Gemfan 1811-3 Micro Drone Propeller

Product Overview

The Gemfan 1811-3 is a high-performance 3-blade propeller designed for 45mm micro drones. Made from durable PC material, it features a 45mm diameter with a 1.8-inch pitch and weighs only 0.32g, making it ultra-lightweight. Its optimized tri-blade design reduces rotational inertia and is precision balanced for smooth and efficient power delivery.
Available in Neon Green, Clear Gray, and Clear Black, it is recommended for use with 1102 motors, supporting a maximum takeoff weight of 100g.

Key Features

• Ultra-lightweight tri-blade design for agile and responsive flight

• Reduced rotational inertia for faster acceleration and smoother control

• Precision balanced for stable and consistent power delivery

• Multiple color options for visual identification and personalization

• Optimized blade geometry for improved efficiency in micro drones

Applications

• Micro drone series

• Indoor flying and FPV racing

• Drone training and micro drone competitions

• Freestyle and performance micro drone flights

Features & Advantages

Ultra-Light Design

At just 0.32g per prop, it is 25% lighter than the previous generation, enabling highly responsive flight.

Reduced Rotational Inertia

Tri-blade configuration allows faster startup, precise maneuvering, and smooth power delivery.

Durable Material

Made from high-strength PC, resistant to impact and wear, ensuring long-lasting performance.

Precision Balanced

Optimized hub and blade balance reduce vibration for stable micro drone flight.

Easy Installation

Plug-and-play design; no additional tools required.

Specifications

• Type: Gemfan 1811-3

• Material: PC

• Color: Neon Green / Clear Gray / Clear Black

• Prop Diameter: 45 mm

• Pitch: 1.8 inch

• Center Thickness: 4.4 mm

• Center Hole Inner Diameter: 1 mm / 1.2 mm / 1.5 mm

• Max Prop Width: 8.7 mm

• Weight (per prop): 0.32 g

• Recommended Motor: 1102

• Maximum Takeoff Weight: 100 g

Company Strength

Ningbo GEMFANHOBBY Co., Ltd (GEMFAN) is a leading Chinese drone propeller manufacturer integrating R&D, design, production, and marketing. With a team of specialists in composite materials, drone control, and aerodynamics, Gemfan owns nearly 100 design patents and exports to 60+ countries.
Trusted by professional pilots and official National Drone World Championship teams, Gemfan holds a ~60% FPV propeller market share. The company emphasizes professionalism, quality, innovation, integrity, and service.