 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-flap-il | 50,000 | 5 | 39.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-flap-il | 100,000 | 9 | 48.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-flap-il | 100,000 | 5 | 56.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-flap-il | 200,000 | 9 | 69.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-flap-il | 200,000 | 5 | 76.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-flap-il | 500,000 | 9 | 104.6 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-flap-il | 500,000 | 5 | 106.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-flap-il | 1,000,000 | 9 | 133.8 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-flap-il | 1,000,000 | 5 | 129.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 50,000 | 9 | 24.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 50,000 | 5 | 23.8 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 100,000 | 9 | 31.2 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 100,000 | 5 | 27.4 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 200,000 | 9 | 34.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 200,000 | 5 | 32.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 500,000 | 9 | 39.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 500,000 | 5 | 42.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr9-il | 1,000,000 | 9 | 52.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr9-il | 1,000,000 | 5 | 55.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag04-il | 50,000 | 9 | 32 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag04-il | 50,000 | 5 | 33.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag04-il | 100,000 | 9 | 45.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag04-il | 100,000 | 5 | 45.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag04-il | 200,000 | 9 | 58.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag04-il | 200,000 | 5 | 57 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag04-il | 500,000 | 9 | 76.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag04-il | 500,000 | 5 | 72.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag04-il | 1,000,000 | 9 | 90 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag04-il | 1,000,000 | 5 | 85 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| v13009-il | 50,000 | 9 | 26.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| v13009-il | 50,000 | 5 | 28.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| v13009-il | 100,000 | 9 | 36.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| v13009-il | 100,000 | 5 | 39.7 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| v13009-il | 200,000 | 9 | 49.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| v13009-il | 200,000 | 5 | 53.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| v13009-il | 500,000 | 9 | 72.9 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| v13009-il | 500,000 | 5 | 71.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| v13009-il | 1,000,000 | 9 | 88.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| v13009-il | 1,000,000 | 5 | 86.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1512-il | 50,000 | 9 | 32.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1512-il | 50,000 | 5 | 33.6 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1512-il | 100,000 | 9 | 49.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1512-il | 100,000 | 5 | 48.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1512-il | 200,000 | 9 | 67.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1512-il | 200,000 | 5 | 60.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1512-il | 500,000 | 9 | 82.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1512-il | 500,000 | 5 | 73.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq1512-il | 1,000,000 | 9 | 93.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq1512-il | 1,000,000 | 5 | 81.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 50,000 | 9 | 20.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 50,000 | 5 | 21.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 9 | 29.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 5 | 34 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 9 | 54 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 5 | 51.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 9 | 91.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 5 | 73.7 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 9 | 109.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 5 | 79.1 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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