Airfoil Data
FX76MP140
FX 76-MP-140
Wing Geometry Simulator
The FX 76-MP-140 is a 14.0% chord-thickness airfoil with a maximum camber of 7.0% at 40% 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 -7.0°.
Thin airfoil theory predicts a stall angle near 10.9° and a peak lift-to-drag ratio around 71 at typical UAV and light-aircraft Reynolds numbers — useful benchmarks before running a full XFOIL or NeuralFoil polar. The 14% thickness provides structural depth for main-spar placement without excessive drag penalty at moderate speeds.
Designers evaluating the FX76MP140 typically compare it against profiles of similar thickness: CHEN AIRFOIL, HAM-STD HS1-620 AIRFOIL, Eiffel 385 (S.T. Ae), Dayton-Wright 6, GOE 226 (MVA H.36) AIRFOIL. The FX 76-MP-120 is another reference profile frequently considered alongside it.
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Engineers evaluating the FX76MP140 frequently compare it against profiles with comparable geometric constraints. Below are the closest matches based on maximum thickness (14.0%) and max camber (7.0%).
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