Gemfan 8040-3 High-Altitude Propeller (PC/Glass Fiber Nylon)
Product Overview
The Gemfan 8040-3 High-Altitude Propeller is crafted from durable Polycarbonate (PC) or Glass Fiber Nylon, offering excellent strength-to-weight ratio and impact resistance. Engineered specifically for cinematic and heavy-lift drones, it supports X8 (coaxial) configurations. The 8×4-inch tri-blade design delivers exceptionally stable and efficient performance in challenging operational conditions such as high altitudes, thin air, and cold environments, making it an ideal propulsion solution for professional aerial filming and demanding industrial heavy-lift missions.

Key Features

• Model: 8040-3

• Blade Count: 3

• Diameter: 8.0 inch (~203.2 mm)

• Pitch: 4.0 inch

• Weight: 10.5 g (per propeller)

• Material Options: PC (Polycarbonate), Glass Fiber Nylon

• Mounting Interface: 5 mm shaft hole (M5)

• Compatible Motor Range: 2808 to 3118

• Packaging: 1 CW + 1 CCW per pack

Applications

• High-altitude and heavy-lift professional cinematography drones

• Industrial inspection and payload delivery platforms

• Drones operating in challenging environments (cold, low air density)

• X8 (coaxial) configuration builds for increased thrust redundancy

Features & Advantages

• Optimized High-Altitude Performance: The airfoil and pitch are specially tuned to maintain efficient thrust generation and stable handling in low-density air encountered at high altitudes.

• Robust Material Choices: Available in durable PC for general use or stronger Glass Fiber Nylon for enhanced stiffness, vibration damping, and durability in demanding applications.

• Heavy-Lift & X8 Configuration Ready: Generates substantial thrust for its size and is designed to be reliable in X8 setups, providing the power and redundancy needed for critical heavy-lift and professional operations.

• Stable & Predictable in Challenging Conditions: Delivers smooth, consistent power output and stable flight characteristics essential for capturing professional-grade footage and executing precise missions in adverse environments.

Company Strength
Ningbo Gemfan Technology Co., Ltd. (GEMFAN) is a professional drone propeller manufacturer integrating R&D, design, production, and global marketing.

Highlights:

• Expert Team: Specialists in composite materials, aerodynamics, and UAV propulsion systems.

• Innovative Technology: Holds nearly 100 independent design patents.

• Global Reach: Products are exported to over 60 countries worldwide.

• Market Leadership: FPV propellers account for approximately 60% of the global market share.

• Industry Recognition: The official propeller supplier for National Drone Racing Championship teams.

• Core Values: Professionalism · Quality · Innovation · Integrity · Service.