GEMFAN1309-3 glass fiber nylon prop

1309-3 Electric Propeller – Glass Fiber Nylon
Gemfan 1309-3 Propeller
Diameter：13 inch
Pitch：9 inch
Shaft Bore：6 mm / 0.236 inch
Color：Black
Blade Count：3
Packaging：1 CW/CCW per pack

The Gemfan 1309 Three-Blade Propeller is a large-format propeller designed for 13-inch class aerial platforms, balancing ample thrust with optimized dynamic response. Constructed from fiberglass-reinforced nylon, the blade structure is tailored for motor mounting configurations to reduce overall weight and lower rotational inertia, resulting in improved responsiveness and enhanced control feedback during flight. Featuring a 6 mm center hole, it is recommended for use with 4115 motors (approx. 600 KV) and is ideal for platforms with a takeoff weight of approximately 8.3 kg. Available in black. Packaging: 1 CW + 1 CCW per pack.

Key Features

• 13-inch large-format three-blade design optimized for heavy-lift platforms

• Fiberglass-reinforced nylon construction for strength and weight efficiency

• Reduced rotational inertia for improved responsiveness and control feedback

• 6 mm center hole for secure mounting on compatible motors

• Available in black; packaged as one clockwise and one counterclockwise propeller per set

Applications

• 13-inch class large aerial platforms

• Heavy-lift drones requiring balanced thrust and dynamic response

• Professional aerial photography and industrial inspection platforms

• Long-endurance flight systems prioritizing efficiency and control

Features & Advantages

Balanced Thrust and Responsiveness
Designed specifically for 13-inch platforms, the propeller delivers ample thrust while minimizing rotational inertia, enabling more agile handling and precise control feedback during complex flight operations.

Optimized Structural Design
The blade geometry is adapted for motor mounting configurations, contributing to overall weight reduction and improved dynamic performance compared to conventional large-format propeller designs.

Durable Fiberglass-Nylon Composite
Manufactured from fiberglass-reinforced nylon, the propeller offers excellent strength-to-weight ratio and impact resistance, ensuring reliable performance across demanding flight conditions.

Standardized Mounting
The 6 mm center hole ensures compatibility with 4115-class motors and similar power systems, allowing straightforward installation on professional-grade platforms.

Convenient Packaging
Each package includes one clockwise and one counterclockwise propeller, simplifying setup for dual-motor and multi-rotor configurations.

Company Strength

Ningbo GEMFANHOBBY Co., Ltd (GEMFAN) is a leading Chinese drone propeller manufacturer integrating R&D, design, production, and global marketing.

Highlights:

• Expert Team: Specialists in composite materials, aerodynamics, and drone engineering

• Innovative Technology: Nearly 100 patented designs with continuous breakthroughs in propeller technology

• Global Reach: Products exported to over 60 countries with ~60% share in the FPV propeller market

• Industry Recognition: Official supplier for National Drone World Championship teams

• Core Values: Professionalism, quality, innovation, integrity, and service