SC 140 - 3D Printed RC Airplane (1400mm Wingspan / Custom FPV Cargo Plane)
## 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.
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## Technical Specifications
* **Wingspan:** 1400mm
* **Length:** 800mm
* **Motor:** Single motor setup
* **Servos:** 4x Micro servos
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## 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)
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## 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.
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* **Pre-Configured File:** A ready-to-print .3mf file is included with all the recommended settings (3-4% Cubic infill, 0.28mm layer height) already configured for your convenience.
🔄 Latest Updates:
- Update v2 (June 24, 2026):
- Rear Elevator Servo Bay: Enlarged for a better servo fit.
- Motor Mount: Changed/redesigned for a better fit.
You are prohibited from sharing, sub-licensing, selling, renting, hosting, transferring, or distributing the digital file or 3D printed versions of this object, as well as any other derivative work in either digital or physical form (including remixes).You are not allowed to use the objects in any manner that involves charging money or collecting fees without permission.
