SC 140 - 3D Printed RC Airplane (1400mm Wingspan / Custom FPV Cargo Plane)

3D model description
Overview
The SC 140 is an upgraded, fully custom-engineered, 3D-printable RC airplane featuring an extended 1400mm wingspan. Designed for long-range flight, FPV setups, and stable aerodynamic performance, this aircraft combines a modular construction with optimized internal space for heavy electronics and payloads.

Whether you are looking for a highly efficient FPV platform, a stable trainer, or a functional cargo and utility RC model, the SC 140 delivers excellent gliding performance, high lift, and a rewarding assembly experience.

Technical Specifications
Wingspan: 1400mm

Length: 800mm

Motor: Single motor setup

Servos: 4x Micro servos

Hardware & Reinforcement Rods
Below is the required hardware list for reinforcement and assembly. You can use standard carbon fiber rods, or alternative budget-friendly items as specified:

Main Wing Rod: 6mm x 1000mm (1x)

Secondary Wing Rod: 6mm x 300mm (1x) - Carbon Rod (or BBQ skewer stick)

Elevator Trim Rod: 3mm x 160mm (2x) - Carbon Rod (or BBQ skewer stick)

Aileron Trim Rod: 3mm x 300mm (2x) - Carbon Rod (or BBQ skewer stick)

Main Connections: 3mm x 30mm (4x) - Carbon Rod (or BBQ skewer stick)

Alignment Connections: 2mm x 20mm (16x) - 3D Printing Filament (or toothpick)

Features & Design Specs
Modular Fuselage: Divided into functional interlocking sections (Front Fuselage, Rear Fuselage, Mid Wings) designed to fit standard 3D printer build plates.

Removable Canopies: Features quick-access Front and Rear Canopy hatches with secure locking tabs for rapid battery swaps and effortless electronics maintenance.

Aerodynamic Efficiency: Precision wing profiles with integrated control surfaces (Ailerons, Elevator, and Rudder) and built-in trim tabs for stable tracking.

Generous Electronics Bay: Ample internal volume tailored to accommodate advanced flight controllers, GPS modules, high-power digital FPV air units, and large LiPo/Li-Ion battery configurations.