Airfoil Data
FX05191
WORTMANN FX 05-191 AIRFOIL
Wing Geometry Simulator
The WORTMANN FX 05-191 AIRFOIL is a 12.1% chord-thickness airfoil with a maximum camber of 6.0% at 43% chord, suited to high-lift UAV wings, RC sailplanes, and low-Reynolds-number slow-flyers. At zero angle of attack the cambered geometry generates positive lift, giving an estimated zero-lift angle of -6.0°.
Thin airfoil theory predicts a stall angle near 11.6° and a peak lift-to-drag ratio around 69 at typical UAV and light-aircraft Reynolds numbers — useful benchmarks before running a full XFOIL or NeuralFoil polar. The 12% thickness provides structural depth for main-spar placement without excessive drag penalty at moderate speeds.
The FX05191 appears in the wing design of at least 2 documented aircraft, including designs from ITA and Parker. Its proven track record across conventional and rotorcraft designs makes it one of the more field-validated profiles in the UIUC database.
Designers evaluating the FX05191 typically compare it against profiles of similar thickness: S1210 12%, EPPLER 399 AIRFOIL, GOE 621 AIRFOIL, GOE 612 AIRFOIL, NACA 63(3)-618. The GOE 464 AIRFOIL is another reference profile frequently considered alongside it.
Aircraft Using the FX05191 Airfoil
ITA IPD/PAR-6505 Urupema | ITA | Wortmann FX 05-191 (17%) | Wortmann FX 05-191 (12%) |
Parker RP-9 T-Bird | Parker | Wortmann FX 05-191 | Constant |
Wing lofting: 1 of these aircraft taper from FX05191 at the root to a different tip section. Use the Tapered filter to isolate them, then click any tip airfoil link to compare geometries.
Related Airfoils
Engineers evaluating the FX05191 frequently compare it against profiles with comparable geometric constraints. Below are the closest matches based on maximum thickness (12.1%) and max camber (6.0%).