High-Speed Drone Airframe Design

I’m developing a fixed-wing unmanned aircraft that must cruise comfortably above 200 knots with a 14 hp pusher prop engine. The finished platform will lift 30–35 kg at take-off, yet the bare airframe (clean fuselage and wings ) must not exceed 12–15 kg... (Budget: $3000 - $5000 NZD, Jobs: 3D CAD, 3D Modelling, Aerospace Engineering, AI (Artificial Intelligence) HW/SW, CAD/CAM, MATLAB, Product Design, Python, Solidworks, Structural Engineering)