Gemfan 13X8E Electric Propeller - Glass Fiber Nylon
Diameter：13 inch
Pitch：8 inch
Hub Diameter：20.4 mm
Hub Thickness：11 mm
Shaft Bore：6.35 mm / 0.25 inch
Weight (per prop)：35.5 g
Total Product Weight (with packaging)：42.3 g
Adapter Rings Included：6 pcs (3 mm / 3.17 mm / 4 mm / 5 mm / 6 mm / 8 mm)
Blade Count：2
Packaging：2 CW/CCW per pack

The Gemfan 13×8E / 13×8R propeller is designed for 13-inch-class multirotor drones requiring a balance of high thrust and efficient cruise performance. With an 8‑inch pitch, it delivers strong lift capability while maintaining smooth throttle response, making it well‑suited for heavy‑lift platforms and long‑endurance applications. The lightweight glass fiber reinforced nylon construction offers durability without compromising responsiveness. A full set of adapter rings ensures compatibility with a variety of motor shaft sizes, and the E/R designation indicates clockwise (E) or counter‑clockwise (R) rotation for flexible multi‑rotor configurations.

VORTEX Series Fixed-Wing Electric Propellers

Full Model Coverage · Modern Profile · Superior Aerodynamic Performance

The VORTEX Series includes a wide array of fixed-wing electric propellers with modern styling and optimized airfoil geometry. Constructed from imported high-strength nylon and precision-balanced, each propeller ensures smooth rotation, efficient thrust, and stable flight performance.

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Patented Engineering & Refined Features

• Certified Patented Design
  Recognized by the National Intellectual Property Administration.

• Frosted Leading Edge
  Enhances high-speed efficiency and reduces airflow separation.

• Anti-Slip Hub Surface
  Ensures secure mounting and prevents slippage during operation.

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Advanced Blade Design

• CFD-Optimized Airfoil
  Maximizes thrust efficiency and energy utilization for electric UAVs.

• Ultra-Thin Tip Design
  Reduces noise, suppresses vortices, and improves flight efficiency.

• Streamlined Blades
  Minimizes drag and ensures consistent, stable flight.

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Precision Balance & Reliability

Each propeller undergoes strict dynamic balancing and factory testing for dependable performance in every flight.

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High-Durability Nylon Material

Outstanding toughness and bending resistance combined with precision molding provide long-lasting durability and safe operation under diverse conditions.

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Safety & Usage Advisory

• Select propeller size according to manufacturer guidance.

• Inspect balance and secure mounting before flight.

• Operate in safe areas; protect hands and eyes.

• Never use damaged propellers.

• Users assume all risks from improper handling; Gemfan is not liable.