Watchkeeper WK450 SCALE UAV 3000mm(118") - DXF Plans

A large-scale UAV platform inspired by the renowned Elbit Hermes 450 design — engineered for RC hobbyists, UAV enthusiasts, and experimental platform developers who want something truly different at the flying field.

Designed with a strong focus on realism, structural simplicity, and practical operation, this 3-meter UAV combines laser-cut construction with modern 3D-printed scale detailing for an impressive balance of performance and appearance.

🔥 FEATURES

✔️ Complete DXF files for laser-cut plywood & balsa construction
✔️ STL files included for detailed 3D-printed scale components
✔️ Lightweight tubular fuselage for quick assembly and maintenance
✔️ Fully sheeted wings and tail surfaces for maximum rigidity and smooth aerodynamic finish
✔️ Modular airframe layout for easy transportation
✔️ Optimized for DLE 35 gasoline engine integration
✔️ Clean V-tail configuration for reduced drag and realistic UAV appearance
✔️ Designed for stable flight characteristics and long operational endurance

✈️ AERODYNAMIC DESIGN

🔹 Wing Airfoil: NACA 4415
🔹 Wing Incidence: 2°
🔹 Tail Airfoil: NACA 0010
🔹 Tail Type: V-Tail Configuration
🔹 AUW Capability: Up to 10 kg

📐 SPECIFICATIONS

📏 Wingspan: 3000 mm (118")
🪵 Construction: Laser-cut plywood & balsa
🖨️ Scale Parts: 3D-printed STL components included
⚙️ Power System: DLE 35 Gas Engine
📦 Files Included: DXF + STL digital package

Whether you're building a realistic UAV demonstrator, an FPV platform, or simply want a unique large-scale RC aircraft, the WK450 delivers an aggressive modern UAV presence combined with practical, builder-friendly engineering.

Built for serious hobbyists. Designed by UAV enthusiasts. 🔥