Airfoil Data
GOE303

The GOE 303 (FRIEDRICHSHAFEN G03) AIRFOIL is a 10.6% chord-thickness airfoil with a maximum camber of 5.3% at 40% chord, suited to general-aviation and UAV wing design. At zero angle of attack the cambered geometry generates positive lift, giving an estimated zero-lift angle of -5.3°.

Thin airfoil theory predicts a stall angle near 11.7° and a peak lift-to-drag ratio around 65 at typical UAV and light-aircraft Reynolds numbers — useful benchmarks before running a full XFOIL or NeuralFoil polar. The 11% thickness provides structural depth for main-spar placement without excessive drag penalty at moderate speeds.

Designers evaluating the GOE303 typically compare it against profiles of similar thickness: FX 63-120 AIRFOIL, S8037 (16%), GOE 63 AIRFOIL, CURTISS CR-1 AIRFOIL, E210 (13.64%). The AH 93-K-130/15 is another reference profile frequently considered alongside it.